1 /***************************************************************************
2 * Copyright (C) 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
31 #include "replacements.h"
33 #include "configuration.h"
45 static inline int fileio_open_local(fileio_t *fileio)
49 switch (fileio->access)
57 case FILEIO_READWRITE:
63 case FILEIO_APPENDREAD:
67 LOG_ERROR("BUG: access neither read, write nor readwrite");
68 return ERROR_INVALID_ARGUMENTS;
71 /* win32 always opens in binary mode */
73 if (fileio->type == FILEIO_BINARY)
79 if (!(fileio->file = open_file_from_path (fileio->url, access)))
81 LOG_ERROR("couldn't open %s", fileio->url);
82 return ERROR_FILEIO_OPERATION_FAILED;
85 if ((fileio->access != FILEIO_WRITE) || (fileio->access == FILEIO_READWRITE))
87 /* NB! Here we use fseek() instead of stat(), since stat is a
88 * more advanced operation that might not apply to e.g. a disk path
89 * that refers to e.g. a tftp client */
92 result = fseek(fileio->file, 0, SEEK_END);
94 fileio->size = ftell(fileio->file);
96 result2 = fseek(fileio->file, 0, SEEK_SET);
98 if ((fileio->size<0)||(result<0)||(result2<0))
100 fileio_close(fileio);
101 return ERROR_FILEIO_OPERATION_FAILED;
112 int fileio_open(fileio_t *fileio, const char *url, enum fileio_access access, enum fileio_type type)
114 int retval = ERROR_OK;
117 fileio->access = access;
118 fileio->url = strdup(url);
120 retval = fileio_open_local(fileio);
125 static inline int fileio_close_local(fileio_t *fileio)
128 if ((retval = fclose(fileio->file)) != 0)
132 LOG_ERROR("BUG: fileio_local->file not a valid file descriptor");
136 LOG_ERROR("couldn't close %s: %s", fileio->url, strerror(errno));
139 return ERROR_FILEIO_OPERATION_FAILED;
145 int fileio_close(fileio_t *fileio)
149 retval = fileio_close_local(fileio);
157 int fileio_seek(fileio_t *fileio, u32 position)
160 if ((retval = fseek(fileio->file, position, SEEK_SET)) != 0)
162 LOG_ERROR("couldn't seek file %s: %s", fileio->url, strerror(errno));
163 return ERROR_FILEIO_OPERATION_FAILED;
169 static inline int fileio_local_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
171 *size_read = fread(buffer, 1, size, fileio->file);
176 int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
178 return fileio_local_read(fileio, size, buffer, size_read);
181 int fileio_read_u32(fileio_t *fileio, u32 *data)
187 if ((retval = fileio_local_read(fileio, 4, buf, &size_read)) != ERROR_OK)
189 *data = be_to_h_u32(buf);
194 static inline int fileio_local_fgets(fileio_t *fileio, u32 size, char *buffer)
196 if( fgets(buffer, size, fileio->file) == NULL)
197 return ERROR_FILEIO_OPERATION_FAILED;
202 int fileio_fgets(fileio_t *fileio, u32 size, char *buffer)
204 return fileio_local_fgets(fileio, size, buffer);
207 static inline int fileio_local_write(fileio_t *fileio, u32 size, const u8 *buffer, u32 *size_written)
209 *size_written = fwrite(buffer, 1, size, fileio->file);
214 int fileio_write(fileio_t *fileio, u32 size, const u8 *buffer, u32 *size_written)
218 retval = fileio_local_write(fileio, size, buffer, size_written);
220 if (retval == ERROR_OK)
221 fileio->size += *size_written;
226 int fileio_write_u32(fileio_t *fileio, u32 data)
232 h_u32_to_be(buf, data);
234 if ((retval = fileio_local_write(fileio, 4, buf, &size_written)) != ERROR_OK)