diff options
Diffstat (limited to 'prism/compiler/format.h')
| -rw-r--r-- | prism/compiler/format.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/prism/compiler/format.h b/prism/compiler/format.h new file mode 100644 index 0000000000..32f4c3c6d7 --- /dev/null +++ b/prism/compiler/format.h @@ -0,0 +1,25 @@ +/** + * @file compiler/format.h + */ +#ifndef PRISM_COMPILER_FORMAT_H +#define PRISM_COMPILER_FORMAT_H + +/** + * Certain compilers support specifying that a function accepts variadic + * parameters that look like printf format strings to provide a better developer + * experience when someone is using the function. This macro does that in a + * compiler-agnostic way. + */ +#if defined(__GNUC__) +# if defined(__MINGW_PRINTF_FORMAT) +# define PRISM_ATTRIBUTE_FORMAT(fmt_idx_, arg_idx_) __attribute__((format(__MINGW_PRINTF_FORMAT, fmt_idx_, arg_idx_))) +# else +# define PRISM_ATTRIBUTE_FORMAT(fmt_idx_, arg_idx_) __attribute__((format(printf, fmt_idx_, arg_idx_))) +# endif +#elif defined(__clang__) +# define PRISM_ATTRIBUTE_FORMAT(fmt_idx_, arg_idx_) __attribute__((__format__(__printf__, fmt_idx_, arg_idx_))) +#else +# define PRISM_ATTRIBUTE_FORMAT(fmt_idx_, arg_idx_) +#endif + +#endif |