mingw: do not set errno to 0 on success

Currently do_lstat always sets errno to 0 on success. This incorrectly
overwrites previous errors.

Fetch the error-code into a temporary variable instead, and assign that
to errno on failure.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Erik Faye-Lund 2010-11-23 20:53:08 +01:00 committed by Junio C Hamano
parent 1c7d402b3e
commit e93368d26e

View File

@ -195,9 +195,10 @@ static inline time_t filetime_to_time_t(const FILETIME *ft)
*/
static int do_lstat(const char *file_name, struct stat *buf)
{
int err;
WIN32_FILE_ATTRIBUTE_DATA fdata;
if (!(errno = get_file_attr(file_name, &fdata))) {
if (!(err = get_file_attr(file_name, &fdata))) {
buf->st_ino = 0;
buf->st_gid = 0;
buf->st_uid = 0;
@ -211,6 +212,7 @@ static int do_lstat(const char *file_name, struct stat *buf)
buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
return 0;
}
errno = err;
return -1;
}