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 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
28 #include "replacements.h"
30 #include "configuration.h"
38 #include <sys/types.h>
43 int fileio_close(fileio_t
*fileio
);
44 int fileio_dispatch_read(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_read
);
46 int fileio_open_local(fileio_t
*fileio
)
50 switch (fileio
->access
)
58 case FILEIO_READWRITE
:
64 case FILEIO_APPENDREAD
:
68 LOG_ERROR("BUG: access neither read, write nor readwrite");
69 return ERROR_INVALID_ARGUMENTS
;
72 /* win32 always opens in binary mode */
74 if (fileio
->type
== FILEIO_BINARY
)
80 if (!(fileio
->file
= open_file_from_path (fileio
->url
, access
)))
82 LOG_ERROR("couldn't open %s", fileio
->url
);
83 return ERROR_FILEIO_OPERATION_FAILED
;
86 if ((fileio
->access
!= FILEIO_WRITE
) || (fileio
->access
== FILEIO_READWRITE
))
88 /* NB! Here we use fseek() instead of stat(), since stat is a
89 * more advanced operation that might not apply to e.g. a disk path
90 * that refers to e.g. a tftp client */
93 result
= fseek(fileio
->file
, 0, SEEK_END
);
95 fileio
->size
= ftell(fileio
->file
);
97 result2
= fseek(fileio
->file
, 0, SEEK_SET
);
99 if ((fileio
->size
<0)||(result
<0)||(result2
<0))
101 fileio_close(fileio
);
102 return ERROR_FILEIO_OPERATION_FAILED
;
113 int fileio_open(fileio_t
*fileio
, char *url
, enum fileio_access access
, enum fileio_type type
)
115 int retval
= ERROR_OK
;
118 fileio
->access
= access
;
119 fileio
->url
= strdup(url
);
121 retval
= fileio_open_local(fileio
);
126 int fileio_close_local(fileio_t
*fileio
)
129 if ((retval
= fclose(fileio
->file
)) != 0)
133 LOG_ERROR("BUG: fileio_local->file not a valid file descriptor");
137 LOG_ERROR("couldn't close %s: %s", fileio
->url
, strerror(errno
));
140 return ERROR_FILEIO_OPERATION_FAILED
;
146 int fileio_close(fileio_t
*fileio
)
150 retval
= fileio_close_local(fileio
);
158 int fileio_seek(fileio_t
*fileio
, u32 position
)
161 if ((retval
= fseek(fileio
->file
, position
, SEEK_SET
)) != 0)
163 LOG_ERROR("couldn't seek file %s: %s", fileio
->url
, strerror(errno
));
164 return ERROR_FILEIO_OPERATION_FAILED
;
170 int fileio_local_read(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_read
)
172 *size_read
= fread(buffer
, 1, size
, fileio
->file
);
177 int fileio_read(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_read
)
179 return fileio_local_read(fileio
, size
, buffer
, size_read
);
182 int fileio_read_u32(fileio_t
*fileio
, u32
*data
)
188 if ((retval
= fileio_local_read(fileio
, 4, buf
, &size_read
)) != ERROR_OK
)
190 *data
= be_to_h_u32(buf
);
195 int fileio_local_fgets(fileio_t
*fileio
, u32 size
, char *buffer
)
197 if( fgets(buffer
, size
, fileio
->file
) == NULL
)
198 return ERROR_FILEIO_OPERATION_FAILED
;
203 int fileio_fgets(fileio_t
*fileio
, u32 size
, char *buffer
)
205 return fileio_local_fgets(fileio
, size
, buffer
);
208 int fileio_local_write(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_written
)
210 *size_written
= fwrite(buffer
, 1, size
, fileio
->file
);
215 int fileio_write(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_written
)
219 retval
= fileio_local_write(fileio
, size
, buffer
, size_written
);
221 if (retval
== ERROR_OK
)
222 fileio
->size
+= *size_written
;
227 int fileio_write_u32(fileio_t
*fileio
, u32 data
)
233 h_u32_to_be(buf
, data
);
235 if ((retval
= fileio_local_write(fileio
, 4, buf
, &size_written
)) != ERROR_OK
)
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