From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 4 Jun 2021 00:23:12 +0000 (-0700)
Subject: rephrase an open coded NULL in pathpath
X-Git-Tag: 2.47.3~5^2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6f359194ac7b358598cd4f3c86e4818c16edea24;p=graphviz

rephrase an open coded NULL in pathpath
---

diff --git a/lib/ast/pathpath.c b/lib/ast/pathpath.c
index 94dfa0fc9..e20cecc57 100644
--- a/lib/ast/pathpath.c
+++ b/lib/ast/pathpath.c
@@ -53,7 +53,7 @@ char *pathpath(char *path, const char *p, const char *a, int mode)
 	path = buf;
     if (!p) {
 	free(cmd);
-	cmd = a ? strdup(a) : (char *) 0;
+	cmd = a ? strdup(a) : NULL;
 	return 0;
     }
     if (strlen(p) < PATH_MAX) {