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authorNicolai Hähnle <[email protected]>2009-09-21 17:28:37 +0200
committerNicolai Hähnle <[email protected]>2009-09-21 17:41:54 +0200
commit496137d8eb85e78fab748f184b392f99b17059ea (patch)
tree592d63354b653af156583d8adf81927e3113ff8b /src/gallium/auxiliary/util/u_debug.h
parent7ce0421fb712fd4e595f6c2ecede91c16fb3e133 (diff)
gallium debug: Add gcc printf hint to debug_printf
This causes gcc to issue warnings when format parameters do not match up with the format string in calls to debug_printf. Signed-off-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/util/u_debug.h')
-rw-r--r--src/gallium/auxiliary/util/u_debug.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/util/u_debug.h b/src/gallium/auxiliary/util/u_debug.h
index 1380d98d7ee..b82e7cb4d40 100644
--- a/src/gallium/auxiliary/util/u_debug.h
+++ b/src/gallium/auxiliary/util/u_debug.h
@@ -65,6 +65,11 @@ extern "C" {
#define __FUNCTION__ "???"
#endif
+#if defined(__GNUC__)
+#define _util_printf_format(fmt, list) __attribute__ ((format (printf, fmt, list)))
+#else
+#define _util_printf_format(fmt, list)
+#endif
void _debug_vprintf(const char *format, va_list ap);
@@ -82,14 +87,17 @@ _debug_printf(const char *format, ...)
/**
* Print debug messages.
*
- * The actual channel used to output debug message is platform specific. To
- * avoid misformating or truncation, follow these rules of thumb:
+ * The actual channel used to output debug message is platform specific. To
+ * avoid misformating or truncation, follow these rules of thumb:
* - output whole lines
- * - avoid outputing large strings (512 bytes is the current maximum length
+ * - avoid outputing large strings (512 bytes is the current maximum length
* that is guaranteed to be printed in all platforms)
*/
#if !defined(PIPE_OS_HAIKU)
static INLINE void
+debug_printf(const char *format, ...) _util_printf_format(1,2);
+
+static INLINE void
debug_printf(const char *format, ...)
{
#ifdef DEBUG