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This commit is contained in:
Glenn L McGrath 2002-08-22 18:41:20 +00:00
parent 7c58e9be69
commit 9fef17dec3
7 changed files with 4216 additions and 4216 deletions
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127
archival/libunarchive/decompress_unzip.c
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@ -69,7 +69,7 @@ static char *license_msg[] = {
#include "libbb.h" #include "libbb.h"
#ifdef CONFIG_FEATURE_UNCOMPRESS #ifdef CONFIG_FEATURE_UNCOMPRESS
int uncompress ( FILE *in, FILE *out ); int uncompress(FILE * in, FILE * out);
#endif #endif
static FILE *in_file, *out_file; static FILE *in_file, *out_file;
@ -115,7 +115,7 @@ static const unsigned short mask_bits[] = {
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
}; };
//static int error_number = 0; /* static int error_number = 0; */
/* ======================================================================== /* ========================================================================
* Signal and error handler. * Signal and error handler.
*/ */
@ -145,9 +145,11 @@ static void make_crc_table(void)
* zero was stolen from Haruhiko Okumura's ar002 * zero was stolen from Haruhiko Okumura's ar002
*/ */
for (k = 8; k; k--) { for (k = 8; k; k--) {
table_entry = table_entry & 1 ? (table_entry >> 1) ^ poly : table_entry >> 1; table_entry =
table_entry & 1 ? (table_entry >> 1) ^ poly : table_entry >>
1;
} }
crc_table[i]=table_entry; crc_table[i] = table_entry;
} }
} }
@ -179,7 +181,7 @@ static void flush_window(void)
* each table. * each table.
* t: table to free * t: table to free
*/ */
static int huft_free(huft_t *t) static int huft_free(huft_t * t)
{ {
huft_t *p, *q; huft_t *p, *q;
@ -209,8 +211,9 @@ typedef unsigned char extra_bits_t;
* t: result: starting table * t: result: starting table
* m: maximum lookup bits, returns actual * m: maximum lookup bits, returns actual
*/ */
static int huft_build(unsigned int *b, const unsigned int n, const unsigned int s, static int huft_build(unsigned int *b, const unsigned int n,
const unsigned short *d, const extra_bits_t *e, huft_t **t, int *m) const unsigned int s, const unsigned short *d,
const extra_bits_t * e, huft_t ** t, int *m)
{ {
unsigned a; /* counter for codes of length k */ unsigned a; /* counter for codes of length k */
unsigned c[BMAX + 1]; /* bit length count table */ unsigned c[BMAX + 1]; /* bit length count table */
@ -233,7 +236,7 @@ static int huft_build(unsigned int *b, const unsigned int n, const unsigned int
unsigned z; /* number of entries in current table */ unsigned z; /* number of entries in current table */
/* Generate counts for each bit length */ /* Generate counts for each bit length */
memset ((void *)(c), 0, sizeof(c)); memset((void *) (c), 0, sizeof(c));
p = b; p = b;
i = n; i = n;
do { do {
@ -378,7 +381,7 @@ static int huft_build(unsigned int *b, const unsigned int n, const unsigned int
* tl, td: literal/length and distance decoder tables * tl, td: literal/length and distance decoder tables
* bl, bd: number of bits decoded by tl[] and td[] * bl, bd: number of bits decoded by tl[] and td[]
*/ */
static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd) static int inflate_codes(huft_t * tl, huft_t * td, int bl, int bd)
{ {
register unsigned long e; /* table entry flag/number of extra bits */ register unsigned long e; /* table entry flag/number of extra bits */
unsigned long n, d; /* length and index for copy */ unsigned long n, d; /* length and index for copy */
@ -398,7 +401,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
md = mask_bits[bd]; md = mask_bits[bd];
for (;;) { /* do until end of block */ for (;;) { /* do until end of block */
while (k < (unsigned) bl) { while (k < (unsigned) bl) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
if ((e = (t = tl + ((unsigned) b & ml))->e) > 16) if ((e = (t = tl + ((unsigned) b & ml))->e) > 16)
@ -410,17 +413,17 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
k -= t->b; k -= t->b;
e -= 16; e -= 16;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); } while ((e =
(t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
b >>= t->b; b >>= t->b;
k -= t->b; k -= t->b;
if (e == 16) { /* then it's a literal */ if (e == 16) { /* then it's a literal */
window[w++] = (unsigned char) t->v.n; window[w++] = (unsigned char) t->v.n;
if (w == WSIZE) { if (w == WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
} else { /* it's an EOB or a length */ } else { /* it's an EOB or a length */
@ -432,7 +435,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* get length of block to copy */ /* get length of block to copy */
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
n = t->v.n + ((unsigned) b & mask_bits[e]); n = t->v.n + ((unsigned) b & mask_bits[e]);
@ -441,7 +444,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* decode distance of block to copy */ /* decode distance of block to copy */
while (k < (unsigned) bd) { while (k < (unsigned) bd) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
@ -453,14 +456,16 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
k -= t->b; k -= t->b;
e -= 16; e -= 16;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); } while ((e =
(t =
t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
b >>= t->b; b >>= t->b;
k -= t->b; k -= t->b;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
d = w - t->v.n - ((unsigned) b & mask_bits[e]); d = w - t->v.n - ((unsigned) b & mask_bits[e]);
@ -469,7 +474,9 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* do the copy */ /* do the copy */
do { do {
n -= (e = (e = WSIZE - ((d &= WSIZE - 1) > w ? d : w)) > n ? n : e); n -= (e =
(e =
WSIZE - ((d &= WSIZE - 1) > w ? d : w)) > n ? n : e);
#if !defined(NOMEMCPY) && !defined(DEBUG) #if !defined(NOMEMCPY) && !defined(DEBUG)
if (w - d >= e) { /* (this test assumes unsigned comparison) */ if (w - d >= e) { /* (this test assumes unsigned comparison) */
memcpy(window + w, window + d, e); memcpy(window + w, window + d, e);
@ -481,8 +488,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
window[w++] = window[d++]; window[w++] = window[d++];
} while (--e); } while (--e);
if (w == WSIZE) { if (w == WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
} while (n); } while (n);
@ -502,6 +508,7 @@ static const unsigned short cplens[] = { /* Copy lengths for literal codes 2
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
}; };
/* note: see note #13 above about the 258 in this list. */ /* note: see note #13 above about the 258 in this list. */
static const extra_bits_t cplext[] = { /* Extra bits for literal codes 257..285 */ static const extra_bits_t cplext[] = { /* Extra bits for literal codes 257..285 */
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
@ -517,6 +524,7 @@ static const extra_bits_t cpdext[] = { /* Extra bits for distance codes */
7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
12, 12, 13, 13 12, 12, 13, 13
}; };
/* Tables for deflate from PKZIP's appnote.txt. */ /* Tables for deflate from PKZIP's appnote.txt. */
static const extra_bits_t border[] = { /* Order of the bit length code lengths */ static const extra_bits_t border[] = { /* Order of the bit length code lengths */
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
@ -540,7 +548,7 @@ static int inflate_block(int *e)
/* read in last block bit */ /* read in last block bit */
while (k < 1) { while (k < 1) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
*e = (int) b & 1; *e = (int) b & 1;
@ -549,7 +557,7 @@ static int inflate_block(int *e)
/* read in block type */ /* read in block type */
while (k < 2) { while (k < 2) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
t = (unsigned) b & 3; t = (unsigned) b & 3;
@ -581,14 +589,14 @@ static int inflate_block(int *e)
/* get the length and its complement */ /* get the length and its complement */
while (k_stored < 16) { while (k_stored < 16) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
n = ((unsigned) b_stored & 0xffff); n = ((unsigned) b_stored & 0xffff);
b_stored >>= 16; b_stored >>= 16;
k_stored -= 16; k_stored -= 16;
while (k_stored < 16) { while (k_stored < 16) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
if (n != (unsigned) ((~b_stored) & 0xffff)) { if (n != (unsigned) ((~b_stored) & 0xffff)) {
@ -600,13 +608,12 @@ static int inflate_block(int *e)
/* read and output the compressed data */ /* read and output the compressed data */
while (n--) { while (n--) {
while (k_stored < 8) { while (k_stored < 8) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
window[w++] = (unsigned char) b_stored; window[w++] = (unsigned char) b_stored;
if (w == (unsigned long)WSIZE) { if (w == (unsigned long) WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
b_stored >>= 8; b_stored >>= 8;
@ -697,21 +704,21 @@ static int inflate_block(int *e)
/* read in table lengths */ /* read in table lengths */
while (k_dynamic < 5) { while (k_dynamic < 5) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nl = 257 + ((unsigned) b_dynamic & 0x1f); /* number of literal/length codes */ nl = 257 + ((unsigned) b_dynamic & 0x1f); /* number of literal/length codes */
b_dynamic >>= 5; b_dynamic >>= 5;
k_dynamic -= 5; k_dynamic -= 5;
while (k_dynamic < 5) { while (k_dynamic < 5) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nd = 1 + ((unsigned) b_dynamic & 0x1f); /* number of distance codes */ nd = 1 + ((unsigned) b_dynamic & 0x1f); /* number of distance codes */
b_dynamic >>= 5; b_dynamic >>= 5;
k_dynamic -= 5; k_dynamic -= 5;
while (k_dynamic < 4) { while (k_dynamic < 4) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nb = 4 + ((unsigned) b_dynamic & 0xf); /* number of bit length codes */ nb = 4 + ((unsigned) b_dynamic & 0xf); /* number of bit length codes */
@ -724,7 +731,7 @@ static int inflate_block(int *e)
/* read in bit-length-code lengths */ /* read in bit-length-code lengths */
for (j = 0; j < nb; j++) { for (j = 0; j < nb; j++) {
while (k_dynamic < 3) { while (k_dynamic < 3) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
ll[border[j]] = (unsigned) b_dynamic & 7; ll[border[j]] = (unsigned) b_dynamic & 7;
@ -750,7 +757,7 @@ static int inflate_block(int *e)
i = l = 0; i = l = 0;
while ((unsigned) i < n) { while ((unsigned) i < n) {
while (k_dynamic < (unsigned) bl) { while (k_dynamic < (unsigned) bl) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = (td = tl + ((unsigned) b_dynamic & m))->b; j = (td = tl + ((unsigned) b_dynamic & m))->b;
@ -759,10 +766,10 @@ static int inflate_block(int *e)
j = td->v.n; j = td->v.n;
if (j < 16) { /* length of code in bits (0..15) */ if (j < 16) { /* length of code in bits (0..15) */
ll[i++] = l = j; /* save last length in l */ ll[i++] = l = j; /* save last length in l */
} } else if (j == 16) { /* repeat last length 3 to 6 times */
else if (j == 16) { /* repeat last length 3 to 6 times */
while (k_dynamic < 2) { while (k_dynamic < 2) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 3 + ((unsigned) b_dynamic & 3); j = 3 + ((unsigned) b_dynamic & 3);
@ -776,7 +783,8 @@ static int inflate_block(int *e)
} }
} else if (j == 17) { /* 3 to 10 zero length codes */ } else if (j == 17) { /* 3 to 10 zero length codes */
while (k_dynamic < 3) { while (k_dynamic < 3) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 3 + ((unsigned) b_dynamic & 7); j = 3 + ((unsigned) b_dynamic & 7);
@ -791,7 +799,8 @@ static int inflate_block(int *e)
l = 0; l = 0;
} else { /* j == 18: 11 to 138 zero length codes */ } else { /* j == 18: 11 to 138 zero length codes */
while (k_dynamic < 7) { while (k_dynamic < 7) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 11 + ((unsigned) b_dynamic & 0x7f); j = 11 + ((unsigned) b_dynamic & 0x7f);
@ -853,7 +862,7 @@ static int inflate_block(int *e)
* *
* GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr * GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr
*/ */
extern int inflate(FILE *in, FILE *out) extern int inflate(FILE * in, FILE * out)
{ {
int e; /* last block flag */ int e; /* last block flag */
int r; /* result code */ int r; /* result code */
@ -868,7 +877,7 @@ extern int inflate(FILE *in, FILE *out)
out_file = out; out_file = out;
/* Allocate all global buffers (for DYN_ALLOC option) */ /* Allocate all global buffers (for DYN_ALLOC option) */
window = xmalloc((size_t)(((2L*WSIZE)+1L)*sizeof(unsigned char))); window = xmalloc((size_t) (((2L * WSIZE) + 1L) * sizeof(unsigned char)));
bytes_out = 0L; bytes_out = 0L;
/* Create the crc table */ /* Create the crc table */
@ -910,40 +919,35 @@ extern int inflate(FILE *in, FILE *out)
* The magic header has already been checked. The output buffer is cleared. * The magic header has already been checked. The output buffer is cleared.
