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-rw-r--r--src/message.h27
1 files changed, 18 insertions, 9 deletions
diff --git a/src/message.h b/src/message.h
index 7b12ba8..5f8c9db 100644
--- a/src/message.h
+++ b/src/message.h
@@ -21,17 +21,26 @@
#include <stdio.h>
#include <stdarg.h>
-extern void msg(const char *fmt, ...);
-extern void warn(const char *file,int line,const char *fmt, ...);
-extern void va_warn(const char *file,int line,const char *fmt, va_list args);
+#ifdef __GNUC__
+#define PRINTFLIKE(FORMAT, PARAM ) __attribute__((format(printf, FORMAT, PARAM)))
+#else
+#define PRINTFLIKE(FORMAT, PARAM )
+#endif
+
+extern void msg(const char *fmt, ...) PRINTFLIKE(1,2);
+extern void warn(const char *file,int line,const char *fmt, ...) PRINTFLIKE(3, 4);
+extern void va_warn(const char* file, int line, const char* fmt, va_list args);
extern void warn_simple(const char *file,int line,const char *text);
-extern void warn_undoc(const char *file,int line,const char *fmt, ...);
-extern void warn_doc_error(const char *file,int line,const char *fmt, ...);
-extern void warn_uncond(const char *fmt, ...);
-extern void err(const char *fmt, ...);
-extern void err_full(const char *file,int line,const char *fmt, ...);
-extern void term(const char *fmt, ...);
+extern void warn_undoc(const char *file,int line,const char *fmt, ...) PRINTFLIKE(3, 4);
+extern void warn_doc_error(const char *file,int line,const char *fmt, ...) PRINTFLIKE(3, 4);
+extern void warn_uncond(const char *fmt, ...) PRINTFLIKE(1, 2);
+extern void err(const char *fmt, ...) PRINTFLIKE(1, 2);
+extern void err_full(const char *file,int line,const char *fmt, ...) PRINTFLIKE(3, 4);
+extern void term(const char *fmt, ...) PRINTFLIKE(1, 2);
void initWarningFormat();
extern void printlex(int dbg, bool enter, const char *lexName, const char *fileName);
+
+#undef PRINTFLIKE
+
#endif