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trace: add trace_strbuf

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If you happen to have a strbuf, it is a little more readable
and a little more efficient to be able to print it directly
instead of jamming it through the trace_printf interface.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2011-02-24 09:29:50 -05:00 committed by Junio C Hamano
parent 39bc5e4680
commit 94b3b37464
2 changed files with 17 additions and 7 deletions
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1
cache.h
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@ -1072,6 +1072,7 @@ __attribute__((format (printf, 2, 3)))
extern void trace_argv_printf(const char **argv, const char *format, ...);
extern void trace_repo_setup(const char *prefix);
extern int trace_want(const char *key);
extern void trace_strbuf(const char *key, const struct strbuf *buf);
/* convert.c */
/* returns 1 if *dst was used */

23
trace.c
View file

@ -65,19 +65,14 @@ static const char err_msg[] = "Could not trace into fd given by "
void trace_vprintf(const char *key, const char *fmt, va_list ap)
{
struct strbuf buf = STRBUF_INIT;
int fd, need_close = 0;
fd = get_trace_fd(key, &need_close);
if (!fd)
if (!trace_want(key))
return;
set_try_to_free_routine(NULL); /* is never reset */
strbuf_vaddf(&buf, fmt, ap);
write_or_whine_pipe(fd, buf.buf, buf.len, err_msg);
trace_strbuf(key, &buf);
strbuf_release(&buf);
if (need_close)
close(fd);
}
void trace_printf_key(const char *key, const char *fmt, ...)
@ -96,6 +91,20 @@ void trace_printf(const char *fmt, ...)
va_end(ap);
}
void trace_strbuf(const char *key, const struct strbuf *buf)
{
int fd, need_close = 0;
fd = get_trace_fd(key, &need_close);
if (!fd)
return;
write_or_whine_pipe(fd, buf->buf, buf->len, err_msg);
if (need_close)
close(fd);
}
void trace_argv_printf(const char **argv, const char *fmt, ...)
{
struct strbuf buf = STRBUF_INIT;