tests: constify format strings in tap.h

[babeltrace.git] / tests / utils / tap / tap.h

diff --git a/tests/utils/tap/tap.h b/tests/utils/tap/tap.h
index 40fb79168652d7cea54f9fc5f0c94fd475aaf072..764f75dae00469463eb9e2e058e24356e204172b 100644 (file)
--- a/tests/utils/tap/tap.h
+++ b/tests/utils/tap/tap.h
@@ -74,18 +74,22 @@
 
 #define skip_end() } while(0);
 
-unsigned int _gen_result(int, const char *, char *, unsigned int, char *, ...);
+__attribute__((format(printf, 5, 6)))
+unsigned int _gen_result(int, const char *, const char *, unsigned int, const char *, ...);
 
 int plan_no_plan(void);
-int plan_skip_all(char *);
+int plan_skip_all(const char *);
 int plan_tests(unsigned int);
 
-unsigned int diag(char *, ...);
+__attribute__((format(printf, 1, 2)))
+unsigned int diag(const char *, ...);
 void diag_multiline(const char *);
 
-int skip(unsigned int, char *, ...);
+__attribute__((format(printf, 2, 3)))
+int skip(unsigned int, const char *, ...);
 
-void todo_start(char *, ...);
+__attribute__((format(printf, 1, 2)))
+void todo_start(const char *, ...);
 void todo_end(void);
 
 int exit_status(void);