Maybe works now...

-Erik
This commit is contained in:
Eric Andersen 1999-11-10 19:27:58 +00:00
parent 3e2bb288da
commit 5556c1874b
2 changed files with 82 additions and 80 deletions

View File

@ -40,10 +40,10 @@
* Some time this should be integrated a bit better, but this
* does the job for now.
*/
#undef FALSE
#undef TRUE
#define FALSE ((int) 0)
#define TRUE ((int) 1)
//#undef FALSE
//#undef TRUE
//#define FALSE ((int) 0)
//#define TRUE ((int) 1)
static const char tar_usage[] =
@ -96,18 +96,18 @@ typedef struct {
/*
* Static data.
*/
static int listFlag;
static int extractFlag;
static int createFlag;
static int verboseFlag;
static int tostdoutFlag;
static int listFlag; //
static int extractFlag; //
static int createFlag; //
static int verboseFlag; //
static int tostdoutFlag; //
static int inHeader;
static int badHeader;
static int errorFlag;
static int skipFileFlag;
static int warnedRoot;
static int eofFlag;
static int inHeader; // <- check me
static int badHeader; //
static int errorFlag; //
static int skipFileFlag; //
static int warnedRoot; //
static int eofFlag; //
static long dataCc;
static int outFd;
static char outName[TAR_NAME_SIZE];
@ -136,7 +136,7 @@ static void readHeader (const TarHeader * hp,
/*
* Local procedures to save files into a tar file.
*/
static void saveFile (const char *fileName, int seeLinks);
static void saveFile (const char *fileName, int seeLinks); //
static void saveRegularFile (const char *fileName,
const struct stat *statbuf);
@ -145,13 +145,13 @@ static void saveDirectory (const char *fileName,
const struct stat *statbuf);
static int wantFileName (const char *fileName,
int fileCount, char **fileTable);
int fileCount, char **fileTable); //
static void writeHeader (const char *fileName, const struct stat *statbuf);
static void writeTarFile (int fileCount, char **fileTable);
static void writeTarBlock (const char *buf, int len);
static int putOctal (char *cp, int len, long value);
static int putOctal (char *cp, int len, long value); //
extern int tar_main (int argc, char **argv)
@ -230,7 +230,8 @@ extern int tar_main (int argc, char **argv)
/*
* Validate the options.
*/
if (extractFlag + listFlag + createFlag != 1) {
fprintf(stderr, "TRUE=%d FALSE=%d\n", TRUE, FALSE);
if (extractFlag + listFlag + createFlag != (TRUE+FALSE+FALSE)) {
fprintf (stderr,
"Exactly one of 'c', 'x' or 't' must be specified\n");
@ -241,13 +242,13 @@ extern int tar_main (int argc, char **argv)
* Do the correct type of action supplying the rest of the
* command line arguments as the list of files to process.
*/
if (createFlag)
if (createFlag==TRUE)
writeTarFile (argc, argv);
else
readTarFile (argc, argv);
if (errorFlag)
if (errorFlag==TRUE)
fprintf (stderr, "\n");
exit (errorFlag);
exit (!errorFlag);
}
@ -292,7 +293,7 @@ static void readTarFile (int fileCount, char **fileTable)
* Read blocks from the file until an end of file header block
* has been seen. (A real end of file from a read is an error.)
*/
while (!eofFlag) {
while (eofFlag==FALSE) {
/*
* Read the next block of data if necessary.
* This will be a large block if possible, which we will
@ -319,7 +320,7 @@ static void readTarFile (int fileCount, char **fileTable)
/*
* If we are expecting a header block then examine it.
