diff options
Diffstat (limited to 'include/c99_snprintf.h')
-rw-r--r-- | include/c99_snprintf.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/c99_snprintf.h b/include/c99_snprintf.h new file mode 100644 index 000000000000..f5c1bf0e117c --- /dev/null +++ b/include/c99_snprintf.h @@ -0,0 +1,28 @@ +/* + * ntp_c99_snprintf.h + * + * Included from config.h to deal with replacing [v]snprintf() on older + * systems. The #undef lines below cannot be directly in config.h as + * config.status modifies each #undef in config.h.in to either be a + * commented-out #undef or a functional #define. Here they are used + * to avoid redefinition warnings on systems such as macos ca. 2024 + * where system headers define [v]snprintf as preprocessor macros. + * + * Do not include this file directly, leave it to config.h. + */ + +#if !defined(_KERNEL) && !defined(PARSESTREAM) +/* + * stdio.h must be included in config.h after _GNU_SOURCE is defined + * but before #define snprintf rpl_snprintf + */ +# include <stdio.h> +#endif + +#ifdef HW_WANT_RPL_SNPRINTF +# undef snprintf +#endif +#ifdef HW_WANT_RPL_VSNPRINTF +# undef vsnprintf +#endif + |