16 files changed, 116 insertions, 48 deletions

diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index e6ef3ae3..91b94615 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -1101,6 +1101,12 @@ int alpm_pkg_should_ignore(alpm_handle_t *handle, alpm_pkg_t *pkg);
  */
 const char *alpm_pkg_get_filename(alpm_pkg_t *pkg);
 
+/** Returns the package base name.
+ * @param pkg a pointer to package
+ * @return a reference to an internal string
+ */
+const char *alpm_pkg_get_base(alpm_pkg_t *pkg);
+
 /** Returns the package name.
  * @param pkg a pointer to package
  * @return a reference to an internal string
diff --git a/lib/libalpm/backup.c b/lib/libalpm/backup.c
index aeb41316..1fc5eb79 100644
--- a/lib/libalpm/backup.c
+++ b/lib/libalpm/backup.c
@@ -47,11 +47,10 @@ int _alpm_split_backup(const char *string, alpm_backup_t **backup)
 	*ptr = '\0';
 	ptr++;
 	/* now str points to the filename and ptr points to the hash */
-	STRDUP((*backup)->name, str, return -1);
-	STRDUP((*backup)->hash, ptr, return -1);
+	STRDUP((*backup)->name, str, FREE(str); return -1);
+	STRDUP((*backup)->hash, ptr, FREE(str); return -1);
 	FREE(str);
-	return 0;
-}
+	return 0;}
 
 /* Look for a filename in a alpm_pkg_t.backup list. If we find it,
  * then we return the full backup entry.
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 93763966..2454cdcb 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -63,6 +63,12 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq);
  * initialized.
  */
 
+static const char *_cache_get_base(alpm_pkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->base;
+}
+
 static const char *_cache_get_desc(alpm_pkg_t *pkg)
 {
 	LAZY_LOAD(INFRQ_DESC, NULL);
@@ -297,6 +303,7 @@ static int _cache_force_load(alpm_pkg_t *pkg)
  * logic.
  */
 static struct pkg_operations local_pkg_ops = {
+	.get_base        = _cache_get_base,
 	.get_desc        = _cache_get_desc,
 	.get_url         = _cache_get_url,
 	.get_builddate   = _cache_get_builddate,
@@ -701,6 +708,8 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
 					_alpm_log(db->handle, ALPM_LOG_ERROR, _("%s database is inconsistent: version "
 								"mismatch on package %s\n"), db->treename, info->name);
 				}
+			} else if(strcmp(line, "%BASE%") == 0) {
+				READ_AND_STORE(info->base);
 			} else if(strcmp(line, "%DESC%") == 0) {
 				READ_AND_STORE(info->desc);
 			} else if(strcmp(line, "%GROUPS%") == 0) {
@@ -801,6 +810,7 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
 					alpm_backup_t *backup;
 					CALLOC(backup, 1, sizeof(alpm_backup_t), goto error);
 					if(_alpm_split_backup(line, &backup)) {
+						FREE(backup);
 						goto error;
 					}
 					info->backup = alpm_list_add(info->backup, backup);
@@ -904,6 +914,10 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq
 		free(path);
 		fprintf(fp, "%%NAME%%\n%s\n\n"
 						"%%VERSION%%\n%s\n\n", info->name, info->version);
+		if(info->base) {
+			fprintf(fp, "%%BASE%%\n"
+							"%s\n\n", info->base);
+		}
 		if(info->desc) {
 			fprintf(fp, "%%DESC%%\n"
 							"%s\n\n", info->desc);
@@ -1022,11 +1036,6 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, alpm_dbinfrq_t inforeq
 