*/
if (inHeader) {
if (inHeader==TRUE) {
readHeader ((const TarHeader *) cp, fileCount, fileTable);
cp += TAR_BLOCK_SIZE;
@ -419,7 +420,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
checkSum = getOctal (hp->checkSum, sizeof (hp->checkSum));
if ((mode < 0) || (uid < 0) || (gid < 0) || (size < 0)) {
if (!badHeader)
if (badHeader==FALSE)
fprintf (stderr, "Bad tar header, skipping\n");
badHeader = TRUE;
@ -455,7 +456,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
while (*name == '/')
name++;
if (!warnedRoot) {
if (warnedRoot==FALSE) {
fprintf (stderr,
"Absolute path detected, removing leading slashes\n");
}
@ -467,9 +468,9 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
* See if we want this file to be restored.
* If not, then set up to skip it.
*/
if (!wantFileName (name, fileCount, fileTable)) {
if (wantFileName (name, fileCount, fileTable) == FALSE) {
if (!hardLink && !softLink && S_ISREG (mode)) {
inHeader = (size == 0);
inHeader = (size == 0)? TRUE : FALSE;
dataCc = size;
}
@ -482,8 +483,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
* This file is to be handled.
* If we aren't extracting then just list information about the file.
*/
if (!extractFlag) {
if (verboseFlag) {
if (extractFlag==FALSE) {
if (verboseFlag==TRUE) {
printf ("%s %3d/%-d %9ld %s %s", modeString (mode),
uid, gid, size, timeString (mtime), name);
} else
@ -494,7 +495,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
else if (softLink)
printf (" (symlink to \"%s\")", hp->linkName);
else if (S_ISREG (mode)) {
inHeader = (size == 0);
inHeader = (size == 0)? TRUE : FALSE;
dataCc = size;
}
@ -506,7 +507,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
/*
* We really want to extract the file.
*/
if (verboseFlag)
if (verboseFlag==TRUE)
printf ("x %s\n", name);
if (hardLink) {
@ -541,7 +542,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
*/
createPath (name, 0777);
inHeader = (size == 0);
inHeader = (size == 0)? TRUE : FALSE;
dataCc = size;
/*
@ -587,7 +588,7 @@ static void readData (const char *cp, int count)
* If we aren't extracting files or this file is being
* skipped then do nothing more.
*/
if (!extractFlag || skipFileFlag)
if (extractFlag==FALSE || skipFileFlag==TRUE)
return;
/*
@ -662,7 +663,7 @@ static void writeTarFile (int fileCount, char **fileTable)
* Append each file name into the archive file.
* Follow symbolic links for these top level file names.
*/
while (!errorFlag && (fileCount-- > 0)) {
while (errorFlag==FALSE && (fileCount-- > 0)) {
saveFile (*fileTable++, FALSE);
}
@ -694,7 +695,7 @@ static void saveFile (const char *fileName, int seeLinks)
int mode;
struct stat statbuf;
if (verboseFlag)
if (verboseFlag==TRUE)
printf ("a %s\n", fileName);
/*
@ -710,7 +711,7 @@ static void saveFile (const char *fileName, int seeLinks)
* Find out about the file.
*/
#ifdef S_ISLNK
if (seeLinks)
if (seeLinks==TRUE)
status = lstat (fileName, &statbuf);
else
#endif
@ -810,7 +811,7 @@ saveRegularFile (const char *fileName, const struct stat *statbuf)
*/
cc = 0;
if (!sawEof) {
if (sawEof==FALSE) {
cc = fullRead (fileFd, data, dataCount);
if (cc < 0) {
@ -899,7 +900,7 @@ static void saveDirectory (const char *dirName, const struct stat *statbuf)
* Read all of the directory entries and check them,
* except for the current and parent directory entries.
*/
while (!errorFlag && ((entry = readdir (dir)) != NULL)) {
while (errorFlag==FALSE && ((entry = readdir (dir)) != NULL)) {
if ((strcmp (entry->d_name, ".") == 0) ||
(strcmp (entry->d_name, "..") == 0)) {
continue;
@ -998,7 +999,7 @@ static void writeTarBlock (const char *buf, int len)
/*
* If we had a write error before, then do nothing more.
