Add suppression macro for '-Wformat-nonliteral'.

besser82 · Oct 25, 2018 · 4c5ee10 · 4c5ee10
1 parent 89d7468
commit 4c5ee10
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/crypt-port.h b/crypt-port.h
@@ -75,6 +75,13 @@
 # define ARG_UNUSED(x) x
 #endif
 
+/* Suppression of format-string-is-not-a-string-literal warnings.  */
+#if defined __GNUC__ && __GNUC__ >= 3
+# define PRINTF_FMT(x,y) __attribute__ ((__format__ (__printf__, x, y)))
+#else
+# define PRINTF_FMT(x,y)
+#endif
+
 /* C99 Static array indices in function parameter declarations.  Syntax
    such as:  void bar(int myArray[static 10]);  is allowed in C99, but
    not all compiler support it properly.  Define MIN_SIZE appropriately

diff --git a/crypt-tune-costs.c b/crypt-tune-costs.c
@@ -482,7 +482,7 @@ write_config (void)
     }
 }
 
-static NORETURN
+static NORETURN PRINTF_FMT(1,0)
 print_usage (const char *errmsg, ...)
 {
   FILE *dest;