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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | pmbaty | 1 | /** \file ignorecase.c */ |
| 2 | |||
| 3 | #include <stdio.h> |
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| 4 | #include <stdlib.h> |
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| 5 | #include <string.h> |
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| 6 | #include <ctype.h> |
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| 7 | |||
| 8 | #include "physfs.h" |
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| 9 | #include "ignorecase.h" |
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| 10 | |||
| 11 | /** |
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| 12 | * Please see ignorecase.h for details. |
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| 13 | * |
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| 14 | * License: this code is public domain. I make no warranty that it is useful, |
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| 15 | * correct, harmless, or environmentally safe. |
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| 16 | * |
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| 17 | * This particular file may be used however you like, including copying it |
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| 18 | * verbatim into a closed-source project, exploiting it commercially, and |
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| 19 | * removing any trace of my name from the source (although I hope you won't |
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| 20 | * do that). I welcome enhancements and corrections to this file, but I do |
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| 21 | * not require you to send me patches if you make changes. This code has |
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| 22 | * NO WARRANTY. |
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| 23 | * |
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| 24 | * Unless otherwise stated, the rest of PhysicsFS falls under the zlib license. |
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| 25 | * Please see LICENSE.txt in the root of the source tree. |
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| 26 | * |
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| 27 | * \author Ryan C. Gordon. |
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| 28 | */ |
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| 29 | |||
| 30 | static int locateOneElement(char *buf) |
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| 31 | { |
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| 32 | char *ptr; |
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| 33 | char **rc; |
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| 34 | char **i; |
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| 35 | |||
| 36 | if (PHYSFS_exists(buf)) |
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| 37 | return 1; /* quick rejection: exists in current case. */ |
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| 38 | |||
| 39 | ptr = strrchr(buf, '/'); /* find entry at end of path. */ |
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| 40 | if (ptr == NULL) |
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| 41 | { |
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| 42 | rc = PHYSFS_enumerateFiles("/"); |
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| 43 | ptr = buf; |
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| 44 | } /* if */ |
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| 45 | else |
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| 46 | { |
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| 47 | *ptr = '\0'; |
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| 48 | rc = PHYSFS_enumerateFiles(buf); |
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| 49 | *ptr = '/'; |
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| 50 | ptr++; /* point past dirsep to entry itself. */ |
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| 51 | } /* else */ |
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| 52 | |||
| 53 | if (rc != NULL) |
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| 54 | { |
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| 55 | for (i = rc; *i != NULL; i++) |
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| 56 | { |
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| 57 | if (PHYSFS_utf8stricmp(*i, ptr) == 0) |
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| 58 | { |
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| 59 | strcpy(ptr, *i); /* found a match. Overwrite with this case. */ |
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| 60 | PHYSFS_freeList(rc); |
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| 61 | return 1; |
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| 62 | } /* if */ |
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| 63 | } /* for */ |
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| 64 | |||
| 65 | PHYSFS_freeList(rc); |
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| 66 | } /* if */ |
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| 67 | |||
| 68 | /* no match at all... */ |
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| 69 | return 0; |
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| 70 | } /* locateOneElement */ |
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| 71 | |||
| 72 | |||
| 73 | int PHYSFSEXT_locateCorrectCase(char *buf) |
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| 74 | { |
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| 75 | int rc; |
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| 76 | char *ptr; |
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| 77 | |||
| 78 | while (*buf == '/') /* skip any '/' at start of string... */ |
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| 79 | buf++; |
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| 80 | |||
| 81 | ptr = buf; |
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| 82 | if (*ptr == '\0') |
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| 83 | return 0; /* Uh...I guess that's success. */ |
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| 84 | |||
| 85 | while ( (ptr = strchr(ptr + 1, '/')) != NULL ) |
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| 86 | { |
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| 87 | *ptr = '\0'; /* block this path section off */ |
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| 88 | rc = locateOneElement(buf); |
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| 89 | *ptr = '/'; /* restore path separator */ |
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| 90 | if (!rc) |
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| 91 | return -2; /* missing element in path. */ |
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| 92 | } /* while */ |
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| 93 | |||
| 94 | /* check final element... */ |
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| 95 | return locateOneElement(buf) ? 0 : -1; |
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| 96 | } /* PHYSFSEXT_locateCorrectCase */ |
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| 97 | |||
| 98 | |||
| 99 | #ifdef TEST_PHYSFSEXT_LOCATECORRECTCASE |
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| 100 | int main(int argc, char **argv) |
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| 101 | { |
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| 102 | int rc; |
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| 103 | char buf[128]; |
