/* * package.c * * Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org> * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com> * Copyright (c) 2005, 2006 by Christian Hamar <krics@linuxforum.hu> * Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.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 "config.h" #include <stdio.h> #include <stdlib.h> #include <limits.h> #include <string.h> #include <ctype.h> #include <errno.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> /* libarchive */ #include <archive.h> #include <archive_entry.h> /* libalpm */ #include "package.h" #include "alpm_list.h" #include "log.h" #include "util.h" #include "db.h" #include "cache.h" #include "delta.h" #include "handle.h" #include "deps.h" /** \addtogroup alpm_packages Package Functions * @brief Functions to manipulate libalpm packages * @{ */ /** Free a package. * @param pkg package pointer to free * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int SYMEXPORT alpm_pkg_free(pmpkg_t *pkg) { ALPM_LOG_FUNC; ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); /* Only free packages loaded in user space */ if(pkg->origin != PKG_FROM_CACHE) { _alpm_pkg_free(pkg); } return(0); } /** Check the integrity (with md5) of a package from the sync cache. * @param pkg package pointer * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int SYMEXPORT alpm_pkg_checkmd5sum(pmpkg_t *pkg) { char *fpath; int retval; ALPM_LOG_FUNC; ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); /* We only inspect packages from sync repositories */ ASSERT(pkg->origin == PKG_FROM_CACHE, RET_ERR(PM_ERR_PKG_INVALID, -1)); ASSERT(pkg->origin_data.db != handle->db_local, RET_ERR(PM_ERR_PKG_INVALID, -1)); fpath = _alpm_filecache_find(alpm_pkg_get_filename(pkg)); retval = _alpm_test_md5sum(fpath, alpm_pkg_get_md5sum(pkg)); if(retval == 0) { return(0); } else if (retval == 1) { pm_errno = PM_ERR_PKG_INVALID; retval = -1; } return(retval); } const char SYMEXPORT *alpm_pkg_get_filename(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->filename; } const char SYMEXPORT *alpm_pkg_get_name(pmpkg_t *pkg) { ASSERT(pkg != NULL, return(NULL)); return pkg->name; } const char SYMEXPORT *alpm_pkg_get_version(pmpkg_t *pkg) { ASSERT(pkg != NULL, return(NULL)); return pkg->version; } const char SYMEXPORT *alpm_pkg_get_desc(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->desc; } const char SYMEXPORT *alpm_pkg_get_url(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->url; } time_t SYMEXPORT alpm_pkg_get_builddate(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(0)); ASSERT(pkg != NULL, return(0)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->builddate; } time_t SYMEXPORT alpm_pkg_get_installdate(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(0)); ASSERT(pkg != NULL, return(0)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->installdate; } const char SYMEXPORT *alpm_pkg_get_packager(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->packager; } const char SYMEXPORT *alpm_pkg_get_md5sum(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->md5sum; } const char SYMEXPORT *alpm_pkg_get_arch(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->arch; } off_t SYMEXPORT alpm_pkg_get_size(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(-1)); ASSERT(pkg != NULL, return(-1)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->size; } off_t SYMEXPORT alpm_pkg_get_isize(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(-1)); ASSERT(pkg != NULL, return(-1)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->isize; } pmpkgreason_t SYMEXPORT alpm_pkg_get_reason(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(-1)); ASSERT(pkg != NULL, return(-1)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->reason; } alpm_list_t SYMEXPORT *alpm_pkg_get_licenses(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->licenses; } alpm_list_t SYMEXPORT *alpm_pkg_get_groups(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->groups; } alpm_list_t SYMEXPORT *alpm_pkg_get_depends(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS); } return pkg->depends; } alpm_list_t SYMEXPORT *alpm_pkg_get_optdepends(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS); } return pkg->optdepends; } alpm_list_t SYMEXPORT *alpm_pkg_get_conflicts(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS); } return pkg->conflicts; } alpm_list_t SYMEXPORT *alpm_pkg_get_provides(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS); } return pkg->provides; } alpm_list_t SYMEXPORT *alpm_pkg_get_deltas(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DELTAS)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DELTAS); } return pkg->deltas; } alpm_list_t SYMEXPORT *alpm_pkg_get_replaces(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } return pkg->replaces; } alpm_list_t SYMEXPORT *alpm_pkg_get_files(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && pkg->origin_data.db == handle->db_local && !(pkg->infolevel & INFRQ_FILES)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES); } return pkg->files; } alpm_list_t SYMEXPORT *alpm_pkg_get_backup(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE && pkg->origin_data.db == handle->db_local && !(pkg->infolevel & INFRQ_FILES)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES); } return pkg->backup; } /** * Open a package changelog for reading. Similar to fopen in functionality, * except that the returned 'file stream' could really be from an archive * as well as from the database. * @param pkg the package to read the changelog of (either file or db) * @return a 'file stream' to the package changelog */ void SYMEXPORT *alpm_pkg_changelog_open(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); if(pkg->origin == PKG_FROM_CACHE) { char clfile[PATH_MAX]; snprintf(clfile, PATH_MAX, "%s/%s/%s-%s/changelog", alpm_option_get_dbpath(), alpm_db_get_name(handle->db_local), alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); return fopen(clfile, "r"); } else if(pkg->origin == PKG_FROM_FILE) { struct archive *archive = NULL; struct archive_entry *entry; const char *pkgfile = pkg->origin_data.file; int ret = ARCHIVE_OK; if((archive = archive_read_new()) == NULL) { RET_ERR(PM_ERR_LIBARCHIVE, NULL); } archive_read_support_compression_all(archive); archive_read_support_format_all(archive); if (archive_read_open_filename(archive, pkgfile, ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) { RET_ERR(PM_ERR_PKG_OPEN, NULL); } while((ret = archive_read_next_header(archive, &entry)) == ARCHIVE_OK) { const char *entry_name = archive_entry_pathname(entry); if(strcmp(entry_name, ".CHANGELOG") == 0) { return(archive); } } /* we didn't find a changelog */ archive_read_finish(archive); errno = ENOENT; } return(NULL); } /** * Read data from an open changelog 'file stream'. Similar to fread in * functionality, this function takes a buffer and amount of data to read. * @param ptr a buffer to fill with raw changelog data * @param size the size of the buffer * @param pkg the package that the changelog is being read from * @param fp a 'file stream' to the package changelog * @return the number of characters read, or 0 if there is no more data */ size_t SYMEXPORT alpm_pkg_changelog_read(void *ptr, size_t size, const pmpkg_t *pkg, const void *fp) { size_t ret = 0; if(pkg->origin == PKG_FROM_CACHE) { ret = fread(ptr, 1, size, (FILE*)fp); } else if(pkg->origin == PKG_FROM_FILE) { ret = archive_read_data((struct archive*)fp, ptr, size); } return(ret); } /* int SYMEXPORT alpm_pkg_changelog_feof(const pmpkg_t *pkg, void *fp) { int ret = 0; if(pkg->origin == PKG_FROM_CACHE) { ret = feof((FILE*)fp); } else if(pkg->origin == PKG_FROM_FILE) { // note: this doesn't quite work, no feof in libarchive ret = archive_read_data((struct archive*)fp, NULL, 0); } return(ret); } */ /** * Close a package changelog for reading. Similar to fclose in functionality, * except that the 'file stream' could really be from an archive as well as * from the database. * @param pkg the package that the changelog was read from * @param fp a 'file stream' to the package changelog * @return whether closing the package changelog stream was successful */ int SYMEXPORT alpm_pkg_changelog_close(const pmpkg_t *pkg, void *fp) { int ret = 0; if(pkg->origin == PKG_FROM_CACHE) { ret = fclose((FILE*)fp); } else if(pkg->origin == PKG_FROM_FILE) { ret = archive_read_finish((struct archive *)fp); } return(ret); } unsigned short SYMEXPORT alpm_pkg_has_scriptlet(pmpkg_t *pkg) { ALPM_LOG_FUNC; /* Sanity checks */ ASSERT(handle != NULL, return(-1)); ASSERT(pkg != NULL, return(-1)); if(pkg->origin == PKG_FROM_CACHE && pkg->origin_data.db == handle->db_local && !(pkg->infolevel & INFRQ_SCRIPTLET)) { _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_SCRIPTLET); } return pkg->scriptlet; } /** * @brief Compute the packages requiring a given package. * @param pkg a package * @return the list of packages requiring pkg */ alpm_list_t SYMEXPORT *alpm_pkg_compute_requiredby(pmpkg_t *pkg) { const alpm_list_t *i; alpm_list_t *reqs = NULL; pmdb_t *localdb = alpm_option_get_localdb(); for(i = _alpm_db_get_pkgcache(localdb); i; i = i->next) { if(!i->data) { continue; } pmpkg_t *cachepkg = i->data; if(_alpm_dep_edge(cachepkg, pkg)) { const char *cachepkgname = alpm_pkg_get_name(cachepkg); reqs = alpm_list_add(reqs, strdup(cachepkgname)); } } return(reqs); } /** Compare two version strings and determine which one is 'newer'. * Returns a value comparable to the way strcmp works. Returns 1 * if a is newer than b, 0 if a and b are the same version, or -1 * if b is newer than a. * * This function has been adopted from the rpmvercmp function located * at lib/rpmvercmp.c, and was most recently updated against rpm * version 4.4.2.3. Small modifications have been made to make it more * consistent with the libalpm coding style. * * Keep in mind that the pkgrel is only compared if it is available * on both versions handed to this function. For example, comparing * 1.5-1 and 1.5 will yield 0; comparing 1.5-1 and 1.5-2 will yield * -1 as expected. This is mainly for supporting versioned dependencies * that do not include the pkgrel. */ int SYMEXPORT alpm_pkg_vercmp(const char *a, const char *b) { char oldch1, oldch2; char *str1, *str2; char *ptr1, *ptr2; char *one, *two; int rc; int isnum; int ret = 0; ALPM_LOG_FUNC; /* libalpm added code. ensure our strings are not null */ if(!a) { if(!b) return(0); return(-1); } if(!b) return(1); /* easy comparison to see if versions are identical */ if(strcmp(a, b) == 0) return(0); str1 = strdup(a); str2 = strdup(b); one = str1; two = str2; /* loop through each version segment of str1 and str2 and compare them */ while(*one && *two) { while(*one && !isalnum((int)*one)) one++; while(*two && !isalnum((int)*two)) two++; /* If we ran to the end of either, we are finished with the loop */ if(!(*one && *two)) break; ptr1 = one; ptr2 = two; /* grab first completely alpha or completely numeric segment */ /* leave one and two pointing to the start of the alpha or numeric */ /* segment and walk ptr1 and ptr2 to end of segment */ if(isdigit((int)*ptr1)) { while(*ptr1 && isdigit((int)*ptr1)) ptr1++; while(*ptr2 && isdigit((int)*ptr2)) ptr2++; isnum = 1; } else { while(*ptr1 && isalpha((int)*ptr1)) ptr1++; while(*ptr2 && isalpha((int)*ptr2)) ptr2++; isnum = 0; } /* save character at the end of the alpha or numeric segment */ /* so that they can be restored after the comparison */ oldch1 = *ptr1; *ptr1 = '\0'; oldch2 = *ptr2; *ptr2 = '\0'; /* this cannot happen, as we previously tested to make sure that */ /* the first string has a non-null segment */ if (one == ptr1) { ret = -1; /* arbitrary */ goto cleanup; } /* take care of the case where the two version segments are */ /* different types: one numeric, the other alpha (i.e. empty) */ /* numeric segments are always newer than alpha segments */ /* XXX See patch #60884 (and details) from bugzilla #50977. */ if (two == ptr2) { ret = isnum ? 