mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-02 08:35:06 -04:00
d37ad04873
handling changes (support [sections] to carry over to included files - this helps with backwards compatibility with existing pacman config files)
482 lines
13 KiB
C
482 lines
13 KiB
C
/*
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* package.c
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*
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
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* Copyright (c) 2005, 2006 by Christian Hamar <krics@linuxforum.hu>
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* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.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 <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <fcntl.h>
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#include <string.h>
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#include <libintl.h>
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#include <locale.h>
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/* pacman */
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#include "log.h"
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#include "util.h"
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#include "error.h"
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#include "list.h"
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#include "package.h"
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#include "alpm.h"
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pmpkg_t *_alpm_pkg_new(const char *name, const char *version)
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{
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pmpkg_t* pkg = NULL;
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if((pkg = (pmpkg_t *)malloc(sizeof(pmpkg_t))) == NULL) {
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RET_ERR(PM_ERR_MEMORY, (pmpkg_t *)-1);
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}
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if(name && name[0] != 0) {
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STRNCPY(pkg->name, name, PKG_NAME_LEN);
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} else {
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pkg->name[0] = '\0';
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}
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if(version && version[0] != 0) {
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STRNCPY(pkg->version, version, PKG_VERSION_LEN);
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} else {
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pkg->version[0] = '\0';
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}
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pkg->desc[0] = '\0';
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pkg->url[0] = '\0';
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pkg->license = NULL;
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pkg->desc_localized = NULL;
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pkg->builddate[0] = '\0';
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pkg->buildtype[0] = '\0';
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pkg->installdate[0] = '\0';
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pkg->packager[0] = '\0';
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pkg->md5sum[0] = '\0';
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pkg->sha1sum[0] = '\0';
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pkg->arch[0] = '\0';
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pkg->size = 0;
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pkg->usize = 0;
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pkg->scriptlet = 0;
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pkg->force = 0;
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pkg->reason = PM_PKG_REASON_EXPLICIT;
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pkg->requiredby = NULL;
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pkg->conflicts = NULL;
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pkg->files = NULL;
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pkg->backup = NULL;
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pkg->depends = NULL;
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pkg->removes = NULL;
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pkg->groups = NULL;
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pkg->provides = NULL;
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pkg->replaces = NULL;
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/* internal */
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pkg->origin = 0;
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pkg->data = NULL;
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pkg->infolevel = 0;
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return(pkg);
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}
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pmpkg_t *_alpm_pkg_dup(pmpkg_t *pkg)
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{
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pmpkg_t* newpkg = NULL;
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newpkg = (pmpkg_t *)malloc(sizeof(pmpkg_t));
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if(newpkg == NULL) {
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_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(pmpkg_t));
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RET_ERR(PM_ERR_MEMORY, NULL);
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}
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STRNCPY(newpkg->name, pkg->name, PKG_NAME_LEN);
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STRNCPY(newpkg->version, pkg->version, PKG_VERSION_LEN);
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STRNCPY(newpkg->desc, pkg->desc, PKG_DESC_LEN);
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STRNCPY(newpkg->url, pkg->url, PKG_URL_LEN);
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STRNCPY(newpkg->builddate, pkg->builddate, PKG_DATE_LEN);
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STRNCPY(newpkg->buildtype, pkg->buildtype, PKG_DATE_LEN);
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STRNCPY(newpkg->installdate, pkg->installdate, PKG_DATE_LEN);
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STRNCPY(newpkg->packager, pkg->packager, PKG_PACKAGER_LEN);
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STRNCPY(newpkg->md5sum, pkg->md5sum, PKG_MD5SUM_LEN);
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STRNCPY(newpkg->sha1sum, pkg->sha1sum, PKG_SHA1SUM_LEN);
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STRNCPY(newpkg->arch, pkg->arch, PKG_ARCH_LEN);
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newpkg->size = pkg->size;
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newpkg->usize = pkg->usize;
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newpkg->force = pkg->force;
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newpkg->scriptlet = pkg->scriptlet;
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newpkg->reason = pkg->reason;
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newpkg->license = _alpm_list_strdup(pkg->license);
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newpkg->desc_localized = _alpm_list_strdup(pkg->desc_localized);
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newpkg->requiredby = _alpm_list_strdup(pkg->requiredby);
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newpkg->conflicts = _alpm_list_strdup(pkg->conflicts);
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newpkg->files = _alpm_list_strdup(pkg->files);
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newpkg->backup = _alpm_list_strdup(pkg->backup);
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newpkg->depends = _alpm_list_strdup(pkg->depends);
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newpkg->removes = _alpm_list_strdup(pkg->removes);
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newpkg->groups = _alpm_list_strdup(pkg->groups);
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newpkg->provides = _alpm_list_strdup(pkg->provides);
