| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (file_path.c). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <string.h> |
| 26 | #include <time.h> |
| 27 | #include <errno.h> |
| 28 | |
| 29 | #include <sys/stat.h> |
| 30 | |
| 31 | #include <boolean.h> |
| 32 | #include <file/file_path.h> |
| 33 | #include <retro_assert.h> |
| 34 | #include <string/stdstring.h> |
| 35 | #include <time/rtime.h> |
| 36 | |
| 37 | /* TODO: There are probably some unnecessary things on this huge include list now but I'm too afraid to touch it */ |
| 38 | #ifdef __APPLE__ |
| 39 | #include <CoreFoundation/CoreFoundation.h> |
| 40 | #endif |
| 41 | #ifdef __HAIKU__ |
| 42 | #include <kernel/image.h> |
| 43 | #endif |
| 44 | #ifndef __MACH__ |
| 45 | #include <compat/strl.h> |
| 46 | #include <compat/posix_string.h> |
| 47 | #endif |
| 48 | #include <retro_miscellaneous.h> |
| 49 | #include <encodings/utf.h> |
| 50 | |
| 51 | #if defined(_WIN32) |
| 52 | #ifdef _MSC_VER |
| 53 | #define setmode _setmode |
| 54 | #endif |
| 55 | #include <sys/stat.h> |
| 56 | #ifdef _XBOX |
| 57 | #include <xtl.h> |
| 58 | #define INVALID_FILE_ATTRIBUTES -1 |
| 59 | #else |
| 60 | #include <io.h> |
| 61 | #include <fcntl.h> |
| 62 | #include <direct.h> |
| 63 | #include <windows.h> |
| 64 | #if defined(_MSC_VER) && _MSC_VER <= 1200 |
| 65 | #define INVALID_FILE_ATTRIBUTES ((DWORD)-1) |
| 66 | #endif |
| 67 | #endif |
| 68 | #elif defined(VITA) |
| 69 | #define SCE_ERROR_ERRNO_EEXIST 0x80010011 |
| 70 | #include <psp2/io/fcntl.h> |
| 71 | #include <psp2/io/dirent.h> |
| 72 | #include <psp2/io/stat.h> |
| 73 | #else |
| 74 | #include <sys/types.h> |
| 75 | #include <sys/stat.h> |
| 76 | #include <unistd.h> |
| 77 | #endif |
| 78 | |
| 79 | #if defined(PSP) |
| 80 | #include <pspkernel.h> |
| 81 | #endif |
| 82 | |
| 83 | #if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__) |
| 84 | #include <cell/cell_fs.h> |
| 85 | #endif |
| 86 | |
| 87 | #if defined(VITA) |
| 88 | #define FIO_S_ISDIR SCE_S_ISDIR |
| 89 | #endif |
| 90 | |
| 91 | #if (defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)) || defined(__QNX__) || defined(PSP) |
| 92 | #include <unistd.h> /* stat() is defined here */ |
| 93 | #endif |
| 94 | |
| 95 | #if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL) |
| 96 | #ifdef __WINRT__ |
| 97 | #include <uwp/uwp_func.h> |
| 98 | #endif |
| 99 | #endif |
| 100 | |
| 101 | /* Assume W-functions do not work below Win2K and Xbox platforms */ |
| 102 | #if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500 || defined(_XBOX) |
| 103 | |
| 104 | #ifndef LEGACY_WIN32 |
| 105 | #define LEGACY_WIN32 |
| 106 | #endif |
| 107 | |
| 108 | #endif |
| 109 | |
| 110 | /** |
| 111 | * path_get_archive_delim: |
| 112 | * @path : path |
| 113 | * |
| 114 | * Find delimiter of an archive file. Only the first '#' |
| 115 | * after a compression extension is considered. |
| 116 | * |
| 117 | * Returns: pointer to the delimiter in the path if it contains |
| 118 | * a path inside a compressed file, otherwise NULL. |
| 119 | */ |
| 120 | const char *path_get_archive_delim(const char *path) |
| 121 | { |
| 122 | const char *last_slash = find_last_slash(path); |
| 123 | const char *delim = NULL; |
| 124 | char buf[5]; |
| 125 | |
| 126 | buf[0] = '\0'; |
| 127 | |
| 128 | if (!last_slash) |
| 129 | return NULL; |
| 130 | |
| 131 | /* Find delimiter position */ |
| 132 | delim = strrchr(last_slash, '#'); |
| 133 | |
| 134 | if (!delim) |
| 135 | return NULL; |
| 136 | |
| 137 | /* Check whether this is a known archive type |
| 138 | * > Note: The code duplication here is |
| 139 | * deliberate, to maximise performance */ |
| 140 | if (delim - last_slash > 4) |
| 141 | { |
| 142 | strlcpy(buf, delim - 4, sizeof(buf)); |
| 143 | buf[4] = '\0'; |
| 144 | |
| 145 | string_to_lower(buf); |
| 146 | |
| 147 | /* Check if this is a '.zip', '.apk' or '.7z' file */ |
| 148 | if (string_is_equal(buf, ".zip") || |
| 149 | string_is_equal(buf, ".apk") || |
| 150 | string_is_equal(buf + 1, ".7z")) |
| 151 | return delim; |
| 152 | } |
| 153 | else if (delim - last_slash > 3) |
| 154 | { |
| 155 | strlcpy(buf, delim - 3, sizeof(buf)); |
| 156 | buf[3] = '\0'; |
| 157 | |
| 158 | string_to_lower(buf); |
| 159 | |
| 160 | /* Check if this is a '.7z' file */ |
| 161 | if (string_is_equal(buf, ".7z")) |
| 162 | return delim; |
| 163 | } |
| 164 | |
| 165 | return NULL; |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * path_get_extension: |
| 170 | * @path : path |
| 171 | * |
| 172 | * Gets extension of file. Only '.'s |
| 173 | * after the last slash are considered. |
| 174 | * |
| 175 | * Returns: extension part from the path. |
| 176 | */ |
| 177 | const char *path_get_extension(const char *path) |
| 178 | { |
| 179 | const char *ext; |
| 180 | if (!string_is_empty(path) && ((ext = strrchr(path_basename(path), '.')))) |
| 181 | return ext + 1; |
| 182 | return ""; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * path_remove_extension: |
| 187 | * @path : path |
| 188 | * |
| 189 | * Mutates path by removing its extension. Removes all |
