diff options
Diffstat (limited to 'Source/3rdParty/physfs/physfs_platform_os2.c')
| -rw-r--r-- | Source/3rdParty/physfs/physfs_platform_os2.c | 812 |
1 files changed, 0 insertions, 812 deletions
diff --git a/Source/3rdParty/physfs/physfs_platform_os2.c b/Source/3rdParty/physfs/physfs_platform_os2.c deleted file mode 100644 index 8cc8044..0000000 --- a/Source/3rdParty/physfs/physfs_platform_os2.c +++ /dev/null @@ -1,812 +0,0 @@ -/* - * OS/2 support routines for PhysicsFS. - * - * Please see the file LICENSE.txt in the source's root directory. - * - * This file written by Ryan C. Gordon. - */ - -#define __PHYSICSFS_INTERNAL__ -#include "physfs_platforms.h" - -#ifdef PHYSFS_PLATFORM_OS2 - -#define INCL_DOSMODULEMGR -#define INCL_DOSSEMAPHORES -#define INCL_DOSDATETIME -#define INCL_DOSFILEMGR -#define INCL_DOSMODULEMGR -#define INCL_DOSERRORS -#define INCL_DOSPROCESS -#define INCL_DOSDEVICES -#define INCL_DOSDEVIOCTL -#define INCL_DOSMISC -#include <os2.h> -#include <uconv.h> - -#include <errno.h> -#include <time.h> -#include <ctype.h> - -#include "physfs_internal.h" - -static HMODULE uconvdll = 0; -static UconvObject uconv = 0; -static int (_System *pUniCreateUconvObject)(UniChar *, UconvObject *) = NULL; -static int (_System *pUniFreeUconvObject)(UconvObject *) = NULL; -static int (_System *pUniUconvToUcs)(UconvObject,void **,size_t *, UniChar**, size_t *, size_t *) = NULL; -static int (_System *pUniUconvFromUcs)(UconvObject,UniChar **,size_t *,void **,size_t *,size_t *) = NULL; - -static PHYSFS_ErrorCode errcodeFromAPIRET(const APIRET rc) -{ - switch (rc) - { - case NO_ERROR: return PHYSFS_ERR_OK; /* not an error. */ - case ERROR_INTERRUPT: return PHYSFS_ERR_OK; /* not an error. */ - case ERROR_TIMEOUT: return PHYSFS_ERR_OK; /* not an error. */ - case ERROR_NOT_ENOUGH_MEMORY: return PHYSFS_ERR_OUT_OF_MEMORY; - case ERROR_FILE_NOT_FOUND: return PHYSFS_ERR_NOT_FOUND; - case ERROR_PATH_NOT_FOUND: return PHYSFS_ERR_NOT_FOUND; - case ERROR_ACCESS_DENIED: return PHYSFS_ERR_PERMISSION; - case ERROR_NOT_DOS_DISK: return PHYSFS_ERR_NOT_FOUND; - case ERROR_SHARING_VIOLATION: return PHYSFS_ERR_PERMISSION; - case ERROR_CANNOT_MAKE: return PHYSFS_ERR_IO; /* maybe this is wrong? */ - case ERROR_DEVICE_IN_USE: return PHYSFS_ERR_BUSY; - case ERROR_OPEN_FAILED: return PHYSFS_ERR_IO; /* maybe this is wrong? */ - case ERROR_DISK_FULL: return PHYSFS_ERR_NO_SPACE; - case ERROR_PIPE_BUSY: return PHYSFS_ERR_BUSY; - case ERROR_SHARING_BUFFER_EXCEEDED: return PHYSFS_ERR_IO; - case ERROR_FILENAME_EXCED_RANGE: return PHYSFS_ERR_BAD_FILENAME; - case ERROR_META_EXPANSION_TOO_LONG: return PHYSFS_ERR_BAD_FILENAME; - case ERROR_TOO_MANY_HANDLES: return PHYSFS_ERR_IO; - case