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rpm: code shrink. Now uses open_zipped's logic (factored out into setup_unzip_on_fd())

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function                                             old     new   delta
setup_unzip_on_fd                                      -      80     +80
open_zipped                                          176     113     -63
rpm_main                                            1672    1355    -317
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 80/-380)          Total: -300 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-05-06 14:19:19 +00:00
parent b8ba6b66f5
commit 27653adc8b
5 changed files with 162 additions and 150 deletions
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9
include/libbb.h
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@@ -651,6 +651,15 @@ extern char *xmalloc_reads(int fd, char *pfx, size_t *maxsz_p) FAST_FUNC;
extern void *xmalloc_read(int fd, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
/* Returns NULL if file can't be opened (default max size: INT_MAX - 4095) */
extern void *xmalloc_open_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
/* Autodetects gzip/bzip2 formats. fd may be in the middle of the file! */
#if ENABLE_FEATURE_SEAMLESS_LZMA \
|| ENABLE_FEATURE_SEAMLESS_BZ2 \
|| ENABLE_FEATURE_SEAMLESS_GZ \
/* || ENABLE_FEATURE_SEAMLESS_Z */
extern int setup_unzip_on_fd(int fd /*, int fail_if_not_detected*/) FAST_FUNC;
#else
# define setup_unzip_on_fd(...) ((void)0)
#endif
/* Autodetects .gz etc */
extern int open_zipped(const char *fname) FAST_FUNC;
extern void *xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;