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*: shrink by using [f]open_or_warn_stdin where appropriate

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function                                             old     new   delta
lsattr_main                                           62     143     +81
open_or_warn_stdin                                     -      36     +36
fclose_if_not_stdin                                   20      47     +27
xfopen_stdin                                           -      20     +20
tac_main                                             336     356     +20
cksum_main                                           249     259     +10
bb_argv_dash                                           -       8      +8
su_main                                              448     455      +7
cmp_main                                             630     633      +3
passwd_main                                         1072    1074      +2
uudecode_main                                        317     315      -2
text_yank                                            110     108      -2
handle_incoming_and_exit                            2653    2651      -2
flags                                                  5       1      -4
write_leases                                         235     230      -5
fopen_or_warn_stdin                                   48      42      -6
fold_main                                            648     642      -6
static.argv_dash                                       8       -      -8
sum_main                                             142     128     -14
tail_main                                           1237    1221     -16
sed_main                                             711     695     -16
cmp_xfopen_input                                      17       -     -17
bb_cat                                               113      96     -17
catv_main                                            328     306     -22
strings_main                                         457     434     -23
hash_file                                            298     274     -24
sum_file                                             353     325     -28
sort_main                                            904     859     -45
expand_main                                          736     686     -50
cut_main                                            1116    1065     -51
md5_sha1_sum_main                                    549     493     -56
lsattr_args                                           90       -     -90
read_stduu                                           408     255    -153
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 7/20 up/down: 214/-657)        Total: -443 bytes
   text    data     bss     dec     hex filename
 797417     658    7428  805503   c4a7f busybox_old
 796973     658    7428  805059   c48c3 busybox_unstripped
This commit is contained in:
Denis Vlasenko
2008-03-17 09:07:36 +00:00
parent d02db89244
commit 62a90cdd74
26 changed files with 214 additions and 219 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
editors/cmp.c
View File

@ -23,16 +23,6 @@
#include "libbb.h"
static FILE *cmp_xfopen_input(const char *filename)
{
FILE *fp;
fp = fopen_or_warn_stdin(filename);
if (fp)
return fp;
xfunc_die(); /* We already output an error message. */
}
static const char fmt_eof[] ALIGN1 = "cmp: EOF on %s\n";
static const char fmt_differ[] ALIGN1 = "%s %s differ: char %"OFF_FMT"d, line %d\n";
// This fmt_l_opt uses gnu-isms. SUSv3 would be "%.0s%.0s%"OFF_FMT"d %o %o\n"
@ -65,7 +55,7 @@ int cmp_main(int argc ATTRIBUTE_UNUSED, char **argv)
argv += optind;
filename1 = *argv;
fp1 = cmp_xfopen_input(filename1);
fp1 = xfopen_stdin(filename1);
if (*++argv) {
filename2 = *argv;
@ -79,7 +69,7 @@ int cmp_main(int argc ATTRIBUTE_UNUSED, char **argv)
#endif
}
fp2 = cmp_xfopen_input(filename2);
fp2 = xfopen_stdin(filename2);
if (fp1 == fp2) { /* Paranoia check... stdin == stdin? */
/* Note that we don't bother reading stdin. Neither does gnu wc.
* But perhaps we should, so that other apps down the chain don't

11
editors/sed.c
View File

@ -1231,7 +1231,7 @@ static void add_cmd_block(char *cmdstr)
}
int sed_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int sed_main(int argc, char **argv)
int sed_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
enum {
OPT_in_place = 1 << 0,
@ -1246,7 +1246,7 @@ int sed_main(int argc, char **argv)
if (ENABLE_FEATURE_CLEAN_UP) atexit(sed_free_and_close_stuff);
/* Lie to autoconf when it starts asking stupid questions. */
if (argc == 2 && !strcmp(argv[1], "--version")) {
if (argv[1] && !strcmp(argv[1], "--version")) {
puts("This is not GNU sed version 4.0");
return 0;
}
@ -1257,7 +1257,7 @@ int sed_main(int argc, char **argv)
"nn"; /* count -n */
opt = getopt32(argv, "irne:f:", &opt_e, &opt_f,
&G.be_quiet); /* counter for -n */
argc -= optind;
//argc -= optind;
argv += optind;
if (opt & OPT_in_place) { // -i
atexit(cleanup_outname);
@ -1283,10 +1283,9 @@ int sed_main(int argc, char **argv)
}
/* if we didn't get a pattern from -e or -f, use argv[0] */
if (!(opt & 0x18)) {
if (!argc)
if (!*argv)
bb_show_usage();
add_cmd_block(*argv++);
argc--;
}
/* Flush any unfinished commands. */
add_cmd("");
@ -1306,7 +1305,7 @@ int sed_main(int argc, char **argv)
int i;
FILE *file;
for (i = 0; i < argc; i++) {
for (i = 0; argv[i]; i++) {
struct stat statbuf;
int nonstdoutfd;