Fix a few problems reported by clang-analyzer

One missing NULL-check and 3 dead assignments.

Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>

3 files changed, 6 insertions, 10 deletions

diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index 254f830b..a0a657db 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -54,7 +54,6 @@ void *_package_changelog_open(pmpkg_t *pkg)
 	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);
@@ -68,7 +67,7 @@ void *_package_changelog_open(pmpkg_t *pkg)
 		RET_ERR(PM_ERR_PKG_OPEN, NULL);
 	}
 
-	while((ret = archive_read_next_header(archive, &entry)) == ARCHIVE_OK) {
+	while(archive_read_next_header(archive, &entry) == ARCHIVE_OK) {
 		const char *entry_name = archive_entry_pathname(entry);
 
 		if(strcmp(entry_name, ".CHANGELOG") == 0) {
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index e1c76638..851d7b83 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -129,7 +129,6 @@ int _alpm_sync_db_populate(pmdb_t *db)
 	int count = 0;
 	struct archive *archive;
 	struct archive_entry *entry;
-	const char * archive_path;
 
 	ALPM_LOG_FUNC;
 
@@ -156,8 +155,6 @@ int _alpm_sync_db_populate(pmdb_t *db)
 		st = archive_entry_stat(entry);
 
 		if(S_ISDIR(st->st_mode)) {
-			archive_path = archive_entry_pathname(entry);
-
 			pkg = _alpm_pkg_new();
 			if(pkg == NULL) {
 				archive_read_finish(archive);
@@ -204,7 +201,7 @@ int _alpm_sync_db_populate(pmdb_t *db)
 int _alpm_sync_db_read(pmdb_t *db, struct archive *archive, struct archive_entry *entry)
 {
 	char line[1024];
-	const char *entryname;
+	const char *entryname = NULL;
 	char *filename, *pkgname, *p, *q;
 	pmpkg_t *pkg;
 
@@ -214,13 +211,14 @@ int _alpm_sync_db_read(pmdb_t *db, struct archive *archive, struct archive_entry
 		RET_ERR(PM_ERR_DB_NULL, -1);
 	}
 
-	if(entry == NULL) {
+	if(entry != NULL) {
+		entryname = archive_entry_pathname(entry);
+	}
+	if(entryname == NULL) {
 		_alpm_log(PM_LOG_DEBUG, "invalid archive entry provided to _alpm_sync_db_read, skipping\n");
 		return(-1);
 	}
 
-	entryname = archive_entry_pathname(entry);
-
 	_alpm_log(PM_LOG_FUNCTION, "loading package data from archive entry %s\n",
 			entryname);
 
diff --git a/src/pacman/util.c b/src/pacman/util.c
index 5b4b2e80..31966caa 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -651,7 +651,6 @@ void print_packages(const alpm_list_t *packages)
 			string = strreplace(temp, "%s", size);
 			free(size);
 			free(temp);
-			temp = string;
 		}
 		printf("%s\n",string);
 		free(string);