| 190 | * text after and including the last '.'. |
| 191 | * Only '.'s after the last slash are considered. |
| 192 | * |
| 193 | * Returns: |
| 194 | * 1) If path has an extension, returns path with the |
| 195 | * extension removed. |
| 196 | * 2) If there is no extension, returns NULL. |
| 197 | * 3) If path is empty or NULL, returns NULL |
| 198 | */ |
| 199 | char *path_remove_extension(char *path) |
| 200 | { |
| 201 | char *last = !string_is_empty(path) |
| 202 | ? (char*)strrchr(path_basename(path), '.') : NULL; |
| 203 | if (!last) |
| 204 | return NULL; |
| 205 | if (*last) |
| 206 | *last = '\0'; |
| 207 | return path; |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * path_is_compressed_file: |
| 212 | * @path : path |
| 213 | * |
| 214 | * Checks if path is a compressed file. |
| 215 | * |
| 216 | * Returns: true (1) if path is a compressed file, otherwise false (0). |
| 217 | **/ |
| 218 | bool path_is_compressed_file(const char* path) |
| 219 | { |
| 220 | const char *ext = path_get_extension(path); |
| 221 | |
| 222 | if (string_is_empty(ext)) |
| 223 | return false; |
| 224 | |
| 225 | if (string_is_equal_noncase(ext, "zip") || |
| 226 | string_is_equal_noncase(ext, "apk") || |
| 227 | string_is_equal_noncase(ext, "7z")) |
| 228 | return true; |
| 229 | |
| 230 | return false; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * fill_pathname: |
| 235 | * @out_path : output path |
| 236 | * @in_path : input path |
| 237 | * @replace : what to replace |
| 238 | * @size : buffer size of output path |
| 239 | * |
| 240 | * FIXME: Verify |
| 241 | * |
| 242 | * Replaces filename extension with 'replace' and outputs result to out_path. |
| 243 | * The extension here is considered to be the string from the last '.' |
| 244 | * to the end. |
| 245 | * |
| 246 | * Only '.'s after the last slash are considered as extensions. |
| 247 | * If no '.' is present, in_path and replace will simply be concatenated. |
| 248 | * 'size' is buffer size of 'out_path'. |
| 249 | * E.g.: in_path = "/foo/bar/baz/boo.c", replace = ".asm" => |
| 250 | * out_path = "/foo/bar/baz/boo.asm" |
| 251 | * E.g.: in_path = "/foo/bar/baz/boo.c", replace = "" => |
| 252 | * out_path = "/foo/bar/baz/boo" |
| 253 | */ |
| 254 | void fill_pathname(char *out_path, const char *in_path, |
| 255 | const char *replace, size_t size) |
| 256 | { |
| 257 | char tmp_path[PATH_MAX_LENGTH]; |
| 258 | char *tok = NULL; |
| 259 | |
| 260 | tmp_path[0] = '\0'; |
| 261 | |
| 262 | strlcpy(tmp_path, in_path, sizeof(tmp_path)); |
| 263 | if ((tok = (char*)strrchr(path_basename(tmp_path), '.'))) |
| 264 | *tok = '\0'; |
| 265 | |
| 266 | fill_pathname_noext(out_path, tmp_path, replace, size); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * fill_pathname_noext: |
| 271 | * @out_path : output path |
| 272 | * @in_path : input path |
| 273 | * @replace : what to replace |
| 274 | * @size : buffer size of output path |
| 275 | * |
| 276 | * Appends a filename extension 'replace' to 'in_path', and outputs |
| 277 | * result in 'out_path'. |
| 278 | * |
| 279 | * Assumes in_path has no extension. If an extension is still |
| 280 | * present in 'in_path', it will be ignored. |
| 281 | * |
| 282 | */ |
| 283 | size_t fill_pathname_noext(char *out_path, const char *in_path, |
| 284 | const char *replace, size_t size) |
| 285 | { |
| 286 | strlcpy(out_path, in_path, size); |
| 287 | return strlcat(out_path, replace, size); |
| 288 | } |
| 289 | |
| 290 | char *find_last_slash(const char *str) |
| 291 | { |
| 292 | const char *slash = strrchr(str, '/'); |
| 293 | #ifdef _WIN32 |
| 294 | const char *backslash = strrchr(str, '\\'); |
| 295 | |
| 296 | if (!slash || (backslash > slash)) |
| 297 | return (char*)backslash; |
| 298 | #endif |
| 299 | return (char*)slash; |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * fill_pathname_slash: |
| 304 | * @path : path |
| 305 | * @size : size of path |
| 306 | * |
| 307 | * Assumes path is a directory. Appends a slash |
| 308 | * if not already there. |
| 309 | **/ |
| 310 | void fill_pathname_slash(char *path, size_t size) |
| 311 | { |
| 312 | size_t path_len; |
| 313 | const char *last_slash = find_last_slash(path); |
| 314 | |
| 315 | if (!last_slash) |
| 316 | { |
| 317 | strlcat(path, PATH_DEFAULT_SLASH(), size); |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | path_len = strlen(path); |
| 322 | /* Try to preserve slash type. */ |
| 323 | if (last_slash != (path + path_len - 1)) |
| 324 | { |
| 325 | path[path_len] = last_slash[0]; |
| 326 | path[path_len+1] = '\0'; |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * fill_pathname_dir: |
| 332 | * @in_dir : input directory path |
| 333 | * @in_basename : input basename to be appended to @in_dir |
| 334 | * @replace : replacement to be appended to @in_basename |
| 335 | * @size : size of buffer |
| 336 | * |
| 337 | * Appends basename of 'in_basename', to 'in_dir', along with 'replace'. |
| 338 | * Basename of in_basename is the string after the last '/' or '\\', |