* in, out: input and output file descriptors * in, out: input and output file descriptors
*/ */
extern int unzip(FILE *l_in_file, FILE *l_out_file) extern int unzip(FILE * l_in_file, FILE * l_out_file)
{ {
unsigned char buf[8]; /* extended local header */ unsigned char buf[8]; /* extended local header */
unsigned char flags; /* compression flags */ unsigned char flags; /* compression flags */
typedef void (*sig_type) (int); typedef void (*sig_type) (int);
unsigned short i; unsigned short i;
unsigned char magic [2]; unsigned char magic[2];
if (signal(SIGINT, SIG_IGN) != SIG_IGN) { if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
(void) signal(SIGINT, (sig_type) abort_gzip); (void) signal(SIGINT, (sig_type) abort_gzip);
} }
#ifdef SIGTERM
// if (signal(SIGTERM, SIG_IGN) != SIG_IGN) {
// (void) signal(SIGTERM, (sig_type) abort_gzip);
// }
#endif
#ifdef SIGHUP #ifdef SIGHUP
if (signal(SIGHUP, SIG_IGN) != SIG_IGN) { if (signal(SIGHUP, SIG_IGN) != SIG_IGN) {
(void) signal(SIGHUP, (sig_type) abort_gzip); (void) signal(SIGHUP, (sig_type) abort_gzip);
} }
#endif #endif
magic [0] = fgetc(l_in_file); magic[0] = fgetc(l_in_file);
magic [1] = fgetc(l_in_file); magic[1] = fgetc(l_in_file);
#ifdef CONFIG_FEATURE_UNCOMPRESS #ifdef CONFIG_FEATURE_UNCOMPRESS
/* Magic header for compress files, 1F 9d = \037\235 */ /* Magic header for compress files, 1F 9d = \037\235 */
if (( magic [0] == 0x1F ) && ( magic [1] == 0x9d)) { if ((magic[0] == 0x1F) && (magic[1] == 0x9d)) {
return uncompress ( l_in_file, l_out_file ); return uncompress(l_in_file, l_out_file);
} }
#endif #endif
/* Magic header for gzip files, 1F 8B = \037\213 */ /* Magic header for gzip files, 1F 8B = \037\213 */
if (( magic [0] != 0x1F ) || ( magic [1] != 0x8b)) { if ((magic[0] != 0x1F) || (magic[1] != 0x8b)) {
error_msg("Invalid gzip magic"); error_msg("Invalid gzip magic");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
@ -951,7 +955,7 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
/* Check the compression method */ /* Check the compression method */
if (fgetc(l_in_file) != 8) { if (fgetc(l_in_file) != 8) {
error_msg("Unknown compression method"); error_msg("Unknown compression method");
return(-1); return (-1);
} }
flags = (unsigned char) fgetc(l_in_file); flags = (unsigned char) fgetc(l_in_file);
@ -963,7 +967,8 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
if (flags & 0x04) { if (flags & 0x04) {
/* bit 2 set: extra field present */ /* bit 2 set: extra field present */
const unsigned short extra = fgetc(l_in_file) + (fgetc(l_in_file) << 8); const unsigned short extra =
fgetc(l_in_file) + (fgetc(l_in_file) << 8);
for (i = 0; i < extra; i++) { for (i = 0; i < extra; i++) {
fgetc(l_in_file); fgetc(l_in_file);
@ -994,11 +999,14 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
fread(buf, 1, 8, l_in_file); fread(buf, 1, 8, l_in_file);
/* Validate decompression - crc */ /* Validate decompression - crc */
if ((unsigned int)((buf[0] | (buf[1] << 8)) |((buf[2] | (buf[3] << 8)) << 16)) != (crc ^ 0xffffffffL)) { if ((unsigned int) ((buf[0] | (buf[1] << 8)) |
((buf[2] | (buf[3] << 8)) << 16)) !=
(crc ^ 0xffffffffL)) {
error_msg("invalid compressed data--crc error"); error_msg("invalid compressed data--crc error");
} }
/* Validate decompression - size */ /* Validate decompression - size */
if (((buf[4] | (buf[5] << 8)) |((buf[6] | (buf[7] << 8)) << 16)) != (unsigned long) bytes_out) { if (((buf[4] | (buf[5] << 8)) | ((buf[6] | (buf[7] << 8)) << 16)) !=
(unsigned long) bytes_out) {
error_msg("invalid compressed data--length error"); error_msg("invalid compressed data--length error");
} }
@ -1011,7 +1019,8 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
extern void gz_close(int gunzip_pid) extern void gz_close(int gunzip_pid)
{ {
if (kill(gunzip_pid, SIGTERM) == -1) { if (kill(gunzip_pid, SIGTERM) == -1) {
error_msg_and_die("*** Couldnt kill old gunzip process *** aborting"); error_msg_and_die
("*** Couldnt kill old gunzip process *** aborting");
} }
if (waitpid(gunzip_pid, NULL, 0) == -1) { if (waitpid(gunzip_pid, NULL, 0) == -1) {

127
archival/libunarchive/unzip.c
View File

@ -69,7 +69,7 @@ static char *license_msg[] = {
#include "libbb.h" #include "libbb.h"
#ifdef CONFIG_FEATURE_UNCOMPRESS #ifdef CONFIG_FEATURE_UNCOMPRESS
int uncompress ( FILE *in, FILE *out ); int uncompress(FILE * in, FILE * out);
#endif #endif
static FILE *in_file, *out_file; static FILE *in_file, *out_file;
@ -115,7 +115,7 @@ static const unsigned short mask_bits[] = {
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
}; };
//static int error_number = 0; /* static int error_number = 0; */
/* ======================================================================== /* ========================================================================
* Signal and error handler. * Signal and error handler.
*/ */
@ -145,9 +145,11 @@ static void make_crc_table(void)
* zero was stolen from Haruhiko Okumura's ar002 * zero was stolen from Haruhiko Okumura's ar002
*/ */
for (k = 8; k; k--) { for (k = 8; k; k--) {
table_entry = table_entry & 1 ? (table_entry >> 1) ^ poly : table_entry >> 1; table_entry =
table_entry & 1 ? (table_entry >> 1) ^ poly : table_entry >>
1;
} }
crc_table[i]=table_entry; crc_table[i] = table_entry;
} }
} }
@ -179,7 +181,7 @@ static void flush_window(void)
* each table. * each table.
* t: table to free * t: table to free
*/ */
static int huft_free(huft_t *t) static int huft_free(huft_t * t)
{ {
huft_t *p, *q; huft_t *p, *q;
@ -209,8 +211,9 @@ typedef unsigned char extra_bits_t;
* t: result: starting table * t: result: starting table
* m: maximum lookup bits, returns actual * m: maximum lookup bits, returns actual
*/ */
static int huft_build(unsigned int *b, const unsigned int n, const unsigned int s, static int huft_build(unsigned int *b, const unsigned int n,
const unsigned short *d, const extra_bits_t *e, huft_t **t, int *m) const unsigned int s, const unsigned short *d,
const extra_bits_t * e, huft_t ** t, int *m)
{ {
unsigned a; /* counter for codes of length k */ unsigned a; /* counter for codes of length k */
unsigned c[BMAX + 1]; /* bit length count table */ unsigned c[BMAX + 1]; /* bit length count table */
@ -233,7 +236,7 @@ static int huft_build(unsigned int *b, const unsigned int n, const unsigned int
unsigned z; /* number of entries in current table */ unsigned z; /* number of entries in current table */
/* Generate counts for each bit length */ /* Generate counts for each bit length */
memset ((void *)(c), 0, sizeof(c)); memset((void *) (c), 0, sizeof(c));
p = b; p = b;
i = n; i = n;
do { do {
@ -378,7 +381,7 @@ static int huft_build(unsigned int *b, const unsigned int n, const unsigned int
* tl, td: literal/length and distance decoder tables * tl, td: literal/length and distance decoder tables
* bl, bd: number of bits decoded by tl[] and td[] * bl, bd: number of bits decoded by tl[] and td[]
*/ */
static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd) static int inflate_codes(huft_t * tl, huft_t * td, int bl, int bd)
{ {
register unsigned long e; /* table entry flag/number of extra bits */ register unsigned long e; /* table entry flag/number of extra bits */
unsigned long n, d; /* length and index for copy */ unsigned long n, d; /* length and index for copy */
@ -398,7 +401,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
md = mask_bits[bd]; md = mask_bits[bd];
for (;;) { /* do until end of block */ for (;;) { /* do until end of block */
while (k < (unsigned) bl) { while (k < (unsigned) bl) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
if ((e = (t = tl + ((unsigned) b & ml))->e) > 16) if ((e = (t = tl + ((unsigned) b & ml))->e) > 16)
@ -410,17 +413,17 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
k -= t->b; k -= t->b;
e -= 16; e -= 16;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); } while ((e =
(t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
b >>= t->b; b >>= t->b;
k -= t->b; k -= t->b;
if (e == 16) { /* then it's a literal */ if (e == 16) { /* then it's a literal */
window[w++] = (unsigned char) t->v.n; window[w++] = (unsigned char) t->v.n;
if (w == WSIZE) { if (w == WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
} else { /* it's an EOB or a length */ } else { /* it's an EOB or a length */
@ -432,7 +435,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* get length of block to copy */ /* get length of block to copy */
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
n = t->v.n + ((unsigned) b & mask_bits[e]); n = t->v.n + ((unsigned) b & mask_bits[e]);
@ -441,7 +444,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* decode distance of block to copy */ /* decode distance of block to copy */
while (k < (unsigned) bd) { while (k < (unsigned) bd) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
@ -453,14 +456,16 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
k -= t->b; k -= t->b;
e -= 16; e -= 16;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); } while ((e =
(t =
t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
b >>= t->b; b >>= t->b;
k -= t->b; k -= t->b;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
d = w - t->v.n - ((unsigned) b & mask_bits[e]); d = w - t->v.n - ((unsigned) b & mask_bits[e]);
@ -469,7 +474,9 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* do the copy */ /* do the copy */
do { do {
n -= (e = (e = WSIZE - ((d &= WSIZE - 1) > w ? d : w)) > n ? n : e); n -= (e =
(e =
WSIZE - ((d &= WSIZE - 1) > w ? d : w)) > n ? n : e);
#if !defined(NOMEMCPY) && !defined(DEBUG) #if !defined(NOMEMCPY) && !defined(DEBUG)
if (w - d >= e) { /* (this test assumes unsigned comparison) */ if (w - d >= e) { /* (this test assumes unsigned comparison) */
memcpy(window + w, window + d, e); memcpy(window + w, window + d, e);
@ -481,8 +488,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
window[w++] = window[d++]; window[w++] = window[d++];
} while (--e); } while (--e);
if (w == WSIZE) { if (w == WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
} while (n); } while (n);
@ -502,6 +508,7 @@ static const unsigned short cplens[] = { /* Copy lengths for literal codes 2
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
}; };
/* note: see note #13 above about the 258 in this list. */ /* note: see note #13 above about the 258 in this list. */
static const extra_bits_t cplext[] = { /* Extra bits for literal codes 257..285 */ static const extra_bits_t cplext[] = { /* Extra bits for literal codes 257..285 */
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
@ -517,6 +524,7 @@ static const extra_bits_t cpdext[] = { /* Extra bits for distance codes */
7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
12, 12, 13, 13 12, 12, 13, 13
}; };
/* Tables for deflate from PKZIP's appnote.txt. */ /* Tables for deflate from PKZIP's appnote.txt. */
static const extra_bits_t border[] = { /* Order of the bit length code lengths */ static const extra_bits_t border[] = { /* Order of the bit length code lengths */
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
@ -540,7 +548,7 @@ static int inflate_block(int *e)
/* read in last block bit */ /* read in last block bit */
while (k < 1) { while (k < 1) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
*e = (int) b & 1; *e = (int) b & 1;
@ -549,7 +557,7 @@ static int inflate_block(int *e)
