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Handle empty string passed to query_owner

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Passing an empty string to pacman -Qo results in:
error: No package owns <first directory in $PATH>

Catch empty strings and report an error.

Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Allan McRae 2018-01-09 20:48:35 +10:00
parent 3a9a510ca8
commit 24ab8717d4
1 changed files with 5 additions and 0 deletions
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5
src/pacman/query.c
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@ -165,6 +165,11 @@ static int query_fileowner(alpm_list_t *targets)
goto targcleanup; goto targcleanup;
} }
if(strcmp(filename, "") == 0) {
pm_printf(ALPM_LOG_ERROR, _("empty string passed to file owner query\n"));
goto targcleanup;
}
/* trailing '/' causes lstat to dereference directory symlinks */ /* trailing '/' causes lstat to dereference directory symlinks */
len = strlen(filename) - 1; len = strlen(filename) - 1;
while(len > 0 && filename[len] == '/') { while(len > 0 && filename[len] == '/') {