| 339 | * i.e the filename without directories. |
| 340 | * |
| 341 | * If in_basename has no '/' or '\\', the whole 'in_basename' will be used. |
| 342 | * 'size' is buffer size of 'in_dir'. |
| 343 | * |
| 344 | * E.g..: in_dir = "/tmp/some_dir", in_basename = "/some_content/foo.c", |
| 345 | * replace = ".asm" => in_dir = "/tmp/some_dir/foo.c.asm" |
| 346 | **/ |
| 347 | size_t fill_pathname_dir(char *in_dir, const char *in_basename, |
| 348 | const char *replace, size_t size) |
| 349 | { |
| 350 | const char *base = NULL; |
| 351 | |
| 352 | fill_pathname_slash(in_dir, size); |
| 353 | base = path_basename(in_basename); |
| 354 | strlcat(in_dir, base, size); |
| 355 | return strlcat(in_dir, replace, size); |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * fill_pathname_base: |
| 360 | * @out : output path |
| 361 | * @in_path : input path |
| 362 | * @size : size of output path |
| 363 | * |
| 364 | * Copies basename of @in_path into @out_path. |
| 365 | **/ |
| 366 | size_t fill_pathname_base(char *out, const char *in_path, size_t size) |
| 367 | { |
| 368 | const char *ptr = path_basename(in_path); |
| 369 | |
| 370 | if (!ptr) |
| 371 | ptr = in_path; |
| 372 | |
| 373 | return strlcpy(out, ptr, size); |
| 374 | } |
| 375 | |
| 376 | void fill_pathname_base_noext(char *out, |
| 377 | const char *in_path, size_t size) |
| 378 | { |
| 379 | fill_pathname_base(out, in_path, size); |
| 380 | path_remove_extension(out); |
| 381 | } |
| 382 | |
| 383 | size_t fill_pathname_base_ext(char *out, |
| 384 | const char *in_path, const char *ext, |
| 385 | size_t size) |
| 386 | { |
| 387 | fill_pathname_base_noext(out, in_path, size); |
| 388 | return strlcat(out, ext, size); |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * fill_pathname_basedir: |
| 393 | * @out_dir : output directory |
| 394 | * @in_path : input path |
| 395 | * @size : size of output directory |
| 396 | * |
| 397 | * Copies base directory of @in_path into @out_path. |
| 398 | * If in_path is a path without any slashes (relative current directory), |
| 399 | * @out_path will get path "./". |
| 400 | **/ |
| 401 | void fill_pathname_basedir(char *out_dir, |
| 402 | const char *in_path, size_t size) |
| 403 | { |
| 404 | if (out_dir != in_path) |
| 405 | strlcpy(out_dir, in_path, size); |
| 406 | path_basedir(out_dir); |
| 407 | } |
| 408 | |
| 409 | void fill_pathname_basedir_noext(char *out_dir, |
| 410 | const char *in_path, size_t size) |
| 411 | { |
| 412 | fill_pathname_basedir(out_dir, in_path, size); |
| 413 | path_remove_extension(out_dir); |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * fill_pathname_parent_dir_name: |
| 418 | * @out_dir : output directory |
| 419 | * @in_dir : input directory |
| 420 | * @size : size of output directory |
| 421 | * |
| 422 | * Copies only the parent directory name of @in_dir into @out_dir. |
| 423 | * The two buffers must not overlap. Removes trailing '/'. |
| 424 | * Returns true on success, false if a slash was not found in the path. |
| 425 | **/ |
| 426 | bool fill_pathname_parent_dir_name(char *out_dir, |
| 427 | const char *in_dir, size_t size) |
| 428 | { |
| 429 | bool success = false; |
| 430 | char *temp = strdup(in_dir); |
| 431 | char *last = find_last_slash(temp); |
| 432 | |
| 433 | if (last && last[1] == 0) |
| 434 | { |
| 435 | *last = '\0'; |
| 436 | last = find_last_slash(temp); |
| 437 | } |
| 438 | |
| 439 | if (last) |
| 440 | *last = '\0'; |
| 441 | |
| 442 | in_dir = find_last_slash(temp); |
| 443 | |
| 444 | success = in_dir && in_dir[1]; |
| 445 | |
| 446 | if (success) |
| 447 | strlcpy(out_dir, in_dir + 1, size); |
| 448 | |
| 449 | free(temp); |
| 450 | return success; |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * fill_pathname_parent_dir: |
| 455 | * @out_dir : output directory |
| 456 | * @in_dir : input directory |
| 457 | * @size : size of output directory |
| 458 | * |
| 459 | * Copies parent directory of @in_dir into @out_dir. |
| 460 | * Assumes @in_dir is a directory. Keeps trailing '/'. |
| 461 | * If the path was already at the root directory, @out_dir will be an empty string. |
| 462 | **/ |
| 463 | void fill_pathname_parent_dir(char *out_dir, |
| 464 | const char *in_dir, size_t size) |
| 465 | { |
| 466 | if (out_dir != in_dir) |
| 467 | strlcpy(out_dir, in_dir, size); |
| 468 | path_parent_dir(out_dir); |
| 469 | } |
| 470 | |
| 471 | /** |
| 472 | * fill_dated_filename: |
| 473 | * @out_filename : output filename |
| 474 | * @ext : extension of output filename |
| 475 | * @size : buffer size of output filename |
| 476 | * |
| 477 | * Creates a 'dated' filename prefixed by 'RetroArch', and |
| 478 | * concatenates extension (@ext) to it. |
| 479 | * |
| 480 | * E.g.: |
| 481 | * out_filename = "RetroArch-{month}{day}-{Hours}{Minutes}.{@ext}" |
| 482 | **/ |
| 483 | size_t fill_dated_filename(char *out_filename, |
| 484 | const char *ext, size_t size) |
| 485 | { |
| 486 | time_t cur_time = time(NULL); |
| 487 | struct tm tm_; |
| 488 | |
| 489 | rtime_localtime(&cur_time, &tm_); |
| 490 | |
| 491 | strftime(out_filename, size, |
