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gunzip: support concatenated gz files.

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text    data     bss     dec     hex filename
 770988    1029    9552  781569   bed01 busybox.t0/busybox
 771105    1029    9552  781686   bed76 busybox.t3/busybox
This commit is contained in:
Denis Vlasenko
2007-10-05 15:26:08 +00:00
parent 368a12efc2
commit 5dd8a03665
7 changed files with 367 additions and 248 deletions
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3
archival/bbunzip.c
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@@ -74,7 +74,7 @@ int bbunpack(char **argv,
goto err;
}
/* O_EXCL: "real" bunzip2 doesn't overwrite files */
/* GNU gunzip goes not bail out, but goes to next file */
/* GNU gunzip does not bail out, but goes to next file */
if (open_to_or_warn(STDOUT_FILENO, new_name, O_WRONLY | O_CREAT | O_EXCL,
stat_buf.st_mode))
goto err;
@@ -241,7 +241,6 @@ USE_DESKTOP(long long) int unpack_gunzip(void)
if (ENABLE_FEATURE_GUNZIP_UNCOMPRESS && magic2 == 0x9d) {
status = uncompress(STDIN_FILENO, STDOUT_FILENO);
} else if (magic2 == 0x8b) {
check_header_gzip_or_die(STDIN_FILENO);
status = unpack_gz_stream(STDIN_FILENO, STDOUT_FILENO);
} else {
goto bad_magic;