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authorRich Felker <dalias@aerifal.cx>2011-04-11 01:58:14 -0400
committerRich Felker <dalias@aerifal.cx>2011-04-11 01:58:14 -0400
commitdae17a1aaf25d8333e729173d86659066607d87d (patch)
tree647bba2d6389494ef23af5b735c967f1feca23b2 /src/dirent
parent52458cfa8c79a9eacb81e151e15cdeff04b75d37 (diff)
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fix errno handling in scandir:
1. saved errno was not being restored, illegally clearing errno to 0. 2. no need to backup and save errno around free; it will not touch except perhaps when the program has already invoked UB...
Diffstat (limited to 'src/dirent')
-rw-r--r--src/dirent/scandir.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/dirent/scandir.c b/src/dirent/scandir.c
index 6a0a9993..aad813ac 100644
--- a/src/dirent/scandir.c
+++ b/src/dirent/scandir.c
@@ -35,12 +35,11 @@ int scandir(const char *path, struct dirent ***res,
closedir(d);
if (errno) {
- old_errno = errno;
if (names) while (cnt-->0) free(names[cnt]);
free(names);
- errno = old_errno;
return -1;
}
+ errno = old_errno;
if (cmp) qsort(names, cnt, sizeof *names, (int (*)(const void *, const void *))cmp);
*res = names;