update copyright year

[coloredstderr/coloredstderr.git] / src / debug.h

diff --git a/src/debug.h b/src/debug.h
index 4a7c00bc107949f2a9ab5b7aaea3c3c1452a429e..b15695d068b18ddac26720cc3d909600232a78a0 100644 (file)
--- a/src/debug.h
+++ b/src/debug.h
@@ -1,7 +1,7 @@
 /*
  * Debug functions.
  *
- * Copyright (C) 2013  Simon Ruderich
+ * Copyright (C) 2013-2015  Simon Ruderich
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,8 +24,10 @@ static void debug_write(int fd, int first_call, char const *format, va_list ap)
     char buffer[1024];
 
     int written = vsnprintf(buffer, sizeof(buffer), format, ap);
+    if (written < 0) {
+        return; /* shouldn't happen */
     /* Overflow. */
-    if ((size_t)written >= sizeof(buffer)) {
+    } else if ((size_t)written >= sizeof(buffer)) {
         written = sizeof(buffer) - 1;
     }
 
@@ -34,7 +36,7 @@ static void debug_write(int fd, int first_call, char const *format, va_list ap)
     DLSYM_FUNCTION(real_close, "close");
 
     if (first_call) {
-        char nl = '\n';
+        char const nl = '\n';
         real_write(fd, &nl, 1);
     }
     real_write(fd, buffer, (size_t)written);