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2656 | jermar | 1 | /* |
2699 | jermar | 2 | * Copyright (c) 2008 Jakub Jermar |
2656 | jermar | 3 | * All rights reserved. |
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 | |||
29 | #include <errno.h> |
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30 | #include <stdio.h> |
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2672 | jermar | 31 | #include <stdlib.h> |
2656 | jermar | 32 | #include <string.h> |
2755 | jermar | 33 | #include <vfs/vfs.h> |
2674 | jermar | 34 | #include <unistd.h> |
35 | #include <fcntl.h> |
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2699 | jermar | 36 | #include <dirent.h> |
2707 | jermar | 37 | #include <sys/types.h> |
38 | #include <sys/stat.h> |
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2656 | jermar | 39 | #include "../tester.h" |
40 | |||
2710 | jermar | 41 | char text[] = "O xein', angellein Lakedaimoniois hoti teide " |
42 | "keimetha tois keinon rhemasi peithomenoi."; |
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43 | |||
2656 | jermar | 44 | char *test_vfs1(bool quiet) |
45 | { |
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2788 | jermar | 46 | int rc; |
2699 | jermar | 47 | |
2788 | jermar | 48 | rc = mount("tmpfs", "/", "nulldev0"); |
49 | switch (rc) { |
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50 | case EOK: |
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51 | if (!quiet) |
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52 | printf("mounted tmpfs on /\n"); |
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53 | break; |
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54 | case EBUSY: |
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55 | if (!quiet) |
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56 | printf("(INFO) something is already mounted on /\n"); |
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57 | break; |
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58 | default: |
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59 | if (!quiet) |
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60 | printf("(INFO) IPC returned errno %d\n", rc); |
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61 | return "mount() failed."; |
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62 | } |
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63 | |||
2707 | jermar | 64 | if (mkdir("/mydir", 0) != 0) |
65 | return "mkdir() failed.\n"; |
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2710 | jermar | 66 | if (!quiet) |
2711 | jermar | 67 | printf("created directory /mydir\n"); |
2710 | jermar | 68 | |
69 | int fd0 = open("/mydir/myfile", O_CREAT); |
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70 | if (fd0 < 0) |
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71 | return "open() failed.\n"; |
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72 | if (!quiet) |
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2711 | jermar | 73 | printf("created file /mydir/myfile, fd=%d\n", fd0); |
2699 | jermar | 74 | |
2710 | jermar | 75 | ssize_t cnt; |
76 | size_t size = sizeof(text); |
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77 | cnt = write(fd0, text, size); |
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78 | if (cnt < 0) |
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79 | return "write() failed.\n"; |
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80 | if (!quiet) |
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2711 | jermar | 81 | printf("written %d bytes, fd=%d\n", cnt, fd0); |
2710 | jermar | 82 | if (lseek(fd0, 0, SEEK_SET) != 0) |
83 | return "lseek() failed.\n"; |
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2665 | jermar | 84 | if (!quiet) |
2711 | jermar | 85 | printf("sought to position 0, fd=%d\n", fd0); |
2656 | jermar | 86 | |
2665 | jermar | 87 | char buf[10]; |
2672 | jermar | 88 | |
2934 | jermar | 89 | while ((cnt = read(fd0, buf, sizeof(buf)))) { |
90 | if (cnt < 0) |
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91 | return "read() failed.\n"; |
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92 | if (!quiet) |
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93 | printf("read %d bytes: \"%.*s\", fd=%d\n", cnt, cnt, |
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94 | buf, fd0); |
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95 | } |
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2656 | jermar | 96 | |
2737 | jermar | 97 | close(fd0); |
98 | |||
2711 | jermar | 99 | DIR *dirp; |
100 | struct dirent *dp; |
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2710 | jermar | 101 | |
2737 | jermar | 102 | if (!quiet) |
103 | printf("scanning the root directory...\n"); |
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104 | |||
2711 | jermar | 105 | dirp = opendir("/"); |
106 | if (!dirp) |
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2737 | jermar | 107 | return "opendir() failed\n"; |
2711 | jermar | 108 | while ((dp = readdir(dirp))) |
109 | printf("discovered node %s in /\n", dp->d_name); |
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110 | closedir(dirp); |
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2710 | jermar | 111 | |
2763 | jermar | 112 | if (rename("/mydir/myfile", "/mydir/yourfile")) |
113 | return "rename() failed.\n"; |
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114 | |||
115 | if (!quiet) |
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116 | printf("renamed /mydir/myfile to /mydir/yourfile\n"); |
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117 | |||
118 | if (unlink("/mydir/yourfile")) |
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2737 | jermar | 119 | return "unlink() failed.\n"; |
120 | |||
121 | if (!quiet) |
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2763 | jermar | 122 | printf("unlinked file /mydir/yourfile\n"); |
2737 | jermar | 123 | |
124 | if (rmdir("/mydir")) |
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125 | return "rmdir() failed.\n"; |
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126 | |||
127 | if (!quiet) |
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128 | printf("removed directory /mydir\n"); |
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129 | |||
130 | if (!quiet) |
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131 | printf("scanning the root directory...\n"); |
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132 | |||
133 | dirp = opendir("/"); |
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134 | if (!dirp) |
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135 | return "opendir() failed\n"; |
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136 | while ((dp = readdir(dirp))) |
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137 | printf("discovered node %s in /\n", dp->d_name); |
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138 | closedir(dirp); |
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139 | |||
2656 | jermar | 140 | return NULL; |
141 | } |
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2672 | jermar | 142 |