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author | David Gibson <david@gibson.dropbear.id.au> | 2017-02-28 10:09:45 +1100 |
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committer | David Gibson <david@gibson.dropbear.id.au> | 2017-02-28 10:09:45 +1100 |
commit | 34a9886a177f9e22930cec7eccda88df4a9f4838 (patch) | |
tree | ef2a5d3aaf066626dd2022e54d72637b28aa2e63 /util.h | |
parent | f72508e2b6ca16016862b937ca1584b282fa637c (diff) | |
download | device-tree-compiler-34a9886a177f9e22930cec7eccda88df4a9f4838.tar.gz |
Add printf format attributes
When compiling with gcc, we already include the attribute on check_msg()
to give compiler warnings about mismatches between printf() like format
strings and the corresponding arguments. This patch adds similar
attributes for lexical_error() and die().
Suggested-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'util.h')
-rw-r--r-- | util.h | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -27,7 +27,13 @@ #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) -static inline void __attribute__((noreturn)) die(const char *str, ...) +#ifdef __GNUC__ +static inline void +__attribute__((noreturn)) __attribute__((format (printf, 1, 2))) +die(const char *str, ...) +#else +static inline void die(const char *str, ...) +#endif { va_list ap; @@ -59,7 +65,13 @@ static inline void *xrealloc(void *p, size_t len) } extern char *xstrdup(const char *s); + +#ifdef __GNUC__ +extern int __attribute__((format (printf, 2, 3))) +xasprintf(char **strp, const char *fmt, ...); +#else extern int xasprintf(char **strp, const char *fmt, ...); +#endif extern char *join_path(const char *path, const char *name); /** |