commit 36e83e5eea8d1387c024006cc320e4ef9d545b16
from: Omar Polo <op@omarpolo.com>
date: Tue Aug 16 09:35:17 2022 UTC

check for fprintf failure

commit - 217e00e5c96081b997cc75f9314f631347527fdf
commit + 36e83e5eea8d1387c024006cc320e4ef9d545b16
blob - f671a4f105400e52465bc32e860ae0b0b1e71afd
blob + 530b713f15da935fc9e60332b0cbd976118130ed
--- lib/diff.c
+++ lib/diff.c
@@ -903,6 +903,9 @@ show_object_id(struct got_diff_line **lines, size_t *n
 	off_t outoff = 0;
 
 	n = fprintf(outfile, "%s %c %s\n", obj_typestr, ch, id_str);
+	if (n < 0)
+		return got_error_from_errno("fprintf");
+
 	if (lines != NULL && *lines != NULL) {
 		if (*nlines == 0) {
 			err = add_line_metadata(lines, nlines, 0,