mingw: do not set errno to 0 on success

[git.git] / compat / mingw.c

diff --git a/compat/mingw.c b/compat/mingw.c
index 9a8e3365827d303c6513475726113a3952fe0040..b98e6000062134f01a0611fb17a3fd43250f7989 100644 (file)
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -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;
 }
 
@@ -304,8 +306,13 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
                goto revert_attrs;
        }
 
-       time_t_to_filetime(times->modtime, &mft);
-       time_t_to_filetime(times->actime, &aft);
+       if (times) {
+               time_t_to_filetime(times->modtime, &mft);
+               time_t_to_filetime(times->actime, &aft);
+       } else {
+               GetSystemTimeAsFileTime(&mft);
+               aft = mft;
+       }
        if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
                errno = EINVAL;
                rc = -1;
@@ -641,7 +648,7 @@ static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_on
 }
 
 /*
- * Determines the absolute path of cmd using the the split path in path.
+ * Determines the absolute path of cmd using the split path in path.
  * If cmd contains a slash or backslash, no lookup is performed.
  */
 static char *path_lookup(const char *cmd, char **path, int exe_only)