/* read in block type */ /* read in block type */
while (k < 2) { while (k < 2) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
t = (unsigned) b & 3; t = (unsigned) b & 3;
@ -581,14 +589,14 @@ static int inflate_block(int *e)
/* get the length and its complement */ /* get the length and its complement */
while (k_stored < 16) { while (k_stored < 16) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
n = ((unsigned) b_stored & 0xffff); n = ((unsigned) b_stored & 0xffff);
b_stored >>= 16; b_stored >>= 16;
k_stored -= 16; k_stored -= 16;
while (k_stored < 16) { while (k_stored < 16) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
if (n != (unsigned) ((~b_stored) & 0xffff)) { if (n != (unsigned) ((~b_stored) & 0xffff)) {
@ -600,13 +608,12 @@ static int inflate_block(int *e)
/* read and output the compressed data */ /* read and output the compressed data */
while (n--) { while (n--) {
while (k_stored < 8) { while (k_stored < 8) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
window[w++] = (unsigned char) b_stored; window[w++] = (unsigned char) b_stored;
if (w == (unsigned long)WSIZE) { if (w == (unsigned long) WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
b_stored >>= 8; b_stored >>= 8;
@ -697,21 +704,21 @@ static int inflate_block(int *e)
/* read in table lengths */ /* read in table lengths */
while (k_dynamic < 5) { while (k_dynamic < 5) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nl = 257 + ((unsigned) b_dynamic & 0x1f); /* number of literal/length codes */ nl = 257 + ((unsigned) b_dynamic & 0x1f); /* number of literal/length codes */
b_dynamic >>= 5; b_dynamic >>= 5;
k_dynamic -= 5; k_dynamic -= 5;
while (k_dynamic < 5) { while (k_dynamic < 5) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nd = 1 + ((unsigned) b_dynamic & 0x1f); /* number of distance codes */ nd = 1 + ((unsigned) b_dynamic & 0x1f); /* number of distance codes */
b_dynamic >>= 5; b_dynamic >>= 5;
k_dynamic -= 5; k_dynamic -= 5;
while (k_dynamic < 4) { while (k_dynamic < 4) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nb = 4 + ((unsigned) b_dynamic & 0xf); /* number of bit length codes */ nb = 4 + ((unsigned) b_dynamic & 0xf); /* number of bit length codes */
@ -724,7 +731,7 @@ static int inflate_block(int *e)
/* read in bit-length-code lengths */ /* read in bit-length-code lengths */
for (j = 0; j < nb; j++) { for (j = 0; j < nb; j++) {
while (k_dynamic < 3) { while (k_dynamic < 3) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
ll[border[j]] = (unsigned) b_dynamic & 7; ll[border[j]] = (unsigned) b_dynamic & 7;
@ -750,7 +757,7 @@ static int inflate_block(int *e)
i = l = 0; i = l = 0;
while ((unsigned) i < n) { while ((unsigned) i < n) {
while (k_dynamic < (unsigned) bl) { while (k_dynamic < (unsigned) bl) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = (td = tl + ((unsigned) b_dynamic & m))->b; j = (td = tl + ((unsigned) b_dynamic & m))->b;
@ -759,10 +766,10 @@ static int inflate_block(int *e)
j = td->v.n; j = td->v.n;
if (j < 16) { /* length of code in bits (0..15) */ if (j < 16) { /* length of code in bits (0..15) */
ll[i++] = l = j; /* save last length in l */ ll[i++] = l = j; /* save last length in l */
} } else if (j == 16) { /* repeat last length 3 to 6 times */
else if (j == 16) { /* repeat last length 3 to 6 times */
while (k_dynamic < 2) { while (k_dynamic < 2) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 3 + ((unsigned) b_dynamic & 3); j = 3 + ((unsigned) b_dynamic & 3);
@ -776,7 +783,8 @@ static int inflate_block(int *e)
} }
} else if (j == 17) { /* 3 to 10 zero length codes */ } else if (j == 17) { /* 3 to 10 zero length codes */
while (k_dynamic < 3) { while (k_dynamic < 3) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 3 + ((unsigned) b_dynamic & 7); j = 3 + ((unsigned) b_dynamic & 7);
@ -791,7 +799,8 @@ static int inflate_block(int *e)
l = 0; l = 0;
} else { /* j == 18: 11 to 138 zero length codes */ } else { /* j == 18: 11 to 138 zero length codes */
while (k_dynamic < 7) { while (k_dynamic < 7) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 11 + ((unsigned) b_dynamic & 0x7f); j = 11 + ((unsigned) b_dynamic & 0x7f);
@ -853,7 +862,7 @@ static int inflate_block(int *e)
* *
* GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr * GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr
*/ */
extern int inflate(FILE *in, FILE *out) extern int inflate(FILE * in, FILE * out)
{ {
int e; /* last block flag */ int e; /* last block flag */
int r; /* result code */ int r; /* result code */
@ -868,7 +877,7 @@ extern int inflate(FILE *in, FILE *out)
out_file = out; out_file = out;
/* Allocate all global buffers (for DYN_ALLOC option) */ /* Allocate all global buffers (for DYN_ALLOC option) */
window = xmalloc((size_t)(((2L*WSIZE)+1L)*sizeof(unsigned char))); window = xmalloc((size_t) (((2L * WSIZE) + 1L) * sizeof(unsigned char)));
bytes_out = 0L; bytes_out = 0L;
/* Create the crc table */ /* Create the crc table */
@ -910,40 +919,35 @@ extern int inflate(FILE *in, FILE *out)
* The magic header has already been checked. The output buffer is cleared. * The magic header has already been checked. The output buffer is cleared.
* in, out: input and output file descriptors * in, out: input and output file descriptors
*/ */
extern int unzip(FILE *l_in_file, FILE *l_out_file) extern int unzip(FILE * l_in_file, FILE * l_out_file)
{ {
unsigned char buf[8]; /* extended local header */ unsigned char buf[8]; /* extended local header */
unsigned char flags; /* compression flags */ unsigned char flags; /* compression flags */
typedef void (*sig_type) (int); typedef void (*sig_type) (int);
unsigned short i; unsigned short i;
unsigned char magic [2]; unsigned char magic[2];
if (signal(SIGINT, SIG_IGN) != SIG_IGN) { if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
(void) signal(SIGINT, (sig_type) abort_gzip); (void) signal(SIGINT, (sig_type) abort_gzip);
} }
#ifdef SIGTERM
// if (signal(SIGTERM, SIG_IGN) != SIG_IGN) {
// (void) signal(SIGTERM, (sig_type) abort_gzip);
// }
#endif
#ifdef SIGHUP #ifdef SIGHUP
if (signal(SIGHUP, SIG_IGN) != SIG_IGN) { if (signal(SIGHUP, SIG_IGN) != SIG_IGN) {
(void) signal(SIGHUP, (sig_type) abort_gzip); (void) signal(SIGHUP, (sig_type) abort_gzip);
} }
#endif #endif
magic [0] = fgetc(l_in_file); magic[0] = fgetc(l_in_file);
magic [1] = fgetc(l_in_file); magic[1] = fgetc(l_in_file);
#ifdef CONFIG_FEATURE_UNCOMPRESS #ifdef CONFIG_FEATURE_UNCOMPRESS
/* Magic header for compress files, 1F 9d = \037\235 */ /* Magic header for compress files, 1F 9d = \037\235 */
if (( magic [0] == 0x1F ) && ( magic [1] == 0x9d)) { if ((magic[0] == 0x1F) && (magic[1] == 0x9d)) {
return uncompress ( l_in_file, l_out_file ); return uncompress(l_in_file, l_out_file);
} }
#endif #endif
/* Magic header for gzip files, 1F 8B = \037\213 */ /* Magic header for gzip files, 1F 8B = \037\213 */
if (( magic [0] != 0x1F ) || ( magic [1] != 0x8b)) { if ((magic[0] != 0x1F) || (magic[1] != 0x8b)) {
error_msg("Invalid gzip magic"); error_msg("Invalid gzip magic");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
@ -951,7 +955,7 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
/* Check the compression method */ /* Check the compression method */
if (fgetc(l_in_file) != 8) { if (fgetc(l_in_file) != 8) {
error_msg("Unknown compression method"); error_msg("Unknown compression method");
return(-1); return (-1);
} }
flags = (unsigned char) fgetc(l_in_file); flags = (unsigned char) fgetc(l_in_file);
@ -963,7 +967,8 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
if (flags & 0x04) { if (flags & 0x04) {
/* bit 2 set: extra field present */ /* bit 2 set: extra field present */
const unsigned short extra = fgetc(l_in_file) + (fgetc(l_in_file) << 8); const unsigned short extra =
fgetc(l_in_file) + (fgetc(l_in_file) << 8);
for (i = 0; i < extra; i++) { for (i = 0; i < extra; i++) {
fgetc(l_in_file); fgetc(l_in_file);
@ -994,11 +999,14 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
fread(buf, 1, 8, l_in_file); fread(buf, 1, 8, l_in_file);
/* Validate decompression - crc */ /* Validate decompression - crc */
if ((unsigned int)((buf[0] | (buf[1] << 8)) |((buf[2] | (buf[3] << 8)) << 16)) != (crc ^ 0xffffffffL)) { if ((unsigned int) ((buf[0] | (buf[1] << 8)) |
((buf[2] | (buf[3] << 8)) << 16)) !=
(crc ^ 0xffffffffL)) {
error_msg("invalid compressed data--crc error"); error_msg("invalid compressed data--crc error");
} }
/* Validate decompression - size */ /* Validate decompression - size */
if (((buf[4] | (buf[5] << 8)) |((buf[6] | (buf[7] << 8)) << 16)) != (unsigned long) bytes_out) { if (((buf[4] | (buf[5] << 8)) | ((buf[6] | (buf[7] << 8)) << 16)) !=
(unsigned long) bytes_out) {
error_msg("invalid compressed data--length error"); error_msg("invalid compressed data--length error");
} }
@ -1011,7 +1019,8 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
extern void gz_close(int gunzip_pid) extern void gz_close(int gunzip_pid)
{ {
if (kill(gunzip_pid, SIGTERM) == -1) { if (kill(gunzip_pid, SIGTERM) == -1) {
error_msg_and_die("*** Couldnt kill old gunzip process *** aborting"); error_msg_and_die
("*** Couldnt kill old gunzip process *** aborting");
} }
if (waitpid(gunzip_pid, NULL, 0) == -1) { if (waitpid(gunzip_pid, NULL, 0) == -1) {

248
libbb/dump.c
View File

@ -44,7 +44,7 @@ int blocksize; /* data block size */
int length = -1; /* max bytes to read */ int length = -1; /* max bytes to read */
int size(FS *fs) int size(FS * fs)
{ {
register FU *fu; register FU *fu;
register int bcnt, cursize; register int bcnt, cursize;
@ -69,23 +69,33 @@ int size(FS *fs)
prec = atoi(fmt); prec = atoi(fmt);
while (isdigit(*++fmt)); while (isdigit(*++fmt));
} }
switch(*fmt) { switch (*fmt) {
case 'c': case 'c':
bcnt += 1; bcnt += 1;
break; break;
case 'd': case 'i': case 'o': case 'u': case 'd':
case 'x': case 'X': case 'i':
case 'o':
case 'u':
case 'x':
case 'X':
bcnt += 4; bcnt += 4;
break; break;
case 'e': case 'E': case 'f': case 'g': case 'G': case 'e':
case 'E':
case 'f':
case 'g':
case 'G':
bcnt += 8; bcnt += 8;
break; break;
case 's': case 's':
bcnt += prec; bcnt += prec;
break; break;
case '_': case '_':
switch(*++fmt) { switch (*++fmt) {
case 'c': case 'p': case 'u': case 'c':
case 'p':
case 'u':
bcnt += 1; bcnt += 1;
break; break;
} }
@ -93,10 +103,10 @@ int size(FS *fs)
} }
cursize += bcnt * fu->reps; cursize += bcnt * fu->reps;
} }
return(cursize); return (cursize);
} }
void rewrite(FS *fs) void rewrite(FS * fs)
{ {
enum { NOTOKAY, USEBCNT, USEPREC } sokay; enum { NOTOKAY, USEBCNT, USEPREC } sokay;
register PR *pr, **nextpr = NULL; register PR *pr, **nextpr = NULL;
@ -112,7 +122,7 @@ void rewrite(FS *fs)
*/ */
for (nconv = 0, fmtp = fu->fmt; *fmtp; nextpr = &pr->nextpr) { for (nconv = 0, fmtp = fu->fmt; *fmtp; nextpr = &pr->nextpr) {
/* NOSTRICT */ /* NOSTRICT */
pr = (PR *)xmalloc(sizeof(PR)); pr = (PR *) xmalloc(sizeof(PR));
if (!fu->nextpr) if (!fu->nextpr)
fu->nextpr = pr; fu->nextpr = pr;
else else
@ -143,8 +153,7 @@ void rewrite(FS *fs)
sokay = USEPREC; sokay = USEPREC;
prec = atoi(p1); prec = atoi(p1);
while (isdigit(*++p1)); while (isdigit(*++p1));
} } else
else
sokay = NOTOKAY; sokay = NOTOKAY;
} }
@ -155,41 +164,53 @@ void rewrite(FS *fs)
* rewrite the format as necessary, set up blank- * rewrite the format as necessary, set up blank-
* padding for end of data. * padding for end of data.
