#else
# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
#endif
-#define _GL_ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
+
+/* _GL_ATTRIBUTE_FORMAT_PRINTF
+ indicates to GCC that the function takes a format string and arguments,
+ where the format string directives are the ones standardized by ISO C99
+ and POSIX. */
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
+# define _GL_ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
+ _GL_ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
+#else
+# define _GL_ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
+ _GL_ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
+#endif
+
+/* _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM is like _GL_ATTRIBUTE_FORMAT_PRINTF,
+ except that it indicates to GCC that the supported format string directives
+ are the ones of the system printf(), rather than the ones standardized by
+ ISO C99 and POSIX. */
+#define _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM(formatstring_parameter, first_argument) \
_GL_ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
/* Solaris 10 declares renameat in <unistd.h>, not in <stdio.h>. */
# define fprintf rpl_fprintf
# endif
# define GNULIB_overrides_fprintf 1
+# if @GNULIB_FPRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
_GL_FUNCDECL_RPL (fprintf, int, (FILE *fp, const char *format, ...)
_GL_ATTRIBUTE_FORMAT_PRINTF (2, 3)
_GL_ARG_NONNULL ((1, 2)));
+# else
+_GL_FUNCDECL_RPL (fprintf, int, (FILE *fp, const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 3)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
_GL_CXXALIAS_RPL (fprintf, int, (FILE *fp, const char *format, ...));
# else
_GL_CXXALIAS_SYS (fprintf, int, (FILE *fp, const char *format, ...));
/* Don't break __attribute__((format(printf,M,N))). */
# define printf __printf__
# endif
+# if @GNULIB_PRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
_GL_FUNCDECL_RPL_1 (__printf__, int,
(const char *format, ...)
__asm__ (@ASM_SYMBOL_PREFIX@
_GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf))
_GL_ATTRIBUTE_FORMAT_PRINTF (1, 2)
_GL_ARG_NONNULL ((1)));
+# else
+_GL_FUNCDECL_RPL_1 (__printf__, int,
+ (const char *format, ...)
+ __asm__ (@ASM_SYMBOL_PREFIX@
+ _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf))
+ _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 2)
+ _GL_ARG_NONNULL ((1)));
+# endif
_GL_CXXALIAS_RPL_1 (printf, __printf__, int, (const char *format, ...));
# else
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define vfprintf rpl_vfprintf
# endif
# define GNULIB_overrides_vfprintf 1
+# if @GNULIB_VFPRINTF_POSIX@
_GL_FUNCDECL_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args)
_GL_ATTRIBUTE_FORMAT_PRINTF (2, 0)
_GL_ARG_NONNULL ((1, 2)));
+# else
+_GL_FUNCDECL_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 0)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
_GL_CXXALIAS_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args));
# else
/* Need to cast, because on Solaris, the third parameter is
# define vprintf rpl_vprintf
# endif
# define GNULIB_overrides_vprintf 1
+# if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
_GL_FUNCDECL_RPL (vprintf, int, (const char *format, va_list args)
_GL_ATTRIBUTE_FORMAT_PRINTF (1, 0)
_GL_ARG_NONNULL ((1)));
+# else
+_GL_FUNCDECL_RPL (vprintf, int, (const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 0)
+ _GL_ARG_NONNULL ((1)));
+# endif
_GL_CXXALIAS_RPL (vprintf, int, (const char *format, va_list args));
# else
/* Need to cast, because on Solaris, the second parameter is