| 492 | "RetroArch-%m%d-%H%M%S", &tm_); |
| 493 | return strlcat(out_filename, ext, size); |
| 494 | } |
| 495 | |
| 496 | /** |
| 497 | * fill_str_dated_filename: |
| 498 | * @out_filename : output filename |
| 499 | * @in_str : input string |
| 500 | * @ext : extension of output filename |
| 501 | * @size : buffer size of output filename |
| 502 | * |
| 503 | * Creates a 'dated' filename prefixed by the string @in_str, and |
| 504 | * concatenates extension (@ext) to it. |
| 505 | * |
| 506 | * E.g.: |
| 507 | * out_filename = "RetroArch-{year}{month}{day}-{Hour}{Minute}{Second}.{@ext}" |
| 508 | **/ |
| 509 | void fill_str_dated_filename(char *out_filename, |
| 510 | const char *in_str, const char *ext, size_t size) |
| 511 | { |
| 512 | char format[256]; |
| 513 | struct tm tm_; |
| 514 | time_t cur_time = time(NULL); |
| 515 | |
| 516 | format[0] = '\0'; |
| 517 | |
| 518 | rtime_localtime(&cur_time, &tm_); |
| 519 | |
| 520 | if (string_is_empty(ext)) |
| 521 | { |
| 522 | strftime(format, sizeof(format), "-%y%m%d-%H%M%S", &tm_); |
| 523 | fill_pathname_noext(out_filename, in_str, format, size); |
| 524 | } |
| 525 | else |
| 526 | { |
| 527 | strftime(format, sizeof(format), "-%y%m%d-%H%M%S.", &tm_); |
| 528 | |
| 529 | fill_pathname_join_concat_noext(out_filename, |
| 530 | in_str, format, ext, |
| 531 | size); |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * path_basedir: |
| 537 | * @path : path |
| 538 | * |
| 539 | * Extracts base directory by mutating path. |
| 540 | * Keeps trailing '/'. |
| 541 | **/ |
| 542 | void path_basedir(char *path) |
| 543 | { |
| 544 | char *last = NULL; |
| 545 | |
| 546 | if (strlen(path) < 2) |
| 547 | return; |
| 548 | |
| 549 | last = find_last_slash(path); |
| 550 | |
| 551 | if (last) |
| 552 | last[1] = '\0'; |
| 553 | else |
| 554 | snprintf(path, 3, "." PATH_DEFAULT_SLASH()); |
| 555 | } |
| 556 | |
| 557 | /** |
| 558 | * path_parent_dir: |
| 559 | * @path : path |
| 560 | * |
| 561 | * Extracts parent directory by mutating path. |
| 562 | * Assumes that path is a directory. Keeps trailing '/'. |
| 563 | * If the path was already at the root directory, returns empty string |
| 564 | **/ |
| 565 | void path_parent_dir(char *path) |
| 566 | { |
| 567 | size_t len = 0; |
| 568 | |
| 569 | if (!path) |
| 570 | return; |
| 571 | |
| 572 | len = strlen(path); |
| 573 | |
| 574 | if (len && PATH_CHAR_IS_SLASH(path[len - 1])) |
| 575 | { |
| 576 | bool path_was_absolute = path_is_absolute(path); |
| 577 | |
| 578 | path[len - 1] = '\0'; |
| 579 | |
| 580 | if (path_was_absolute && !find_last_slash(path)) |
| 581 | { |
| 582 | /* We removed the only slash from what used to be an absolute path. |
| 583 | * On Linux, this goes from "/" to an empty string and everything works fine, |
| 584 | * but on Windows, we went from C:\ to C:, which is not a valid path and that later |
| 585 | * gets errornously treated as a relative one by path_basedir and returns "./". |
| 586 | * What we really wanted is an empty string. */ |
| 587 | path[0] = '\0'; |
| 588 | return; |
| 589 | } |
| 590 | } |
| 591 | path_basedir(path); |
| 592 | } |
| 593 | |
| 594 | /** |
| 595 | * path_basename: |
| 596 | * @path : path |
| 597 | * |
| 598 | * Get basename from @path. |
| 599 | * |
| 600 | * Returns: basename from path. |
| 601 | **/ |
| 602 | const char *path_basename(const char *path) |
| 603 | { |
| 604 | /* We cut at the first compression-related hash */ |
| 605 | const char *delim = path_get_archive_delim(path); |
| 606 | if (delim) |
| 607 | return delim + 1; |
| 608 | |
| 609 | { |
| 610 | /* We cut at the last slash */ |
| 611 | const char *last = find_last_slash(path); |
| 612 | if (last) |
| 613 | return last + 1; |
| 614 | } |
| 615 | |
| 616 | return path; |
| 617 | } |
| 618 | |
| 619 | /** |
| 620 | * path_is_absolute: |
| 621 | * @path : path |
| 622 | * |
| 623 | * Checks if @path is an absolute path or a relative path. |
| 624 | * |
| 625 | * Returns: true if path is absolute, false if path is relative. |
| 626 | **/ |
| 627 | bool path_is_absolute(const char *path) |
| 628 | { |
| 629 | if (string_is_empty(path)) |
| 630 | return false; |
| 631 | |
| 632 | if (path[0] == '/') |
| 633 | return true; |
| 634 | |
| 635 | #if defined(_WIN32) |
| 636 | /* Many roads lead to Rome... |
| 637 | * Note: Drive letter can only be 1 character long */ |
| 638 | if (string_starts_with_size(path, "\\\\", STRLEN_CONST("\\\\")) || |
| 639 | string_starts_with_size(path + 1, ":/", STRLEN_CONST(":/")) || |
| 640 | string_starts_with_size(path + 1, ":\\", STRLEN_CONST(":\\"))) |
| 641 | return true; |
| 642 | #elif defined(__wiiu__) || defined(VITA) |
| 643 | { |
| 644 | const char *seperator = strchr(path, ':'); |
| 645 | if (seperator && (seperator[1] == '/')) |
| 646 | return true; |
| 647 | } |
| 648 | #endif |
| 649 | |
| 650 | return false; |
| 651 | } |
| 652 | |
| 653 | /** |
| 654 | * path_resolve_realpath: |
| 655 | * @buf : input and output buffer for path |
| 656 | * @size : size of buffer |
