Fixed some warnings reported by clang.

bin/xbps-checkvers/main.c

@@ -275,7 +275,7 @@ rcv_load_file(rcv_t *rcv, const char *fname)
 static char *
 rcv_refs(rcv_t *rcv, const char *s, size_t len)
 {
-	map_item_t item = map_new_item();
+	map_item_t item;
 	size_t i = 0, j = 0, k = 0, count = len*3;
 	char *ref = calloc(count, sizeof(char));
 	char *buf = calloc(count, sizeof(char));

bin/xbps-install/transaction.c

@@ -283,7 +283,7 @@ exec_transaction(struct xbps_handle *xhp, int maxcols, bool yes, bool drun)
 		}
 		xbps_dbg_printf(xhp, "Empty transaction dictionary: %s\n",
 		    strerror(errno));
-		return rv;
+		goto out;
 	}
 	xbps_dbg_printf(xhp, "Dictionary before transaction happens:\n");
 	xbps_dbg_printf_append(xhp, "%s",

bin/xbps-rindex/index-add.c

@@ -47,7 +47,8 @@ index_add(struct xbps_handle *xhp, int argc, char **argv, bool force)
 	struct xbps_repo *repo;
 	struct stat st;
 	const char *arch;
-	char *sha256, *pkgver, *opkgver, *oarch, *pkgname, *tmprepodir, *repodir;
+	char *sha256, *pkgver, *opkgver, *oarch, *pkgname;
+	char *tmprepodir = NULL, *repodir = NULL;
 	int rv = 0, ret = 0;
 	bool flush = false, found = false;
 
@@ -256,7 +257,7 @@ index_add(struct xbps_handle *xhp, int argc, char **argv, bool force)
 		if (!repodata_flush(xhp, repodir, idx, idxfiles, idxmeta)) {
 			fprintf(stderr, "%s: failed to write repodata: %s\n",
 			    _XBPS_RINDEX, strerror(errno));
-			return -1;
+			goto out;
 		}
 	}
 	printf("index: %u packages registered.\n", xbps_dictionary_count(idx));
@@ -264,6 +265,11 @@ index_add(struct xbps_handle *xhp, int argc, char **argv, bool force)
 
 out:
 	index_unlock(il);
-
+	if (tmprepodir) {
+		free(tmprepodir);
+	}
+	if (repodir) {
+		free(repodir);
+	}
 	return rv;
 }

bin/xbps-rindex/index-clean.c

@@ -160,7 +160,7 @@ index_clean(struct xbps_handle *xhp, const char *repodir)
 	pthread_mutex_init(&cbd.mtx, NULL);
 
 	allkeys = xbps_dictionary_all_keys(idx);
-	rv = xbps_array_foreach_cb_multi(xhp, allkeys, idx, idx_cleaner_cb, &cbd);
+	(void)xbps_array_foreach_cb_multi(xhp, allkeys, idx, idx_cleaner_cb, &cbd);
 	for (unsigned int x = 0; x < xbps_array_count(cbd.result); x++) {
 		xbps_array_get_cstring(cbd.result, x, &keyname);
 		printf("index-files: removed entry %s\n", keyname);
@@ -180,7 +180,7 @@ index_clean(struct xbps_handle *xhp, const char *repodir)
 	cbd.idx = idx;
 	cbd.result = xbps_array_create();
 	allkeys = xbps_dictionary_all_keys(idxfiles);
-	rv = xbps_array_foreach_cb_multi(xhp, allkeys, idxfiles, idxfiles_cleaner_cb, &cbd);
+	(void)xbps_array_foreach_cb_multi(xhp, allkeys, idxfiles, idxfiles_cleaner_cb, &cbd);
 	for (unsigned int x = 0; x < xbps_array_count(cbd.result); x++) {
 		xbps_array_get_cstring(cbd.result, x, &keyname);
 		printf("index-files: removed entry %s\n", keyname);

bin/xbps-rindex/sem.c

@@ -56,11 +56,13 @@ index_lock(struct xbps_handle *xhp)
 	if (il->sem == SEM_FAILED) {
 		fprintf(stderr, "%s: failed to create/open named "
 		    "semaphore: %s\n", _XBPS_RINDEX, strerror(errno));
+		free(il);
 		return NULL;
 	}
 	if (sem_wait(il->sem) == -1) {
 		fprintf(stderr, "%s: failed to lock named semaphore: %s\n",
 		    _XBPS_RINDEX, strerror(errno));
+		free(il);
 		return NULL;
 	}
 

bin/xbps-rindex/sign.c

@@ -235,6 +235,7 @@ sign_repo(struct xbps_handle *xhp, const char *repodir,
 		binpkg_sig_fd = creat(binpkg_sig, 0644);
 		if (binpkg_sig_fd == -1) {
 			fprintf(stderr, "failed to create %s: %s\n", binpkg_sig, strerror(errno));
+			free(sig);
 			free(binpkg_sig);
 			continue;
 		}
@@ -248,7 +249,6 @@ sign_repo(struct xbps_handle *xhp, const char *repodir,
 		free(sig);
 		free(binpkg_sig);
 		close(binpkg_sig_fd);
-		binpkg_fd = binpkg_sig_fd = -1;
 		printf("signed successfully %s\n", pkgver);
 	}
 	xbps_object_iterator_release(iter);
@@ -290,8 +290,7 @@ sign_repo(struct xbps_handle *xhp, const char *repodir,
 
 	if (!repodata_flush(xhp, repodir, repo->idx, repo->idxfiles, meta)) {
 		fprintf(stderr, "failed to write repodata: %s\n", strerror(errno));
-		RSA_free(rsa);
-		return -1;
+		goto out;
 	}
 	printf("Signed repository (%u package%s)\n",
 	    xbps_dictionary_count(repo->idx),
@@ -300,12 +299,15 @@ sign_repo(struct xbps_handle *xhp, const char *repodir,
 out:
 	index_unlock(il);
 
+	if (defprivkey) {
+		free(defprivkey);
+	}
 	if (rsa) {
 		RSA_free(rsa);
 		rsa = NULL;
 	}
-	if (repo)
+	if (repo) {
 		xbps_repo_close(repo);
-
+	}
 	return rv ? -1 : 0;
 }

lib/initend.c

@@ -280,7 +280,6 @@ xbps_init(struct xbps_handle *xhp)
 		xbps_dbg_printf(xhp, "failed to read configuration file %s: %s\n",
 		     xhp->conffile, strerror(rv));
 		xbps_dbg_printf(xhp, "Using built-in defaults\n");
-		rv = 0;
 	}
 	/* Set rootdir */
 	if (xhp->rootdir[0] == '\0') {

lib/pubkey2fp.c

@@ -124,7 +124,7 @@ xbps_pubkey2fp(struct xbps_handle *xhp, xbps_data_t pubkey)
 	memcpy(pEncoding, pSshHeader, 11);
 
 	index = SshEncodeBuffer(&pEncoding[11], eLen, eBytes);
-	index = SshEncodeBuffer(&pEncoding[11 + index], nLen, nBytes);
+	(void)SshEncodeBuffer(&pEncoding[11 + index], nLen, nBytes);
 
 	/*
 	 * Compute the RSA fingerprint (MD5).