1/* ----------------------------------------------------------------------- * 2 * 3 * Copyright 2005-2008 H. Peter Anvin - All Rights Reserved 4 * 5 * Permission is hereby granted, free of charge, to any person 6 * obtaining a copy of this software and associated documentation 7 * files (the "Software"), to deal in the Software without 8 * restriction, including without limitation the rights to use, 9 * copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom 11 * the Software is furnished to do so, subject to the following 12 * conditions: 13 * 14 * The above copyright notice and this permission notice shall 15 * be included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * ----------------------------------------------------------------------- */ 27 28/* 29 * loadfile.c 30 * 31 * Read the contents of a data file into a malloc'd buffer 32 */ 33 34#include <errno.h> 35#include <stdio.h> 36#include <stdlib.h> 37#include <unistd.h> 38#include <string.h> 39#include <fcntl.h> 40#include <sys/stat.h> 41 42#include <syslinux/loadfile.h> 43 44#define INCREMENTAL_CHUNK 1024*1024 45 46int loadfile(const char *filename, void **ptr, size_t * len) 47{ 48 FILE *f; 49 int rv, e; 50 51 f = fopen(filename, "r"); 52 if (!f) 53 return -1; 54 55 rv = floadfile(f, ptr, len, NULL, 0); 56 e = errno; 57 58 fclose(f); 59 60 if (rv) 61 errno = e; 62 return rv; 63} 64