| 657 | * @resolve_symlinks : whether to resolve symlinks or not |
| 658 | * |
| 659 | * Resolves use of ".", "..", multiple slashes etc in absolute paths. |
| 660 | * |
| 661 | * Relative paths are rebased on the current working dir. |
| 662 | * |
| 663 | * Returns: @buf if successful, NULL otherwise. |
| 664 | * Note: Not implemented on consoles |
| 665 | * Note: Symlinks are only resolved on Unix-likes |
| 666 | * Note: The current working dir might not be what you expect, |
| 667 | * e.g. on Android it is "/" |
| 668 | * Use of fill_pathname_resolve_relative() should be prefered |
| 669 | **/ |
| 670 | char *path_resolve_realpath(char *buf, size_t size, bool resolve_symlinks) |
| 671 | { |
| 672 | #if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL) |
| 673 | char tmp[PATH_MAX_LENGTH]; |
| 674 | #ifdef _WIN32 |
| 675 | strlcpy(tmp, buf, sizeof(tmp)); |
| 676 | if (!_fullpath(buf, tmp, size)) |
| 677 | { |
| 678 | strlcpy(buf, tmp, size); |
| 679 | return NULL; |
| 680 | } |
| 681 | return buf; |
| 682 | #else |
| 683 | size_t t; |
| 684 | char *p; |
| 685 | const char *next; |
| 686 | const char *buf_end; |
| 687 | |
| 688 | if (resolve_symlinks) |
| 689 | { |
| 690 | strlcpy(tmp, buf, sizeof(tmp)); |
| 691 | |
| 692 | /* NOTE: realpath() expects at least PATH_MAX_LENGTH bytes in buf. |
| 693 | * Technically, PATH_MAX_LENGTH needn't be defined, but we rely on it anyways. |
| 694 | * POSIX 2008 can automatically allocate for you, |
| 695 | * but don't rely on that. */ |
| 696 | if (!realpath(tmp, buf)) |
| 697 | { |
| 698 | strlcpy(buf, tmp, size); |
| 699 | return NULL; |
| 700 | } |
| 701 | |
| 702 | return buf; |
| 703 | } |
| 704 | |
| 705 | t = 0; /* length of output */ |
| 706 | buf_end = buf + strlen(buf); |
| 707 | |
| 708 | if (!path_is_absolute(buf)) |
| 709 | { |
| 710 | size_t len; |
| 711 | /* rebase on working directory */ |
| 712 | if (!getcwd(tmp, PATH_MAX_LENGTH-1)) |
| 713 | return NULL; |
| 714 | |
| 715 | len = strlen(tmp); |
| 716 | t += len; |
| 717 | |
| 718 | if (tmp[len-1] != '/') |
| 719 | tmp[t++] = '/'; |
| 720 | |
| 721 | if (string_is_empty(buf)) |
| 722 | goto end; |
| 723 | |
| 724 | p = buf; |
| 725 | } |
| 726 | else |
| 727 | { |
| 728 | /* UNIX paths can start with multiple '/', copy those */ |
| 729 | for (p = buf; *p == '/'; p++) |
| 730 | tmp[t++] = '/'; |
| 731 | } |
| 732 | |
| 733 | /* p points to just after a slash while 'next' points to the next slash |
| 734 | * if there are no slashes, they point relative to where one would be */ |
| 735 | do |
| 736 | { |
| 737 | next = strchr(p, '/'); |
| 738 | if (!next) |
| 739 | next = buf_end; |
| 740 | |
| 741 | if ((next - p == 2 && p[0] == '.' && p[1] == '.')) |
| 742 | { |
| 743 | p += 3; |
| 744 | |
| 745 | /* fail for illegal /.., //.. etc */ |
| 746 | if (t == 1 || tmp[t-2] == '/') |
| 747 | return NULL; |
| 748 | |
| 749 | /* delete previous segment in tmp by adjusting size t |
| 750 | * tmp[t-1] == '/', find '/' before that */ |
| 751 | t = t-2; |
| 752 | while (tmp[t] != '/') |
| 753 | t--; |
| 754 | t++; |
| 755 | } |
| 756 | else if (next - p == 1 && p[0] == '.') |
| 757 | p += 2; |
| 758 | else if (next - p == 0) |
| 759 | p += 1; |
| 760 | else |
| 761 | { |
| 762 | /* fail when truncating */ |
| 763 | if (t + next-p+1 > PATH_MAX_LENGTH-1) |
| 764 | return NULL; |
| 765 | |
| 766 | while (p <= next) |
| 767 | tmp[t++] = *p++; |
| 768 | } |
| 769 | |
| 770 | } |
| 771 | while (next < buf_end); |
| 772 | |
| 773 | end: |
| 774 | tmp[t] = '\0'; |
| 775 | strlcpy(buf, tmp, size); |
| 776 | return buf; |
| 777 | #endif |
| 778 | #endif |
| 779 | return NULL; |
| 780 | } |
| 781 | |
| 782 | /** |
| 783 | * path_relative_to: |
| 784 | * @out : buffer to write the relative path to |
| 785 | * @path : path to be expressed relatively |
| 786 | * @base : base directory to start out on |
| 787 | * @size : size of output buffer |
| 788 | * |
| 789 | * Turns @path into a path relative to @base and writes it to @out. |
| 790 | * |
| 791 | * @base is assumed to be a base directory, i.e. a path ending with '/' or '\'. |
| 792 | * Both @path and @base are assumed to be absolute paths without "." or "..". |
| 793 | * |
| 794 | * E.g. path /a/b/e/f.cg with base /a/b/c/d/ turns into ../../e/f.cg |
| 795 | **/ |
| 796 | size_t path_relative_to(char *out, |
| 797 | const char *path, const char *base, size_t size) |
| 798 | { |
| 799 | size_t i, j; |
| 800 | const char *trimmed_path, *trimmed_base; |
| 801 | |
| 802 | #ifdef _WIN32 |
| 803 | /* For different drives, return absolute path */ |
| 804 | if (strlen(path) >= 2 && strlen(base) >= 2 |
| 805 | && path[1] == ':' && base[1] == ':' |
| 806 | && path[0] != base[0]) |
| 807 | return strlcpy(out, path, size); |
| 808 | #endif |
| 809 | |
| 810 | /* Trim common beginning */ |
| 811 | for (i = 0, j = 0; path[i] && base[i] && path[i] == base[i]; i++) |
| 812 | if (path[i] == PATH_DEFAULT_SLASH_C()) |
| 813 | j = i + 1; |
| 814 | |
| 815 | trimmed_path = path+j; |
| 816 | trimmed_base = base+i; |
| 817 | |
| 818 | /* Each segment of base turns into ".." */ |
| 819 | out[0] = '\0'; |
