weston/libweston/log.c

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/*
* Copyright © 2012 Martin Minarik
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include <wayland-util.h>
#include "compositor.h"
static log_func_t log_handler = 0;
static log_func_t log_continue_handler = 0;
/** Install the log handler
*
* The given functions will be called to output text as passed to the
* \a weston_log and \a weston_log_continue functions.
*
* \param log The log function. This function will be called when
* \a weston_log is called, and should begin a new line,
* with user defined line headers, if any.
* \param cont The continue log function. This function will be called
* when \a weston_log_continue is called, and should append
* its output to the current line, without any header or
* other content in between.
*/
WL_EXPORT void
weston_log_set_handler(log_func_t log, log_func_t cont)
{
log_handler = log;
log_continue_handler = cont;
}
WL_EXPORT int
weston_vlog(const char *fmt, va_list ap)
{
return log_handler(fmt, ap);
}
WL_EXPORT int
weston_log(const char *fmt, ...)
{
int l;
va_list argp;
va_start(argp, fmt);
l = weston_vlog(fmt, argp);
va_end(argp);
return l;
}
WL_EXPORT int
weston_vlog_continue(const char *fmt, va_list argp)
{
return log_continue_handler(fmt, argp);
}
WL_EXPORT int
weston_log_continue(const char *fmt, ...)
{
int l;
va_list argp;
va_start(argp, fmt);
l = weston_vlog_continue(fmt, argp);
va_end(argp);
return l;
}