1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdio.h> 18 #include <unistd.h> 19 #include <stdarg.h> 20 #include <string.h> 21 22 #include "ueventd_parser.h" 23 #include "parser.h" 24 #include "log.h" 25 #include "util.h" 26 27 static void parse_line_device(struct parse_state *state, int nargs, char **args); 28 29 static void parse_config(const char *fn, char *s) 30 { 31 struct parse_state state; 32 char *args[UEVENTD_PARSER_MAXARGS]; 33 int nargs; 34 nargs = 0; 35 state.filename = fn; 36 state.line = 1; 37 state.ptr = s; 38 state.nexttoken = 0; 39 state.parse_line = parse_line_device; 40 for (;;) { 41 int token = next_token(&state); 42 switch (token) { 43 case T_EOF: 44 state.parse_line(&state, 0, 0); 45 return; 46 case T_NEWLINE: 47 if (nargs) { 48 state.parse_line(&state, nargs, args); 49 nargs = 0; 50 } 51 break; 52 case T_TEXT: 53 if (nargs < UEVENTD_PARSER_MAXARGS) { 54 args[nargs++] = state.text; 55 } 56 break; 57 } 58 } 59 } 60 61 int ueventd_parse_config_file(const char *fn) 62 { 63 char *data; 64 data = read_file(fn, 0); 65 if (!data) return -1; 66 67 parse_config(fn, data); 68 DUMP(); 69 return 0; 70 } 71 72 static void parse_line_device(struct parse_state* state, int nargs, char **args) 73 { 74 set_device_permission(nargs, args); 75 } 76