 cleanup:
 	umask(oldmask);
-
-	if(fp) {
-		fclose(fp);
-	}
-
 	return retval;
 }
 
diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index 5617f4fa..06b24a8f 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -193,7 +193,7 @@ static int parse_descfile(alpm_handle_t *handle, struct archive *a, alpm_pkg_t *
 				STRDUP(newpkg->name, ptr, return -1);
 				newpkg->name_hash = _alpm_hash_sdbm(newpkg->name);
 			} else if(strcmp(key, "pkgbase") == 0) {
-				/* not used atm */
+				STRDUP(newpkg->base, ptr, return -1);
 			} else if(strcmp(key, "pkgver") == 0) {
 				STRDUP(newpkg->version, ptr, return -1);
 			} else if(strcmp(key, "basever") == 0) {
@@ -437,6 +437,7 @@ static int add_entry_to_files_list(alpm_pkg_t *pkg, size_t *files_size,
 static int build_filelist_from_mtree(alpm_handle_t *handle, alpm_pkg_t *pkg, struct archive *archive)
 {
 	int ret = 0;
+	size_t i;
 	size_t mtree_maxsize = 0;
 	size_t mtree_cursize = 0;
 	size_t files_size = 0; /* we clean up the existing array so this is fine */
@@ -448,7 +449,7 @@ static int build_filelist_from_mtree(alpm_handle_t *handle, alpm_pkg_t *pkg, str
 			"found mtree for package %s, getting file list\n", pkg->filename);
 
 	/* throw away any files we might have already found */
-	for (size_t i = 0; i < pkg->files.count; i++) {
+	for(i = 0; i < pkg->files.count; i++) {
 		free(pkg->files.files[i].name);
 	}
 	free(pkg->files.files);
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index 52459483..6e89ad93 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -614,6 +614,8 @@ static int sync_db_read(alpm_db_t *db, struct archive *archive,
 				if(_alpm_validate_filename(db, pkg->name, pkg->filename) < 0) {
 					return -1;
 				}
+			} else if(strcmp(line, "%BASE%") == 0) {
+				READ_AND_STORE(pkg->base);
 			} else if(strcmp(line, "%DESC%") == 0) {
 				READ_AND_STORE(pkg->desc);
 			} else if(strcmp(line, "%GROUPS%") == 0) {
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index db07102c..c886f785 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -48,15 +48,19 @@ static alpm_conflict_t *conflict_new(alpm_pkg_t *pkg1, alpm_pkg_t *pkg2,
 {
 	alpm_conflict_t *conflict;
 
-	MALLOC(conflict, sizeof(alpm_conflict_t), return NULL);
+	CALLOC(conflict, 1, sizeof(alpm_conflict_t), return NULL);
 
 	conflict->package1_hash = pkg1->name_hash;
 	conflict->package2_hash = pkg2->name_hash;
-	STRDUP(conflict->package1, pkg1->name, return NULL);
-	STRDUP(conflict->package2, pkg2->name, return NULL);
+	STRDUP(conflict->package1, pkg1->name, goto error);
+	STRDUP(conflict->package2, pkg2->name, goto error);
 	conflict->reason = reason;
 
 	return conflict;
+
+error:
+	alpm_conflict_free(conflict);
+	return NULL;
 }
 
 /**
@@ -79,11 +83,15 @@ alpm_conflict_t *_alpm_conflict_dup(const alpm_conflict_t *conflict)
 
 	newconflict->package1_hash = conflict->package1_hash;
 	newconflict->package2_hash = conflict->package2_hash;
-	STRDUP(newconflict->package1, conflict->package1, return NULL);
-	STRDUP(newconflict->package2, conflict->package2, return NULL);
+	STRDUP(newconflict->package1, conflict->package1, goto error);
+	STRDUP(newconflict->package2, conflict->package2, goto error);
 	newconflict->reason = conflict->reason;
 
 	return newconflict;
+
+error:
+	alpm_conflict_free(newconflict);
+	return NULL;
 }
 
 /**
@@ -265,7 +273,7 @@ static alpm_list_t *add_fileconflict(alpm_handle_t *handle,
 		alpm_pkg_t *pkg1, alpm_pkg_t *pkg2)
 {
 	alpm_fileconflict_t *conflict;
-	MALLOC(conflict, sizeof(alpm_fileconflict_t), goto error);
+	CALLOC(conflict, 1, sizeof(alpm_fileconflict_t), goto error);
 
 	STRDUP(conflict->target, pkg1->name, goto error);
 	STRDUP(conflict->file, filestr, goto error);
@@ -284,6 +292,7 @@ static alpm_list_t *add_fileconflict(alpm_handle_t *handle,
 	return conflicts;
 
 error:
+	alpm_fileconflict_free(conflict);
 	RET_ERR(handle, ALPM_ERR_MEMORY, conflicts);
 }
 
diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
index 466c96f1..ebcd1f89 100644
--- a/lib/libalpm/db.c
+++ b/lib/libalpm/db.c
@@ -331,7 +331,7 @@ alpm_db_t *_alpm_db_new(const char *treename, int is_local)
 	alpm_db_t *db;
 
