| /* |
| The contents of this file are subject to the Mozilla Public License |
| Version 1.0 (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.mozilla.org/MPL/ |
| |
| Software distributed under the License is distributed on an "AS IS" |
| basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
| License for the specific language governing rights and limitations |
| under the License. |
| |
| The Original Code is expat. |
| |
| The Initial Developer of the Original Code is James Clark. |
| Portions created by James Clark are Copyright (C) 1998 |
| James Clark. All Rights Reserved. |
| |
| Contributor(s): |
| */ |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #ifndef S_ISREG |
| #ifndef S_IFREG |
| #define S_IFREG _S_IFREG |
| #endif |
| #ifndef S_IFMT |
| #define S_IFMT _S_IFMT |
| #endif |
| #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) |
| #endif /* not S_ISREG */ |
| |
| #ifndef O_BINARY |
| #ifdef _O_BINARY |
| #define O_BINARY _O_BINARY |
| #else |
| #define O_BINARY 0 |
| #endif |
| #endif |
| |
| int filemap(const char *name, |
| void (*processor)(const void *, size_t, const char *, void *arg), |
| void *arg) |
| { |
| size_t nbytes; |
| int fd; |
| int n; |
| struct stat sb; |
| void *p; |
| |
| fd = open(name, O_RDONLY|O_BINARY); |
| if (fd < 0) { |
| perror(name); |
| return 0; |
| } |
| if (fstat(fd, &sb) < 0) { |
| perror(name); |
| return 0; |
| } |
| if (!S_ISREG(sb.st_mode)) { |
| fprintf(stderr, "%s: not a regular file\n", name); |
| return 0; |
| } |
| nbytes = sb.st_size; |
| p = malloc(nbytes); |
| if (!p) { |
| fprintf(stderr, "%s: out of memory\n", name); |
| return 0; |
| } |
| n = read(fd, p, nbytes); |
| if (n < 0) { |
| perror(name); |
| close(fd); |
| return 0; |
| } |
| if (n != nbytes) { |
| fprintf(stderr, "%s: read unexpected number of bytes\n", name); |
| close(fd); |
| return 0; |
| } |
| processor(p, nbytes, name, arg); |
| free(p); |
| close(fd); |
| return 1; |
| } |