| 43 | } |
| 44 | |
| 45 | int find_yourself(char *result, |
| 46 | size_t size_of_result) |
| 47 | { |
| 48 | #if (!defined(_WIN32) || !defined(_WIN64)) |
| 49 | char newpath[PATH_MAX + 256]; |
| 50 | char newpath2[PATH_MAX + 256]; |
| 51 | |
| 52 | assert(findyourself_initialized); |
| 53 | result[0] = 0; |
| 54 | |
| 55 | if (findyourself_save_argv0[0] == findyourself_path_separator) |
| 56 | { |
| 57 | if (findyourself_debug) |
| 58 | { |
| 59 | printf(" absolute path\n"); |
| 60 | } |
| 61 | |
| 62 | realpath(findyourself_save_argv0, newpath); |
| 63 | |
| 64 | if (findyourself_debug) |
| 65 | { |
| 66 | printf(" newpath=\"%s\"\n", newpath); |
| 67 | } |
| 68 | |
| 69 | if (!access(newpath, F_OK)) |
| 70 | { |
| 71 | strncpy(result, newpath, size_of_result); |
| 72 | result[size_of_result - 1] = 0; |
| 73 | return 0; |
| 74 | } |
| 75 | else |
| 76 | { |
| 77 | perror("access failed 1"); |
| 78 | } |
| 79 | } |
| 80 | else if ( strchr(findyourself_save_argv0, findyourself_path_separator)) |
| 81 | { |
| 82 | if (findyourself_debug) |
| 83 | { |
| 84 | printf(" relative path to pwd\n"); |
| 85 | } |
| 86 | |
| 87 | strncpy(newpath2, findyourself_save_pwd, sizeof(newpath2)); |
| 88 | newpath2[sizeof(newpath2) - 1] = 0; |
| 89 | strncat(newpath2, findyourself_path_separator_as_string, sizeof(newpath2) - strlen(newpath2) - 1); |
| 90 | newpath2[sizeof(newpath2) - 1] = 0; |
| 91 | strncat(newpath2, findyourself_save_argv0, sizeof(newpath2) - strlen(newpath2) - 1); |
| 92 | newpath2[sizeof(newpath2) - 1] = 0; |
| 93 | realpath(newpath2, newpath); |
| 94 | |
| 95 | if (findyourself_debug) |
| 96 | { |
| 97 | printf(" newpath=\"%s\"\n", newpath); |
| 98 | } |
| 99 | |
| 100 | if (!access(newpath, F_OK)) |
| 101 | { |
| 102 | strncpy(result, newpath, size_of_result); |