1 /* 2 * Copyright (C) 2009 Dan Carpenter. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt 16 */ 17 18 #include <string.h> 19 #include <fcntl.h> 20 #include <unistd.h> 21 #include "parse.h" 22 #include "smatch.h" 23 24 int open_data_file(const char *filename) 25 { 26 char buf[256]; 27 int fd; 28 29 fd = open(filename, O_RDONLY); 30 if (fd >= 0) 31 return fd; 32 if (!data_dir) 33 return -1; 34 snprintf(buf, 256, "%s/%s", data_dir, filename); 35 return open(buf, O_RDONLY); 36 } 37 38 int open_schema_file(const char *schema) 39 { 40 char buf[256]; 41 int fd; 42 43 fd = open_data_file(schema); 44 if (fd >= 0) 45 return fd; 46 snprintf(buf, 256, "%s/smatch_data/%s", bin_dir, schema); 47 return open(buf, O_RDONLY); 48 } 49 50 struct token *get_tokens_file(const char *filename) 51 { 52 int fd; 53 struct token *token; 54 55 if (option_no_data) 56 return NULL; 57 fd = open_data_file(filename); 58 if (fd < 0) 59 return NULL; 60 token = tokenize(filename, fd, NULL, NULL); 61 close(fd); 62 return token; 63 } 64