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| author |   Namhyung Kim <namhyung@kernel.org> | 2015-10-25 00:49:27 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-10-27 09:28:44 -0300 |
| commit | c71183697250b356be6c7c1abc2e9a74073e1dca (patch) | |
| tree | 704044c1c38f9f0da738712b807fb01f201d3e59 /tools/perf/util/strbuf.h | |
| parent | perf tools: Setup pager when printing usage and help (diff) | |
| download | wireguard-linux-c71183697250b356be6c7c1abc2e9a74073e1dca.tar.xz wireguard-linux-c71183697250b356be6c7c1abc2e9a74073e1dca.zip | |
perf tools: Introduce usage_with_options_msg()
Now usage_with_options() setup a pager before printing message so normal
printf() or pr_err() will not be shown. The usage_with_options_msg()
can be used to print some help message before usage strings.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445701767-12731-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/strbuf.h')
| -rw-r--r-- | tools/perf/util/strbuf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h index 436ac319f6c7..529f2f035249 100644 --- a/tools/perf/util/strbuf.h +++ b/tools/perf/util/strbuf.h @@ -39,6 +39,7 @@ */ #include <assert.h> +#include <stdarg.h> extern char strbuf_slopbuf[]; struct strbuf { @@ -85,6 +86,7 @@ static inline void strbuf_addstr(struct strbuf *sb, const char *s) { __attribute__((format(printf,2,3))) extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...); +extern void strbuf_addv(struct strbuf *sb, const char *fmt, va_list ap); /* XXX: if read fails, any partial read is undone */ extern ssize_t strbuf_read(struct strbuf *, int fd, ssize_t hint); |