| /* |
| * Mailbox Daemon Implementation |
| * |
| * Copyright 2018 IBM |
| * |
| * 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. |
| * |
| */ |
| #define _GNU_SOURCE |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "common.h" |
| |
| static bool is_pnor_part(const char *str) |
| { |
| return strcasestr(str, "pnor") != NULL; |
| } |
| |
| char *get_dev_mtd(void) |
| { |
| FILE *f; |
| char *ret = NULL, *pos = NULL; |
| char line[255]; |
| |
| f = fopen("/proc/mtd", "r"); |
| if (!f) |
| return NULL; |
| |
| while (!pos && fgets(line, sizeof(line), f) != NULL) { |
| /* Going to have issues if we didn't get the full line */ |
| if (line[strlen(line) - 1] != '\n') |
| break; |
| |
| if (is_pnor_part(line)) { |
| pos = strchr(line, ':'); |
| if (!pos) |
| break; |
| } |
| } |
| fclose(f); |
| |
| if (pos) { |
| *pos = '\0'; |
| if (asprintf(&ret, "/dev/%s", line) == -1) |
| ret = NULL; |
| } |
| |
| return ret; |
| } |