trace: add trace_strbuf
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>
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39bc5e4680
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94b3b37464
1
cache.h
1
cache.h
@ -1072,6 +1072,7 @@ __attribute__((format (printf, 2, 3)))
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extern void trace_argv_printf(const char **argv, const char *format, ...);
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extern void trace_repo_setup(const char *prefix);
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extern int trace_want(const char *key);
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extern void trace_strbuf(const char *key, const struct strbuf *buf);
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/* convert.c */
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/* returns 1 if *dst was used */
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23
trace.c
23
trace.c
@ -65,19 +65,14 @@ static const char err_msg[] = "Could not trace into fd given by "
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void trace_vprintf(const char *key, const char *fmt, va_list ap)
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{
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struct strbuf buf = STRBUF_INIT;
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int fd, need_close = 0;
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fd = get_trace_fd(key, &need_close);
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if (!fd)
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if (!trace_want(key))
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return;
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set_try_to_free_routine(NULL); /* is never reset */
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strbuf_vaddf(&buf, fmt, ap);
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write_or_whine_pipe(fd, buf.buf, buf.len, err_msg);
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trace_strbuf(key, &buf);
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strbuf_release(&buf);
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if (need_close)
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close(fd);
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}
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void trace_printf_key(const char *key, const char *fmt, ...)
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@ -96,6 +91,20 @@ void trace_printf(const char *fmt, ...)
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va_end(ap);
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}
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void trace_strbuf(const char *key, const struct strbuf *buf)
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{
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int fd, need_close = 0;
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fd = get_trace_fd(key, &need_close);
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if (!fd)
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return;
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write_or_whine_pipe(fd, buf->buf, buf->len, err_msg);
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if (need_close)
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close(fd);
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}
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void trace_argv_printf(const char **argv, const char *fmt, ...)
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{
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struct strbuf buf = STRBUF_INIT;
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