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zcat: complain if input is not compressed

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function                                             old     new   delta
buffer_fill_and_print                                178     191     +13
varvalue                                             735     743      +8
bbunpack                                             747     755      +8
open_zipped                                           85      89      +4
xmalloc_open_zipped_read_close                        61      63      +2
get_addr_1                                           240     242      +2
fbsplash_main                                       1228    1230      +2
pstree_main                                          322     321      -1
builtin_type                                         121     119      -2
do_load                                              954     926     -28
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(add/remove: 0/0 grow/shrink: 7/3 up/down: 39/-31)              Total: 8 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2014-02-02 02:06:38 +01:00
parent f1999b5a9d
commit 640ce3de07
9 changed files with 17 additions and 25 deletions
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6
include/libbb.h
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@ -736,12 +736,12 @@ extern void *xmalloc_xopen_read_close(const char *filename, size_t *maxsz_p) FAS
#if SEAMLESS_COMPRESSION
/* Autodetects gzip/bzip2 formats. fd may be in the middle of the file! */
extern int setup_unzip_on_fd(int fd, int fail_if_not_detected) FAST_FUNC;
extern int setup_unzip_on_fd(int fd, int fail_if_not_compressed) FAST_FUNC;
/* Autodetects .gz etc */
extern int open_zipped(const char *fname) FAST_FUNC;
extern int open_zipped(const char *fname, int fail_if_not_compressed) FAST_FUNC;
#else
# define setup_unzip_on_fd(...) (0)
# define open_zipped(fname) open((fname), O_RDONLY);
# define open_zipped(fname, fail_if_not_compressed) open((fname), O_RDONLY);
#endif
extern void *xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;