*/ */
switch(*p1) { switch (*p1) {
case 'c': case 'c':
pr->flags = F_CHAR; pr->flags = F_CHAR;
switch(fu->bcnt) { switch (fu->bcnt) {
case 0: case 1: case 0:
case 1:
pr->bcnt = 1; pr->bcnt = 1;
break; break;
default: default:
p1[1] = '\0'; p1[1] = '\0';
error_msg_and_die("bad byte count for conversion character %s.", p1); error_msg_and_die
("bad byte count for conversion character %s.", p1);
} }
break; break;
case 'd': case 'i': case 'd':
case 'i':
pr->flags = F_INT; pr->flags = F_INT;
goto sw1; goto sw1;
case 'l': case 'l':
++p2; ++p2;
switch(p1[1]) { switch (p1[1]) {
case 'd': case 'i': case 'd':
case 'i':
++p1; ++p1;
pr->flags = F_INT; pr->flags = F_INT;
goto sw1; goto sw1;
case 'o': case 'u': case 'x': case 'X': case 'o':
case 'u':
case 'x':
case 'X':
++p1; ++p1;
pr->flags = F_UINT; pr->flags = F_UINT;
goto sw1; goto sw1;
default: default:
p1[2] = '\0'; p1[2] = '\0';
error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1); error_msg_and_die
("hexdump: bad conversion character %%%s.\n", p1);
} }
/* NOTREACHED */ /* NOTREACHED */
case 'o': case 'u': case 'x': case 'X': case 'o':
case 'u':
case 'x':
case 'X':
pr->flags = F_UINT; pr->flags = F_UINT;
sw1: switch(fu->bcnt) { sw1:switch (fu->bcnt) {
case 0: case 4: case 0:
case 4:
pr->bcnt = 4; pr->bcnt = 4;
break; break;
case 1: case 1:
@ -200,13 +221,19 @@ sw1: switch(fu->bcnt) {
break; break;
default: default:
p1[1] = '\0'; p1[1] = '\0';
error_msg_and_die("bad byte count for conversion character %s.", p1); error_msg_and_die
("bad byte count for conversion character %s.", p1);
} }
break; break;
case 'e': case 'E': case 'f': case 'g': case 'G': case 'e':
case 'E':
case 'f':
case 'g':
case 'G':
pr->flags = F_DBL; pr->flags = F_DBL;
switch(fu->bcnt) { switch (fu->bcnt) {
case 0: case 8: case 0:
case 8:
pr->bcnt = 8; pr->bcnt = 8;
break; break;
case 4: case 4:
@ -214,14 +241,16 @@ sw1: switch(fu->bcnt) {
break; break;
default: default:
p1[1] = '\0'; p1[1] = '\0';
error_msg_and_die("bad byte count for conversion character %s.", p1); error_msg_and_die
("bad byte count for conversion character %s.", p1);
} }
break; break;
case 's': case 's':
pr->flags = F_STR; pr->flags = F_STR;
switch(sokay) { switch (sokay) {
case NOTOKAY: case NOTOKAY:
error_msg_and_die("%%s requires a precision or a byte count."); error_msg_and_die
("%%s requires a precision or a byte count.");
case USEBCNT: case USEBCNT:
pr->bcnt = fu->bcnt; pr->bcnt = fu->bcnt;
break; break;
@ -232,7 +261,7 @@ sw1: switch(fu->bcnt) {
break; break;
case '_': case '_':
++p2; ++p2;
switch(p1[1]) { switch (p1[1]) {
case 'A': case 'A':
endfu = fu; endfu = fu;
fu->flags |= F_IGNORE; fu->flags |= F_IGNORE;
@ -240,13 +269,16 @@ sw1: switch(fu->bcnt) {
case 'a': case 'a':
pr->flags = F_ADDRESS; pr->flags = F_ADDRESS;
++p2; ++p2;
switch(p1[2]) { switch (p1[2]) {
case 'd': case 'o': case'x': case 'd':
case 'o':
case 'x':
*p1 = p1[2]; *p1 = p1[2];
break; break;
default: default:
p1[3] = '\0'; p1[3] = '\0';
error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1); error_msg_and_die
("hexdump: bad conversion character %%%s.\n", p1);
} }
break; break;
case 'c': case 'c':
@ -260,23 +292,28 @@ sw1: switch(fu->bcnt) {
case 'u': case 'u':
pr->flags = F_U; pr->flags = F_U;
/* *p1 = 'c'; set in conv_u */ /* *p1 = 'c'; set in conv_u */
sw2: switch(fu->bcnt) { sw2:switch (fu->bcnt) {
case 0: case 1: case 0:
case 1:
pr->bcnt = 1; pr->bcnt = 1;
break; break;
default: default:
p1[2] = '\0'; p1[2] = '\0';
error_msg_and_die("bad byte count for conversion character %s.", p1); error_msg_and_die
("bad byte count for conversion character %s.",
p1);
} }
break; break;
default: default:
p1[2] = '\0'; p1[2] = '\0';
error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1); error_msg_and_die
("hexdump: bad conversion character %%%s.\n", p1);
} }
break; break;
default: default:
p1[1] = '\0'; p1[1] = '\0';
error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1); error_msg_and_die("hexdump: bad conversion character %%%s.\n",
p1);
} }
/* /*
@ -292,8 +329,9 @@ sw2: switch(fu->bcnt) {
fmtp = p2; fmtp = p2;
/* only one conversion character if byte count */ /* only one conversion character if byte count */
if (!(pr->flags&F_ADDRESS) && fu->bcnt && nconv++) { if (!(pr->flags & F_ADDRESS) && fu->bcnt && nconv++) {
error_msg_and_die("hexdump: byte count with multiple conversion characters.\n"); error_msg_and_die
("hexdump: byte count with multiple conversion characters.\n");
} }
} }
/* /*
@ -315,7 +353,7 @@ sw2: switch(fu->bcnt) {
*/ */
for (fu = fs->nextfu;; fu = fu->nextfu) { for (fu = fs->nextfu;; fu = fu->nextfu) {
if (!fu->nextfu && fs->bcnt < blocksize && if (!fu->nextfu && fs->bcnt < blocksize &&
!(fu->flags&F_SETREP) && fu->bcnt) !(fu->flags & F_SETREP) && fu->bcnt)
fu->reps += (blocksize - fs->bcnt) / fu->bcnt; fu->reps += (blocksize - fs->bcnt) / fu->bcnt;
if (fu->reps > 1) { if (fu->reps > 1) {
for (pr = fu->nextpr;; pr = pr->nextpr) for (pr = fu->nextpr;; pr = pr->nextpr)
@ -339,10 +377,9 @@ static void doskip(char *fname, int statok)
if (fstat(fileno(stdin), &sbuf)) { if (fstat(fileno(stdin), &sbuf)) {
perror_msg_and_die("hexdump: %s", fname); perror_msg_and_die("hexdump: %s", fname);
} }
if ( ( ! (S_ISCHR(sbuf.st_mode) || if ((!(S_ISCHR(sbuf.st_mode) ||
S_ISBLK(sbuf.st_mode) || S_ISBLK(sbuf.st_mode) ||
S_ISFIFO(sbuf.st_mode)) ) && S_ISFIFO(sbuf.st_mode))) && skip >= sbuf.st_size) {
skip >= sbuf.st_size) {
/* If size valid and skip >= size */ /* If size valid and skip >= size */
skip -= sbuf.st_size; skip -= sbuf.st_size;
address += sbuf.st_size; address += sbuf.st_size;
@ -363,7 +400,7 @@ int next(char **argv)
if (argv) { if (argv) {
_argv = argv; _argv = argv;
return(1); return (1);
} }
for (;;) { for (;;) {
if (*_argv) { if (*_argv) {
@ -376,7 +413,7 @@ int next(char **argv)
statok = done = 1; statok = done = 1;
} else { } else {
if (done++) if (done++)
return(0); return (0);
statok = 0; statok = 0;
} }
if (skip) if (skip)
@ -384,13 +421,12 @@ int next(char **argv)
if (*_argv) if (*_argv)
++_argv; ++_argv;
if (!skip) if (!skip)
return(1); return (1);
} }
/* NOTREACHED */ /* NOTREACHED */
} }
static u_char * static u_char *get(void)
get(void)
{ {
static int ateof = 1; static int ateof = 1;
static u_char *curp, *savp; static u_char *curp, *savp;
@ -399,8 +435,8 @@ get(void)
u_char *tmpp; u_char *tmpp;
if (!curp) { if (!curp) {
curp = (u_char *)xmalloc(blocksize); curp = (u_char *) xmalloc(blocksize);
savp = (u_char *)xmalloc(blocksize); savp = (u_char *) xmalloc(blocksize);
} else { } else {
tmpp = curp; tmpp = curp;
curp = savp; curp = savp;
@ -413,21 +449,21 @@ get(void)
* and no other files are available, zero-pad the rest of the * and no other files are available, zero-pad the rest of the
* block and set the end flag. * block and set the end flag.
