shared.c: return original errno

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

1 files changed, 5 insertions, 3 deletions

diff --git a/shared.c b/shared.c
index a27ab30..9362d21 100644
--- a/shared.c
+++ b/shared.c
@@ -402,3 +402,3 @@ int readfile(const char *path, char **buf, size_t *size)
 {
-        int fd;
+        int fd, e;
         struct stat st;
@@ -409,4 +409,5 @@ int readfile(const char *path, char **buf, size_t *size)
         if (fstat(fd, &st)) {
+                e = errno;
                 close(fd);
-                return errno;
+                return e;
         }
@@ -418,5 +419,6 @@ int readfile(const char *path, char **buf, size_t *size)
         *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);
 }