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newpkg->replaces = _alpm_list_strdup(pkg->replaces);
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/* internal */
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newpkg->origin = pkg->origin;
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newpkg->data = (newpkg->origin == PKG_FROM_FILE) ? strdup(pkg->data) : pkg->data;
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newpkg->infolevel = pkg->infolevel;
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return(newpkg);
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}
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void _alpm_pkg_free(void *data)
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{
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pmpkg_t *pkg = data;
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if(pkg == NULL) {
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return;
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}
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FREELIST(pkg->license);
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FREELIST(pkg->desc_localized);
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FREELIST(pkg->files);
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FREELIST(pkg->backup);
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FREELIST(pkg->depends);
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FREELIST(pkg->removes);
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FREELIST(pkg->conflicts);
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FREELIST(pkg->requiredby);
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FREELIST(pkg->groups);
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FREELIST(pkg->provides);
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FREELIST(pkg->replaces);
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if(pkg->origin == PKG_FROM_FILE) {
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FREE(pkg->data);
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}
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free(pkg);
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return;
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}
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/* Helper function for comparing packages
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*/
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int _alpm_pkg_cmp(const void *p1, const void *p2)
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{
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return(strcmp(((pmpkg_t *)p1)->name, ((pmpkg_t *)p2)->name));
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}
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/* Parses the package description file for the current package
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*
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* Returns: 0 on success, 1 on error
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*
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*/
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static int parse_descfile(char *descfile, pmpkg_t *info, int output)
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{
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FILE* fp = NULL;
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char line[PATH_MAX];
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char* ptr = NULL;
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char* key = NULL;
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int linenum = 0;
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if((fp = fopen(descfile, "r")) == NULL) {
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_alpm_log(PM_LOG_ERROR, _("could not open file %s"), descfile);
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return(-1);
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}
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while(!feof(fp)) {
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fgets(line, PATH_MAX, fp);
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linenum++;
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_alpm_strtrim(line);
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if(strlen(line) == 0 || line[0] == '#') {
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continue;
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}
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if(output) {
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_alpm_log(PM_LOG_DEBUG, "%s", line);
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}
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ptr = line;
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key = strsep(&ptr, "=");
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if(key == NULL || ptr == NULL) {
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_alpm_log(PM_LOG_DEBUG, _("%s: syntax error in description file line %d"),
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info->name[0] != '\0' ? info->name : "error", linenum);
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} else {
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_alpm_strtrim(key);
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key = _alpm_strtoupper(key);
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_alpm_strtrim(ptr);
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if(!strcmp(key, "PKGNAME")) {
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STRNCPY(info->name, ptr, sizeof(info->name));
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} else if(!strcmp(key, "PKGVER")) {
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STRNCPY(info->version, ptr, sizeof(info->version));
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} else if(!strcmp(key, "PKGDESC")) {
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char *lang_tmp;
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info->desc_localized = _alpm_list_add(info->desc_localized, strdup(ptr));
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if((lang_tmp = (char *)malloc(strlen(setlocale(LC_ALL, "")))) == NULL) {
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RET_ERR(PM_ERR_MEMORY, -1);
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}
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STRNCPY(lang_tmp, setlocale(LC_ALL, ""), strlen(setlocale(LC_ALL, "")));
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if(info->desc_localized && !info->desc_localized->next) {
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STRNCPY(info->desc, ptr, sizeof(info->desc));
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} else if (ptr && !strncmp(ptr, lang_tmp, strlen(lang_tmp))) {
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STRNCPY(info->desc, ptr+strlen(lang_tmp)+1, sizeof(info->desc));
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}
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FREE(lang_tmp);
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} else if(!strcmp(key, "GROUP")) {
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info->groups = _alpm_list_add(info->groups, strdup(ptr));
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} else if(!strcmp(key, "URL")) {
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STRNCPY(info->url, ptr, sizeof(info->url));
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} else if(!strcmp(key, "LICENSE")) {
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info->license = _alpm_list_add(info->license, strdup(ptr));
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} else if(!strcmp(key, "BUILDDATE")) {
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STRNCPY(info->builddate, ptr, sizeof(info->builddate));
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} else if(!strcmp(key, "BUILDTYPE")) {
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STRNCPY(info->buildtype, ptr, sizeof(info->buildtype));
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} else if(!strcmp(key, "INSTALLDATE")) {
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STRNCPY(info->installdate, ptr, sizeof(info->installdate));