*/
if (errorFlag)
if (errorFlag==TRUE)
return;
/*

81
tar.c
View File

@ -40,10 +40,10 @@
* Some time this should be integrated a bit better, but this
* does the job for now.
*/
#undef FALSE
#undef TRUE
#define FALSE ((int) 0)
#define TRUE ((int) 1)
//#undef FALSE
//#undef TRUE
//#define FALSE ((int) 0)
//#define TRUE ((int) 1)
static const char tar_usage[] =
@ -96,18 +96,18 @@ typedef struct {
/*
* Static data.
*/
static int listFlag;
static int extractFlag;
static int createFlag;
static int verboseFlag;
static int tostdoutFlag;
static int listFlag; //
static int extractFlag; //
static int createFlag; //
static int verboseFlag; //
static int tostdoutFlag; //
static int inHeader;
static int badHeader;
static int errorFlag;
static int skipFileFlag;
static int warnedRoot;
static int eofFlag;
static int inHeader; // <- check me
static int badHeader; //
static int errorFlag; //
static int skipFileFlag; //
static int warnedRoot; //
static int eofFlag; //
static long dataCc;
static int outFd;
static char outName[TAR_NAME_SIZE];
@ -136,7 +136,7 @@ static void readHeader (const TarHeader * hp,
/*
* Local procedures to save files into a tar file.
*/
static void saveFile (const char *fileName, int seeLinks);
static void saveFile (const char *fileName, int seeLinks); //
static void saveRegularFile (const char *fileName,
const struct stat *statbuf);
@ -145,13 +145,13 @@ static void saveDirectory (const char *fileName,
const struct stat *statbuf);
static int wantFileName (const char *fileName,
int fileCount, char **fileTable);
int fileCount, char **fileTable); //
static void writeHeader (const char *fileName, const struct stat *statbuf);
static void writeTarFile (int fileCount, char **fileTable);
static void writeTarBlock (const char *buf, int len);
static int putOctal (char *cp, int len, long value);
static int putOctal (char *cp, int len, long value); //
extern int tar_main (int argc, char **argv)
@ -230,7 +230,8 @@ extern int tar_main (int argc, char **argv)
/*
* Validate the options.
*/
if (extractFlag + listFlag + createFlag != 1) {
fprintf(stderr, "TRUE=%d FALSE=%d\n", TRUE, FALSE);
if (extractFlag + listFlag + createFlag != (TRUE+FALSE+FALSE)) {
fprintf (stderr,
"Exactly one of 'c', 'x' or 't' must be specified\n");
@ -241,13 +242,13 @@ extern int tar_main (int argc, char **argv)
* Do the correct type of action supplying the rest of the
* command line arguments as the list of files to process.
*/
if (createFlag)
if (createFlag==TRUE)
writeTarFile (argc, argv);
else
readTarFile (argc, argv);
if (errorFlag)
if (errorFlag==TRUE)
fprintf (stderr, "\n");
exit (errorFlag);
exit (!errorFlag);
}
@ -292,7 +293,7 @@ static void readTarFile (int fileCount, char **fileTable)
* Read blocks from the file until an end of file header block
* has been seen. (A real end of file from a read is an error.)
*/
while (!eofFlag) {
while (eofFlag==FALSE) {
/*
* Read the next block of data if necessary.
* This will be a large block if possible, which we will
@ -319,7 +320,7 @@ static void readTarFile (int fileCount, char **fileTable)
/*
* If we are expecting a header block then examine it.
