Files
@ r8423:7b695adaa2cf
Branch filter:
Location: cpp/openttd-patchpack/source/src/fileio.cpp
r8423:7b695adaa2cf
20.8 KiB
text/x-c
(svn r11993) -Fix: Resize station/roadstop/dock/airport construction windows if cargo acceptance list is too long.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 | /* $Id$ */
/** @file fileio.cpp Standard In/Out file operations */
#include "stdafx.h"
#include "openttd.h"
#include "fileio.h"
#include "variables.h"
#include "debug.h"
#include "fios.h"
#include "core/alloc_func.hpp"
#include "core/math_func.hpp"
#include "string_func.h"
#ifdef WIN32
#include <windows.h>
#else
#include <pwd.h>
#include <unistd.h>
#endif
#include <sys/stat.h>
/*************************************************/
/* FILE IO ROUTINES ******************************/
/*************************************************/
#define FIO_BUFFER_SIZE 512
struct Fio {
byte *buffer, *buffer_end; ///< position pointer in local buffer and last valid byte of buffer
uint32 pos; ///< current (system) position in file
FILE *cur_fh; ///< current file handle
const char *filename; ///< current filename
FILE *handles[MAX_FILE_SLOTS]; ///< array of file handles we can have open
byte buffer_start[FIO_BUFFER_SIZE]; ///< local buffer when read from file
const char *filenames[MAX_FILE_SLOTS]; ///< array of filenames we (should) have open
char *shortnames[MAX_FILE_SLOTS];///< array of short names for spriteloader's use
#if defined(LIMITED_FDS)
uint open_handles; ///< current amount of open handles
uint usage_count[MAX_FILE_SLOTS]; ///< count how many times this file has been opened
#endif /* LIMITED_FDS */
};
static Fio _fio;
/* Get current position in file */
uint32 FioGetPos()
{
return _fio.pos + (_fio.buffer - _fio.buffer_start) - FIO_BUFFER_SIZE;
}
const char *FioGetFilename(uint8 slot)
{
return _fio.shortnames[slot];
}
void FioSeekTo(uint32 pos, int mode)
{
if (mode == SEEK_CUR) pos += FioGetPos();
_fio.buffer = _fio.buffer_end = _fio.buffer_start + FIO_BUFFER_SIZE;
_fio.pos = pos;
fseek(_fio.cur_fh, _fio.pos, SEEK_SET);
}
#if defined(LIMITED_FDS)
static void FioRestoreFile(int slot)
{
/* Do we still have the file open, or should we reopen it? */
if (_fio.handles[slot] == NULL) {
DEBUG(misc, 6, "Restoring file '%s' in slot '%d' from disk", _fio.filenames[slot], slot);
FioOpenFile(slot, _fio.filenames[slot]);
}
_fio.usage_count[slot]++;
}
#endif /* LIMITED_FDS */
/* Seek to a file and a position */
void FioSeekToFile(uint8 slot, uint32 pos)
{
FILE *f;
#if defined(LIMITED_FDS)
/* Make sure we have this file open */
FioRestoreFile(slot);
#endif /* LIMITED_FDS */
f = _fio.handles[slot];
assert(f != NULL);
_fio.cur_fh = f;
_fio.filename = _fio.filenames[slot];
FioSeekTo(pos, SEEK_SET);
}
byte FioReadByte()
{
if (_fio.buffer == _fio.buffer_end) {
_fio.pos += FIO_BUFFER_SIZE;
fread(_fio.buffer = _fio.buffer_start, 1, FIO_BUFFER_SIZE, _fio.cur_fh);
