| 79 | #endif |
| 80 | |
| 81 | char * |
| 82 | SDL_GetBasePath(void) |
| 83 | { |
| 84 | char *retval = NULL; |
| 85 | |
| 86 | #if defined(__FREEBSD__) |
| 87 | char fullpath[PATH_MAX]; |
| 88 | size_t buflen = sizeof (fullpath); |
| 89 | const int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 }; |
| 90 | if (sysctl(mib, SDL_arraysize(mib), fullpath, &buflen, NULL, 0) != -1) { |
| 91 | retval = SDL_strdup(fullpath); |
| 92 | if (!retval) { |
| 93 | SDL_OutOfMemory(); |
| 94 | return NULL; |
| 95 | } |
| 96 | } |
| 97 | #endif |
| 98 | #if defined(__OPENBSD__) |
| 99 | char **retvalargs; |
| 100 | size_t len; |
| 101 | const int mib[] = { CTL_KERN, KERN_PROC_ARGS, getpid(), KERN_PROC_ARGV }; |
| 102 | if (sysctl(mib, 4, NULL, &len, NULL, 0) != -1) { |
| 103 | retvalargs = SDL_malloc(len); |
| 104 | if (!retvalargs) { |
| 105 | SDL_OutOfMemory(); |
| 106 | return NULL; |
| 107 | } |
| 108 | sysctl(mib, 4, retvalargs, &len, NULL, 0); |
| 109 | retval = SDL_malloc(PATH_MAX + 1); |
| 110 | if (retval) |
| 111 | realpath(retvalargs[0], retval); |
| 112 | |
| 113 | SDL_free(retvalargs); |
| 114 | } |
| 115 | #endif |
| 116 | #if defined(__SOLARIS__) |
| 117 | const char *path = getexecname(); |
| 118 | if ((path != NULL) && (path[0] == '/')) { /* must be absolute path... */ |
| 119 | retval = SDL_strdup(path); |
| 120 | if (!retval) { |
| 121 | SDL_OutOfMemory(); |
| 122 | return NULL; |
| 123 | } |
| 124 | } |
| 125 | #endif |
| 126 | |
| 127 | /* is a Linux-style /proc filesystem available? */ |
| 128 | if (!retval && (access("/proc", F_OK) == 0)) { |
| 129 | /* !!! FIXME: after 2.0.6 ships, let's delete this code and just |
| 130 | use the /proc/%llu version. There's no reason to have |
| 131 | two copies of this plus all the #ifdefs. --ryan. */ |
| 132 | #if defined(__FREEBSD__) |
| 133 | retval = readSymLink("/proc/curproc/file"); |
| 134 | #elif defined(__NETBSD__) |
| 135 | retval = readSymLink("/proc/curproc/exe"); |
| 136 | #elif defined(__QNXNTO__) |
| 137 | retval = SDL_LoadFile("/proc/self/exefile", NULL); |
| 138 | #else |