 	CALLOC(db, 1, sizeof(alpm_db_t), return NULL);
-	STRDUP(db->treename, treename, return NULL);
+	STRDUP(db->treename, treename, FREE(db); return NULL);
 	if(is_local) {
 		db->status |= DB_STATUS_LOCAL;
 	} else {
@@ -542,7 +542,10 @@ alpm_pkghash_t *_alpm_db_get_pkgcache_hash(alpm_db_t *db)
 	}
 
 	if(!(db->status & DB_STATUS_PKGCACHE)) {
-		load_pkgcache(db);
+		if(load_pkgcache(db)) {
+			/* handle->error set in local/sync-db-populate */
+			return NULL;
+		}
 	}
 
 	return db->pkgcache;
@@ -562,13 +565,15 @@ alpm_list_t *_alpm_db_get_pkgcache(alpm_db_t *db)
 /* "duplicate" pkg then add it to pkgcache */
 int _alpm_db_add_pkgincache(alpm_db_t *db, alpm_pkg_t *pkg)
 {
-	alpm_pkg_t *newpkg;
+	alpm_pkg_t *newpkg = NULL;
 
 	if(db == NULL || pkg == NULL || !(db->status & DB_STATUS_PKGCACHE)) {
 		return -1;
 	}
 
 	if(_alpm_pkg_dup(pkg, &newpkg)) {
+		/* we return memory on "non-fatal" error in _alpm_pkg_dup */
+		_alpm_pkg_free(newpkg);
 		return -1;
 	}
 
diff --git a/lib/libalpm/delta.c b/lib/libalpm/delta.c
index baa02b75..db6bb8e7 100644
--- a/lib/libalpm/delta.c
+++ b/lib/libalpm/delta.c
@@ -306,10 +306,10 @@ alpm_delta_t *_alpm_delta_parse(alpm_handle_t *handle, const char *line)
 
 	/* start at index 1 -- match 0 is the entire match */
 	len = pmatch[1].rm_eo - pmatch[1].rm_so;
-	STRNDUP(delta->delta, &line[pmatch[1].rm_so], len, return NULL);
+	STRNDUP(delta->delta, &line[pmatch[1].rm_so], len, goto error);
 
 	len = pmatch[2].rm_eo - pmatch[2].rm_so;
-	STRNDUP(delta->delta_md5, &line[pmatch[2].rm_so], len, return NULL);
+	STRNDUP(delta->delta_md5, &line[pmatch[2].rm_so], len, goto error);
 
 	len = pmatch[3].rm_eo - pmatch[3].rm_so;
 	if(len < sizeof(filesize)) {
@@ -319,12 +319,16 @@ alpm_delta_t *_alpm_delta_parse(alpm_handle_t *handle, const char *line)
 	}
 
 	len = pmatch[4].rm_eo - pmatch[4].rm_so;
-	STRNDUP(delta->from, &line[pmatch[4].rm_so], len, return NULL);
+	STRNDUP(delta->from, &line[pmatch[4].rm_so], len, goto error);
 
 	len = pmatch[5].rm_eo - pmatch[5].rm_so;
-	STRNDUP(delta->to, &line[pmatch[5].rm_so], len, return NULL);
+	STRNDUP(delta->to, &line[pmatch[5].rm_so], len, goto error);
 
 	return delta;
+
+error:
+	_alpm_delta_free(delta);
+	return NULL;
 }
 
 #undef NUM_MATCHES
@@ -342,14 +346,18 @@ alpm_delta_t *_alpm_delta_dup(const alpm_delta_t *delta)
 {
 	alpm_delta_t *newdelta;
 	CALLOC(newdelta, 1, sizeof(alpm_delta_t), return NULL);
-	STRDUP(newdelta->delta, delta->delta, return NULL);
-	STRDUP(newdelta->delta_md5, delta->delta_md5, return NULL);
-	STRDUP(newdelta->from, delta->from, return NULL);
-	STRDUP(newdelta->to, delta->to, return NULL);
+	STRDUP(newdelta->delta, delta->delta, goto error);
+	STRDUP(newdelta->delta_md5, delta->delta_md5, goto error);
+	STRDUP(newdelta->from, delta->from, goto error);
+	STRDUP(newdelta->to, delta->to, goto error);
 	newdelta->delta_size = delta->delta_size;
 	newdelta->download_size = delta->download_size;
 
 	return newdelta;
+
+error:
+	_alpm_delta_free(newdelta);
+	return NULL;
 }
 
 /* vim: set noet: */
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index f2ee8f41..c340f112 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -48,13 +48,17 @@ static alpm_depmissing_t *depmiss_new(const char *target, alpm_depend_t *dep,
 {
 	alpm_depmissing_t *miss;
 