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} else if(!strcmp(key, "PACKAGER")) {
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STRNCPY(info->packager, ptr, sizeof(info->packager));
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} else if(!strcmp(key, "ARCH")) {
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STRNCPY(info->arch, ptr, sizeof(info->arch));
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} else if(!strcmp(key, "SIZE")) {
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char tmp[32];
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STRNCPY(tmp, ptr, sizeof(tmp));
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info->size = atol(tmp);
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} else if(!strcmp(key, "USIZE")) {
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char tmp[32];
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STRNCPY(tmp, ptr, sizeof(tmp));
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info->usize = atol(tmp);
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} else if(!strcmp(key, "DEPEND")) {
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info->depends = _alpm_list_add(info->depends, strdup(ptr));
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} else if(!strcmp(key, "REMOVE")) {
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info->removes = _alpm_list_add(info->removes, strdup(ptr));
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} else if(!strcmp(key, "CONFLICT")) {
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info->conflicts = _alpm_list_add(info->conflicts, strdup(ptr));
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} else if(!strcmp(key, "REPLACES")) {
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info->replaces = _alpm_list_add(info->replaces, strdup(ptr));
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} else if(!strcmp(key, "PROVIDES")) {
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info->provides = _alpm_list_add(info->provides, strdup(ptr));
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} else if(!strcmp(key, "BACKUP")) {
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info->backup = _alpm_list_add(info->backup, strdup(ptr));
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} else {
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_alpm_log(PM_LOG_DEBUG, _("%s: syntax error in description file line %d"),
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info->name[0] != '\0' ? info->name : "error", linenum);
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}
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}
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line[0] = '\0';
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}
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fclose(fp);
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unlink(descfile);
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return(0);
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}
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pmpkg_t *_alpm_pkg_load(char *pkgfile)
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{
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char *expath;
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int i;
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int config = 0;
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int filelist = 0;
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int scriptcheck = 0;
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register struct archive *archive;
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struct archive_entry *entry;
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pmpkg_t *info = NULL;
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if(pkgfile == NULL || strlen(pkgfile) == 0) {
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RET_ERR(PM_ERR_WRONG_ARGS, NULL);
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}
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if ((archive = archive_read_new ()) == NULL)
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RET_ERR(PM_ERR_LIBARCHIVE_ERROR, NULL);
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archive_read_support_compression_all (archive);
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archive_read_support_format_all (archive);
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if (archive_read_open_file (archive, pkgfile, ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK)
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RET_ERR(PM_ERR_PKG_OPEN, NULL);
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info = _alpm_pkg_new(NULL, NULL);
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if(info == NULL) {
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archive_read_finish (archive);
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RET_ERR(PM_ERR_MEMORY, NULL);
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}
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for(i = 0; archive_read_next_header (archive, &entry) == ARCHIVE_OK; i++) {
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if(config && filelist && scriptcheck) {
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/* we have everything we need */
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break;
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}
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if(!strcmp(archive_entry_pathname (entry), ".PKGINFO")) {
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char *descfile;
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int fd;
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/* extract this file into /tmp. it has info for us */
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descfile = strdup("/tmp/alpm_XXXXXX");
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fd = mkstemp(descfile);
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archive_read_data_into_fd (archive, fd);
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/* parse the info file */
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if(parse_descfile(descfile, info, 0) == -1) {
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_alpm_log(PM_LOG_ERROR, _("could not parse the package description file"));
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pm_errno = PM_ERR_PKG_INVALID;
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unlink(descfile);
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FREE(descfile);
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close(fd);
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goto error;
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}
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if(!strlen(info->name)) {
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_alpm_log(PM_LOG_ERROR, _("missing package name in %s"), pkgfile);
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pm_errno = PM_ERR_PKG_INVALID;
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unlink(descfile);
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FREE(descfile);
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close(fd);
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goto error;
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}
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if(!strlen(info->version)) {
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_alpm_log(PM_LOG_ERROR, _("missing package version in %s"), pkgfile);
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pm_errno = PM_ERR_PKG_INVALID;
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unlink(descfile);
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FREE(descfile);
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close(fd);
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goto error;
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}
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config = 1;
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unlink(descfile);
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FREE(descfile);
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close(fd);
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continue;
