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Some comments for _alpm_unpack.

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Signed-off-by: K. Piche <kevin@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
K. Piche 2008-04-08 23:30:46 -04:00 committed by Dan McGee
parent 9f56137034
commit db4258c1fd
1 changed files with 11 additions and 0 deletions
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11
lib/libalpm/util.c
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@ -370,6 +370,13 @@ int _alpm_lckrm()
/* Compression functions */ /* Compression functions */
/**
* @brief Unpack a specific file or all files in an archive.
*
* @param archive the archive to unpack
* @param prefix where to extract the files
* @param fn a file within the archive to unpack or NULL for all
*/
int _alpm_unpack(const char *archive, const char *prefix, const char *fn) int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
{ {
int ret = 1; int ret = 1;
@ -407,13 +414,17 @@ int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
archive_entry_set_mode(entry, 0755); archive_entry_set_mode(entry, 0755);
} }
/* If a specific file was requested skip entries that don't match. */
if (fn && strcmp(fn, entryname)) { if (fn && strcmp(fn, entryname)) {
_alpm_log(PM_LOG_DEBUG, "skipping: %s\n", entryname);
if (archive_read_data_skip(_archive) != ARCHIVE_OK) { if (archive_read_data_skip(_archive) != ARCHIVE_OK) {
ret = 1; ret = 1;
goto cleanup; goto cleanup;
} }
continue; continue;
} }
/* Extract the archive entry. */
ret = 0; ret = 0;
snprintf(expath, PATH_MAX, "%s/%s", prefix, entryname); snprintf(expath, PATH_MAX, "%s/%s", prefix, entryname);
archive_entry_set_pathname(entry, expath); archive_entry_set_pathname(entry, expath);