1 /***************************************************************************
2 * Copyright (C) 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
25 #include "replacements.h"
27 #include "configuration.h"
35 #include <sys/types.h>
40 int fileio_close(fileio_t
*fileio
);
41 int fileio_dispatch_read(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_read
);
43 int fileio_open_local(fileio_t
*fileio
)
47 switch (fileio
->access
)
55 case FILEIO_READWRITE
:
61 case FILEIO_APPENDREAD
:
65 LOG_ERROR("BUG: access neither read, write nor readwrite");
66 return ERROR_INVALID_ARGUMENTS
;
69 /* win32 always opens in binary mode */
71 if (fileio
->type
== FILEIO_BINARY
)
77 if (!(fileio
->file
= open_file_from_path (fileio
->url
, access
)))
79 LOG_ERROR("couldn't open %s", fileio
->url
);
80 return ERROR_FILEIO_OPERATION_FAILED
;
83 if ((fileio
->access
!= FILEIO_WRITE
) || (fileio
->access
== FILEIO_READWRITE
))
85 /* NB! Here we use fseek() instead of stat(), since stat is a
86 * more advanced operation that might not apply to e.g. a disk path
87 * that refers to e.g. a tftp client */
90 result
= fseek(fileio
->file
, 0, SEEK_END
);
92 fileio
->size
= ftell(fileio
->file
);
94 result2
= fseek(fileio
->file
, 0, SEEK_SET
);
96 if ((fileio
->size
<0)||(result
<0)||(result2
<0))
99 return ERROR_FILEIO_OPERATION_FAILED
;
110 int fileio_open(fileio_t
*fileio
, char *url
, enum fileio_access access
, enum fileio_type type
)
112 int retval
= ERROR_OK
;
115 fileio
->access
= access
;
116 fileio
->url
= strdup(url
);
118 retval
= fileio_open_local(fileio
);
123 int fileio_close_local(fileio_t
*fileio
)
126 if ((retval
= fclose(fileio
->file
)) != 0)
130 LOG_ERROR("BUG: fileio_local->file not a valid file descriptor");
134 LOG_ERROR("couldn't close %s: %s", fileio
->url
, strerror(errno
));
137 return ERROR_FILEIO_OPERATION_FAILED
;
143 int fileio_close(fileio_t
*fileio
)
147 retval
= fileio_close_local(fileio
);
155 int fileio_seek(fileio_t
*fileio
, u32 position
)
158 if ((retval
= fseek(fileio
->file
, position
, SEEK_SET
)) != 0)
160 LOG_ERROR("couldn't seek file %s: %s", fileio
->url
, strerror(errno
));
161 return ERROR_FILEIO_OPERATION_FAILED
;
167 int fileio_local_read(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_read
)
169 *size_read
= fread(buffer
, 1, size
, fileio
->file
);
174 int fileio_read(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_read
)
176 return fileio_local_read(fileio
, size
, buffer
, size_read
);
179 int fileio_read_u32(fileio_t
*fileio
, u32
*data
)
185 if ((retval
= fileio_local_read(fileio
, 4, buf
, &size_read
)) != ERROR_OK
)
187 *data
= be_to_h_u32(buf
);
192 int fileio_local_fgets(fileio_t
*fileio
, u32 size
, char *buffer
)
194 if( fgets(buffer
, size
, fileio
->file
) == NULL
)
195 return ERROR_FILEIO_OPERATION_FAILED
;
200 int fileio_fgets(fileio_t
*fileio
, u32 size
, char *buffer
)
202 return fileio_local_fgets(fileio
, size
, buffer
);
205 int fileio_local_write(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_written
)
207 *size_written
= fwrite(buffer
, 1, size
, fileio
->file
);
212 int fileio_write(fileio_t
*fileio
, u32 size
, u8
*buffer
, u32
*size_written
)
216 retval
= fileio_local_write(fileio
, size
, buffer
, size_written
);
218 if (retval
== ERROR_OK
)
219 fileio
->size
+= *size_written
;
224 int fileio_write_u32(fileio_t
*fileio
, u32 data
)
230 h_u32_to_be(buf
, data
);
232 if ((retval
= fileio_local_write(fileio
, 4, buf
, &size_written
)) != ERROR_OK
)
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