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tools: Adopt __printf from kernel sources

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To have a more compact way to ask the compiler to perform printf like
vargargs validation.

v2: Fixed up build on arm, squashing a patch by Kim Phillips, thanks!

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-dopkqmmuqs04cxzql0024nnu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2017-06-16 11:57:54 -03:00
parent 6c3466435b
commit afaed6d3e4
8 changed files with 21 additions and 23 deletions
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4
tools/perf/util/strbuf.h
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@@ -42,6 +42,7 @@
#include <stdarg.h>
#include <stddef.h>
#include <string.h>
#include <linux/compiler.h>
#include <sys/types.h>
extern char strbuf_slopbuf[];
@@ -85,8 +86,7 @@ static inline int strbuf_addstr(struct strbuf *sb, const char *s) {
return strbuf_add(sb, s, strlen(s));
}
__attribute__((format(printf,2,3)))
int strbuf_addf(struct strbuf *sb, const char *fmt, ...);
int strbuf_addf(struct strbuf *sb, const char *fmt, ...) __printf(2, 3);
/* XXX: if read fails, any partial read is undone */
ssize_t strbuf_read(struct strbuf *, int fd, ssize_t hint);