}
return *_fio.buffer++;
}
void FioSkipBytes(int n)
{
for (;;) {
int m = min(_fio.buffer_end - _fio.buffer, n);
_fio.buffer += m;
n -= m;
if (n == 0) break;
FioReadByte();
n--;
}
}
uint16 FioReadWord()
{
byte b = FioReadByte();
return (FioReadByte() << 8) | b;
}
uint32 FioReadDword()
{
uint b = FioReadWord();
return (FioReadWord() << 16) | b;
}
void FioReadBlock(void *ptr, uint size)
{
FioSeekTo(FioGetPos(), SEEK_SET);
_fio.pos += size;
fread(ptr, 1, size, _fio.cur_fh);
}
static inline void FioCloseFile(int slot)
{
if (_fio.handles[slot] != NULL) {
fclose(_fio.handles[slot]);
free(_fio.shortnames[slot]);
_fio.shortnames[slot] = NULL;
_fio.handles[slot] = NULL;
#if defined(LIMITED_FDS)
_fio.open_handles--;
#endif /* LIMITED_FDS */
}
}
void FioCloseAll()
{
int i;
for (i = 0; i != lengthof(_fio.handles); i++)
FioCloseFile(i);
}
#if defined(LIMITED_FDS)
static void FioFreeHandle()
{
/* If we are about to open a file that will exceed the limit, close a file */
if (_fio.open_handles + 1 == LIMITED_FDS) {
uint i, count;
int slot;
count = UINT_MAX;
slot = -1;
/* Find the file that is used the least */
for (i = 0; i < lengthof(_fio.handles); i++) {
if (_fio.handles[i] != NULL && _fio.usage_count[i] < count) {
count = _fio.usage_count[i];
slot = i;
}
}
assert(slot != -1);
DEBUG(misc, 6, "Closing filehandler '%s' in slot '%d' because of fd-limit", _fio.filenames[slot], slot);
FioCloseFile(slot);
}
}
#endif /* LIMITED_FDS */
void FioOpenFile(int slot, const char *filename)
{
FILE *f;
#if defined(LIMITED_FDS)
FioFreeHandle();
#endif /* LIMITED_FDS */
f = FioFOpenFile(filename);
if (f == NULL) error("Cannot open file '%s'", filename);
uint32 pos = ftell(f);
FioCloseFile(slot); // if file was opened before, close it
_fio.handles[slot] = f;
_fio.filenames[slot] = filename;
/* Store the filename without path and extension */
const char *t = strrchr(filename, PATHSEPCHAR);
_fio.shortnames[slot] = strdup(t == NULL ? filename : t);
char *t2 = strrchr(_fio.shortnames[slot], '.');
if (t2 != NULL) *t2 = '\0';
strtolower(_fio.shortnames[slot]);
#if defined(LIMITED_FDS)
_fio.usage_count[slot] = 0;
_fio.open_handles++;
#endif /* LIMITED_FDS */
FioSeekToFile(slot, pos);
}
const char *_subdirs[NUM_SUBDIRS] = {
"",
"save" PATHSEP,
"save" PATHSEP "autosave" PATHSEP,
"scenario" PATHSEP,
"scenario" PATHSEP "heightmap" PATHSEP,
"gm" PATHSEP,
"data" PATHSEP,
"lang" PATHSEP
};
const char *_searchpaths[NUM_SEARCHPATHS];
TarList _tar_list;
TarFileList _tar_filelist;
/**
* Check whether the given file exists
* @param filename the file to try for existance
* @param subdir the subdirectory to look in
* @return true if and only if the file can be opened
*/
bool FioCheckFileExists(const char *filename, Subdirectory subdir)
{
FILE *f = FioFOpenFile(filename, "rb", subdir);
if (f == NULL) return false;
FioFCloseFile(f);
return true;
}
/**
* Close a file in a safe way.
