860e4c4943
Many of these are pointless (e.g. there is no need to explicitly turn on spellchecking and language dictionaries for the manpages by default). The only useful modelines are the ones enforcing the project coding standards for indentation style (and "maybe" filetype/syntax, but everything except the asciidoc manpages and makepkg.conf is already autodetected), and indent style can be applied more easily with .editorconfig Signed-off-by: Eli Schwartz <eschwartz@archlinux.org> Signed-off-by: Allan McRae <allan@archlinux.org>
123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
/*
|
|
* log.c
|
|
*
|
|
* Copyright (c) 2006-2018 Pacman Development Team <pacman-dev@archlinux.org>
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <errno.h>
|
|
#include <syslog.h>
|
|
|
|
/* libalpm */
|
|
#include "log.h"
|
|
#include "handle.h"
|
|
#include "util.h"
|
|
#include "alpm.h"
|
|
|
|
/** \addtogroup alpm_log Logging Functions
|
|
* @brief Functions to log using libalpm
|
|
* @{
|
|
*/
|
|
|
|
static int _alpm_log_leader(FILE *f, const char *prefix)
|
|
{
|
|
time_t t = time(NULL);
|
|
struct tm *tm = localtime(&t);
|
|
|
|
/* Use ISO-8601 date format */
|
|
return fprintf(f, "[%04d-%02d-%02d %02d:%02d] [%s] ",
|
|
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
|
|
tm->tm_hour, tm->tm_min, prefix);
|
|
}
|
|
|
|
/** A printf-like function for logging.
|
|
* @param handle the context handle
|
|
* @param prefix caller-specific prefix for the log
|
|
* @param fmt output format
|
|
* @return 0 on success, -1 on error (pm_errno is set accordingly)
|
|
*/
|
|
int SYMEXPORT alpm_logaction(alpm_handle_t *handle, const char *prefix,
|
|
const char *fmt, ...)
|
|
{
|
|
int ret = 0;
|
|
va_list args;
|
|
|
|
ASSERT(handle != NULL, return -1);
|
|
|
|
if(!(prefix && *prefix)) {
|
|
prefix = "UNKNOWN";
|
|
}
|
|
|
|
/* check if the logstream is open already, opening it if needed */
|
|
if(handle->logstream == NULL && handle->logfile != NULL) {
|
|
int fd;
|
|
do {
|
|
fd = open(handle->logfile, O_WRONLY | O_APPEND | O_CREAT | O_CLOEXEC,
|
|
0644);
|
|
} while(fd == -1 && errno == EINTR);
|
|
/* if we couldn't open it, we have an issue */
|
|
if(fd < 0 || (handle->logstream = fdopen(fd, "a")) == NULL) {
|
|
if(errno == EACCES) {
|
|
handle->pm_errno = ALPM_ERR_BADPERMS;
|
|
} else if(errno == ENOENT) {
|
|
handle->pm_errno = ALPM_ERR_NOT_A_DIR;
|
|
} else {
|
|
handle->pm_errno = ALPM_ERR_SYSTEM;
|
|
}
|
|
ret = -1;
|
|
}
|
|
}
|
|
|
|
va_start(args, fmt);
|
|
|
|
if(handle->usesyslog) {
|
|
/* we can't use a va_list more than once, so we need to copy it
|
|
* so we can use the original when calling vfprintf below. */
|
|
va_list args_syslog;
|
|
va_copy(args_syslog, args);
|
|
vsyslog(LOG_WARNING, fmt, args_syslog);
|
|
va_end(args_syslog);
|
|
}
|
|
|
|
if(handle->logstream) {
|
|
if(_alpm_log_leader(handle->logstream, prefix) < 0
|
|
|| vfprintf(handle->logstream, fmt, args) < 0) {
|
|
ret = -1;
|
|
handle->pm_errno = ALPM_ERR_SYSTEM;
|
|
}
|
|
fflush(handle->logstream);
|
|
}
|
|
|
|
va_end(args);
|
|
return ret;
|
|
}
|
|
|
|
/** @} */
|
|
|
|
void _alpm_log(alpm_handle_t *handle, alpm_loglevel_t flag, const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if(handle == NULL || handle->logcb == NULL) {
|
|
return;
|
|
}
|
|
|
|
va_start(args, fmt);
|
|
handle->logcb(flag, fmt, args);
|
|
va_end(args);
|
|
}
|