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| author | Zbigniew Chyla <zbigniew@chyla.pl> | 2015-01-16 15:46:59 +0100 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2015-01-21 10:47:42 -0500 |
| commit | 9b07a07f6fed92d1b041bfcd8a49ca7314f75ac3 (patch) | |
| tree | 4eb913a03a7b9261f5f4c9d156466fd7eec5ce58 /compiler.h | |
| parent | fca5b90829621e119a310225b4f1358cd6914d5c (diff) | |
| download | gpsd-9b07a07f6fed92d1b041bfcd8a49ca7314f75ac3.tar.gz | |
Add compiler.h with compiler specific macros.
Use new macros (UNUSED, PRINTF_FUNC) where appropriate.
This change doesn't affect generated binary code.
Diffstat (limited to 'compiler.h')
| -rw-r--r-- | compiler.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/compiler.h b/compiler.h new file mode 100644 index 00000000..9d6f3629 --- /dev/null +++ b/compiler.h @@ -0,0 +1,25 @@ +/* + * compiler.h - compiler specific macros + * + * This software is distributed under a BSD-style license. See the + * file "COPYING" in the toop-level directory of the distribution for details. + */ +#ifndef _GPSD_COMPILER_H_ +#define _GPSD_COMPILER_H_ + +/* Macro for declaring function with printf-like arguments. */ +# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) +#define PRINTF_FUNC(format_index, arg_index) \ + __attribute__((__format__(__printf__, format_index, arg_index))) +# else +#define PRINTF_FUNC(format_index, arg_indx) +#endif + +/* Macro for declaring function arguments unused. */ +#if defined(__GNUC__) +#define UNUSED __attribute__((unused)) +#else +#define UNUSED +#endif + +#endif /* _GPSD_COMPILER_H_ */ |