Mercurial > molko
view libmlk-core/mlk/core/trace.c @ 602:7e168493f0bd
cmake: fix NLS required
author | David Demelier <markand@malikania.fr> |
---|---|
date | Thu, 10 Aug 2023 21:16:05 +0200 |
parents | 970cad994a95 |
children |
line wrap: on
line source
/* * trace.h -- non-fatal message logs * * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <assert.h> #include <stdio.h> #include <time.h> #include "trace.h" static void default_handler(const char *line) { assert(line); puts(line); } void (*mlk_trace_handler)(const char *) = default_handler; void mlk_tracef(const char *fmt, ...) { assert(fmt); va_list ap; if (!mlk_trace_handler) return; va_start(ap, fmt); mlk_traceva(fmt, ap); va_end(ap); } void mlk_traceva(const char *fmt, va_list ap) { assert(fmt); time_t timestamp; struct tm *calendar; size_t nw; char buf[MLK_TRACE_LINE_MAX + 16]; if (!mlk_trace_handler) return; /* * Append default timestamp so that a line looks like this: * * 10:10:59: hello world */ timestamp = time(NULL); calendar = localtime(×tamp); nw = strftime(buf, sizeof (buf), "%T: ", calendar); vsnprintf(buf + nw, sizeof (buf) - nw, fmt, ap); mlk_trace_handler(buf); }