From: Sijmen J. Mulder <ik@sjmulder.nl>
Date: Wed, 12 Jun 2019 23:07:03 +0000 (+0200)
Subject: Don't ignore fwrite errors
X-Git-Tag: v2.6~104^2
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=da60f55559f5e83753a39d0b4a7e88c5c26aef32;p=nnn.git

Don't ignore fwrite errors

Fixes warning on CentOS 6:

  src/nnn.c:754: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result
---

diff --git a/src/nnn.c b/src/nnn.c
index 869d5b73..6bdfd20f 100644
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -745,9 +745,9 @@ static void writecp(const char *buf, const size_t buflen)
 		return;
 
 	FILE *fp = fopen(g_cppath, "w");
-
 	if (fp) {
-		fwrite(buf, 1, buflen, fp);
+		if (fwrite(buf, 1, buflen, fp) != buflen)
+			printwarn(NULL);
 		fclose(fp);
 	} else
 		printwarn(NULL);