Add an autoconf feature test for format_arg and a jemalloc-specific
macro for it.
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parent
14e4176758
commit
7f7935cf78
12
configure.ac
12
configure.ac
@ -851,6 +851,18 @@ if test "x${je_cv_format_printf}" = "xyes" ; then
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AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_PRINTF], [ ])
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fi
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dnl Check for format_arg(...) attribute support.
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JE_CFLAGS_SAVE()
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JE_CFLAGS_ADD([-Werror])
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JE_CFLAGS_ADD([-herror_on_warning])
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JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>],
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[const char * __attribute__((__format_arg__(1))) foo(const char *format);],
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[je_cv_format_arg])
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JE_CFLAGS_RESTORE()
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if test "x${je_cv_format_arg}" = "xyes" ; then
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AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_ARG], [ ])
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fi
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dnl Support optional additions to rpath.
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AC_ARG_WITH([rpath],
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[AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])],
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@ -86,7 +86,7 @@ emitter_printf(emitter_t *emitter, const char *format, ...) {
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va_end(ap);
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}
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static inline const char * __attribute__((__format_arg__(3)))
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static inline const char * JEMALLOC_FORMAT_ARG(3)
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emitter_gen_fmt(char *out_fmt, size_t out_size, const char *fmt_specifier,
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emitter_justify_t justify, int width) {
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size_t written;
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@ -4,6 +4,9 @@
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/* Defined if alloc_size attribute is supported. */
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#undef JEMALLOC_HAVE_ATTR_ALLOC_SIZE
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/* Defined if format_arg(...) attribute is supported. */
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#undef JEMALLOC_HAVE_ATTR_FORMAT_ARG
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/* Defined if format(gnu_printf, ...) attribute is supported. */
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#undef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF
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@ -69,6 +69,7 @@
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# define JEMALLOC_EXPORT __declspec(dllimport)
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# endif
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# endif
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# define JEMALLOC_FORMAT_ARG(i)
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# define JEMALLOC_FORMAT_PRINTF(s, i)
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# define JEMALLOC_NOINLINE __declspec(noinline)
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# ifdef __cplusplus
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@ -96,6 +97,11 @@
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# ifndef JEMALLOC_EXPORT
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# define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default"))
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# endif
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# ifdef JEMALLOC_HAVE_ATTR_FORMAT_ARG
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# define JEMALLOC_FORMAT_ARG(i) JEMALLOC_ATTR(__format_arg__(3))
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# else
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# define JEMALLOC_FORMAT_ARG(i)
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# endif
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# ifdef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF
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# define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(gnu_printf, s, i))
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# elif defined(JEMALLOC_HAVE_ATTR_FORMAT_PRINTF)
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