Bug 1197324 - add format-string checking attribute to snprintf_litera…

…l. r=froydnj
iaxat · Aug 3, 2016 · e60715f · e60715f
1 parent 4b86468
commit e60715f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/mfbt/Snprintf.h b/mfbt/Snprintf.h
@@ -18,6 +18,9 @@
 // buffer, avoiding the need for the user to pass it in explicitly.
 #ifdef __cplusplus
 template <size_t N>
+#if defined(__GNUC__)
+  __attribute__((format(printf, 2, 3)))
+#endif
 int snprintf_literal(char (&buffer)[N], const char* format, ...)
 {
   va_list args;