| 820 | for (i = 0; trimmed_base[i]; i++) |
| 821 | if (trimmed_base[i] == PATH_DEFAULT_SLASH_C()) |
| 822 | strlcat(out, ".." PATH_DEFAULT_SLASH(), size); |
| 823 | |
| 824 | return strlcat(out, trimmed_path, size); |
| 825 | } |
| 826 | |
| 827 | /** |
| 828 | * fill_pathname_resolve_relative: |
| 829 | * @out_path : output path |
| 830 | * @in_refpath : input reference path |
| 831 | * @in_path : input path |
| 832 | * @size : size of @out_path |
| 833 | * |
| 834 | * Joins basedir of @in_refpath together with @in_path. |
| 835 | * If @in_path is an absolute path, out_path = in_path. |
| 836 | * E.g.: in_refpath = "/foo/bar/baz.a", in_path = "foobar.cg", |
| 837 | * out_path = "/foo/bar/foobar.cg". |
| 838 | **/ |
| 839 | void fill_pathname_resolve_relative(char *out_path, |
| 840 | const char *in_refpath, const char *in_path, size_t size) |
| 841 | { |
| 842 | if (path_is_absolute(in_path)) |
| 843 | { |
| 844 | strlcpy(out_path, in_path, size); |
| 845 | return; |
| 846 | } |
| 847 | |
| 848 | fill_pathname_basedir(out_path, in_refpath, size); |
| 849 | strlcat(out_path, in_path, size); |
| 850 | path_resolve_realpath(out_path, size, false); |
| 851 | } |
| 852 | |
| 853 | /** |
| 854 | * fill_pathname_join: |
| 855 | * @out_path : output path |
| 856 | * @dir : directory |
| 857 | * @path : path |
| 858 | * @size : size of output path |
| 859 | * |
| 860 | * Joins a directory (@dir) and path (@path) together. |
| 861 | * Makes sure not to get two consecutive slashes |
| 862 | * between directory and path. |
| 863 | **/ |
| 864 | size_t fill_pathname_join(char *out_path, |
| 865 | const char *dir, const char *path, size_t size) |
| 866 | { |
| 867 | if (out_path != dir) |
| 868 | strlcpy(out_path, dir, size); |
| 869 | |
| 870 | if (*out_path) |
| 871 | fill_pathname_slash(out_path, size); |
| 872 | |
| 873 | return strlcat(out_path, path, size); |
| 874 | } |
| 875 | |
| 876 | size_t fill_pathname_join_special_ext(char *out_path, |
| 877 | const char *dir, const char *path, |
| 878 | const char *last, const char *ext, |
| 879 | size_t size) |
| 880 | { |
| 881 | fill_pathname_join(out_path, dir, path, size); |
| 882 | if (*out_path) |
| 883 | fill_pathname_slash(out_path, size); |
| 884 | |
| 885 | strlcat(out_path, last, size); |
| 886 | return strlcat(out_path, ext, size); |
| 887 | } |
| 888 | |
| 889 | size_t fill_pathname_join_concat_noext(char *out_path, |
| 890 | const char *dir, const char *path, |
| 891 | const char *concat, |
| 892 | size_t size) |
| 893 | { |
| 894 | fill_pathname_noext(out_path, dir, path, size); |
| 895 | return strlcat(out_path, concat, size); |
| 896 | } |
| 897 | |
| 898 | size_t fill_pathname_join_concat(char *out_path, |
| 899 | const char *dir, const char *path, |
| 900 | const char *concat, |
| 901 | size_t size) |
| 902 | { |
| 903 | fill_pathname_join(out_path, dir, path, size); |
| 904 | return strlcat(out_path, concat, size); |
| 905 | } |
| 906 | |
| 907 | void fill_pathname_join_noext(char *out_path, |
| 908 | const char *dir, const char *path, size_t size) |
| 909 | { |
| 910 | fill_pathname_join(out_path, dir, path, size); |
| 911 | path_remove_extension(out_path); |
| 912 | } |
| 913 | |
| 914 | /** |
| 915 | * fill_pathname_join_delim: |
| 916 | * @out_path : output path |
| 917 | * @dir : directory |
| 918 | * @path : path |
| 919 | * @delim : delimiter |
| 920 | * @size : size of output path |
| 921 | * |
| 922 | * Joins a directory (@dir) and path (@path) together |
| 923 | * using the given delimiter (@delim). |
| 924 | **/ |
| 925 | size_t fill_pathname_join_delim(char *out_path, const char *dir, |
| 926 | const char *path, const char delim, size_t size) |
| 927 | { |
| 928 | size_t copied; |
| 929 | /* behavior of strlcpy is undefined if dst and src overlap */ |
| 930 | if (out_path == dir) |
| 931 | copied = strlen(dir); |
| 932 | else |
| 933 | copied = strlcpy(out_path, dir, size); |
| 934 | |
| 935 | out_path[copied] = delim; |
| 936 | out_path[copied+1] = '\0'; |
| 937 | |
| 938 | if (path) |
| 939 | copied = strlcat(out_path, path, size); |
| 940 | return copied; |
| 941 | } |
| 942 | |
| 943 | size_t fill_pathname_join_delim_concat(char *out_path, const char *dir, |
| 944 | const char *path, const char delim, const char *concat, |
| 945 | size_t size) |
| 946 | { |
| 947 | fill_pathname_join_delim(out_path, dir, path, delim, size); |
| 948 | return strlcat(out_path, concat, size); |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * fill_short_pathname_representation: |
| 953 | * @out_rep : output representation |
| 954 | * @in_path : input path |
| 955 | * @size : size of output representation |
| 956 | * |
| 957 | * Generates a short representation of path. It should only |
| 958 | * be used for displaying the result; the output representation is not |
| 959 | * binding in any meaningful way (for a normal path, this is the same as basename) |
| 960 | * In case of more complex URLs, this should cut everything except for |
| 961 | * the main image file. |
| 962 | * |
| 963 | * E.g.: "/path/to/game.img" -> game.img |
