diff options
Diffstat (limited to 'trace.c')
| -rw-r--r-- | trace.c | 32 |
1 files changed, 6 insertions, 26 deletions
@@ -64,28 +64,18 @@ static const char err_msg[] = "Could not trace into fd given by " void trace_printf(const char *fmt, ...) { - struct strbuf buf; + struct strbuf buf = STRBUF_INIT; va_list ap; - int fd, len, need_close = 0; + int fd, need_close = 0; fd = get_trace_fd(&need_close); if (!fd) return; set_try_to_free_routine(NULL); /* is never reset */ - strbuf_init(&buf, 64); va_start(ap, fmt); - len = vsnprintf(buf.buf, strbuf_avail(&buf), fmt, ap); + strbuf_vaddf(&buf, fmt, ap); va_end(ap); - if (len >= strbuf_avail(&buf)) { - strbuf_grow(&buf, len - strbuf_avail(&buf) + 128); - va_start(ap, fmt); - len = vsnprintf(buf.buf, strbuf_avail(&buf), fmt, ap); - va_end(ap); - if (len >= strbuf_avail(&buf)) - die("broken vsnprintf"); - } - strbuf_setlen(&buf, len); write_or_whine_pipe(fd, buf.buf, buf.len, err_msg); strbuf_release(&buf); @@ -96,28 +86,18 @@ void trace_printf(const char *fmt, ...) void trace_argv_printf(const char **argv, const char *fmt, ...) { - struct strbuf buf; + struct strbuf buf = STRBUF_INIT; va_list ap; - int fd, len, need_close = 0; + int fd, need_close = 0; fd = get_trace_fd(&need_close); if (!fd) return; set_try_to_free_routine(NULL); /* is never reset */ - strbuf_init(&buf, 64); va_start(ap, fmt); - len = vsnprintf(buf.buf, strbuf_avail(&buf), fmt, ap); + strbuf_vaddf(&buf, fmt, ap); va_end(ap); - if (len >= strbuf_avail(&buf)) { - strbuf_grow(&buf, len - strbuf_avail(&buf) + 128); - va_start(ap, fmt); - len = vsnprintf(buf.buf, strbuf_avail(&buf), fmt, ap); - va_end(ap); - if (len >= strbuf_avail(&buf)) - die("broken vsnprintf"); - } - strbuf_setlen(&buf, len); sq_quote_argv(&buf, argv, 0); strbuf_addch(&buf, '\n'); |