From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 24 Oct 2020 17:22:35 +0000 (-0700)
Subject: fix printf format code in write_nodename()
X-Git-Tag: 2.46.0~20^2^2~4^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cffba6006a03796e469fee061ab58eb43fc34f7a;p=graphviz

fix printf format code in write_nodename()

This fixes a build warning on macOS when using CMake. Related to !1620.
---

diff --git a/lib/cgraph/write.c b/lib/cgraph/write.c
index 4b3d8f7b9..5b2f2e2ae 100644
--- a/lib/cgraph/write.c
+++ b/lib/cgraph/write.c
@@ -15,6 +15,7 @@
 #include <ctype.h>
 #include <cgraph/cghdr.h>
 #include <cgraph/strcasecmp.h>
+#include <inttypes.h>
 
 #define EMPTY(s)		(((s) == 0) || (s)[0] == '\0')
 #define MAX(a,b)     ((a)>(b)?(a):(b))
@@ -506,7 +507,7 @@ static int write_nodename(Agnode_t * n, iochan_t * ofile)
 	CHKRV(write_canonstr(g, ofile, name));
     } else {
 	char buf[sizeof("__SUSPECT") + 20];
-	snprintf(buf, sizeof(buf), "_%ld_SUSPECT", AGID(n));	/* could be deadly wrong */
+	snprintf(buf, sizeof(buf), "_%" PRIu64 "_SUSPECT", AGID(n));	/* could be deadly wrong */
 	CHKRV(ioput(g, ofile, buf));
     }
     return 0;