*/ */
if (!length || (ateof && !next((char **)NULL))) { if (!length || (ateof && !next((char **) NULL))) {
if (need == blocksize) { if (need == blocksize) {
return((u_char *)NULL); return ((u_char *) NULL);
} }
if (vflag != ALL && !bcmp(curp, savp, nread)) { if (vflag != ALL && !bcmp(curp, savp, nread)) {
if (vflag != DUP) { if (vflag != DUP) {
printf("*\n"); printf("*\n");
} }
return((u_char *)NULL); return ((u_char *) NULL);
} }
bzero((char *)curp + nread, need); bzero((char *) curp + nread, need);
eaddress = address + nread; eaddress = address + nread;
return(curp); return (curp);
} }
n = fread((char *)curp + nread, sizeof(u_char), n = fread((char *) curp + nread, sizeof(u_char),
length == -1 ? need : MIN(length, need), stdin); length == -1 ? need : MIN(length, need), stdin);
if (!n) { if (!n) {
if (ferror(stdin)) { if (ferror(stdin)) {
@ -441,12 +477,11 @@ get(void)
length -= n; length -= n;
} }
if (!(need -= n)) { if (!(need -= n)) {
if (vflag == ALL || vflag == FIRST || if (vflag == ALL || vflag == FIRST || bcmp(curp, savp, blocksize)) {
bcmp(curp, savp, blocksize)) {
if (vflag == DUP || vflag == FIRST) { if (vflag == DUP || vflag == FIRST) {
vflag = WAIT; vflag = WAIT;
} }
return(curp); return (curp);
} }
if (vflag == WAIT) { if (vflag == WAIT) {
printf("*\n"); printf("*\n");
@ -461,7 +496,7 @@ get(void)
} }
} }
static void bpad(PR *pr) static void bpad(PR * pr)
{ {
register char *p1, *p2; register char *p1, *p2;
@ -473,14 +508,14 @@ static void bpad(PR *pr)
*pr->cchar = 's'; *pr->cchar = 's';
for (p1 = pr->fmt; *p1 != '%'; ++p1); for (p1 = pr->fmt; *p1 != '%'; ++p1);
for (p2 = ++p1; *p1 && index(" -0+#", *p1); ++p1); for (p2 = ++p1; *p1 && index(" -0+#", *p1); ++p1);
while ((*p2++ = *p1++) != 0) ; while ((*p2++ = *p1++) != 0);
} }
void conv_c(PR *pr, u_char *p) void conv_c(PR * pr, u_char * p)
{ {
char buf[10], *str; char buf[10], *str;
switch(*p) { switch (*p) {
case '\0': case '\0':
str = "\\0"; str = "\\0";
goto strpr; goto strpr;
@ -511,16 +546,16 @@ void conv_c(PR *pr, u_char *p)
} }
if (isprint(*p)) { if (isprint(*p)) {
*pr->cchar = 'c'; *pr->cchar = 'c';
(void)printf(pr->fmt, *p); (void) printf(pr->fmt, *p);
} else { } else {
sprintf(str = buf, "%03o", (int)*p); sprintf(str = buf, "%03o", (int) *p);
strpr: strpr:
*pr->cchar = 's'; *pr->cchar = 's';
printf(pr->fmt, str); printf(pr->fmt, str);
} }
} }
void conv_u(PR *pr, u_char *p) void conv_u(PR * pr, u_char * p)
{ {
static char *list[] = { static char *list[] = {
"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
@ -541,19 +576,20 @@ void conv_u(PR *pr, u_char *p)
printf(pr->fmt, *p); printf(pr->fmt, *p);
} else { } else {
*pr->cchar = 'x'; *pr->cchar = 'x';
printf(pr->fmt, (int)*p); printf(pr->fmt, (int) *p);
} }
} }
void display(void) void display(void)
{ {
// extern FU *endfu; /* extern FU *endfu; */
register FS *fs; register FS *fs;
register FU *fu; register FU *fu;
register PR *pr; register PR *pr;
register int cnt; register int cnt;
register u_char *bp; register u_char *bp;
// off_t saveaddress;
/* off_t saveaddress; */
u_char savech = 0, *savebp; u_char savech = 0, *savebp;
while ((bp = get()) != NULL) { while ((bp = get()) != NULL) {
@ -567,15 +603,15 @@ void display(void)
for (pr = fu->nextpr; pr; address += pr->bcnt, for (pr = fu->nextpr; pr; address += pr->bcnt,
bp += pr->bcnt, pr = pr->nextpr) { bp += pr->bcnt, pr = pr->nextpr) {
if (eaddress && address >= eaddress && if (eaddress && address >= eaddress &&
!(pr->flags&(F_TEXT|F_BPAD))) { !(pr->flags & (F_TEXT | F_BPAD))) {
bpad(pr); bpad(pr);
} }
if (cnt == 1 && pr->nospace) { if (cnt == 1 && pr->nospace) {
savech = *pr->nospace; savech = *pr->nospace;
*pr->nospace = '\0'; *pr->nospace = '\0';
} }
// PRINT; /* PRINT; */
switch(pr->flags) { switch (pr->flags) {
case F_ADDRESS: case F_ADDRESS:
printf(pr->fmt, address); printf(pr->fmt, address);
break; break;
@ -588,34 +624,40 @@ void display(void)
case F_CHAR: case F_CHAR:
printf(pr->fmt, *bp); printf(pr->fmt, *bp);
break; break;
case F_DBL: { case F_DBL:{
double dval; double dval;
float fval; float fval;
switch(pr->bcnt) {
switch (pr->bcnt) {
case 4: case 4:
bcopy((char *)bp, (char *)&fval, sizeof(fval)); bcopy((char *) bp, (char *) &fval,
sizeof(fval));
printf(pr->fmt, fval); printf(pr->fmt, fval);
break; break;
case 8: case 8:
bcopy((char *)bp, (char *)&dval, sizeof(dval)); bcopy((char *) bp, (char *) &dval,
sizeof(dval));
printf(pr->fmt, dval); printf(pr->fmt, dval);
break; break;
} }
break; break;
} }
case F_INT: { case F_INT:{
int ival; int ival;
short sval; short sval;
switch(pr->bcnt) {
switch (pr->bcnt) {
case 1: case 1:
printf(pr->fmt, (int)*bp); printf(pr->fmt, (int) *bp);
break; break;
case 2: case 2:
bcopy((char *)bp, (char *)&sval, sizeof(sval)); bcopy((char *) bp, (char *) &sval,
printf(pr->fmt, (int)sval); sizeof(sval));
printf(pr->fmt, (int) sval);
break; break;
case 4: case 4:
bcopy((char *)bp, (char *)&ival, sizeof(ival)); bcopy((char *) bp, (char *) &ival,
sizeof(ival));
printf(pr->fmt, ival); printf(pr->fmt, ival);
break; break;
} }
@ -625,7 +667,7 @@ void display(void)
printf(pr->fmt, isprint(*bp) ? *bp : '.'); printf(pr->fmt, isprint(*bp) ? *bp : '.');
break; break;
case F_STR: case F_STR:
printf(pr->fmt, (char *)bp); printf(pr->fmt, (char *) bp);
break; break;
case F_TEXT: case F_TEXT:
printf(pr->fmt); printf(pr->fmt);
@ -633,19 +675,22 @@ void display(void)
case F_U: case F_U:
conv_u(pr, bp); conv_u(pr, bp);
break; break;
case F_UINT: { case F_UINT:{
u_int ival; u_int ival;
u_short sval; u_short sval;
switch(pr->bcnt) {
switch (pr->bcnt) {
case 1: case 1:
printf(pr->fmt, (u_int)*bp); printf(pr->fmt, (u_int) * bp);
break; break;
case 2: case 2:
bcopy((char *)bp, (char *)&sval, sizeof(sval)); bcopy((char *) bp, (char *) &sval,
printf(pr->fmt, (u_int)sval); sizeof(sval));
printf(pr->fmt, (u_int) sval);
break; break;
case 4: case 4:
bcopy((char *)bp, (char *)&ival, sizeof(ival)); bcopy((char *) bp, (char *) &ival,
sizeof(ival));
printf(pr->fmt, ival); printf(pr->fmt, ival);
break; break;
} }
@ -672,12 +717,12 @@ void display(void)
eaddress = address; eaddress = address;
} }
for (pr = endfu->nextpr; pr; pr = pr->nextpr) { for (pr = endfu->nextpr; pr; pr = pr->nextpr) {
switch(pr->flags) { switch (pr->flags) {
case F_ADDRESS: case F_ADDRESS:
(void)printf(pr->fmt, eaddress); (void) printf(pr->fmt, eaddress);
break; break;
case F_TEXT: case F_TEXT:
(void)printf(pr->fmt); (void) printf(pr->fmt);
break; break;
} }
} }
@ -703,7 +748,7 @@ int dump(char **argv)
next(argv); next(argv);
display(); display();
return(exitval); return (exitval);
} }
void add(char *fmt) void add(char *fmt)
@ -718,7 +763,7 @@ void add(char *fmt)
/* start new linked list of format units */ /* start new linked list of format units */
/* NOSTRICT */ /* NOSTRICT */
tfs = (FS *)xmalloc(sizeof(FS)); tfs = (FS *) xmalloc(sizeof(FS));
if (!fshead) { if (!fshead) {
fshead = tfs; fshead = tfs;
} else { } else {
@ -737,7 +782,7 @@ void add(char *fmt)
/* allocate a new format unit and link it in */ /* allocate a new format unit and link it in */
/* NOSTRICT */ /* NOSTRICT */
tfu = (FU *)xmalloc(sizeof(FU)); tfu = (FU *) xmalloc(sizeof(FU));
*nextfu = tfu; *nextfu = tfu;
nextfu = &tfu->nextfu; nextfu = &tfu->nextfu;
tfu->reps = 1; tfu->reps = 1;
@ -785,7 +830,7 @@ void add(char *fmt)
} }
strncpy(tfu->fmt, savep, p - savep); strncpy(tfu->fmt, savep, p - savep);
tfu->fmt[p - savep] = '\0'; tfu->fmt[p - savep] = '\0';
// escape(tfu->fmt); /* escape(tfu->fmt); */
p1 = tfu->fmt; p1 = tfu->fmt;
@ -796,7 +841,7 @@ void add(char *fmt)
break; break;
} }
if (*p1 == '\\') { if (*p1 == '\\') {
switch(*++p1) { switch (*++p1) {
case 'a': case 'a':
/* *p2 = '\a'; */ /* *p2 = '\a'; */
*p2 = '\007'; *p2 = '\007';
@ -829,6 +874,7 @@ void add(char *fmt)
p++; p++;
} }
} }
/* /*
* Copyright (c) 1989 The Regents of the University of California. * Copyright (c) 1989 The Regents of the University of California.
* All rights reserved. * All rights reserved.

127
libbb/unzip.c
View File

@ -69,7 +69,7 @@ static char *license_msg[] = {
#include "libbb.h" #include "libbb.h"
#ifdef CONFIG_FEATURE_UNCOMPRESS #ifdef CONFIG_FEATURE_UNCOMPRESS
int uncompress ( FILE *in, FILE *out ); int uncompress(FILE * in, FILE * out);
#endif #endif
static FILE *in_file, *out_file; static FILE *in_file, *out_file;
@ -115,7 +115,7 @@ static const unsigned short mask_bits[] = {
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
}; };
//static int error_number = 0; /* static int error_number = 0; */
/* ======================================================================== /* ========================================================================
* Signal and error handler. * Signal and error handler.
*/ */
@ -145,9 +145,11 @@ static void make_crc_table(void)
* zero was stolen from Haruhiko Okumura's ar002 * zero was stolen from Haruhiko Okumura's ar002
*/ */
for (k = 8; k; k--) { for (k = 8; k; k--) {
table_entry = table_entry & 1 ? (table_entry >> 1) ^ poly : table_entry >> 1; table_entry =
table_entry & 1 ? (table_entry >> 1) ^ poly : table_entry >>
1;
} }
crc_table[i]=table_entry; crc_table[i] = table_entry;
} }
} }
@ -179,7 +181,7 @@ static void flush_window(void)
* each table. * each table.
