1 /* 2 * libkmod - interface to kernel module operations 3 * 4 * Copyright (C) 2011-2013 ProFUSION embedded systems 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #pragma once 21 22 #include <inttypes.h> 23 24 struct index_value { 25 struct index_value *next; 26 unsigned int priority; 27 unsigned int len; 28 char value[0]; 29 }; 30 31 /* In-memory index (depmod only) */ 32 struct index_file; 33 struct index_file *index_file_open(const char *filename); 34 void index_file_close(struct index_file *idx); 35 char *index_search(struct index_file *idx, const char *key); 36 void index_dump(struct index_file *in, int fd, const char *prefix); 37 struct index_value *index_searchwild(struct index_file *idx, const char *key); 38 39 void index_values_free(struct index_value *values); 40 41 /* Implementation using mmap */ 42 struct index_mm; 43 int index_mm_open(const struct kmod_ctx *ctx, const char *filename, 44 unsigned long long *stamp, struct index_mm **pidx); 45 void index_mm_close(struct index_mm *index); 46 char *index_mm_search(struct index_mm *idx, const char *key); 47 struct index_value *index_mm_searchwild(struct index_mm *idx, const char *key); 48 void index_mm_dump(struct index_mm *idx, int fd, const char *prefix); 49