*/
void FioFCloseFile(FILE *f)
{
fclose(f);
}
char *FioGetFullPath(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir, const char *filename)
{
assert(subdir < NUM_SUBDIRS);
assert(sp < NUM_SEARCHPATHS);
snprintf(buf, buflen, "%s%s%s", _searchpaths[sp], _subdirs[subdir], filename);
return buf;
}
char *FioFindFullPath(char *buf, size_t buflen, Subdirectory subdir, const char *filename)
{
Searchpath sp;
assert(subdir < NUM_SUBDIRS);
FOR_ALL_SEARCHPATHS(sp) {
FioGetFullPath(buf, buflen, sp, subdir, filename);
if (FileExists(buf)) break;
}
return buf;
}
char *FioAppendDirectory(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir)
{
assert(subdir < NUM_SUBDIRS);
assert(sp < NUM_SEARCHPATHS);
snprintf(buf, buflen, "%s%s", _searchpaths[sp], _subdirs[subdir]);
return buf;
}
char *FioGetDirectory(char *buf, size_t buflen, Subdirectory subdir)
{
Searchpath sp;
/* Find and return the first valid directory */
FOR_ALL_SEARCHPATHS(sp) {
char *ret = FioAppendDirectory(buf, buflen, sp, subdir);
if (FileExists(buf)) return ret;
}
/* Could not find the directory, fall back to a base path */
ttd_strlcpy(buf, _personal_dir, buflen);
return buf;
}
FILE *FioFOpenFileSp(const char *filename, const char *mode, Searchpath sp, Subdirectory subdir, size_t *filesize)
{
#if defined(WIN32) && defined(UNICODE)
/* fopen is implemented as a define with ellipses for
* Unicode support (prepend an L). As we are not sending
* a string, but a variable, it 'renames' the variable,
* so make that variable to makes it compile happily */
wchar_t Lmode[5];
MultiByteToWideChar(CP_ACP, 0, mode, -1, Lmode, lengthof(Lmode));
#endif
FILE *f = NULL;
char buf[MAX_PATH];
if (subdir == NO_DIRECTORY) {
ttd_strlcpy(buf, filename, lengthof(buf));
} else {
snprintf(buf, lengthof(buf), "%s%s%s", _searchpaths[sp], _subdirs[subdir], filename);
}
#if defined(WIN32)
if (mode[0] == 'r' && GetFileAttributes(OTTD2FS(buf)) == INVALID_FILE_ATTRIBUTES) return NULL;
#endif
f = fopen(buf, mode);
#if !defined(WIN32)
if (f == NULL) {
strtolower(buf + strlen(_searchpaths[sp]) - 1);
f = fopen(buf, mode);
}
#endif
if (f != NULL && filesize != NULL) {
/* Find the size of the file */
fseek(f, 0, SEEK_END);
*filesize = ftell(f);
fseek(f, 0, SEEK_SET);
}
return f;
}
FILE *FioFOpenFileTar(TarFileListEntry *entry, size_t *filesize)
{
FILE *f = fopen(entry->tar->filename, "rb");
assert(f != NULL);
fseek(f, entry->position, SEEK_SET);
if (filesize != NULL) *filesize = entry->size;
return f;
}
/** Opens OpenTTD files somewhere in a personal or global directory */
FILE *FioFOpenFile(const char *filename, const char *mode, Subdirectory subdir, size_t *filesize)
{
FILE *f = NULL;
Searchpath sp;
assert(subdir < NUM_SUBDIRS || subdir == NO_DIRECTORY);
FOR_ALL_SEARCHPATHS(sp) {
f = FioFOpenFileSp(filename, mode, sp, subdir, filesize);
if (f != NULL || subdir == NO_DIRECTORY) break;
}
/* We can only use .tar in case of data-dir, and read-mode */
if (f == NULL && subdir == DATA_DIR && mode[0] == 'r') {
/* Filenames in tars are always forced to be lowercase */
char *lcfilename = strdup(filename);
strtolower(lcfilename);
TarFileList::iterator it = _tar_filelist.find(lcfilename);
free(lcfilename);
if (it != _tar_filelist.end()) {
f = FioFOpenFileTar(&((*it).second), filesize);
}
}
/* Sometimes a full path is given. To support
* the 'subdirectory' must be 'removed'. */
if (f == NULL && subdir != NO_DIRECTORY) {
f = FioFOpenFile(filename, mode, NO_DIRECTORY, filesize);
}
return f;
}
/**
* Create a directory with the given name
* @param name the new name of the directory
*/
void FioCreateDirectory(const char *name)
{
#if defined(WIN32) || defined(WINCE)
CreateDirectory(OTTD2FS(name), NULL);
#elif defined(OS2) && !defined(__INNOTEK_LIBC__)
mkdir(OTTD2FS(name));
#elif defined(__MORPHOS__) || defined(__AMIGAOS__)
char buf[MAX_PATH];
ttd_strlcpy(buf, name, MAX_PATH);
size_t len = strlen(name) - 1;
if (buf[len] == '/') {
buf[len] = '\0'; // Kill pathsep, so mkdir() will not fail
}
mkdir(OTTD2FS(buf), 0755);
#else
mkdir(OTTD2FS(name), 0755);
#endif
}
/**
* Appends, if necessary, the path separator character to the end of the string.
* It does not add the path separator to zero-sized strings.
