Revision: 4904
http://tigervnc.svn.sourceforge.net/tigervnc/?rev=4904&view=rev
Author: ossman_
Date: 2012-04-26 08:51:19 +0000 (Thu, 26 Apr 2012)
Log Message:
-----------
Allow gcc to check for correct usage of the formatting string for the
logging class.
Modified Paths:
--------------
trunk/common/rfb/LogWriter.h
Modified: trunk/common/rfb/LogWriter.h
===================================================================
--- trunk/common/rfb/LogWriter.h 2012-04-26 04:33:11 UTC (rev 4903)
+++ trunk/common/rfb/LogWriter.h 2012-04-26 08:51:19 UTC (rev 4904)
@@ -25,12 +25,18 @@
#include <rfb/Logger.h>
#include <rfb/Configuration.h>
+#ifdef __GNUC__
+# define __printf_attr(a, b) __attribute__((__format__ (__printf__, a, b)))
+#else
+# define __printf_attr(a, b)
+#endif // __GNUC__
+
// Each log writer instance has a unique textual name,
// and is attached to a particular Log instance and
// is assigned a particular log level.
#define DEF_LOGFUNCTION(name, level) \
- inline void name(const char* fmt, ...) { \
+ inline void name(const char* fmt, ...) __printf_attr(2, 3) { \
if (m_log && (level <= m_level)) { \
va_list ap; va_start(ap, fmt); \
m_log->write(level, m_name, fmt, ap);\
@@ -53,7 +59,7 @@
void setLevel(int level);
int getLevel(void) { return m_level; }
- inline void write(int level, const char* format, ...) {
+ inline void write(int level, const char* format, ...) __printf_attr(3, 4) {
if (m_log && (level <= m_level)) {
va_list ap;
va_start(ap, format);
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