1/* 2The contents of this file are subject to the Mozilla Public License 3Version 1.1 (the "License"); you may not use this file except in 4compliance with the License. You may obtain a copy of the License at 5http://www.mozilla.org/MPL/ 6 7Software distributed under the License is distributed on an "AS IS" 8basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 9License for the specific language governing rights and limitations 10under the License. 11 12The Original Code is expat. 13 14The Initial Developer of the Original Code is James Clark. 15Portions created by James Clark are Copyright (C) 1998, 1999 16James Clark. All Rights Reserved. 17 18Contributor(s): 19 20Alternatively, the contents of this file may be used under the terms 21of the GNU General Public License (the "GPL"), in which case the 22provisions of the GPL are applicable instead of those above. If you 23wish to allow use of your version of this file only under the terms of 24the GPL and not to allow others to use your version of this file under 25the MPL, indicate your decision by deleting the provisions above and 26replace them with the notice and other provisions required by the 27GPL. If you do not delete the provisions above, a recipient may use 28your version of this file under either the MPL or the GPL. 29*/ 30 31#include <sys/types.h> 32#include <sys/stat.h> 33#include <fcntl.h> 34#include <stdlib.h> 35#include <stdio.h> 36 37#ifndef S_ISREG 38#ifndef S_IFREG 39#define S_IFREG _S_IFREG 40#endif 41#ifndef S_IFMT 42#define S_IFMT _S_IFMT 43#endif 44#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 45#endif /* not S_ISREG */ 46 47#ifndef O_BINARY 48#ifdef _O_BINARY 49#define O_BINARY _O_BINARY 50#else 51#define O_BINARY 0 52#endif 53#endif 54 55 56#if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__BORLANDC__) 57extern int open (const char* path, int mode); 58extern int read (int fd, void* buf, size_t count); 59extern int close (int fd); 60#endif 61 62 63int filemap(const char *name, 64 void (*processor)(const void *, size_t, const char *, void *arg), 65 void *arg) 66{ 67 size_t nbytes; 68 int fd; 69 int n; 70 struct stat sb; 71 void *p; 72 73 fd = open(name, O_RDONLY|O_BINARY); 74 if (fd < 0) { 75 perror(name); 76 return 0; 77 } 78 if (fstat(fd, &sb) < 0) { 79 perror(name); 80 return 0; 81 } 82 if (!S_ISREG(sb.st_mode)) { 83 fprintf(stderr, "%s: not a regular file\n", name); 84 return 0; 85 } 86 nbytes = sb.st_size; 87 p = malloc(nbytes); 88 if (!p) { 89 fprintf(stderr, "%s: out of memory\n", name); 90 return 0; 91 } 92 n = read(fd, p, nbytes); 93 if (n < 0) { 94 perror(name); 95 close(fd); 96 return 0; 97 } 98 if ((size_t) n != nbytes) { 99 fprintf(stderr, "%s: read unexpected number of bytes\n", name); 100 close(fd); 101 return 0; 102 } 103 processor(p, nbytes, name, arg); 104 free(p); 105 close(fd); 106 return 1; 107} 108