Making errno when returning from remove_empty_directories() more
obviously meaningful, which should provide some peace of mind for
people auditing lock_ref_sha1_basic.
Signed-off-by: Ronnie Sahlberg <sahlb...@google.com>
---
refs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/refs.c b/refs.c
index 3631a3b..dd28214 100644
--- a/refs.c
+++ b/refs.c
@@ -1932,14 +1932,16 @@ static int remove_empty_directories(const char *file)
* only empty directories), remove them.
*/
struct strbuf path;
- int result;
+ int result, save_errno;
strbuf_init(&path, 20);
strbuf_addstr(&path, file);
result = remove_dir_recursively(&path, REMOVE_DIR_EMPTY_ONLY);
+ save_errno = errno;
strbuf_release(&path);
+ errno = save_errno;
return result;
}
@@ -2028,6 +2030,7 @@ int dwim_log(const char *str, int len, unsigned char
*sha1, char **log)
return logs_found;
}
+/* This function should make sure errno is meaningful on error */
static struct ref_lock *lock_ref_sha1_basic(const char *refname,
const unsigned char *old_sha1,
int flags, int *type_p)
--
2.0.0.574.g30c2c5e
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