| 964 | * "/path/to/myarchive.7z#folder/to/game.img" -> game.img |
| 965 | */ |
| 966 | size_t fill_short_pathname_representation(char* out_rep, |
| 967 | const char *in_path, size_t size) |
| 968 | { |
| 969 | char path_short[PATH_MAX_LENGTH]; |
| 970 | |
| 971 | path_short[0] = '\0'; |
| 972 | |
| 973 | fill_pathname(path_short, path_basename(in_path), "", |
| 974 | sizeof(path_short)); |
| 975 | |
| 976 | return strlcpy(out_rep, path_short, size); |
| 977 | } |
| 978 | |
| 979 | void fill_short_pathname_representation_noext(char* out_rep, |
| 980 | const char *in_path, size_t size) |
| 981 | { |
| 982 | fill_short_pathname_representation(out_rep, in_path, size); |
| 983 | path_remove_extension(out_rep); |
| 984 | } |
| 985 | |
| 986 | void fill_pathname_expand_special(char *out_path, |
| 987 | const char *in_path, size_t size) |
| 988 | { |
| 989 | #if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL) |
| 990 | if (in_path[0] == '~') |
| 991 | { |
| 992 | char *home_dir = (char*)malloc(PATH_MAX_LENGTH * sizeof(char)); |
| 993 | |
| 994 | home_dir[0] = '\0'; |
| 995 | |
| 996 | fill_pathname_home_dir(home_dir, |
| 997 | PATH_MAX_LENGTH * sizeof(char)); |
| 998 | |
| 999 | if (*home_dir) |
| 1000 | { |
| 1001 | size_t src_size = strlcpy(out_path, home_dir, size); |
| 1002 | retro_assert(src_size < size); |
| 1003 | |
| 1004 | out_path += src_size; |
| 1005 | size -= src_size; |
| 1006 | |
| 1007 | if (!PATH_CHAR_IS_SLASH(out_path[-1])) |
| 1008 | { |
| 1009 | src_size = strlcpy(out_path, PATH_DEFAULT_SLASH(), size); |
| 1010 | retro_assert(src_size < size); |
| 1011 | |
| 1012 | out_path += src_size; |
| 1013 | size -= src_size; |
| 1014 | } |
| 1015 | |
| 1016 | in_path += 2; |
| 1017 | } |
| 1018 | |
| 1019 | free(home_dir); |
| 1020 | } |
| 1021 | else if (in_path[0] == ':') |
| 1022 | { |
| 1023 | char *application_dir = (char*)malloc(PATH_MAX_LENGTH * sizeof(char)); |
| 1024 | |
| 1025 | application_dir[0] = '\0'; |
| 1026 | |
| 1027 | fill_pathname_application_dir(application_dir, |
| 1028 | PATH_MAX_LENGTH * sizeof(char)); |
| 1029 | |
| 1030 | if (*application_dir) |
| 1031 | { |
| 1032 | size_t src_size = strlcpy(out_path, application_dir, size); |
| 1033 | retro_assert(src_size < size); |
| 1034 | |
| 1035 | out_path += src_size; |
| 1036 | size -= src_size; |
| 1037 | |
| 1038 | if (!PATH_CHAR_IS_SLASH(out_path[-1])) |
| 1039 | { |
| 1040 | src_size = strlcpy(out_path, PATH_DEFAULT_SLASH(), size); |
| 1041 | retro_assert(src_size < size); |
| 1042 | |
| 1043 | out_path += src_size; |
| 1044 | size -= src_size; |
| 1045 | } |
| 1046 | |
| 1047 | in_path += 2; |
| 1048 | } |
| 1049 | |
| 1050 | free(application_dir); |
| 1051 | } |
| 1052 | #endif |
| 1053 | |
| 1054 | retro_assert(strlcpy(out_path, in_path, size) < size); |
| 1055 | } |
| 1056 | |
| 1057 | void fill_pathname_abbreviate_special(char *out_path, |
| 1058 | const char *in_path, size_t size) |
| 1059 | { |
| 1060 | #if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL) |
| 1061 | unsigned i; |
| 1062 | const char *candidates[3]; |
| 1063 | const char *notations[3]; |
| 1064 | char application_dir[PATH_MAX_LENGTH]; |
| 1065 | char home_dir[PATH_MAX_LENGTH]; |
| 1066 | |
| 1067 | application_dir[0] = '\0'; |
| 1068 | home_dir[0] = '\0'; |
| 1069 | |
| 1070 | /* application_dir could be zero-string. Safeguard against this. |
| 1071 | * |
| 1072 | * Keep application dir in front of home, moving app dir to a |
| 1073 | * new location inside home would break otherwise. */ |
| 1074 | |
| 1075 | /* ugly hack - use application_dir pointer |
| 1076 | * before filling it in. C89 reasons */ |
| 1077 | candidates[0] = application_dir; |
| 1078 | candidates[1] = home_dir; |
| 1079 | candidates[2] = NULL; |
| 1080 | |
| 1081 | notations [0] = ":"; |
| 1082 | notations [1] = "~"; |
| 1083 | notations [2] = NULL; |
| 1084 | |
| 1085 | fill_pathname_application_dir(application_dir, sizeof(application_dir)); |
| 1086 | fill_pathname_home_dir(home_dir, sizeof(home_dir)); |
| 1087 | |
| 1088 | for (i = 0; candidates[i]; i++) |
| 1089 | { |
| 1090 | if (!string_is_empty(candidates[i]) && |
| 1091 | string_starts_with(in_path, candidates[i])) |
| 1092 | { |
| 1093 | size_t src_size = strlcpy(out_path, notations[i], size); |
| 1094 | |
| 1095 | retro_assert(src_size < size); |
| 1096 | |
| 1097 | out_path += src_size; |
| 1098 | size -= src_size; |
| 1099 | in_path += strlen(candidates[i]); |
| 1100 | |
| 1101 | if (!PATH_CHAR_IS_SLASH(*in_path)) |
| 1102 | { |
| 1103 | strcpy_literal(out_path, PATH_DEFAULT_SLASH()); |
| 1104 | out_path++; |
| 1105 | size--; |
| 1106 | } |
| 1107 | |
| 1108 | break; /* Don't allow more abbrevs to take place. */ |
| 1109 | } |
| 1110 | } |
| 1111 | |
| 1112 | #endif |
| 1113 | |
| 1114 | retro_assert(strlcpy(out_path, in_path, size) < size); |
| 1115 | } |
| 1116 | |
| 1117 | /** |
| 1118 | * path_basedir: |
| 1119 | * @path : path |
| 1120 | * |
| 1121 | * Extracts base directory by mutating path. |
| 1122 | * Keeps trailing '/'. |
| 1123 | **/ |
| 1124 | void path_basedir_wrapper(char *path) |