* t: table to free * t: table to free
*/ */
static int huft_free(huft_t *t) static int huft_free(huft_t * t)
{ {
huft_t *p, *q; huft_t *p, *q;
@ -209,8 +211,9 @@ typedef unsigned char extra_bits_t;
* t: result: starting table * t: result: starting table
* m: maximum lookup bits, returns actual * m: maximum lookup bits, returns actual
*/ */
static int huft_build(unsigned int *b, const unsigned int n, const unsigned int s, static int huft_build(unsigned int *b, const unsigned int n,
const unsigned short *d, const extra_bits_t *e, huft_t **t, int *m) const unsigned int s, const unsigned short *d,
const extra_bits_t * e, huft_t ** t, int *m)
{ {
unsigned a; /* counter for codes of length k */ unsigned a; /* counter for codes of length k */
unsigned c[BMAX + 1]; /* bit length count table */ unsigned c[BMAX + 1]; /* bit length count table */
@ -233,7 +236,7 @@ static int huft_build(unsigned int *b, const unsigned int n, const unsigned int
unsigned z; /* number of entries in current table */ unsigned z; /* number of entries in current table */
/* Generate counts for each bit length */ /* Generate counts for each bit length */
memset ((void *)(c), 0, sizeof(c)); memset((void *) (c), 0, sizeof(c));
p = b; p = b;
i = n; i = n;
do { do {
@ -378,7 +381,7 @@ static int huft_build(unsigned int *b, const unsigned int n, const unsigned int
* tl, td: literal/length and distance decoder tables * tl, td: literal/length and distance decoder tables
* bl, bd: number of bits decoded by tl[] and td[] * bl, bd: number of bits decoded by tl[] and td[]
*/ */
static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd) static int inflate_codes(huft_t * tl, huft_t * td, int bl, int bd)
{ {
register unsigned long e; /* table entry flag/number of extra bits */ register unsigned long e; /* table entry flag/number of extra bits */
unsigned long n, d; /* length and index for copy */ unsigned long n, d; /* length and index for copy */
@ -398,7 +401,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
md = mask_bits[bd]; md = mask_bits[bd];
for (;;) { /* do until end of block */ for (;;) { /* do until end of block */
while (k < (unsigned) bl) { while (k < (unsigned) bl) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
if ((e = (t = tl + ((unsigned) b & ml))->e) > 16) if ((e = (t = tl + ((unsigned) b & ml))->e) > 16)
@ -410,17 +413,17 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
k -= t->b; k -= t->b;
e -= 16; e -= 16;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); } while ((e =
(t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
b >>= t->b; b >>= t->b;
k -= t->b; k -= t->b;
if (e == 16) { /* then it's a literal */ if (e == 16) { /* then it's a literal */
window[w++] = (unsigned char) t->v.n; window[w++] = (unsigned char) t->v.n;
if (w == WSIZE) { if (w == WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
} else { /* it's an EOB or a length */ } else { /* it's an EOB or a length */
@ -432,7 +435,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* get length of block to copy */ /* get length of block to copy */
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
n = t->v.n + ((unsigned) b & mask_bits[e]); n = t->v.n + ((unsigned) b & mask_bits[e]);
@ -441,7 +444,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* decode distance of block to copy */ /* decode distance of block to copy */
while (k < (unsigned) bd) { while (k < (unsigned) bd) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
@ -453,14 +456,16 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
k -= t->b; k -= t->b;
e -= 16; e -= 16;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); } while ((e =
(t =
t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
b >>= t->b; b >>= t->b;
k -= t->b; k -= t->b;
while (k < e) { while (k < e) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
d = w - t->v.n - ((unsigned) b & mask_bits[e]); d = w - t->v.n - ((unsigned) b & mask_bits[e]);
@ -469,7 +474,9 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
/* do the copy */ /* do the copy */
do { do {
n -= (e = (e = WSIZE - ((d &= WSIZE - 1) > w ? d : w)) > n ? n : e); n -= (e =
(e =
WSIZE - ((d &= WSIZE - 1) > w ? d : w)) > n ? n : e);
#if !defined(NOMEMCPY) && !defined(DEBUG) #if !defined(NOMEMCPY) && !defined(DEBUG)
if (w - d >= e) { /* (this test assumes unsigned comparison) */ if (w - d >= e) { /* (this test assumes unsigned comparison) */
memcpy(window + w, window + d, e); memcpy(window + w, window + d, e);
@ -481,8 +488,7 @@ static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
window[w++] = window[d++]; window[w++] = window[d++];
} while (--e); } while (--e);
if (w == WSIZE) { if (w == WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
} while (n); } while (n);
@ -502,6 +508,7 @@ static const unsigned short cplens[] = { /* Copy lengths for literal codes 2
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
}; };
/* note: see note #13 above about the 258 in this list. */ /* note: see note #13 above about the 258 in this list. */
static const extra_bits_t cplext[] = { /* Extra bits for literal codes 257..285 */ static const extra_bits_t cplext[] = { /* Extra bits for literal codes 257..285 */
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
@ -517,6 +524,7 @@ static const extra_bits_t cpdext[] = { /* Extra bits for distance codes */
7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
12, 12, 13, 13 12, 12, 13, 13
}; };
/* Tables for deflate from PKZIP's appnote.txt. */ /* Tables for deflate from PKZIP's appnote.txt. */
static const extra_bits_t border[] = { /* Order of the bit length code lengths */ static const extra_bits_t border[] = { /* Order of the bit length code lengths */
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
@ -540,7 +548,7 @@ static int inflate_block(int *e)
/* read in last block bit */ /* read in last block bit */
while (k < 1) { while (k < 1) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
*e = (int) b & 1; *e = (int) b & 1;
@ -549,7 +557,7 @@ static int inflate_block(int *e)
/* read in block type */ /* read in block type */
while (k < 2) { while (k < 2) {
b |= ((unsigned long)fgetc(in_file)) << k; b |= ((unsigned long) fgetc(in_file)) << k;
k += 8; k += 8;
} }
t = (unsigned) b & 3; t = (unsigned) b & 3;
@ -581,14 +589,14 @@ static int inflate_block(int *e)
/* get the length and its complement */ /* get the length and its complement */
while (k_stored < 16) { while (k_stored < 16) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
n = ((unsigned) b_stored & 0xffff); n = ((unsigned) b_stored & 0xffff);
b_stored >>= 16; b_stored >>= 16;
k_stored -= 16; k_stored -= 16;
while (k_stored < 16) { while (k_stored < 16) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
if (n != (unsigned) ((~b_stored) & 0xffff)) { if (n != (unsigned) ((~b_stored) & 0xffff)) {
@ -600,13 +608,12 @@ static int inflate_block(int *e)
/* read and output the compressed data */ /* read and output the compressed data */
while (n--) { while (n--) {
while (k_stored < 8) { while (k_stored < 8) {
b_stored |= ((unsigned long)fgetc(in_file)) << k_stored; b_stored |= ((unsigned long) fgetc(in_file)) << k_stored;
k_stored += 8; k_stored += 8;
} }
window[w++] = (unsigned char) b_stored; window[w++] = (unsigned char) b_stored;
if (w == (unsigned long)WSIZE) { if (w == (unsigned long) WSIZE) {
outcnt=(w), outcnt = (w), flush_window();
flush_window();
w = 0; w = 0;
} }
b_stored >>= 8; b_stored >>= 8;
@ -697,21 +704,21 @@ static int inflate_block(int *e)
/* read in table lengths */ /* read in table lengths */
while (k_dynamic < 5) { while (k_dynamic < 5) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nl = 257 + ((unsigned) b_dynamic & 0x1f); /* number of literal/length codes */ nl = 257 + ((unsigned) b_dynamic & 0x1f); /* number of literal/length codes */
b_dynamic >>= 5; b_dynamic >>= 5;
k_dynamic -= 5; k_dynamic -= 5;
while (k_dynamic < 5) { while (k_dynamic < 5) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nd = 1 + ((unsigned) b_dynamic & 0x1f); /* number of distance codes */ nd = 1 + ((unsigned) b_dynamic & 0x1f); /* number of distance codes */
b_dynamic >>= 5; b_dynamic >>= 5;
k_dynamic -= 5; k_dynamic -= 5;
while (k_dynamic < 4) { while (k_dynamic < 4) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
nb = 4 + ((unsigned) b_dynamic & 0xf); /* number of bit length codes */ nb = 4 + ((unsigned) b_dynamic & 0xf); /* number of bit length codes */
@ -724,7 +731,7 @@ static int inflate_block(int *e)
/* read in bit-length-code lengths */ /* read in bit-length-code lengths */
for (j = 0; j < nb; j++) { for (j = 0; j < nb; j++) {
while (k_dynamic < 3) { while (k_dynamic < 3) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
ll[border[j]] = (unsigned) b_dynamic & 7; ll[border[j]] = (unsigned) b_dynamic & 7;
@ -750,7 +757,7 @@ static int inflate_block(int *e)
i = l = 0; i = l = 0;
while ((unsigned) i < n) { while ((unsigned) i < n) {
while (k_dynamic < (unsigned) bl) { while (k_dynamic < (unsigned) bl) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |= ((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = (td = tl + ((unsigned) b_dynamic & m))->b; j = (td = tl + ((unsigned) b_dynamic & m))->b;
@ -759,10 +766,10 @@ static int inflate_block(int *e)
j = td->v.n; j = td->v.n;
if (j < 16) { /* length of code in bits (0..15) */ if (j < 16) { /* length of code in bits (0..15) */
ll[i++] = l = j; /* save last length in l */ ll[i++] = l = j; /* save last length in l */
} } else if (j == 16) { /* repeat last length 3 to 6 times */
else if (j == 16) { /* repeat last length 3 to 6 times */
while (k_dynamic < 2) { while (k_dynamic < 2) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 3 + ((unsigned) b_dynamic & 3); j = 3 + ((unsigned) b_dynamic & 3);
@ -776,7 +783,8 @@ static int inflate_block(int *e)
} }
} else if (j == 17) { /* 3 to 10 zero length codes */ } else if (j == 17) { /* 3 to 10 zero length codes */
while (k_dynamic < 3) { while (k_dynamic < 3) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 3 + ((unsigned) b_dynamic & 7); j = 3 + ((unsigned) b_dynamic & 7);
@ -791,7 +799,8 @@ static int inflate_block(int *e)
l = 0; l = 0;
} else { /* j == 18: 11 to 138 zero length codes */ } else { /* j == 18: 11 to 138 zero length codes */
while (k_dynamic < 7) { while (k_dynamic < 7) {
b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic; b_dynamic |=
((unsigned long) fgetc(in_file)) << k_dynamic;
k_dynamic += 8; k_dynamic += 8;
} }
j = 11 + ((unsigned) b_dynamic & 0x7f); j = 11 + ((unsigned) b_dynamic & 0x7f);
@ -853,7 +862,7 @@ static int inflate_block(int *e)
* *
* GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr * GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr
*/ */
extern int inflate(FILE *in, FILE *out) extern int inflate(FILE * in, FILE * out)
{ {
int e; /* last block flag */ int e; /* last block flag */
int r; /* result code */ int r; /* result code */
@ -868,7 +877,7 @@ extern int inflate(FILE *in, FILE *out)
out_file = out; out_file = out;
/* Allocate all global buffers (for DYN_ALLOC option) */ /* Allocate all global buffers (for DYN_ALLOC option) */
window = xmalloc((size_t)(((2L*WSIZE)+1L)*sizeof(unsigned char))); window = xmalloc((size_t) (((2L * WSIZE) + 1L) * sizeof(unsigned char)));
bytes_out = 0L; bytes_out = 0L;
/* Create the crc table */ /* Create the crc table */
@ -910,40 +919,35 @@ extern int inflate(FILE *in, FILE *out)
* The magic header has already been checked. The output buffer is cleared. * The magic header has already been checked. The output buffer is cleared.
