X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/96f3a8a54eeb3b2294ed953dad8b15349f3e2703..fbbe300f4d52ab014fb09050deea7746b1d02a82:/util.c

diff --git a/util.c b/util.c
index cd3524b..8808aba 100644
--- a/util.c
+++ b/util.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
@@ -15,8 +16,9 @@ bprintf(const char *fmt, ...)
 	len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
 	va_end(ap);
 
-	if (len >= sizeof(buf))
+	if (len >= sizeof(buf)) {
 		buf[sizeof(buf)-1] = '\0';
+	}
 
 	return buf;
 }
@@ -29,7 +31,7 @@ pscanf(const char *path, const char *fmt, ...)
 	int n;
 
 	if (!(fp = fopen(path, "r"))) {
-		fprintf(stderr, "fopen for %s failed", path);
+		fprintf(stderr, "fopen '%s': %s\n", path, strerror(errno));
 		return -1;
 	}
 	va_start(ap, fmt);