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pacman/lib/libalpm/log.c
Dan McGee a32ca90192 Remove logmask stuff from backend; switch logging callback to new pm_printf
Remove the logmask functionality from the backend as it has been moved to
the frontend, and change the logging callback function to use pm_printf.

In addition, make much better use of va_list- use the args list instead
of a arbitrarily chosen string to print to in the logging functions.

Signed-off-by: Dan McGee <dan@archlinux.org>
2007-06-09 12:57:50 -04:00

89 lines
2.2 KiB
C

/*
* log.c
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include "config.h"
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
/* libalpm */
#include "log.h"
#include "handle.h"
#include "util.h"
#include "error.h"
#include "alpm.h"
/** \addtogroup alpm_log Logging Functions
* @brief Functions to log using libalpm
* @{
*/
/** A printf-like function for logging.
* @param fmt output format
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
int SYMEXPORT alpm_logaction(char *fmt, ...)
{
int ret;
va_list args;
ALPM_LOG_FUNC;
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
va_start(args, fmt);
ret = _alpm_logaction(handle->usesyslog, handle->logfd, fmt, args);
va_end(args);
/* TODO We should add a prefix to log strings depending on who called us.
* If logaction was called by the frontend:
* USER: <the frontend log>
* and if called internally:
* ALPM: <the library log>
* Moreover, the frontend should be able to choose its prefix
* (USER by default?):
* pacman: "PACMAN"
* kpacman: "KPACMAN"
* This would allow us to share the log file between several frontends
* and know who does what */
return(ret);
}
/** @} */
void _alpm_log(pmloglevel_t flag, char *fmt, ...)
{
va_list args;
alpm_cb_log logcb = alpm_option_get_logcb();
if(logcb == NULL) {
return;
}
va_start(args, fmt);
logcb(flag, fmt, args);
va_end(args);
}
/* vim: set ts=2 sw=2 noet: */