-	MALLOC(miss, sizeof(alpm_depmissing_t), return NULL);
+	CALLOC(miss, 1, sizeof(alpm_depmissing_t), return NULL);
 
-	STRDUP(miss->target, target, return NULL);
+	STRDUP(miss->target, target, goto error);
 	miss->depend = _alpm_dep_dup(dep);
-	STRDUP(miss->causingpkg, causingpkg, return NULL);
+	STRDUP(miss->causingpkg, causingpkg, goto error);
 
 	return miss;
+
+error:
+	alpm_depmissing_free(miss);
+	return NULL;
 }
 
 void SYMEXPORT alpm_depmissing_free(alpm_depmissing_t *miss)
@@ -465,11 +469,11 @@ alpm_depend_t SYMEXPORT *alpm_dep_from_string(const char *depstring)
 		return NULL;
 	}
 
-	MALLOC(depend, sizeof(alpm_depend_t), return NULL);
+	CALLOC(depend, 1, sizeof(alpm_depend_t), return NULL);
 
 	/* Note the extra space in ": " to avoid matching the epoch */
 	if((desc = strstr(depstring, ": ")) != NULL) {
-		STRDUP(depend->desc, desc + 2, return NULL);
+		STRDUP(depend->desc, desc + 2, goto error);
 		deplen = desc - depstring;
 	} else {
 		/* no description- point desc at NULL at end of string for later use */
@@ -509,13 +513,17 @@ alpm_depend_t SYMEXPORT *alpm_dep_from_string(const char *depstring)
 	}
 
 	/* copy the right parts to the right places */
-	STRNDUP(depend->name, depstring, ptr - depstring, return NULL);
+	STRNDUP(depend->name, depstring, ptr - depstring, goto error);
 	depend->name_hash = _alpm_hash_sdbm(depend->name);
 	if(version) {
-		STRNDUP(depend->version, version, desc - version, return NULL);
+		STRNDUP(depend->version, version, desc - version, goto error);
 	}
 
 	return depend;
+
+error:
+	alpm_dep_free(depend);
+	return NULL;
 }
 
 alpm_depend_t *_alpm_dep_dup(const alpm_depend_t *dep)
@@ -523,13 +531,17 @@ alpm_depend_t *_alpm_dep_dup(const alpm_depend_t *dep)
 	alpm_depend_t *newdep;
 	CALLOC(newdep, 1, sizeof(alpm_depend_t), return NULL);
 
-	STRDUP(newdep->name, dep->name, return NULL);
-	STRDUP(newdep->version, dep->version, return NULL);
-	STRDUP(newdep->desc, dep->desc, return NULL);
+	STRDUP(newdep->name, dep->name, goto error);
+	STRDUP(newdep->version, dep->version, goto error);
+	STRDUP(newdep->desc, dep->desc, goto error);
 	newdep->name_hash = dep->name_hash;
 	newdep->mod = dep->mod;
 
 	return newdep;
+
+error:
+	alpm_dep_free(newdep);
+	return NULL;
 }
 
 /* These parameters are messy. We check if this package, given a list of
@@ -597,11 +609,13 @@ int _alpm_recursedeps(alpm_db_t *db, alpm_list_t **targs, int include_explicit)
 			alpm_pkg_t *deppkg = j->data;
 			if(_alpm_pkg_depends_on(pkg, deppkg)
 					&& can_remove_package(db, deppkg, *targs, include_explicit)) {
-				alpm_pkg_t *copy;
+				alpm_pkg_t *copy = NULL;
 				_alpm_log(db->handle, ALPM_LOG_DEBUG, "adding '%s' to the targets\n",
 						deppkg->name);
 				/* add it to the target list */
 				if(_alpm_pkg_dup(deppkg, &copy)) {
+					/* we return memory on "non-fatal" error in _alpm_pkg_dup */
+					_alpm_pkg_free(copy);
 					return -1;
 				}
 				*targs = alpm_list_add(*targs, copy);
diff --git a/lib/libalpm/diskspace.c b/lib/libalpm/diskspace.c
index af87f755..c94cab31 100644
--- a/lib/libalpm/diskspace.c
+++ b/lib/libalpm/diskspace.c
@@ -112,7 +112,7 @@ static alpm_list_t *mount_point_list(alpm_handle_t *handle)
 
