Fix the mess with format specifications.

4 files changed, 13 insertions, 7 deletions

diff --git a/include/smap/diag.h b/include/smap/diag.h
index 17976a8..3968d0e 100644
--- a/include/smap/diag.h
+++ b/include/smap/diag.h
@@ -24,7 +24,7 @@ extern smap_stream_t smap_debug_str;
 extern smap_stream_t smap_trace_str;
 
 void smap_verror(const char *fmt, va_list ap);
-void smap_error(const char *fmt, ...);
+void smap_error(const char *fmt, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
 
 extern char *smap_progname;
 
@@ -39,7 +39,8 @@ size_t smtp_debug_locate_n(const char *name, size_t len);
 size_t smtp_debug_locate(const char *name);
 size_t smap_debug_alloc_n(const char *name, size_t n);
 size_t smap_debug_alloc(const char *name);
-void smap_debug_printf(const char *fmt, ...);
+void smap_debug_printf(const char *fmt, ...)
+	          __attribute__ ((__format__ (__printf__, 1, 2)));
 int smap_debug_set(const char *spec);
 
 #define smap_debug(num, lev, args)		\
diff --git a/include/smap/printf.h b/include/smap/printf.h
index 01650fb..6391b5a 100644
--- a/include/smap/printf.h
+++ b/include/smap/printf.h
@@ -20,7 +20,9 @@
 #include <stdarg.h>
 
 int smap_vasnprintf(char **pbuf, size_t *psize, const char *fmt, va_list ap);
-int smap_asnprintf(char **pbuf, size_t *psize, const char *fmt, ...);
-int smap_asprintf(char **pbuf, const char *fmt, ...);
+int smap_asnprintf(char **pbuf, size_t *psize, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 3, 4)));
+int smap_asprintf(char **pbuf, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3)));
 
 #endif
diff --git a/include/smap/stream.h b/include/smap/stream.h
index d4412e5..281f9bf 100644
--- a/include/smap/stream.h
+++ b/include/smap/stream.h
@@ -103,7 +103,8 @@ int smap_stream_set_flags(smap_stream_t stream, int fl);
 int smap_stream_clr_flags(smap_stream_t stream, int fl);
 
 int smap_stream_vprintf(smap_stream_t str, const char *fmt, va_list ap);
-int smap_stream_printf(smap_stream_t stream, const char *fmt, ...);
+int smap_stream_printf(smap_stream_t stream, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3)));
 
 
 int smap_fileout_stream_create (smap_stream_t *pstream, FILE *file,
diff --git a/include/smap/wordsplit.h b/include/smap/wordsplit.h
index de3a697..204a9e0 100644
--- a/include/smap/wordsplit.h
+++ b/include/smap/wordsplit.h
@@ -29,8 +29,10 @@ struct wordsplit
 	const char *ws_delim;
 	const char *ws_comment;
 	void (*ws_alloc_die)(struct wordsplit *wsp);
-	void (*ws_error)(const char *, ...);
-	void (*ws_debug)(const char *, ...);
+	void (*ws_error)(const char *, ...)
+		__attribute__ ((__format__ (__printf__, 1, 2)));
+	void (*ws_debug)(const char *, ...)
+		__attribute__ ((__format__ (__printf__, 1, 2)));
 	
 	const char **ws_env;
 	char *(*ws_getvar)(const char *, size_t);