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} else if(!strcmp(archive_entry_pathname (entry), "._install") || !strcmp(archive_entry_pathname (entry), ".INSTALL")) {
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info->scriptlet = 1;
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scriptcheck = 1;
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} else if(!strcmp(archive_entry_pathname (entry), ".FILELIST")) {
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/* Build info->files from the filelist */
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FILE *fp;
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char *fn;
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char *str;
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int fd;
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if((str = (char *)malloc(PATH_MAX)) == NULL) {
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RET_ERR(PM_ERR_MEMORY, (pmpkg_t *)-1);
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}
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fn = strdup("/tmp/alpm_XXXXXX");
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fd = mkstemp(fn);
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archive_read_data_into_fd (archive,fd);
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fp = fopen(fn, "r");
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while(!feof(fp)) {
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if(fgets(str, PATH_MAX, fp) == NULL) {
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continue;
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}
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_alpm_strtrim(str);
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info->files = _alpm_list_add(info->files, strdup(str));
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}
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FREE(str);
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fclose(fp);
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if(unlink(fn)) {
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_alpm_log(PM_LOG_WARNING, _("could not remove tempfile %s"), fn);
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}
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FREE(fn);
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close(fd);
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filelist = 1;
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continue;
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} else {
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scriptcheck = 1;
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if(!filelist) {
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/* no .FILELIST present in this package.. build the filelist the */
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/* old-fashioned way, one at a time */
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expath = strdup(archive_entry_pathname (entry));
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info->files = _alpm_list_add(info->files, expath);
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}
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}
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if(archive_read_data_skip (archive)) {
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_alpm_log(PM_LOG_ERROR, _("bad package file in %s"), pkgfile);
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goto error;
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}
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expath = NULL;
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}
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archive_read_finish (archive);
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if(!config) {
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_alpm_log(PM_LOG_ERROR, _("missing package info file in %s"), pkgfile);
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goto error;
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}
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/* internal */
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info->origin = PKG_FROM_FILE;
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info->data = strdup(pkgfile);
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info->infolevel = 0xFF;
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return(info);
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error:
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FREEPKG(info);
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archive_read_finish (archive);
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return(NULL);
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}
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/* Test for existence of a package in a PMList*
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* of pmpkg_t*
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*/
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pmpkg_t *_alpm_pkg_isin(char *needle, PMList *haystack)
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{
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PMList *lp;
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if(needle == NULL || haystack == NULL) {
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return(NULL);
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}
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for(lp = haystack; lp; lp = lp->next) {
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pmpkg_t *info = lp->data;
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if(info && !strcmp(info->name, needle)) {
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return(lp->data);
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}
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}
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return(NULL);
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}
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int _alpm_pkg_splitname(char *target, char *name, char *version)
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{
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char tmp[PKG_FULLNAME_LEN+7];
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char *p, *q;
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if(target == NULL) {
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return(-1);
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}
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/* trim path name (if any) */
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if((p = strrchr(target, '/')) == NULL) {
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p = target;
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} else {
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p++;
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}
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STRNCPY(tmp, p, PKG_FULLNAME_LEN+7);
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/* trim file extension (if any) */
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if((p = strstr(tmp, PM_EXT_PKG))) {
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*p = 0;
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}
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p = tmp + strlen(tmp);
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for(q = --p; *q && *q != '-'; q--);
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if(*q != '-' || q == tmp) {
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return(-1);
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}
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for(p = --q; *p && *p != '-'; p--);
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if(*p != '-' || p == tmp) {
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return(-1);
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}
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if(version) {
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STRNCPY(version, p+1, PKG_VERSION_LEN);
|
|
}
|
|
*p = 0;
|
|
|
|
if(name) {
|
|
STRNCPY(name, tmp, PKG_NAME_LEN);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* vim: set ts=2 sw=2 noet: */
|