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| 104 | PHYSFS_File *f; |
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| 105 | |||
| 106 | if (!PHYSFS_init(argv[0])) |
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| 107 | { |
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| 108 | fprintf(stderr, "PHYSFS_init(): %s\n", PHYSFS_getLastError()); |
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| 109 | return 1; |
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| 110 | } /* if */ |
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| 111 | |||
| 112 | if (!PHYSFS_addToSearchPath(".", 1)) |
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| 113 | { |
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| 114 | fprintf(stderr, "PHYSFS_addToSearchPath(): %s\n", PHYSFS_getLastError()); |
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| 115 | PHYSFS_deinit(); |
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| 116 | return 1; |
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| 117 | } /* if */ |
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| 118 | |||
| 119 | if (!PHYSFS_setWriteDir(".")) |
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| 120 | { |
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| 121 | fprintf(stderr, "PHYSFS_setWriteDir(): %s\n", PHYSFS_getLastError()); |
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| 122 | PHYSFS_deinit(); |
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| 123 | return 1; |
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| 124 | } /* if */ |
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| 125 | |||
| 126 | if (!PHYSFS_mkdir("/a/b/c")) |
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| 127 | { |
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| 128 | fprintf(stderr, "PHYSFS_mkdir(): %s\n", PHYSFS_getLastError()); |
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| 129 | PHYSFS_deinit(); |
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| 130 | return 1; |
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| 131 | } /* if */ |
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| 132 | |||
| 133 | if (!PHYSFS_mkdir("/a/b/C")) |
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| 134 | { |
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| 135 | fprintf(stderr, "PHYSFS_mkdir(): %s\n", PHYSFS_getLastError()); |
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| 136 | PHYSFS_deinit(); |
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| 137 | return 1; |
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| 138 | } /* if */ |
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| 139 | |||
| 140 | f = PHYSFS_openWrite("/a/b/c/x.txt"); |
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| 141 | PHYSFS_close(f); |
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| 142 | if (f == NULL) |
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| 143 | { |
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| 144 | fprintf(stderr, "PHYSFS_openWrite(): %s\n", PHYSFS_getLastError()); |
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| 145 | PHYSFS_deinit(); |
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| 146 | return 1; |
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| 147 | } /* if */ |
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| 148 | |||
| 149 | f = PHYSFS_openWrite("/a/b/C/X.txt"); |
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| 150 | PHYSFS_close(f); |
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| 151 | if (f == NULL) |
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| 152 | { |
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| 153 | fprintf(stderr, "PHYSFS_openWrite(): %s\n", PHYSFS_getLastError()); |
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| 154 | PHYSFS_deinit(); |
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| 155 | return 1; |
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| 156 | } /* if */ |
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| 157 | |||
| 158 | strcpy(buf, "/a/b/c/x.txt"); |
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| 159 | rc = PHYSFSEXT_locateCorrectCase(buf); |
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| 160 | if ((rc != 0) || (strcmp(buf, "/a/b/c/x.txt") != 0)) |
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| 161 | printf("test 1 failed\n"); |
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| 162 | |||
| 163 | strcpy(buf, "/a/B/c/x.txt"); |
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| 164 | rc = PHYSFSEXT_locateCorrectCase(buf); |
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| 165 | if ((rc != 0) || (strcmp(buf, "/a/b/c/x.txt") != 0)) |
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| 166 | printf("test 2 failed\n"); |
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| 167 | |||
| 168 | strcpy(buf, "/a/b/C/x.txt"); |
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| 169 | rc = PHYSFSEXT_locateCorrectCase(buf); |
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| 170 | if ((rc != 0) || (strcmp(buf, "/a/b/C/X.txt") != 0)) |
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| 171 | printf("test 3 failed\n"); |
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| 172 | |||
| 173 | strcpy(buf, "/a/b/c/X.txt"); |
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| 174 | rc = PHYSFSEXT_locateCorrectCase(buf); |
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| 175 | if ((rc != 0) || (strcmp(buf, "/a/b/c/x.txt") != 0)) |
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| 176 | printf("test 4 failed\n"); |
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| 177 | |||
| 178 | strcpy(buf, "/a/b/c/z.txt"); |
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| 179 | rc = PHYSFSEXT_locateCorrectCase(buf); |
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| 180 | if ((rc != -1) || (strcmp(buf, "/a/b/c/z.txt") != 0)) |
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| 181 | printf("test 5 failed\n"); |
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| 182 | |||
| 183 | strcpy(buf, "/A/B/Z/z.txt"); |
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| 184 | rc = PHYSFSEXT_locateCorrectCase(buf); |
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| 185 | if ((rc != -2) || (strcmp(buf, "/a/b/Z/z.txt") != 0)) |
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| 186 | printf("test 6 failed\n"); |
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| 187 | |||
| 188 | printf("Testing completed.\n"); |
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| 189 | printf(" If no errors were reported, you're good to go.\n"); |
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| 190 | |||
| 191 | PHYSFS_delete("/a/b/c/x.txt"); |
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| 192 | PHYSFS_delete("/a/b/C/X.txt"); |
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| 193 | PHYSFS_delete("/a/b/c"); |
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| 194 | PHYSFS_delete("/a/b/C"); |
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| 195 | PHYSFS_delete("/a/b"); |
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| 196 | PHYSFS_delete("/a"); |
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| 197 | PHYSFS_deinit(); |
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| 198 | return 0; |
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| 199 | } /* main */ |
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| 200 | #endif |
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| 201 | |||
| 202 | /* end of ignorecase.c ... */ |
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| 203 |