1 : -1; goto cleanup; } if (isnum) { /* this used to be done by converting the digit segments */ /* to ints using atoi() - it's changed because long */ /* digit segments can overflow an int - this should fix that. */ /* throw away any leading zeros - it's a number, right? */ while (*one == '0') one++; while (*two == '0') two++; /* whichever number has more digits wins */ if (strlen(one) > strlen(two)) { ret = 1; goto cleanup; } if (strlen(two) > strlen(one)) { ret = -1; goto cleanup; } } /* strcmp will return which one is greater - even if the two */ /* segments are alpha or if they are numeric. don't return */ /* if they are equal because there might be more segments to */ /* compare */ rc = strcmp(one, two); if (rc) { ret = rc < 1 ? -1 : 1; goto cleanup; } /* restore character that was replaced by null above */ *ptr1 = oldch1; one = ptr1; *ptr2 = oldch2; two = ptr2; /* libalpm added code. check if version strings have hit the pkgrel * portion. depending on which strings have hit, take correct action. * this is all based on the premise that we only have one dash in * the version string, and it separates pkgver from pkgrel. */ if(*ptr1 == '-' && *ptr2 == '-') { /* no-op, continue comparing since we are equivalent throughout */ } else if(*ptr1 == '-') { /* ptr1 has hit the pkgrel and ptr2 has not. continue version * comparison after stripping the pkgrel from ptr1. */ *ptr1 = '\0'; } else if(*ptr2 == '-') { /* ptr2 has hit the pkgrel and ptr1 has not. continue version * comparison after stripping the pkgrel from ptr2. */ *ptr2 = '\0'; } } /* this catches the case where all numeric and alpha segments have */ /* compared identically but the segment separating characters were */ /* different */ if ((!*one) && (!*two)) { ret = 0; goto cleanup; } /* the final showdown. we never want a remaining alpha string to * beat an empty string. the logic is a bit weird, but: * - if one is empty and two is not an alpha, two is newer. * - if one is an alpha, two is newer. * - otherwise one is newer. * */ if ( ( !*one && !isalpha((int)*two) ) || isalpha((int)*one) ) { ret = -1; } else { ret = 1; } cleanup: free(str1); free(str2); return(ret); } /** @} */ pmpkg_t *_alpm_pkg_new(void) { pmpkg_t* pkg; ALPM_LOG_FUNC; CALLOC(pkg, 1, sizeof(pmpkg_t), RET_ERR(PM_ERR_MEMORY, NULL)); return(pkg); } pmpkg_t *_alpm_pkg_dup(pmpkg_t *pkg) { pmpkg_t *newpkg; alpm_list_t *i; ALPM_LOG_FUNC; CALLOC(newpkg, 1, sizeof(pmpkg_t), RET_ERR(PM_ERR_MEMORY, NULL)); STRDUP(newpkg->filename, pkg->filename, RET_ERR(PM_ERR_MEMORY, newpkg)); STRDUP(newpkg->name, pkg->name, RET_ERR(PM_ERR_MEMORY, newpkg)); STRDUP(newpkg->version, pkg->version, RET_ERR(PM_ERR_MEMORY, newpkg)); STRDUP(newpkg->desc, pkg->desc, RET_ERR(PM_ERR_MEMORY, newpkg)); STRDUP(newpkg->url, pkg->url, RET_ERR(PM_ERR_MEMORY, newpkg)); newpkg->builddate = pkg->builddate; newpkg->installdate = pkg->installdate; STRDUP(newpkg->packager, pkg->packager, RET_ERR(PM_ERR_MEMORY, newpkg)); STRDUP(newpkg->md5sum, pkg->md5sum, RET_ERR(PM_ERR_MEMORY, newpkg)); STRDUP(newpkg->arch, pkg->arch, RET_ERR(PM_ERR_MEMORY, newpkg)); newpkg->size = pkg->size; newpkg->isize = pkg->isize; newpkg->scriptlet = pkg->scriptlet; newpkg->force = pkg->force; newpkg->reason = pkg->reason; newpkg->licenses = alpm_list_strdup(pkg->licenses); newpkg->replaces = alpm_list_strdup(pkg->replaces); newpkg->groups = alpm_list_strdup(pkg->groups); newpkg->files = alpm_list_strdup(pkg->files); newpkg->backup = alpm_list_strdup(pkg->backup); for(i = pkg->depends; i; i = alpm_list_next(i)) { newpkg->depends = alpm_list_add(newpkg->depends, _alpm_dep_dup(i->data)); } newpkg->optdepends = alpm_list_strdup(pkg->optdepends); newpkg->conflicts = alpm_list_strdup(pkg->conflicts); newpkg->provides = alpm_list_strdup(pkg->provides); newpkg->deltas = alpm_list_copy_data(pkg->deltas, sizeof(pmdelta_t)); /* internal */ newpkg->origin = pkg->origin; if(newpkg->origin == PKG_FROM_FILE) { newpkg->origin_data.file = strdup(pkg->origin_data.file); } else { newpkg->origin_data.db = pkg->origin_data.db; } newpkg->infolevel = pkg->infolevel; return(newpkg); } void _alpm_pkg_free(pmpkg_t *pkg) { ALPM_LOG_FUNC; if(pkg == NULL) { return; } FREE(pkg->filename); FREE(pkg->name); FREE(pkg->version); FREE(pkg->desc); FREE(pkg->url); FREE(pkg->packager); FREE(pkg->md5sum); FREE(pkg->arch); FREELIST(pkg->licenses); FREELIST(pkg->replaces); FREELIST(pkg->groups); FREELIST(pkg->files); FREELIST(pkg->backup); alpm_list_free_inner(pkg->depends, (alpm_list_fn_free)_alpm_dep_free); alpm_list_free(pkg->depends); FREELIST(pkg->optdepends); FREELIST(pkg->conflicts); FREELIST(pkg->provides); alpm_list_free_inner(pkg->deltas, (alpm_list_fn_free)_alpm_delta_free); alpm_list_free(pkg->deltas); alpm_list_free(pkg->delta_path); if(pkg->origin == PKG_FROM_FILE) { FREE(pkg->origin_data.file); } FREE(pkg); } /* Is pkgB an upgrade for pkgA ? */ int _alpm_pkg_compare_versions(pmpkg_t *local_pkg, pmpkg_t *pkg) { int cmp = 0; ALPM_LOG_FUNC; if(pkg->origin == PKG_FROM_CACHE) { /* ensure we have the /desc file, which contains the 'force' option */ _alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC); } /* compare versions and see if we need to upgrade */ cmp = alpm_pkg_vercmp(alpm_pkg_get_version(pkg), alpm_pkg_get_version(local_pkg)); if(cmp != 0 && pkg->force) { cmp = 1; _alpm_log(PM_LOG_WARNING, _("%s: forcing upgrade to version %s\n"), alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); } else if(cmp < 0) { /* local version is newer */ pmdb_t *db = pkg->origin_data.db; _alpm_log(PM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)\n"), alpm_pkg_get_name(local_pkg), alpm_pkg_get_version(local_pkg), alpm_db_get_name(db), alpm_pkg_get_version(pkg)); cmp = 0; } return(cmp); } /* Helper function for comparing packages */ int _alpm_pkg_cmp(const void *p1, const void *p2) { pmpkg_t *pkg1 = (pmpkg_t *)p1; pmpkg_t *pkg2 = (pmpkg_t *)p2; return(strcmp(alpm_pkg_get_name(pkg1), alpm_pkg_get_name(pkg2))); } /* Test for existence of a package in a alpm_list_t* * of pmpkg_t* */ pmpkg_t *_alpm_pkg_find(alpm_list_t *haystack, const char *needle) { alpm_list_t *lp; ALPM_LOG_FUNC; if(needle == NULL || haystack == NULL) { return(NULL); } for(lp = haystack; lp; lp = lp->next) { pmpkg_t *info = lp->data; if(info && strcmp(alpm_pkg_get_name(info), needle) == 0) { return(info); } } return(NULL); } /** Test if a package should be ignored. * * Checks if the package is ignored via IgnorePkg, or if the package is * in a group ignored via IgnoreGrp. * * @param pkg the package to test * * @return 1 if the package should be ignored, 0 otherwise */ int _alpm_pkg_should_ignore(pmpkg_t *pkg) { alpm_list_t *groups = NULL; /* first see if the package is ignored */ if(alpm_list_find_str(handle->ignorepkg, alpm_pkg_get_name(pkg))) { return(1); } /* next see if the package is in a group that is ignored */ for(groups = handle->ignoregrp; groups; groups = alpm_list_next(groups)) { char *grp = (char *)alpm_list_getdata(groups); if(alpm_list_find_str(alpm_pkg_get_groups(pkg), grp)) { return(1); } } return(0); } /* vim: set ts=2 sw=2 noet: */