add xsnprintf macro

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/src/libmdsserver/macros.h b/src/libmdsserver/macros.h
new file mode 100644
index 0000000..9225c49
--- /dev/null
+++ b/src/libmdsserver/macros.h
@@ -0,0 +1,37 @@
+/**
+ * mds — A micro-display server
+ * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef MDS_LIBMDSSERVER_MACROS_H
+#define MDS_LIBMDSSERVER_MACROS_H
+
+
+#include <stdio.h>
+
+
+/**
+ * Wrapper for `snprintf` that allows you to forget about the buffer size
+ * 
+ * @param  buffer:char[]  The buffer, must be of the type `char[]` and not `char*`
+ * @param  format:char*   The format
+ * @param  ...            The arguments
+ */
+#define xsnprintf(buffer, format, ...)  \
+  snprintf(buffer, sizeof(buffer) / sizeof(char), format, __VA_ARGS__);
+
+
+#endif
+