* in, out: input and output file descriptors * in, out: input and output file descriptors
*/ */
extern int unzip(FILE *l_in_file, FILE *l_out_file) extern int unzip(FILE * l_in_file, FILE * l_out_file)
{ {
unsigned char buf[8]; /* extended local header */ unsigned char buf[8]; /* extended local header */
unsigned char flags; /* compression flags */ unsigned char flags; /* compression flags */
typedef void (*sig_type) (int); typedef void (*sig_type) (int);
unsigned short i; unsigned short i;
unsigned char magic [2]; unsigned char magic[2];
if (signal(SIGINT, SIG_IGN) != SIG_IGN) { if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
(void) signal(SIGINT, (sig_type) abort_gzip); (void) signal(SIGINT, (sig_type) abort_gzip);
} }
#ifdef SIGTERM
// if (signal(SIGTERM, SIG_IGN) != SIG_IGN) {
// (void) signal(SIGTERM, (sig_type) abort_gzip);
// }
#endif
#ifdef SIGHUP #ifdef SIGHUP
if (signal(SIGHUP, SIG_IGN) != SIG_IGN) { if (signal(SIGHUP, SIG_IGN) != SIG_IGN) {
(void) signal(SIGHUP, (sig_type) abort_gzip); (void) signal(SIGHUP, (sig_type) abort_gzip);
} }
#endif #endif
magic [0] = fgetc(l_in_file); magic[0] = fgetc(l_in_file);
magic [1] = fgetc(l_in_file); magic[1] = fgetc(l_in_file);
#ifdef CONFIG_FEATURE_UNCOMPRESS #ifdef CONFIG_FEATURE_UNCOMPRESS
/* Magic header for compress files, 1F 9d = \037\235 */ /* Magic header for compress files, 1F 9d = \037\235 */
if (( magic [0] == 0x1F ) && ( magic [1] == 0x9d)) { if ((magic[0] == 0x1F) && (magic[1] == 0x9d)) {
return uncompress ( l_in_file, l_out_file ); return uncompress(l_in_file, l_out_file);
} }
#endif #endif
/* Magic header for gzip files, 1F 8B = \037\213 */ /* Magic header for gzip files, 1F 8B = \037\213 */
if (( magic [0] != 0x1F ) || ( magic [1] != 0x8b)) { if ((magic[0] != 0x1F) || (magic[1] != 0x8b)) {
error_msg("Invalid gzip magic"); error_msg("Invalid gzip magic");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
@ -951,7 +955,7 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
/* Check the compression method */ /* Check the compression method */
if (fgetc(l_in_file) != 8) { if (fgetc(l_in_file) != 8) {
error_msg("Unknown compression method"); error_msg("Unknown compression method");
return(-1); return (-1);
} }
flags = (unsigned char) fgetc(l_in_file); flags = (unsigned char) fgetc(l_in_file);
@ -963,7 +967,8 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
if (flags & 0x04) { if (flags & 0x04) {
/* bit 2 set: extra field present */ /* bit 2 set: extra field present */
const unsigned short extra = fgetc(l_in_file) + (fgetc(l_in_file) << 8); const unsigned short extra =
fgetc(l_in_file) + (fgetc(l_in_file) << 8);
for (i = 0; i < extra; i++) { for (i = 0; i < extra; i++) {
fgetc(l_in_file); fgetc(l_in_file);
@ -994,11 +999,14 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
fread(buf, 1, 8, l_in_file); fread(buf, 1, 8, l_in_file);
/* Validate decompression - crc */ /* Validate decompression - crc */
if ((unsigned int)((buf[0] | (buf[1] << 8)) |((buf[2] | (buf[3] << 8)) << 16)) != (crc ^ 0xffffffffL)) { if ((unsigned int) ((buf[0] | (buf[1] << 8)) |
((buf[2] | (buf[3] << 8)) << 16)) !=
(crc ^ 0xffffffffL)) {
error_msg("invalid compressed data--crc error"); error_msg("invalid compressed data--crc error");
} }
/* Validate decompression - size */ /* Validate decompression - size */
if (((buf[4] | (buf[5] << 8)) |((buf[6] | (buf[7] << 8)) << 16)) != (unsigned long) bytes_out) { if (((buf[4] | (buf[5] << 8)) | ((buf[6] | (buf[7] << 8)) << 16)) !=
(unsigned long) bytes_out) {
error_msg("invalid compressed data--length error"); error_msg("invalid compressed data--length error");
} }
@ -1011,7 +1019,8 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
extern void gz_close(int gunzip_pid) extern void gz_close(int gunzip_pid)
{ {
if (kill(gunzip_pid, SIGTERM) == -1) { if (kill(gunzip_pid, SIGTERM) == -1) {
error_msg_and_die("*** Couldnt kill old gunzip process *** aborting"); error_msg_and_die
("*** Couldnt kill old gunzip process *** aborting");
} }
if (waitpid(gunzip_pid, NULL, 0) == -1) { if (waitpid(gunzip_pid, NULL, 0) == -1) {

2799
shell/ash.c
View File

File diff suppressed because it is too large Load Diff

24
sysklogd/klogd.c
View File

@ -54,13 +54,13 @@ static void klogd_signal(int sig)
{ {
klogctl(7, NULL, 0); klogctl(7, NULL, 0);
klogctl(0, 0, 0); klogctl(0, 0, 0);
//logMessage(0, "Kernel log daemon exiting."); /* logMessage(0, "Kernel log daemon exiting."); */
syslog_msg(LOG_DAEMON, 0, "Kernel log daemon exiting."); syslog_msg(LOG_DAEMON, 0, "Kernel log daemon exiting.");
exit(TRUE); exit(TRUE);
} }
static void doKlogd (void) __attribute__ ((noreturn)); static void doKlogd(void) __attribute__ ((noreturn));
static void doKlogd (void) static void doKlogd(void)
{ {
int priority = LOG_INFO; int priority = LOG_INFO;
char log_buffer[4096]; char log_buffer[4096];
@ -87,30 +87,32 @@ static void doKlogd (void)
if (errno == EINTR) if (errno == EINTR)
continue; continue;
snprintf(message, 79, "klogd: Error return from sys_sycall: %d - %s.\n", snprintf(message, 79,
errno, strerror(errno)); "klogd: Error return from sys_sycall: %d - %s.\n", errno,
strerror(errno));
syslog_msg(LOG_DAEMON, LOG_SYSLOG | LOG_ERR, message); syslog_msg(LOG_DAEMON, LOG_SYSLOG | LOG_ERR, message);
exit(1); exit(1);
} }
/* klogctl buffer parsing modelled after code in dmesg.c */ /* klogctl buffer parsing modelled after code in dmesg.c */
start=&log_buffer[0]; start = &log_buffer[0];
lastc='\0'; lastc = '\0';
for (i=0; i<n; i++) { for (i = 0; i < n; i++) {
if (lastc == '\0' && log_buffer[i] == '<') { if (lastc == '\0' && log_buffer[i] == '<') {
priority = 0; priority = 0;
i++; i++;
while (isdigit(log_buffer[i])) { while (isdigit(log_buffer[i])) {
priority = priority*10+(log_buffer[i]-'0'); priority = priority * 10 + (log_buffer[i] - '0');
i++; i++;
} }
if (log_buffer[i] == '>') i++; if (log_buffer[i] == '>')
i++;
start = &log_buffer[i]; start = &log_buffer[i];
} }
if (log_buffer[i] == '\n') { if (log_buffer[i] == '\n') {
log_buffer[i] = '\0'; /* zero terminate this message */ log_buffer[i] = '\0'; /* zero terminate this message */
syslog_msg(LOG_DAEMON, LOG_KERN | priority, start); syslog_msg(LOG_DAEMON, LOG_KERN | priority, start);
start = &log_buffer[i+1]; start = &log_buffer[i + 1];
priority = LOG_INFO; priority = LOG_INFO;
} }
lastc = log_buffer[i]; lastc = log_buffer[i];

132
util-linux/mount.c
View File

@ -81,13 +81,13 @@ enum {
static int use_loop = FALSE; static int use_loop = FALSE;
#endif #endif
extern int mount (__const char *__special_file, __const char *__dir, extern int mount(__const char *__special_file, __const char *__dir,
__const char *__fstype, unsigned long int __rwflag, __const char *__fstype, unsigned long int __rwflag,
__const void *__data); __const void *__data);
extern int umount (__const char *__special_file); extern int umount(__const char *__special_file);
extern int umount2 (__const char *__special_file, int __flags); extern int umount2(__const char *__special_file, int __flags);
extern int sysfs( int option, unsigned int fs_index, char * buf); extern int sysfs(int option, unsigned int fs_index, char *buf);
extern const char mtab_file[]; /* Defined in utility.c */ extern const char mtab_file[]; /* Defined in utility.c */
@ -125,14 +125,14 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
char *mtab_opts, int mount_all) char *mtab_opts, int mount_all)
{ {
int status = 0; int status = 0;
#if defined CONFIG_FEATURE_MOUNT_LOOP #if defined CONFIG_FEATURE_MOUNT_LOOP
char *lofile = NULL; char *lofile = NULL;
#endif #endif
if (! fakeIt) if (!fakeIt) {
{
#if defined CONFIG_FEATURE_MOUNT_LOOP #if defined CONFIG_FEATURE_MOUNT_LOOP
if (use_loop==TRUE) { if (use_loop == TRUE) {
int loro = flags & MS_RDONLY; int loro = flags & MS_RDONLY;
lofile = specialfile; lofile = specialfile;
@ -152,8 +152,10 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
#endif #endif
status = mount(specialfile, dir, filesystemtype, flags, string_flags); status = mount(specialfile, dir, filesystemtype, flags, string_flags);
if (status < 0 && errno == EROFS) { if (status < 0 && errno == EROFS) {
error_msg("%s is write-protected, mounting read-only", specialfile); error_msg("%s is write-protected, mounting read-only",
status = mount(specialfile, dir, filesystemtype, flags |= MS_RDONLY, string_flags); specialfile);
status = mount(specialfile, dir, filesystemtype, flags |=
MS_RDONLY, string_flags);
} }
/* Don't whine about already mounted filesystems when mounting all. */ /* Don't whine about already mounted filesystems when mounting all. */
if (status < 0 && errno == EBUSY && mount_all) if (status < 0 && errno == EBUSY && mount_all)
@ -162,11 +164,11 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
/* If the mount was sucessful, do anything needed, then return TRUE */ /* If the mount was sucessful, do anything needed, then return TRUE */
if (status == 0 || fakeIt==TRUE) { if (status == 0 || fakeIt == TRUE) {
#if defined CONFIG_FEATURE_MTAB_SUPPORT #if defined CONFIG_FEATURE_MTAB_SUPPORT
if (useMtab) { if (useMtab) {
erase_mtab(specialfile); // Clean any stale entries erase_mtab(specialfile); /* Clean any stale entries */
write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts); write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts);
} }
#endif #endif
@ -190,13 +192,12 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
static void paste_str(char **s1, const char *s2) static void paste_str(char **s1, const char *s2)
{ {
*s1 = xrealloc(*s1, strlen(*s1)+strlen(s2)+1); *s1 = xrealloc(*s1, strlen(*s1) + strlen(s2) + 1);
strcat(*s1, s2); strcat(*s1, s2);
} }
/* Seperate standard mount options from the nonstandard string options */ /* Seperate standard mount options from the nonstandard string options */
static void static void parse_mount_options(char *options, int *flags, char **strflags)
parse_mount_options(char *options, int *flags, char **strflags)
{ {
while (options) { while (options) {
int gotone = FALSE; int gotone = FALSE;
@ -222,7 +223,7 @@ parse_mount_options(char *options, int *flags, char **strflags)
gotone = TRUE; gotone = TRUE;
} }
