With GCC 2.x and later, mark cmdarg_err() and cmdarg_err_cont() as being

printf-like.

svn path=/trunk/; revision=16530

1 files changed, 10 insertions, 0 deletions

diff --git a/cmdarg_err.h b/cmdarg_err.h
index e50b89a8a5..0d7670f9cf 100644
--- a/cmdarg_err.h
+++ b/cmdarg_err.h
@@ -32,12 +32,22 @@ extern "C" {
 /*
  * Report an error in command-line arguments.
  */
+#if __GNUC__ >= 2
+extern void cmdarg_err(const char *fmt, ...)
+    __attribute__((format (printf, 1, 2)));
+#else
 extern void cmdarg_err(const char *fmt, ...);
+#endif
 
 /*
  * Report additional information for an error in command-line arguments.
  */
+#if __GNUC__ >= 2
+extern void cmdarg_err_cont(const char *fmt, ...)
+    __attribute__((format (printf, 1, 2)));
+#else
 extern void cmdarg_err_cont(const char *fmt, ...);
+#endif
 
 #ifdef __cplusplus
 }