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| Rev | Author | Line No. | Line |
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| 2435 | jelen | 1 | /* |
| 2 | * Copyright (c) 2007 Konopa-Jelen-Majer |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 2434 | jelen | 29 | /** @addtogroup FSDemo |
| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** |
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| 2435 | jelen | 34 | * @file cat.standard.c |
| 35 | * @brief A file system demonstration task - standard library version |
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| 2434 | jelen | 36 | */ |
| 37 | |||
| 38 | |||
| 39 | #include <err.h> |
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| 40 | #include <stdio.h> |
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| 41 | #include <stdlib.h> |
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| 42 | #include <string.h> |
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| 43 | #include <unistd.h> |
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| 44 | #include <async.h> |
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| 45 | #include "../console/console.h" |
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| 46 | #include <io/file.h> |
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| 47 | #include <io/stat.h> |
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| 48 | |||
| 2435 | jelen | 49 | |
| 50 | /** |
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| 51 | * This is a very basic linear demonstration script of the standard file library |
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| 52 | */ |
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| 2434 | jelen | 53 | int main(int argc, char *argv[]) |
| 54 | { |
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| 55 | |||
| 56 | file_t * file; |
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| 57 | unsigned int dir_items_length; |
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| 58 | dir_item_t* dir_items; |
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| 59 | char buffer[256]; |
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| 60 | int retval; |
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| 61 | |||
| 62 | printf("Cat task\n"); |
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| 63 | |||
| 64 | /* File list in working directory. */ |
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| 2435 | jelen | 65 | printf("File list:\n"); |
| 2434 | jelen | 66 | dir_items = ls(&dir_items_length); |
| 67 | printf("Got a list\n"); |
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| 68 | |||
| 69 | int entry; |
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| 70 | for (entry = 0; entry < dir_items_length; entry++) { |
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| 71 | printf("Inode number: %u\t\t", dir_items[entry].inode_num); |
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| 72 | printf("File name: %s\n", dir_items[entry].name); |
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| 73 | |||
| 74 | } |
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| 2435 | jelen | 75 | |
| 2434 | jelen | 76 | /* We want to change working directory */ |
| 77 | retval = chdir("uspace/fs"); |
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| 78 | |||
| 79 | /* We want to work with specified file. */ |
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| 2435 | jelen | 80 | file = fopen("fs.c", F_MODE_READ); |
| 2434 | jelen | 81 | retval = fstat( file ); |
| 82 | |||
| 83 | printf("Info about file: %s\n", file->base_info.name); |
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| 84 | printf("Inode number: %d\n", file->stat.st_ino); |
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| 85 | printf("Mode: %d\n", file->stat.st_mode); |
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| 86 | printf("Links: %d\n", file->stat.st_nlink); |
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| 87 | printf("Size: %d\n", file->stat.st_size); |
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| 88 | |||
| 89 | retval = fseek( file, 100, 1); |
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| 90 | retval = fread( file, buffer, 100); |
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| 91 | buffer[100]=0; |
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| 92 | |||
| 93 | printf("%d bytes was read into buffer\n", retval); |
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| 94 | printf("\nContent of the buffer:\n"); |
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| 95 | printf(buffer); |
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| 96 | printf("\n\n"); |
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| 97 | |||
| 98 | retval = fseek( file, 0, 0); |
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| 99 | retval = fread( file, buffer, 50); |
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| 100 | buffer[50]=0; |
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| 101 | |||
| 102 | printf("%d bytes was read into buffer\n", retval); |
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| 103 | printf("\nContent of the buffer:\n"); |
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| 104 | printf(buffer); |
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| 105 | printf("\n\n"); |
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| 2435 | jelen | 106 | /*close the file */ |
| 107 | retval = fclose( file ); |
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| 2434 | jelen | 108 | |
| 2435 | jelen | 109 | return 0; |
| 2434 | jelen | 110 | } |
| 111 | |||
| 112 | /** |
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| 113 | * } |
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| 114 | */ |