#endif #endif
if (! gotone) { if (!gotone) {
if (**strflags) /* have previous parsed options */ if (**strflags) /* have previous parsed options */
paste_str(strflags, ","); paste_str(strflags, ",");
paste_str(strflags, options); paste_str(strflags, options);
@ -245,17 +246,20 @@ mount_one(char *blockDevice, char *directory, char *filesystemType,
#if defined CONFIG_FEATURE_USE_DEVPS_PATCH #if defined CONFIG_FEATURE_USE_DEVPS_PATCH
if (strcmp(filesystemType, "auto") == 0) { if (strcmp(filesystemType, "auto") == 0) {
static const char *noauto_array[] = { "tmpfs", "shm", "proc", "ramfs", "devpts", "devfs", "usbdevfs", 0 }; static const char *noauto_array[] =
{ "tmpfs", "shm", "proc", "ramfs", "devpts", "devfs", "usbdevfs",
0 };
const char **noauto_fstype; const char **noauto_fstype;
const int num_of_filesystems = sysfs(3, 0, 0); const int num_of_filesystems = sysfs(3, 0, 0);
char buf[255]; char buf[255];
int i=0; int i = 0;
filesystemType=buf; filesystemType = buf;
while(i < num_of_filesystems) { while (i < num_of_filesystems) {
sysfs(2, i++, filesystemType); sysfs(2, i++, filesystemType);
for (noauto_fstype = noauto_array; *noauto_fstype; noauto_fstype++) { for (noauto_fstype = noauto_array; *noauto_fstype;
noauto_fstype++) {
if (!strcmp(filesystemType, *noauto_fstype)) { if (!strcmp(filesystemType, *noauto_fstype)) {
break; break;
} }
@ -275,26 +279,27 @@ mount_one(char *blockDevice, char *directory, char *filesystemType,
FILE *f; FILE *f;
int read_proc = 0; int read_proc = 0;
f = fopen ( "/etc/filesystems", "r" ); f = fopen("/etc/filesystems", "r");
if ( f ) { if (f) {
while ( fgets ( buf, sizeof( buf ), f )) { while (fgets(buf, sizeof(buf), f)) {
if ( *buf == '*' ) if (*buf == '*')
read_proc = 1; read_proc = 1;
else if ( *buf == '#' ) else if (*buf == '#')
continue; continue;
else { else {
filesystemType = buf; filesystemType = buf;
// Add NULL termination to each line /* Add NULL termination to each line */
while (*filesystemType && !isspace ( *filesystemType )) while (*filesystemType && !isspace(*filesystemType))
filesystemType++; filesystemType++;
*filesystemType = '\0'; *filesystemType = '\0';
filesystemType = buf; filesystemType = buf;
if ( xstrlen ( filesystemType )) { if (xstrlen(filesystemType)) {
status = do_mount(blockDevice, directory, filesystemType, status =
do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags, flags | MS_MGC_VAL, string_flags,
useMtab, fakeIt, mtab_opts, mount_all); useMtab, fakeIt, mtab_opts, mount_all);
if (status) if (status)
@ -303,23 +308,23 @@ mount_one(char *blockDevice, char *directory, char *filesystemType,
} }
} }
fclose ( f ); fclose(f);
} }
if (( !f || read_proc ) && !status ) { if ((!f || read_proc) && !status) {
f = xfopen("/proc/filesystems", "r"); f = xfopen("/proc/filesystems", "r");
while (fgets(buf, sizeof(buf), f) != NULL) { while (fgets(buf, sizeof(buf), f) != NULL) {
filesystemType = buf; filesystemType = buf;
if (*filesystemType == '\t') { // Not a nodev filesystem if (*filesystemType == '\t') { /* Not a nodev filesystem */
// Add NULL termination to each line /* Add NULL termination to each line */
while (*filesystemType && *filesystemType != '\n') while (*filesystemType && *filesystemType != '\n')
filesystemType++; filesystemType++;
*filesystemType = '\0'; *filesystemType = '\0';
filesystemType = buf; filesystemType = buf;
filesystemType++; // hop past tab filesystemType++; /* hop past tab */
status = do_mount(blockDevice, directory, filesystemType, status = do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags, flags | MS_MGC_VAL, string_flags,
@ -338,7 +343,7 @@ mount_one(char *blockDevice, char *directory, char *filesystemType,
fakeIt, mtab_opts, mount_all); fakeIt, mtab_opts, mount_all);
} }
if (! status) { if (!status) {
if (whineOnErrors) { if (whineOnErrors) {
perror_msg("Mounting %s on %s failed", blockDevice, directory); perror_msg("Mounting %s on %s failed", blockDevice, directory);
} }
@ -361,18 +366,19 @@ static void show_mounts(char *onlytype)
/* How many mounted filesystems? We need to know to /* How many mounted filesystems? We need to know to
* allocate enough space for later... */ * allocate enough space for later... */
numfilesystems = ioctl (fd, DEVMTAB_COUNT_MOUNTS); numfilesystems = ioctl(fd, DEVMTAB_COUNT_MOUNTS);
if (numfilesystems<0) if (numfilesystems < 0)
perror_msg_and_die( "\nDEVMTAB_COUNT_MOUNTS"); perror_msg_and_die("\nDEVMTAB_COUNT_MOUNTS");
mntentlist = (struct k_mntent *) xcalloc ( numfilesystems, sizeof(struct k_mntent)); mntentlist =
(struct k_mntent *) xcalloc(numfilesystems, sizeof(struct k_mntent));
/* Grab the list of mounted filesystems */ /* Grab the list of mounted filesystems */
if (ioctl (fd, DEVMTAB_GET_MOUNTS, mntentlist)<0) if (ioctl(fd, DEVMTAB_GET_MOUNTS, mntentlist) < 0)
perror_msg_and_die( "\nDEVMTAB_GET_MOUNTS"); perror_msg_and_die("\nDEVMTAB_GET_MOUNTS");
for( i = 0 ; i < numfilesystems ; i++) { for (i = 0; i < numfilesystems; i++) {
if ( !onlytype || ( strcmp ( mntentlist[i].mnt_type, onlytype ) == 0 )) { if (!onlytype || (strcmp(mntentlist[i].mnt_type, onlytype) == 0)) {
printf( "%s %s %s %s %d %d\n", mntentlist[i].mnt_fsname, printf("%s %s %s %s %d %d\n", mntentlist[i].mnt_fsname,
mntentlist[i].mnt_dir, mntentlist[i].mnt_type, mntentlist[i].mnt_dir, mntentlist[i].mnt_type,
mntentlist[i].mnt_opts, mntentlist[i].mnt_freq, mntentlist[i].mnt_opts, mntentlist[i].mnt_freq,
mntentlist[i].mnt_passno); mntentlist[i].mnt_passno);
@ -381,7 +387,7 @@ static void show_mounts(char *onlytype)
#ifdef CONFIG_FEATURE_CLEAN_UP #ifdef CONFIG_FEATURE_CLEAN_UP
/* Don't bother to close files or free memory. Exit /* Don't bother to close files or free memory. Exit
* does that automagically, so we can save a few bytes */ * does that automagically, so we can save a few bytes */
free( mntentlist); free(mntentlist);
close(fd); close(fd);
#endif #endif
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
@ -393,15 +399,16 @@ static void show_mounts(char *onlytype)
while ((m = getmntent(mountTable)) != 0) { while ((m = getmntent(mountTable)) != 0) {
char *blockDevice = m->mnt_fsname; char *blockDevice = m->mnt_fsname;
if (strcmp(blockDevice, "/dev/root") == 0) { if (strcmp(blockDevice, "/dev/root") == 0) {
blockDevice = find_real_root_device_name(blockDevice); blockDevice = find_real_root_device_name(blockDevice);
} }
if ( !onlytype || ( strcmp ( m-> mnt_type, onlytype ) == 0 )) { if (!onlytype || (strcmp(m->mnt_type, onlytype) == 0)) {
printf("%s on %s type %s (%s)\n", blockDevice, m->mnt_dir, printf("%s on %s type %s (%s)\n", blockDevice, m->mnt_dir,
m->mnt_type, m->mnt_opts); m->mnt_type, m->mnt_opts);
} }
#ifdef CONFIG_FEATURE_CLEAN_UP #ifdef CONFIG_FEATURE_CLEAN_UP
if(blockDevice != m->mnt_fsname) if (blockDevice != m->mnt_fsname)
free(blockDevice); free(blockDevice);
#endif #endif
} }
@ -470,6 +477,7 @@ extern int mount_main(int argc, char **argv)
/* if device is a filename get its real path */ /* if device is a filename get its real path */
if (stat(argv[optind], &statbuf) == 0) { if (stat(argv[optind], &statbuf) == 0) {
char *tmp = simplify_path(argv[optind]); char *tmp = simplify_path(argv[optind]);
safe_strncpy(device, tmp, PATH_MAX); safe_strncpy(device, tmp, PATH_MAX);
} else { } else {
safe_strncpy(device, argv[optind], PATH_MAX); safe_strncpy(device, argv[optind], PATH_MAX);
@ -483,23 +491,24 @@ extern int mount_main(int argc, char **argv)
f = setmntent("/etc/fstab", "r"); f = setmntent("/etc/fstab", "r");
if (f == NULL) if (f == NULL)
perror_msg_and_die( "\nCannot read /etc/fstab"); perror_msg_and_die("\nCannot read /etc/fstab");
while ((m = getmntent(f)) != NULL) { while ((m = getmntent(f)) != NULL) {
if (! all && optind + 1 == argc && ( if (!all && optind + 1 == argc && ((strcmp(device, m->mnt_fsname)
(strcmp(device, m->mnt_fsname) != 0) && != 0)
(strcmp(device, m->mnt_dir) != 0) ) ) { && (strcmp(device, m->mnt_dir)
!= 0))) {
continue; continue;
} }
if (all && ( // If we're mounting 'all' if (all && ( /* If we're mounting 'all' */
(strstr(m->mnt_opts, "noauto")) || // and the file system isn't noauto, (strstr(m->mnt_opts, "noauto")) || /* and the file system isn't noauto, */
(strstr(m->mnt_type, "swap")) || // and isn't swap or nfs, then mount it (strstr(m->mnt_type, "swap")) || /* and isn't swap or nfs, then mount it */
(strstr(m->mnt_type, "nfs")) ) ) { (strstr(m->mnt_type, "nfs")))) {
continue; continue;
} }
if (all || flags == 0) { // Allow single mount to override fstab flags if (all || flags == 0) { /* Allow single mount to override fstab flags */
flags = 0; flags = 0;
string_flags[0] = 0; string_flags[0] = 0;
parse_mount_options(m->mnt_opts, &flags, &string_flags); parse_mount_options(m->mnt_opts, &flags, &string_flags);
@ -508,13 +517,13 @@ extern int mount_main(int argc, char **argv)
strcpy(device, m->mnt_fsname); strcpy(device, m->mnt_fsname);
strcpy(directory, m->mnt_dir); strcpy(directory, m->mnt_dir);
filesystemType = xstrdup(m->mnt_type); filesystemType = xstrdup(m->mnt_type);
singlemount: singlemount:
extra_opts = string_flags; extra_opts = string_flags;
rc = EXIT_SUCCESS; rc = EXIT_SUCCESS;
#ifdef CONFIG_NFSMOUNT #ifdef CONFIG_NFSMOUNT
if (strchr(device, ':') != NULL) { if (strchr(device, ':') != NULL) {
filesystemType = "nfs"; filesystemType = "nfs";
if (nfsmount (device, directory, &flags, &extra_opts, if (nfsmount(device, directory, &flags, &extra_opts,
&string_flags, 1)) { &string_flags, 1)) {
perror_msg("nfsmount failed"); perror_msg("nfsmount failed");
rc = EXIT_FAILURE; rc = EXIT_FAILURE;
@ -522,16 +531,17 @@ singlemount:
} }
#endif #endif
if (!mount_one(device, directory, filesystemType, flags, if (!mount_one(device, directory, filesystemType, flags,
string_flags, useMtab, fakeIt, extra_opts, TRUE, all)) string_flags, useMtab, fakeIt, extra_opts, TRUE,
all))
rc = EXIT_FAILURE; rc = EXIT_FAILURE;
if (! all) if (!all)
break; break;
} }
if (f) if (f)
endmntent(f); endmntent(f);
if (! all && f && m == NULL) if (!all && f && m == NULL)
fprintf(stderr, "Can't find %s in /etc/fstab\n", device); fprintf(stderr, "Can't find %s in /etc/fstab\n", device);
return rc; return rc;