sscanf/strtoul: parse integers robustly

diff --git a/sha1_file.c b/sha1_file.c
index 42aef331f2e028d625dd2f6354cda2dfd55e71e0..9c260384201857eb32d07c87e1178fd3947968ee 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2020,7 +2020,8 @@ int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned cha
        if (write_buffer(fd, compressed, size) < 0)
                die("unable to write sha1 file");
        fchmod(fd, 0444);
-       close(fd);
+       if (close(fd))
+               die("unable to write sha1 file");
        free(compressed);
 
        return move_temp_to_file(tmpfile, filename);