* @param buf string to append the separator to
* @param buflen the length of the buf
*/
void AppendPathSeparator(char *buf, size_t buflen)
{
size_t s = strlen(buf);
/* Length of string + path separator + '\0' */
if (s != 0 && buf[s - 1] != PATHSEPCHAR && s + 2 < buflen) {
buf[s] = PATHSEPCHAR;
buf[s + 1] = '\0';
}
}
/**
* Allocates and files a variable with the full path
* based on the given directory.
* @param dir the directory to base the path on
* @return the malloced full path
*/
char *BuildWithFullPath(const char *dir)
{
char *dest = MallocT<char>(MAX_PATH);
ttd_strlcpy(dest, dir, MAX_PATH);
/* Check if absolute or relative path */
const char *s = strchr(dest, PATHSEPCHAR);
/* Add absolute path */
if (s == NULL || dest != s) {
getcwd(dest, MAX_PATH);
AppendPathSeparator(dest, MAX_PATH);
ttd_strlcat(dest, dir, MAX_PATH);
}
AppendPathSeparator(dest, MAX_PATH);
return dest;
}
static bool TarListAddFile(const char *filename)
{
/* The TAR-header, repeated for every file */
typedef struct TarHeader {
char name[100]; ///< Name of the file
char mode[8];
char uid[8];
char gid[8];
char size[12]; ///< Size of the file, in ASCII
char mtime[12];
char chksum[8];
char typeflag;
char linkname[100];
char magic[6];
char version[2];
char uname[32];
char gname[32];
char devmajor[8];
char devminor[8];
char prefix[155]; ///< Path of the file
char unused[12];
} TarHeader;
/* Check if we already seen this file */
TarList::iterator it = _tar_list.find(filename);
if (it != _tar_list.end()) return false;
FILE *f = fopen(filename, "rb");
assert(f != NULL);
TarListEntry *tar_entry = MallocT<TarListEntry>(1);
tar_entry->filename = strdup(filename);
_tar_list.insert(TarList::value_type(filename, tar_entry));
TarHeader th;
char buf[sizeof(th.name) + 1], *end;
char name[sizeof(th.prefix) + 1 + sizeof(th.name) + 1];
int num = 0, pos = 0;
/* Make a char of 512 empty bytes */
char empty[512];
memset(&empty[0], 0, sizeof(empty));
while (!feof(f)) {
fread(&th, 1, 512, f);
pos += 512;
/* Check if we have the new tar-format (ustar) or the old one (a lot of zeros after 'link' field) */
if (strncmp(th.magic, "ustar", 5) != 0 && memcmp(&th.magic, &empty[0], 512 - offsetof(TarHeader, magic)) != 0) {
/* If we have only zeros in the block, it can be an end-of-file indicator */
if (memcmp(&th, &empty[0], 512) == 0) continue;
DEBUG(misc, 0, "The file '%s' isn't a valid tar-file", filename);
return false;
}
name[0] = '\0';
int len = 0;
/* The prefix contains the directory-name */
if (th.prefix[0] != '\0') {
memcpy(name, th.prefix, sizeof(th.prefix));
name[sizeof(th.prefix)] = '\0';
len = strlen(name);
name[len] = PATHSEPCHAR;
len++;
}
/* Copy the name of the file in a safe way at the end of 'name' */
memcpy(&name[len], th.name, sizeof(th.name));
name[len + sizeof(th.name)] = '\0';
/* Calculate the size of the file.. for some strange reason this is stored as a string */
memcpy(buf, th.size, sizeof(th.size));
buf[sizeof(th.size)] = '\0';
int skip = strtol(buf, &end, 8);
/* 0 byte sized files can be skipped (dirs, symlinks, ..) */
if (skip == 0) continue;
/* Store this entry in the list */
TarFileListEntry entry;
entry.tar = tar_entry;
entry.size = skip;
entry.position = pos;
/* Force lowercase */
strtolower(name);
/* Tar-files always have '/' path-seperator, but we want our PATHSEPCHAR */
#if (PATHSEPCHAR != '/')
for (char *n = name; *n != '\0'; n++) if (*n == '/') *n = PATHSEPCHAR;
#endif
DEBUG(misc, 6, "Found file in tar: %s (%d bytes, %d offset)", name, skip, pos);
if (_tar_filelist.insert(TarFileList::value_type(name, entry)).second) num++;
/* Skip to the next block.. */
skip = Align(skip, 512);
fseek(f, skip, SEEK_CUR);
pos += skip;
}
DEBUG(misc, 1, "Found tar '%s' with %d new files", filename, num);
fclose(f);
return true;
}
static int ScanPathForTarFiles(const char *path, int basepath_length)
{
extern bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb);
uint num = 0;
struct stat sb;
struct dirent *dirent;
DIR *dir;
if (path == NULL || (dir = ttd_opendir(path)) == NULL) return 0;
