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/*
* libmowgli: A collection of useful routines for programming.
* logger.c: Event and debugging message logging.
*
* Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
*
* 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 is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "mowgli.h"
#define MOWGLI_LOG_BUF_SIZE 4096
char _mowgli_log_buf[MOWGLI_LOG_BUF_SIZE];
mowgli_log_cb_t _mowgli_log_cb;
void
mowgli_log_cb_default(const char *buf)
{
fprintf(stderr, "%s\n", buf);
}
void
mowgli_log_bootstrap()
{
_mowgli_log_cb = mowgli_log_cb_default;
}
void
mowgli_log_set_cb(mowgli_log_cb_t callback)
{
return_if_fail(callback != NULL);
_mowgli_log_cb = callback;
}
void
mowgli_log_prefix_real(const char *file, int line, const char *func, const char *prefix, const char *fmt, ...)
{
int len = snprintf(_mowgli_log_buf, MOWGLI_LOG_BUF_SIZE, "(%s:%d %s): %s",
file, line, func, prefix);
char *buf = &_mowgli_log_buf[len];
va_list va;
va_start(va, fmt);
vsnprintf(buf, MOWGLI_LOG_BUF_SIZE - len, fmt, va);
va_end(va);
_mowgli_log_cb(_mowgli_log_buf);
}
/* TODO: remove next time there is a LIB_MAJOR bump */
void
mowgli_log_real(const char *file, int line, const char *func, const char *fmt, ...)
{
int len = snprintf(_mowgli_log_buf, 4095, "(%s:%d %s): ", file, line,
func);
char *buf = &_mowgli_log_buf[len];
va_list va;
va_start(va, fmt);
vsnprintf(buf, 4095 - len, fmt, va);
va_end(va);
_mowgli_log_cb(_mowgli_log_buf);
}
/* TODO: remove next time there is a LIB_MAJOR bump */
void
mowgli_soft_assert_log(const char *asrt, const char *file, int line, const char *function)
{
snprintf(_mowgli_log_buf, 4095,
"(%s:%d %s): critical: Assertion '%s' failed.", file, line,
function, asrt);
_mowgli_log_cb(_mowgli_log_buf);
}
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