mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-16 06:15:08 -05:00
239 lines
6.5 KiB
C
239 lines
6.5 KiB
C
/*
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* handle.c
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*
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <stdarg.h>
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#include <syslog.h>
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/* pacman */
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#include "util.h"
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#include "log.h"
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#include "list.h"
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#include "error.h"
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#include "trans.h"
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#include "alpm.h"
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#include "handle.h"
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/* log */
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extern alpm_cb_log pm_logcb;
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extern unsigned char pm_logmask;
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pmhandle_t *handle_new()
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{
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pmhandle_t *handle;
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handle = (pmhandle_t *)malloc(sizeof(pmhandle_t));
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if(handle == NULL) {
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_alpm_log(PM_LOG_ERROR, "malloc failure: could not allocate %d bytes", sizeof(pmhandle_t));
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RET_ERR(PM_ERR_MEMORY, NULL);
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}
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memset(handle, 0, sizeof(pmhandle_t));
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handle->lckfd = -1;
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#ifndef CYGWIN
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/* see if we're root or not */
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handle->uid = geteuid();
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#ifndef FAKEROOT
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if(!handle->uid && getenv("FAKEROOTKEY")) {
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/* fakeroot doesn't count, we're non-root */
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handle->uid = 99;
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}
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#endif
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/* see if we're root or not (fakeroot does not count) */
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#ifndef FAKEROOT
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if(handle->uid == 0 && !getenv("FAKEROOTKEY")) {
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#else
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if(handle->uid == 0) {
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#endif
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handle->access = PM_ACCESS_RW;
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} else {
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handle->access = PM_ACCESS_RO;
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}
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#else
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handle->access = PM_ACCESS_RW;
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#endif
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handle->dbpath = strdup(PM_DBPATH);
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handle->cachedir = strdup(PM_CACHEDIR);
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return(handle);
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}
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int handle_free(pmhandle_t *handle)
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{
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ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
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/* close logfiles */
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if(handle->logfd) {
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fclose(handle->logfd);
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handle->logfd = NULL;
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}
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if(handle->usesyslog) {
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handle->usesyslog = 0;
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closelog();
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}
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/* free memory */
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FREETRANS(handle->trans);
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FREE(handle->root);
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FREE(handle->dbpath);
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FREE(handle->cachedir);
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FREE(handle->logfile);
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FREELIST(handle->dbs_sync);
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FREELIST(handle->noupgrade);
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FREELIST(handle->noextract);
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FREELIST(handle->ignorepkg);
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free(handle);
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return(0);
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}
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int handle_set_option(pmhandle_t *handle, unsigned char val, unsigned long data)
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{
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/* Sanity checks */
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ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
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switch(val) {
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case PM_OPT_DBPATH:
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if(handle->dbpath) {
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FREE(handle->dbpath);
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}
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handle->dbpath = strdup((data && strlen((char *)data) != 0) ? (char *)data : PM_DBPATH);
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_DBPATH set to '%s'", handle->dbpath);
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break;
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case PM_OPT_CACHEDIR:
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if(handle->cachedir) {
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FREE(handle->cachedir);
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}
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handle->cachedir = strdup((data && strlen((char *)data) != 0) ? (char *)data : PM_CACHEDIR);
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_CACHEDIR set to '%s'", handle->cachedir);
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break;
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case PM_OPT_LOGFILE:
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if((char *)data == NULL || handle->uid != 0) {
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return(0);
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}
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if(handle->logfile) {
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FREE(handle->logfile);
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}
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if(handle->logfd) {
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if(fclose(handle->logfd) != 0) {
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handle->logfd = NULL;
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RET_ERR(PM_ERR_OPT_LOGFILE, -1);
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}
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handle->logfd = NULL;
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}
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if((handle->logfd = fopen((char *)data, "a")) == NULL) {
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_alpm_log(PM_LOG_ERROR, "can't open log file %s", (char *)data);
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RET_ERR(PM_ERR_OPT_LOGFILE, -1);
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}
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handle->logfile = strdup((char *)data);
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_LOGFILE set to '%s'", (char *)data);
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break;
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case PM_OPT_NOUPGRADE:
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if((char *)data && strlen((char *)data) != 0) {
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handle->noupgrade = _alpm_list_add(handle->noupgrade, strdup((char *)data));
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_alpm_log(PM_LOG_FLOW2, "'%s' added to PM_OPT_NOUPGRADE", (char *)data);
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} else {
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FREELIST(handle->noupgrade);
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_NOUPGRADE flushed");
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}
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break;
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case PM_OPT_NOEXTRACT:
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if((char *)data && strlen((char *)data) != 0) {
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handle->noextract = _alpm_list_add(handle->noextract, strdup((char *)data));
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_alpm_log(PM_LOG_FLOW2, "'%s' added to PM_OPT_NOEXTRACT", (char *)data);
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} else {
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FREELIST(handle->noextract);
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_NOEXTRACT flushed");
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}
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break;
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case PM_OPT_IGNOREPKG:
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if((char *)data && strlen((char *)data) != 0) {
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handle->ignorepkg = _alpm_list_add(handle->ignorepkg, strdup((char *)data));
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_alpm_log(PM_LOG_FLOW2, "'%s' added to PM_OPT_IGNOREPKG", (char *)data);
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} else {
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FREELIST(handle->ignorepkg);
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_IGNOREPKG flushed");
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}
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break;
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case PM_OPT_USESYSLOG:
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if(data != 0 && data != 1) {
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RET_ERR(PM_ERR_OPT_USESYSLOG, -1);
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}
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if(handle->usesyslog == data) {
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return(0);
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}
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if(handle->usesyslog) {
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closelog();
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} else {
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openlog("alpm", 0, LOG_USER);
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}
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handle->usesyslog = (unsigned short)data;
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_USESYSLOG set to '%d'", handle->usesyslog);
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break;
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case PM_OPT_LOGCB:
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pm_logcb = (alpm_cb_log)data;
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break;
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case PM_OPT_LOGMASK:
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pm_logmask = (unsigned char)data;
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_alpm_log(PM_LOG_FLOW2, "PM_OPT_LOGMASK set to '%02x'", (unsigned char)data);
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break;
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default:
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RET_ERR(PM_ERR_WRONG_ARGS, -1);
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}
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return(0);
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}
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int handle_get_option(pmhandle_t *handle, unsigned char val, long *data)
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{
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/* Sanity checks */
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ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
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switch(val) {
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case PM_OPT_ROOT: *data = (long)handle->root; break;
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case PM_OPT_DBPATH: *data = (long)handle->dbpath; break;
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case PM_OPT_CACHEDIR: *data = (long)handle->cachedir; break;
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case PM_OPT_LOCALDB: *data = (long)handle->db_local; break;
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case PM_OPT_SYNCDB: *data = (long)handle->dbs_sync; break;
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case PM_OPT_LOGFILE: *data = (long)handle->logfile; break;
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case PM_OPT_NOUPGRADE: *data = (long)handle->noupgrade; break;
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case PM_OPT_NOEXTRACT: *data = (long)handle->noextract; break;
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case PM_OPT_IGNOREPKG: *data = (long)handle->ignorepkg; break;
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case PM_OPT_USESYSLOG: *data = handle->usesyslog; break;
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case PM_OPT_LOGCB: *data = (long)pm_logcb; break;
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case PM_OPT_LOGMASK: *data = pm_logmask; break;
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default:
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RET_ERR(PM_ERR_WRONG_ARGS, -1);
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break;
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}
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return(0);
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}
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/* vim: set ts=2 sw=2 noet: */
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