 	while((mnt = getmntent(fp))) {
 		CALLOC(mp, 1, sizeof(alpm_mountpoint_t), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
-		STRDUP(mp->mount_dir, mnt->mnt_dir, RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
+		STRDUP(mp->mount_dir, mnt->mnt_dir, free(mp); RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
 		mp->mount_dir_len = strlen(mp->mount_dir);
 
 		mount_points = alpm_list_add(mount_points, mp);
@@ -135,7 +135,7 @@ static alpm_list_t *mount_point_list(alpm_handle_t *handle)
 
 	while((ret = getmntent(fp, &mnt)) == 0) {
 		CALLOC(mp, 1, sizeof(alpm_mountpoint_t), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
-		STRDUP(mp->mount_dir, mnt->mnt_mountp,  RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
+		STRDUP(mp->mount_dir, mnt->mnt_mountp,  free(mp); RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
 		mp->mount_dir_len = strlen(mp->mount_dir);
 
 		mount_points = alpm_list_add(mount_points, mp);
@@ -162,7 +162,7 @@ static alpm_list_t *mount_point_list(alpm_handle_t *handle)
 
 	for(; entries-- > 0; fsp++) {
 		CALLOC(mp, 1, sizeof(alpm_mountpoint_t), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
-		STRDUP(mp->mount_dir, fsp->f_mntonname, RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
+		STRDUP(mp->mount_dir, fsp->f_mntonname, free(mp); RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
 		mp->mount_dir_len = strlen(mp->mount_dir);
 		memcpy(&(mp->fsp), fsp, sizeof(FSSTATSTYPE));
 #if defined(HAVE_GETMNTINFO_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_FLAG)
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index e3409f99..c5186bef 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -379,7 +379,7 @@ static FILE *create_tempfile(struct dload_payload *payload, const char *localpat
 	payload->tempfile_name = randpath;
 	free(payload->remote_name);
 	STRDUP(payload->remote_name, strrchr(randpath, '/') + 1,
-			RET_ERR(payload->handle, ALPM_ERR_MEMORY, NULL));
+			fclose(fp); RET_ERR(payload->handle, ALPM_ERR_MEMORY, NULL));
 
 	return fp;
 }
diff --git a/lib/libalpm/package.c b/lib/libalpm/package.c
index d9ed3d31..b186a4cb 100644
--- a/lib/libalpm/package.c
+++ b/lib/libalpm/package.c
@@ -83,6 +83,7 @@ int SYMEXPORT alpm_pkg_checkmd5sum(alpm_pkg_t *pkg)
  * backend logic that needs lazy access, such as the local database through
  * a lazy-load cache. However, the defaults will work just fine for fully-
  * populated package structures. */
+static const char *_pkg_get_base(alpm_pkg_t *pkg)        { return pkg->base; }
 static const char *_pkg_get_desc(alpm_pkg_t *pkg)        { return pkg->desc; }
 static const char *_pkg_get_url(alpm_pkg_t *pkg)         { return pkg->url; }
 static alpm_time_t _pkg_get_builddate(alpm_pkg_t *pkg)   { return pkg->builddate; }
@@ -144,6 +145,7 @@ static int _pkg_force_load(alpm_pkg_t UNUSED *pkg) { return 0; }
  * struct itself with no abstraction layer or any type of lazy loading.
  */
 struct pkg_operations default_pkg_ops = {
+	.get_base        = _pkg_get_base,
 	.get_desc        = _pkg_get_desc,
 	.get_url         = _pkg_get_url,
 	.get_builddate   = _pkg_get_builddate,
@@ -186,6 +188,13 @@ const char SYMEXPORT *alpm_pkg_get_filename(alpm_pkg_t *pkg)
 	return pkg->filename;
 }
 