| 1125 | { |
| 1126 | char *last = NULL; |
| 1127 | if (strlen(path) < 2) |
| 1128 | return; |
| 1129 | |
| 1130 | #ifdef HAVE_COMPRESSION |
| 1131 | /* We want to find the directory with the archive in basedir. */ |
| 1132 | last = (char*)path_get_archive_delim(path); |
| 1133 | if (last) |
| 1134 | *last = '\0'; |
| 1135 | #endif |
| 1136 | |
| 1137 | last = find_last_slash(path); |
| 1138 | |
| 1139 | if (last) |
| 1140 | last[1] = '\0'; |
| 1141 | else |
| 1142 | snprintf(path, 3, "." PATH_DEFAULT_SLASH()); |
| 1143 | } |
| 1144 | |
| 1145 | #if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL) |
| 1146 | void fill_pathname_application_path(char *s, size_t len) |
| 1147 | { |
| 1148 | size_t i; |
| 1149 | #ifdef __APPLE__ |
| 1150 | CFBundleRef bundle = CFBundleGetMainBundle(); |
| 1151 | #endif |
| 1152 | #ifdef _WIN32 |
| 1153 | DWORD ret = 0; |
| 1154 | wchar_t wstr[PATH_MAX_LENGTH] = {0}; |
| 1155 | #endif |
| 1156 | #ifdef __HAIKU__ |
| 1157 | image_info info; |
| 1158 | int32_t cookie = 0; |
| 1159 | #endif |
| 1160 | (void)i; |
| 1161 | |
| 1162 | if (!len) |
| 1163 | return; |
| 1164 | |
| 1165 | #if defined(_WIN32) |
| 1166 | #ifdef LEGACY_WIN32 |
| 1167 | ret = GetModuleFileNameA(NULL, s, len); |
| 1168 | #else |
| 1169 | ret = GetModuleFileNameW(NULL, wstr, ARRAY_SIZE(wstr)); |
| 1170 | |
| 1171 | if (*wstr) |
| 1172 | { |
| 1173 | char *str = utf16_to_utf8_string_alloc(wstr); |
| 1174 | |
| 1175 | if (str) |
| 1176 | { |
| 1177 | strlcpy(s, str, len); |
| 1178 | free(str); |
| 1179 | } |
| 1180 | } |
| 1181 | #endif |
| 1182 | s[ret] = '\0'; |
| 1183 | #elif defined(__APPLE__) |
| 1184 | if (bundle) |
| 1185 | { |
| 1186 | CFURLRef bundle_url = CFBundleCopyBundleURL(bundle); |
| 1187 | CFStringRef bundle_path = CFURLCopyPath(bundle_url); |
| 1188 | CFStringGetCString(bundle_path, s, len, kCFStringEncodingUTF8); |
| 1189 | #ifdef HAVE_COCOATOUCH |
| 1190 | { |
| 1191 | /* This needs to be done so that the path becomes |
| 1192 | * /private/var/... and this |
| 1193 | * is used consistently throughout for the iOS bundle path */ |
| 1194 | char resolved_bundle_dir_buf[PATH_MAX_LENGTH] = {0}; |
| 1195 | if (realpath(s, resolved_bundle_dir_buf)) |
| 1196 | { |
| 1197 | strlcpy(s, resolved_bundle_dir_buf, len - 1); |
| 1198 | strlcat(s, "/", len); |
| 1199 | } |
| 1200 | } |
| 1201 | #endif |
| 1202 | |
| 1203 | CFRelease(bundle_path); |
| 1204 | CFRelease(bundle_url); |
| 1205 | #ifndef HAVE_COCOATOUCH |
| 1206 | /* Not sure what this does but it breaks |
| 1207 | * stuff for iOS, so skipping */ |
| 1208 | retro_assert(strlcat(s, "nobin", len) < len); |
| 1209 | #endif |
| 1210 | return; |
| 1211 | } |
| 1212 | #elif defined(__HAIKU__) |
| 1213 | while (get_next_image_info(0, &cookie, &info) == B_OK) |
| 1214 | { |
| 1215 | if (info.type == B_APP_IMAGE) |
| 1216 | { |
| 1217 | strlcpy(s, info.name, len); |
| 1218 | return; |
| 1219 | } |
| 1220 | } |
| 1221 | #elif defined(__QNX__) |
| 1222 | char *buff = malloc(len); |
| 1223 | |
| 1224 | if (_cmdname(buff)) |
| 1225 | strlcpy(s, buff, len); |
| 1226 | |
| 1227 | free(buff); |
| 1228 | #else |
| 1229 | { |
| 1230 | pid_t pid; |
| 1231 | static const char *exts[] = { "exe", "file", "path/a.out" }; |
| 1232 | char link_path[255]; |
| 1233 | |
| 1234 | link_path[0] = *s = '\0'; |
| 1235 | pid = getpid(); |
| 1236 | |
| 1237 | /* Linux, BSD and Solaris paths. Not standardized. */ |
| 1238 | for (i = 0; i < ARRAY_SIZE(exts); i++) |
| 1239 | { |
| 1240 | ssize_t ret; |
| 1241 | |
| 1242 | snprintf(link_path, sizeof(link_path), "/proc/%u/%s", |
| 1243 | (unsigned)pid, exts[i]); |
| 1244 | ret = readlink(link_path, s, len - 1); |
| 1245 | |
| 1246 | if (ret >= 0) |
| 1247 | { |
| 1248 | s[ret] = '\0'; |
| 1249 | return; |
| 1250 | } |
| 1251 | } |
| 1252 | } |
| 1253 | #endif |
| 1254 | } |
| 1255 | |
| 1256 | void fill_pathname_application_dir(char *s, size_t len) |
| 1257 | { |
| 1258 | #ifdef __WINRT__ |
| 1259 | strlcpy(s, uwp_dir_install, len); |
| 1260 | #else |
| 1261 | fill_pathname_application_path(s, len); |
| 1262 | path_basedir_wrapper(s); |
| 1263 | #endif |
| 1264 | } |
| 1265 | |
| 1266 | void fill_pathname_home_dir(char *s, size_t len) |
| 1267 | { |
| 1268 | #ifdef __WINRT__ |
| 1269 | const char *home = uwp_dir_data; |
| 1270 | #else |
| 1271 | const char *home = getenv("HOME"); |
| 1272 | #endif |
| 1273 | if (home) |
| 1274 | strlcpy(s, home, len); |
| 1275 | else |
| 1276 | *s = 0; |
| 1277 | } |
| 1278 | #endif |
| 1279 | |
| 1280 | bool is_path_accessible_using_standard_io(const char *path) |
| 1281 | { |
| 1282 | #ifdef __WINRT__ |
| 1283 | char relative_path_abbrev[PATH_MAX_LENGTH]; |
| 1284 | fill_pathname_abbreviate_special(relative_path_abbrev, |
| 1285 | path, sizeof(relative_path_abbrev)); |
| 1286 | return (strlen(relative_path_abbrev) >= 2 ) |
| 1287 | && ( relative_path_abbrev[0] == ':' |
| 1288 | || relative_path_abbrev[0] == '~') |
| 1289 | && PATH_CHAR_IS_SLASH(relative_path_abbrev[1]); |
| 1290 | #else |
| 1291 | return true; |
| 1292 | #endif |
| 1293 | } |