Coding style cleanups; add a null check

Signed-off-by: Dan McGee <dan@archlinux.org>

src/pacman/pacman.c

@@ -1265,8 +1265,9 @@ static void cl_to_log(int argc, char* argv[])
 		size += strlen(argv[i]) + 1;
 	}
 	char *cl_text = malloc(size);
-	if(!cl_text)
+	if(!cl_text) {
 		return;
+	}
 	char *p = cl_text;
 	for(i = 0; i<argc-1; i++) {
 		strcpy(p, argv[i]);

src/pacman/query.c

@@ -78,6 +78,10 @@ static int search_path(char **filename, struct stat *bufptr)
 		}
 
 		fullname = malloc(plen + flen + 2);
+		if(!fullname) {
+			free(envpath);
+			return(-1);
+		}
 		sprintf(fullname, "%s/%s", path, *filename);
 
 		if(lstat(fullname, bufptr) == 0) {