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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | #include |
| 2 | #include |
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| 3 | #include |
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| 4 | |||
| 5 | extern char __curdir_buf[1024]; |
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| 6 | |||
| 7 | char* __get_curdir(void) {return __curdir_buf;} |
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| 8 | |||
| 9 | static void ___chdir(char* dest, const char* src) |
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| 10 | { |
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| 11 | // handle absolute paths |
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| 12 | if (src[0]=='/') |
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| 13 | { |
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| 14 | strcpy(dest,src); |
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| 15 | return; |
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| 16 | } |
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| 17 | // handle relative paths |
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| 18 | char* ptr = dest + strlen(dest); |
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| 19 | while (*src) |
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| 20 | { |
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| 21 | if (src[0] == '.' && src[1] == 0) |
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| 22 | break; |
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| 23 | if (src[0] == '.' && src[1] == '/') |
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| 24 | {++src;++src;continue;} |
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| 25 | if (src[0] == '.' && src[1] == '.' && |
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| 26 | (src[2] == 0 || src[2] == '/')) |
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| 27 | { |
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| 28 | while (ptr > dest && ptr[-1] != '/') |
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| 29 | --ptr; |
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| 30 | ++src;++src; |
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| 31 | if (*src == 0) break; |
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| 32 | ++src; |
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| 33 | continue; |
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| 34 | } |
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| 35 | *ptr++ = '/'; |
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| 36 | if (*src == '/') ++src; |
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| 37 | while (*src && *src!='/') *ptr++ = *src++; |
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| 38 | } |
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| 39 | *ptr = 0; |
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| 40 | } |
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| 41 | |||
| 42 | void __chdir(const char* path) |
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| 43 | { |
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| 44 | ___chdir(__curdir_buf,path); |
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| 45 | } |
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| 46 | |||
| 47 | static char __libc_combine_buffer[1024]; |
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| 48 | char* __libc_combine_path(const char* c) |
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| 49 | { |
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| 50 | strcpy(__libc_combine_buffer,__curdir_buf); |
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| 51 | ___chdir(__libc_combine_buffer,c); |
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| 52 | return __libc_combine_buffer; |
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| 53 | } |
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| 54 | |||
| 55 | |||
| 56 | #ifdef __TEST_IN_DOS__ |
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| 57 | |||
| 58 | int main(void) |
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| 59 | { |
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| 60 | init_dir_stack(); |
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| 61 | printf("|%s|\n",__get_curdir()); |
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| 62 | __chdir("jp/1/2/3"); |
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| 63 | printf("|%s|\n",__get_curdir()); |
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| 64 | __chdir("/jp/1/2/3"); |
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| 65 | printf("|%s|\n",__get_curdir()); |
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| 66 | __chdir("../4"); |
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| 67 | printf("|%s|\n",__get_curdir()); |
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| 68 | __chdir("./../.."); |
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| 69 | printf("|%s|\n",__get_curdir()); |
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| 70 | printf("Combined=|%s|\n",combine_path("./abc/def/../../../rd/2")); |
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| 71 | return 0; |
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| 72 | } |
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| 73 | #endif |