| /* |
| ** Copyright 2012, The CyanogenMod Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| |
| #include "utils.h" |
| |
| /* reads a file, making sure it is terminated with \n \0 */ |
| char* read_file(const char* fn) { |
| struct stat st; |
| char* data = NULL; |
| |
| int fd = open(fn, O_RDONLY); |
| if (fd < 0) return data; |
| |
| if (fstat(fd, &st)) goto oops; |
| |
| data = malloc(st.st_size + 2); |
| if (!data) goto oops; |
| |
| if (read(fd, data, st.st_size) != st.st_size) goto oops; |
| close(fd); |
| data[st.st_size] = '\n'; |
| data[st.st_size + 1] = 0; |
| return data; |
| |
| oops: |
| close(fd); |
| if (data) free(data); |
| return NULL; |
| } |