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trace: add trace_vprintf

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This is a necessary cleanup to adding new types of trace
functions.

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 09:28:15 -05:00 committed by Junio C Hamano
parent 26db0f2e3a
commit c6053543f2
2 changed files with 10 additions and 5 deletions
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1
cache.h
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@ -1067,6 +1067,7 @@ extern void alloc_report(void);
/* trace.c */
__attribute__((format (printf, 1, 2)))
extern void trace_printf(const char *format, ...);
extern void trace_vprintf(const char *format, va_list ap);
__attribute__((format (printf, 2, 3)))
extern void trace_argv_printf(const char **argv, const char *format, ...);
extern void trace_repo_setup(const char *prefix);

14
trace.c
View File

@ -62,10 +62,9 @@ static int get_trace_fd(int *need_close)
static const char err_msg[] = "Could not trace into fd given by "
"GIT_TRACE environment variable";
void trace_printf(const char *fmt, ...)
void trace_vprintf(const char *fmt, va_list ap)
{
struct strbuf buf = STRBUF_INIT;
va_list ap;
int fd, need_close = 0;
fd = get_trace_fd(&need_close);
@ -73,10 +72,7 @@ void trace_printf(const char *fmt, ...)
return;
set_try_to_free_routine(NULL); /* is never reset */
va_start(ap, fmt);
strbuf_vaddf(&buf, fmt, ap);
va_end(ap);
write_or_whine_pipe(fd, buf.buf, buf.len, err_msg);
strbuf_release(&buf);
@ -84,6 +80,14 @@ void trace_printf(const char *fmt, ...)
close(fd);
}
void trace_printf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
trace_vprintf(fmt, ap);
va_end(ap);
}
void trace_argv_printf(const char **argv, const char *fmt, ...)
{
struct strbuf buf = STRBUF_INIT;