Author: araujo
Date: Mon Apr 18 07:09:34 2016
New Revision: 298190
URL: https://svnweb.freebsd.org/changeset/base/298190
Log:
Use NULL instead of 0 for pointers.
fopen(3) will return NULL in case it cannot open the STREAM.
MFC after: 2 weeks.
Modified:
head/usr.bin/m4/gnum4.c
Modified: head/usr.bin/m4/gnum4.c
==============================================================================
--- head/usr.bin/m4/gnum4.c Mon Apr 18 07:05:18 2016 (r298189)
+++ head/usr.bin/m4/gnum4.c Mon Apr 18 07:09:34 2016 (r298190)
@@ -129,7 +129,7 @@ dopath(struct input_file *i, const char
for (pe = first; pe; pe = pe->next) {
snprintf(path, sizeof(path), "%s/%s", pe->name, filename);
- if ((f = fopen(path, "r")) != 0) {
+ if ((f = fopen(path, "r")) != NULL) {
set_input(i, f, path);
return i;
}
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