From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Tue, 5 Apr 2022 04:22:04 +0000 (-0700)
Subject: cgraph: squash a macOS warning in 'sprint' tester
X-Git-Tag: 4.0.0~113^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ba0e163301d2097205f1e52b574948b9ffe3a6a2;p=graphviz

cgraph: squash a macOS warning in 'sprint' tester

macOS provides an `INT8_C` macro that generates an `int`, not an `int8_t`, which
ends up resulting in this code generating `printf` format warnings. An upcoming
commit which enables `-Werror` on this code causes test failures without this.
---

diff --git a/lib/cgraph/test_sprint.c b/lib/cgraph/test_sprint.c
index f6c85fced..885b4be00 100644
--- a/lib/cgraph/test_sprint.c
+++ b/lib/cgraph/test_sprint.c
@@ -81,7 +81,7 @@ static void test_utf8(void) {
 static void test_int(void) {
   char *s =
       gv_sprint("%d is a nice number, more than %" PRId8 ", less than %lu", 7,
-                INT8_C(-1), 42ul);
+                (int8_t)INT8_C(-1), 42ul);
   assert(strcmp(s, "7 is a nice number, more than -1, less than 42") == 0);
   free(s);
 }