while ((dirent = readdir(dir)) != NULL) {
const char *d_name = FS2OTTD(dirent->d_name);
char filename[MAX_PATH];
if (!FiosIsValidFile(path, dirent, &sb)) continue;
snprintf(filename, lengthof(filename), "%s%s", path, d_name);
if (sb.st_mode & S_IFDIR) {
/* Directory */
if (strcmp(d_name, ".") == 0 || strcmp(d_name, "..") == 0) continue;
AppendPathSeparator(filename, lengthof(filename));
num += ScanPathForTarFiles(filename, basepath_length);
} else if (sb.st_mode & S_IFREG) {
/* File */
char *ext = strrchr(filename, '.');
/* If no extension or extension isn't .tar, skip the file */
if (ext == NULL) continue;
if (strcasecmp(ext, ".tar") != 0) continue;
if (TarListAddFile(filename)) num++;
}
}
closedir(dir);
return num;
}
void ScanForTarFiles()
{
Searchpath sp;
char path[MAX_PATH];
uint num = 0;
DEBUG(misc, 1, "Scanning for tars");
FOR_ALL_SEARCHPATHS(sp) {
FioAppendDirectory(path, MAX_PATH, sp, DATA_DIR);
num += ScanPathForTarFiles(path, strlen(path));
}
DEBUG(misc, 1, "Scan complete, found %d files", num);
}
#if defined(WIN32) || defined(WINCE)
/**
* Determine the base (personal dir and game data dir) paths
* @param exe the path from the current path to the executable
* @note defined in the OS related files (os2.cpp, win32.cpp, unix.cpp etc)
*/
extern void DetermineBasePaths(const char *exe);
#else /* defined(WIN32) || defined(WINCE) */
/**
* Changes the working directory to the path of the give executable.
* For OSX application bundles '.app' is the required extension of the bundle,
* so when we crop the path to there, when can remove the name of the bundle
* in the same way we remove the name from the executable name.
* @param exe the path to the executable
*/
void ChangeWorkingDirectory(const char *exe)
{
#ifdef WITH_COCOA
char *app_bundle = strchr(exe, '.');
while (app_bundle != NULL && strncasecmp(app_bundle, ".app", 4) != 0) app_bundle = strchr(&app_bundle[1], '.');
if (app_bundle != NULL) app_bundle[0] = '\0';
#endif /* WITH_COCOA */
char *s = strrchr(exe, PATHSEPCHAR);
if (s != NULL) {
*s = '\0';
chdir(exe);
*s = PATHSEPCHAR;
}
#ifdef WITH_COCOA
if (app_bundle != NULL) app_bundle[0] = '.';
#endif /* WITH_COCOA */
}
/**
* Determine the base (personal dir and game data dir) paths
* @param exe the path to the executable
*/
void DetermineBasePaths(const char *exe)
{
char tmp[MAX_PATH];
#if defined(__MORPHOS__) || defined(__AMIGA__) || !defined(WITH_PERSONAL_DIR)
_searchpaths[SP_PERSONAL_DIR] = NULL;
#else
const char *homedir = getenv("HOME");
if (homedir == NULL) {
const struct passwd *pw = getpwuid(getuid());
homedir = (pw == NULL) ? "" : pw->pw_dir;
}
snprintf(tmp, MAX_PATH, "%s" PATHSEP "%s", homedir, PERSONAL_DIR);
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_PERSONAL_DIR] = strdup(tmp);
#endif
#if defined(WITH_SHARED_DIR)
snprintf(tmp, MAX_PATH, "%s", SHARED_DIR);
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_SHARED_DIR] = strdup(tmp);
#else
_searchpaths[SP_SHARED_DIR] = NULL;
#endif
#if defined(__MORPHOS__) || defined(__AMIGA__)
_searchpaths[SP_WORKING_DIR] = NULL;
#else
getcwd(tmp, MAX_PATH);
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_WORKING_DIR] = strdup(tmp);
#endif
/* Change the working directory to that one of the executable */
ChangeWorkingDirectory((char*)exe);
getcwd(tmp, MAX_PATH);
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_BINARY_DIR] = strdup(tmp);
#if defined(__MORPHOS__) || defined(__AMIGA__)
_searchpaths[SP_INSTALLATION_DIR] = NULL;
#else
snprintf(tmp, MAX_PATH, "%s", GLOBAL_DATA_DIR);
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_INSTALLATION_DIR] = strdup(tmp);
#endif
#ifdef WITH_COCOA
extern void cocoaSetApplicationBundleDir();
cocoaSetApplicationBundleDir();
#else
_searchpaths[SP_APPLICATION_BUNDLE_DIR] = NULL;
#endif
ScanForTarFiles();
}
#endif /* defined(WIN32) || defined(WINCE) */
char *_personal_dir;
/**
* Acquire the base paths (personal dir and game data dir),
* fill all other paths (save dir, autosave dir etc) and
* make the save and scenario directories.
