shared.c: return original errno

Noticed-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

diff --git a/shared.c b/shared.c
index a27ab30716f276e4f6644e11734b19bc7cff1d5c..9362d2114e44a5f3c5cd9cd81853d854ed745c79 100644 (file)
--- a/shared.c
+++ b/shared.c
@@ -400,15 +400,16 @@ int cgit_close_filter(struct cgit_filter *filter)
  */
 int readfile(const char *path, char **buf, size_t *size)
 {
-       int fd;
+       int fd, e;
        struct stat st;
 
        fd = open(path, O_RDONLY);
        if (fd == -1)
                return errno;
        if (fstat(fd, &st)) {
+               e = errno;
                close(fd);
-               return errno;
+               return e;
        }
        if (!S_ISREG(st.st_mode)) {
                close(fd);
@@ -416,7 +417,8 @@ int readfile(const char *path, char **buf, size_t *size)
        }
        *buf = xmalloc(st.st_size + 1);
        *size = read_in_full(fd, *buf, st.st_size);
+       e = errno;
        (*buf)[*size] = '\0';
        close(fd);
-       return (*size == st.st_size ? 0 : errno);
+       return (*size == st.st_size ? 0 : e);
 }