Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program 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 |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #include <pj/file_access.h> |
| 21 | #include <pj/assert.h> |
| 22 | #include <pj/errno.h> |
| 23 | |
| 24 | #include <sys/types.h> |
| 25 | #include <sys/stat.h> |
| 26 | #include <unistd.h> |
| 27 | #include <stdio.h> /* rename() */ |
| 28 | #include <errno.h> |
| 29 | |
| 30 | /* |
| 31 | * pj_file_exists() |
| 32 | */ |
| 33 | PJ_DEF(pj_bool_t) pj_file_exists(const char *filename) |
| 34 | { |
| 35 | struct stat buf; |
| 36 | |
| 37 | PJ_ASSERT_RETURN(filename, 0); |
| 38 | |
| 39 | if (stat(filename, &buf) != 0) |
| 40 | return 0; |
| 41 | |
| 42 | return PJ_TRUE; |
| 43 | } |
| 44 | |
| 45 | |
| 46 | /* |
| 47 | * pj_file_size() |
| 48 | */ |
| 49 | PJ_DEF(pj_off_t) pj_file_size(const char *filename) |
| 50 | { |
| 51 | struct stat buf; |
| 52 | |
| 53 | PJ_ASSERT_RETURN(filename, -1); |
| 54 | |
| 55 | if (stat(filename, &buf) != 0) |
| 56 | return -1; |
| 57 | |
| 58 | return buf.st_size; |
| 59 | } |
| 60 | |
| 61 | |
| 62 | /* |
| 63 | * pj_file_delete() |
| 64 | */ |
| 65 | PJ_DEF(pj_status_t) pj_file_delete(const char *filename) |
| 66 | { |
| 67 | PJ_ASSERT_RETURN(filename, PJ_EINVAL); |
| 68 | |
| 69 | if (unlink(filename)!=0) { |
| 70 | return PJ_RETURN_OS_ERROR(errno); |
| 71 | } |
| 72 | return PJ_SUCCESS; |
| 73 | } |
| 74 | |
| 75 | |
| 76 | /* |
| 77 | * pj_file_move() |
| 78 | */ |
| 79 | PJ_DEF(pj_status_t) pj_file_move( const char *oldname, const char *newname) |
| 80 | { |
| 81 | PJ_ASSERT_RETURN(oldname && newname, PJ_EINVAL); |
| 82 | |
| 83 | if (rename(oldname, newname) != 0) { |
| 84 | return PJ_RETURN_OS_ERROR(errno); |
| 85 | } |
| 86 | return PJ_SUCCESS; |
| 87 | } |
| 88 | |
| 89 | |
| 90 | /* |
| 91 | * pj_file_getstat() |
| 92 | */ |
| 93 | PJ_DEF(pj_status_t) pj_file_getstat(const char *filename, |
| 94 | pj_file_stat *statbuf) |
| 95 | { |
| 96 | struct stat buf; |
| 97 | |
| 98 | PJ_ASSERT_RETURN(filename && statbuf, PJ_EINVAL); |
| 99 | |
| 100 | if (stat(filename, &buf) != 0) { |
| 101 | return PJ_RETURN_OS_ERROR(errno); |
| 102 | } |
| 103 | |
| 104 | statbuf->size = buf.st_size; |
| 105 | statbuf->ctime.sec = buf.st_ctime; |
| 106 | statbuf->ctime.msec = 0; |
| 107 | statbuf->mtime.sec = buf.st_mtime; |
| 108 | statbuf->mtime.msec = 0; |
| 109 | statbuf->atime.sec = buf.st_atime; |
| 110 | statbuf->atime.msec = 0; |
| 111 | |
| 112 | return PJ_SUCCESS; |
| 113 | } |
| 114 | |