* @param exe the path from the current path to the executable
*/
void DeterminePaths(const char *exe)
{
DetermineBasePaths(exe);
Searchpath sp;
FOR_ALL_SEARCHPATHS(sp) DEBUG(misc, 4, "%s added as search path", _searchpaths[sp]);
if (_config_file != NULL) {
_personal_dir = strdup(_config_file);
char *end = strrchr(_personal_dir , PATHSEPCHAR);
if (end == NULL) {
_personal_dir[0] = '\0';
} else {
end[1] = '\0';
}
} else {
char personal_dir[MAX_PATH];
FioFindFullPath(personal_dir, lengthof(personal_dir), BASE_DIR, "openttd.cfg");
if (FileExists(personal_dir)) {
char *end = strrchr(personal_dir, PATHSEPCHAR);
if (end != NULL) end[1] = '\0';
_personal_dir = strdup(personal_dir);
_config_file = str_fmt("%sopenttd.cfg", _personal_dir);
} else {
static const Searchpath new_openttd_cfg_order[] = {
SP_PERSONAL_DIR, SP_BINARY_DIR, SP_WORKING_DIR, SP_SHARED_DIR, SP_INSTALLATION_DIR
};
for (uint i = 0; i < lengthof(new_openttd_cfg_order); i++) {
if (IsValidSearchPath(new_openttd_cfg_order[i])) {
_personal_dir = strdup(_searchpaths[new_openttd_cfg_order[i]]);
_config_file = str_fmt("%sopenttd.cfg", _personal_dir);
break;
}
}
}
}
DEBUG(misc, 3, "%s found as personal directory", _personal_dir);
_highscore_file = str_fmt("%shs.dat", _personal_dir);
_log_file = str_fmt("%sopenttd.log", _personal_dir);
char *save_dir = str_fmt("%s%s", _personal_dir, FioGetSubdirectory(SAVE_DIR));
char *autosave_dir = str_fmt("%s%s", _personal_dir, FioGetSubdirectory(AUTOSAVE_DIR));
/* Make the necessary folders */
#if !defined(__MORPHOS__) && !defined(__AMIGA__) && defined(WITH_PERSONAL_DIR)
FioCreateDirectory(_personal_dir);
#endif
FioCreateDirectory(save_dir);
FioCreateDirectory(autosave_dir);
free(save_dir);
free(autosave_dir);
}
/**
* Sanitizes a filename, i.e. removes all illegal characters from it.
* @param filename the "\0" terminated filename
*/
void SanitizeFilename(char *filename)
{
for (; *filename != '\0'; filename++) {
switch (*filename) {
/* The following characters are not allowed in filenames
* on at least one of the supported operating systems: */
case ':': case '\\': case '*': case '?': case '/':
case '<': case '>': case '|': case '"':
*filename = '_';
break;
}
}
}
void *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize)
{
FILE *in;
byte *mem;
size_t len;
in = fopen(filename, "rb");
if (in == NULL) return NULL;
fseek(in, 0, SEEK_END);
len = ftell(in);
fseek(in, 0, SEEK_SET);
if (len > maxsize || (mem = MallocT<byte>(len + 1)) == NULL) {
fclose(in);
return NULL;
}
mem[len] = 0;
if (fread(mem, len, 1, in) != 1) {
fclose(in);
free(mem);
return NULL;
}
fclose(in);
*lenp = len;
return mem;
}
|