Add an autoconf feature test for format_arg and a jemalloc-specific

macro for it.
2019-03-15 20:19:16 -04:00
parent 14e4176758
commit 7f7935cf78
4 changed files with 22 additions and 1 deletions
--- a/include/jemalloc/internal/emitter.h
+++ b/include/jemalloc/internal/emitter.h
@@ -86,7 +86,7 @@ emitter_printf(emitter_t *emitter, const char *format, ...) {
 	va_end(ap);
 }

-static inline const char * __attribute__((__format_arg__(3)))
+static inline const char * JEMALLOC_FORMAT_ARG(3)
 emitter_gen_fmt(char *out_fmt, size_t out_size, const char *fmt_specifier,
    emitter_justify_t justify, int width) {
 	size_t written;