*/
if (inHeader) {
if (inHeader==TRUE) {
readHeader ((const TarHeader *) cp, fileCount, fileTable);
cp += TAR_BLOCK_SIZE;
@ -419,7 +420,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
checkSum = getOctal (hp->checkSum, sizeof (hp->checkSum));
if ((mode < 0) || (uid < 0) || (gid < 0) || (size < 0)) {
if (!badHeader)
if (badHeader==FALSE)
fprintf (stderr, "Bad tar header, skipping\n");
badHeader = TRUE;
@ -455,7 +456,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
while (*name == '/')
name++;
if (!warnedRoot) {
if (warnedRoot==FALSE) {
fprintf (stderr,
"Absolute path detected, removing leading slashes\n");
}
@ -467,9 +468,9 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
* See if we want this file to be restored.
* If not, then set up to skip it.
*/
if (!wantFileName (name, fileCount, fileTable)) {
if (wantFileName (name, fileCount, fileTable) == FALSE) {
if (!hardLink && !softLink && S_ISREG (mode)) {
inHeader = (size == 0);
inHeader = (size == 0)? TRUE : FALSE;
dataCc = size;
}
@ -482,8 +483,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
* This file is to be handled.
* If we aren't extracting then just list information about the file.
*/
if (!extractFlag) {
if (verboseFlag) {
if (extractFlag==FALSE) {
if (verboseFlag==TRUE) {
printf ("%s %3d/%-d %9ld %s %s", modeString (mode),
uid, gid, size, timeString (mtime), name);
} else
@ -494,7 +495,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
else if (softLink)
printf (" (symlink to \"%s\")", hp->linkName);
else if (S_ISREG (mode)) {
inHeader = (size == 0);
inHeader = (size == 0)? TRUE : FALSE;
dataCc = size;
}
@ -506,7 +507,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
/*
* We really want to extract the file.
*/
if (verboseFlag)
if (verboseFlag==TRUE)
printf ("x %s\n", name);
if (hardLink) {
@ -541,7 +542,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
*/
createPath (name, 0777);
inHeader = (size == 0);
inHeader = (size == 0)? TRUE : FALSE;
dataCc = size;
/*
@ -587,7 +588,7 @@ static void readData (const char *cp, int count)
* If we aren't extracting files or this file is being
* skipped then do nothing more.
*/
if (!extractFlag || skipFileFlag)
if (extractFlag==FALSE || skipFileFlag==TRUE)
return;
/*
@ -662,7 +663,7 @@ static void writeTarFile (int fileCount, char **fileTable)
* Append each file name into the archive file.
* Follow symbolic links for these top level file names.
*/
while (!errorFlag && (fileCount-- > 0)) {
while (errorFlag==FALSE && (fileCount-- > 0)) {
saveFile (*fileTable++, FALSE);
}
@ -694,7 +695,7 @@ static void saveFile (const char *fileName, int seeLinks)
int mode;
struct stat statbuf;
if (verboseFlag)
if (verboseFlag==TRUE)
printf ("a %s\n", fileName);
/*
@ -710,7 +711,7 @@ static void saveFile (const char *fileName, int seeLinks)
* Find out about the file.
*/
#ifdef S_ISLNK
if (seeLinks)
if (seeLinks==TRUE)
status = lstat (fileName, &statbuf);
else
#endif
@ -810,7 +811,7 @@ saveRegularFile (const char *fileName, const struct stat *statbuf)
*/
cc = 0;
if (!sawEof) {
if (sawEof==FALSE) {
cc = fullRead (fileFd, data, dataCount);
if (cc < 0) {
@ -899,7 +900,7 @@ static void saveDirectory (const char *dirName, const struct stat *statbuf)
* Read all of the directory entries and check them,
* except for the current and parent directory entries.
*/
while (!errorFlag && ((entry = readdir (dir)) != NULL)) {
while (errorFlag==FALSE && ((entry = readdir (dir)) != NULL)) {
if ((strcmp (entry->d_name, ".") == 0) ||
(strcmp (entry->d_name, "..") == 0)) {
continue;
@ -998,7 +999,7 @@ static void writeTarBlock (const char *buf, int len)
/*
* If we had a write error before, then do nothing more.
*/
if (errorFlag)
if (errorFlag==TRUE)
return;
/*