+const char SYMEXPORT *alpm_pkg_get_base(alpm_pkg_t *pkg)
+{
+	ASSERT(pkg != NULL, return NULL);
+	pkg->handle->pm_errno = 0;
+	return pkg->ops->get_base(pkg);
+}
+
 const char SYMEXPORT *alpm_pkg_get_name(alpm_pkg_t *pkg)
 {
 	ASSERT(pkg != NULL, return NULL);
@@ -566,6 +575,7 @@ int _alpm_pkg_dup(alpm_pkg_t *pkg, alpm_pkg_t **new_ptr)
 
 	newpkg->name_hash = pkg->name_hash;
 	STRDUP(newpkg->filename, pkg->filename, goto cleanup);
+	STRDUP(newpkg->base, pkg->base, goto cleanup);
 	STRDUP(newpkg->name, pkg->name, goto cleanup);
 	STRDUP(newpkg->version, pkg->version, goto cleanup);
 	STRDUP(newpkg->desc, pkg->desc, goto cleanup);
@@ -641,6 +651,7 @@ void _alpm_pkg_free(alpm_pkg_t *pkg)
 	}
 
 	FREE(pkg->filename);
+	FREE(pkg->base);
 	FREE(pkg->name);
 	FREE(pkg->version);
 	FREE(pkg->desc);
diff --git a/lib/libalpm/package.h b/lib/libalpm/package.h
index 357c20ef..5ab9b207 100644
--- a/lib/libalpm/package.h
+++ b/lib/libalpm/package.h
@@ -43,6 +43,7 @@
  * defined default_pkg_ops struct to work just fine for their needs.
  */
 struct pkg_operations {
+	const char *(*get_base) (alpm_pkg_t *);
 	const char *(*get_desc) (alpm_pkg_t *);
 	const char *(*get_url) (alpm_pkg_t *);
 	alpm_time_t (*get_builddate) (alpm_pkg_t *);
@@ -85,6 +86,7 @@ extern struct pkg_operations default_pkg_ops;
 struct __alpm_pkg_t {
 	unsigned long name_hash;
 	char *filename;
+	char *base;
 	char *name;
 	char *version;
 	char *desc;
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index c513b6b5..e19655d9 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -736,11 +736,11 @@ static int apply_deltas(alpm_handle_t *handle)
 			} else {
 				/* len = cachedir len + from len + '/' + null */
 				len = strlen(cachedir) + strlen(d->from) + 2;
-				MALLOC(from, len, RET_ERR(handle, ALPM_ERR_MEMORY, 1));
+				MALLOC(from, len, free(delta); RET_ERR(handle, ALPM_ERR_MEMORY, 1));
 				snprintf(from, len, "%s/%s", cachedir, d->from);
 			}
 			len = strlen(cachedir) + strlen(d->to) + 2;
-			MALLOC(to, len, free(from); RET_ERR(handle, ALPM_ERR_MEMORY, 1));
+			MALLOC(to, len, free(delta); free(from); RET_ERR(handle, ALPM_ERR_MEMORY, 1));
 			snprintf(to, len, "%s/%s", cachedir, d->to);
 
 			/* build the patch command */
@@ -862,7 +862,7 @@ static struct dload_payload *build_payload(alpm_handle_t *handle,
 		struct dload_payload *payload;
 
 		CALLOC(payload, 1, sizeof(*payload), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
-		STRDUP(payload->remote_name, filename, RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
+		STRDUP(payload->remote_name, filename, FREE(payload); RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
 		payload->max_size = size;
 		payload->servers = servers;
 		return payload;
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index 7cdb096f..e680feb3 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -343,7 +343,7 @@ int _alpm_runscriptlet(alpm_handle_t *handle, const char *filepath,
 
 	/* either extract or copy the scriptlet */
 	len += strlen("/.INSTALL");
-	MALLOC(scriptfn, len, RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+	MALLOC(scriptfn, len, free(tmpdir); RET_ERR(handle, ALPM_ERR_MEMORY, -1));
 	snprintf(scriptfn, len, "%s/.INSTALL", tmpdir);
 	if(is_archive) {
 		if(_alpm_unpack_single(handle, filepath, tmpdir, ".INSTALL")) {
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index 43d0d7be..22408d70 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -542,7 +542,9 @@ int _alpm_run_chroot(alpm_handle_t *handle, const char *cmd, char *const argv[])
 		while(dup2(pipefd[1], 2) == -1 && errno == EINTR);
 		close(pipefd[0]);
 		close(pipefd[1]);
-		close(cwdfd);
+		if(cwdfd >= 0) {
+			close(cwdfd);
+		}
 
 		/* use fprintf instead of _alpm_log to send output through the parent */
 		if(chroot(handle->root) != 0) {