Last change
on this file since 1889 was 1765, checked in by Bruno Cornec, 17 years ago |
Update to busybox 1.7.2
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-
Property svn:eol-style
set to
native
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File size:
1.3 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * io_manager.c --- the I/O manager abstraction
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4 | */
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5 |
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6 | #include <stdio.h>
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7 | #include <string.h>
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8 | #if HAVE_UNISTD_H
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9 | #include <unistd.h>
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10 | #endif
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11 | #include <fcntl.h>
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12 | #include <time.h>
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13 | #if HAVE_SYS_STAT_H
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14 | #include <sys/stat.h>
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15 | #endif
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16 | #if HAVE_SYS_TYPES_H
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17 | #include <sys/types.h>
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18 | #endif
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19 |
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20 | #include "ext2_fs.h"
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21 | #include "ext2fs.h"
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22 |
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23 | errcode_t io_channel_set_options(io_channel channel, const char *opts)
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24 | {
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25 | errcode_t retval = 0;
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26 | char *next, *ptr, *options, *arg;
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27 |
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28 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
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29 |
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30 | if (!opts)
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31 | return 0;
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32 |
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33 | if (!channel->manager->set_option)
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34 | return EXT2_ET_INVALID_ARGUMENT;
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35 |
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36 | options = malloc(strlen(opts)+1);
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37 | if (!options)
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38 | return EXT2_ET_NO_MEMORY;
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39 | strcpy(options, opts);
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40 | ptr = options;
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41 |
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42 | while (ptr && *ptr) {
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43 | next = strchr(ptr, '&');
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44 | if (next)
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45 | *next++ = 0;
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46 |
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47 | arg = strchr(ptr, '=');
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48 | if (arg)
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49 | *arg++ = 0;
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50 |
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51 | retval = (channel->manager->set_option)(channel, ptr, arg);
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52 | if (retval)
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53 | break;
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54 | ptr = next;
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55 | }
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56 | free(options);
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57 | return retval;
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58 | }
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59 |
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60 | errcode_t io_channel_write_byte(io_channel channel, unsigned long offset,
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61 | int count, const void *data)
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62 | {
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63 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
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64 |
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65 | if (channel->manager->write_byte)
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66 | return channel->manager->write_byte(channel, offset,
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67 | count, data);
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68 |
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69 | return EXT2_ET_UNIMPLEMENTED;
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70 | }
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