ERROR_TOO_MANY_OPEN_FILES: return PHYSFS_ERR_IO; - case ERROR_NO_MORE_SEARCH_HANDLES: return PHYSFS_ERR_IO; - case ERROR_SEEK_ON_DEVICE: return PHYSFS_ERR_IO; - case ERROR_NEGATIVE_SEEK: return PHYSFS_ERR_INVALID_ARGUMENT; - case ERROR_WRITE_PROTECT: return PHYSFS_ERR_PERMISSION; - case ERROR_WRITE_FAULT: return PHYSFS_ERR_IO; - case ERROR_UNCERTAIN_MEDIA: return PHYSFS_ERR_IO; - case ERROR_PROTECTION_VIOLATION: return PHYSFS_ERR_IO; - case ERROR_BROKEN_PIPE: return PHYSFS_ERR_IO; - - /* !!! FIXME: some of these might be PHYSFS_ERR_BAD_FILENAME, etc */ - case ERROR_LOCK_VIOLATION: - case ERROR_GEN_FAILURE: - case ERROR_INVALID_PARAMETER: - case ERROR_INVALID_NAME: - case ERROR_INVALID_DRIVE: - case ERROR_INVALID_HANDLE: - case ERROR_INVALID_FUNCTION: - case ERROR_INVALID_LEVEL: - case ERROR_INVALID_CATEGORY: - case ERROR_DUPLICATE_NAME: - case ERROR_BUFFER_OVERFLOW: - case ERROR_BAD_LENGTH: - case ERROR_BAD_DRIVER_LEVEL: - case ERROR_DIRECT_ACCESS_HANDLE: - case ERROR_NOT_OWNER: - return PHYSFS_ERR_OS_ERROR; - - default: break; - } /* switch */ - - return PHYSFS_ERR_OTHER_ERROR; -} /* errcodeFromAPIRET */ - -static char *cvtUtf8ToCodepage(const char *utf8str) -{ - const size_t len = strlen(utf8str) + 1; - const size_t uc2buflen = len * sizeof (UniChar); - UniChar *uc2ptr = (UniChar *) __PHYSFS_smallAlloc(uc2buflen); - UniChar *uc2str = uc2ptr; - char *cpptr = NULL; - char *cpstr = NULL; - size_t subs = 0; - size_t unilen; - - BAIL_IF(!uc2str, PHYSFS_ERR_OUT_OF_MEMORY, NULL); - PHYSFS_utf8ToUcs2(utf8str, (PHYSFS_uint16 *) uc2str, uc2buflen); - for (unilen = 0; uc2str[unilen]; unilen++) { /* spin */ } - unilen++; /* null terminator. */ - - if (!uconvdll) - { - /* There's really not much we can do on older OS/2s except pray this - is latin1-compatible. */ - size_t i; - cpptr = (char *) allocator.Malloc(unilen); - cpstr = cpptr; - GOTO_IF(!cpptr, PHYSFS_ERR_OUT_OF_MEMORY, failed); - for (i = 0; i < unilen; i++) - { - const UniChar ch = uc2str[i]; - GOTO_IF(ch > 0xFF, PHYSFS_ERR_BAD_FILENAME, failed); - cpptr[i] = (char) ((unsigned char) ch); - } /* for */ - - __PHYSFS_smallFree(uc2ptr); - return cpstr; - } /* if */ - else - { - int rc; - size_t cplen = unilen * 4; /* overallocate, just in case. */ - cpptr = (char *) allocator.Malloc(cplen); - GOTO_IF(!cpptr, PHYSFS_ERR_OUT_OF_MEMORY, failed); - cpstr = cpptr; - - rc = pUniUconvFromUcs(uconv, &uc2str, &unilen, (void **) &cpstr, &cplen, &subs); - GOTO_IF(rc != ULS_SUCCESS, PHYSFS_ERR_BAD_FILENAME, failed); - GOTO_IF(subs > 0, PHYSFS_ERR_BAD_FILENAME, failed); - assert(unilen == 0); - - __PHYSFS_smallFree(uc2ptr); - return cpptr; - } /* else */ - -failed: - __PHYSFS_smallFree(uc2ptr); - allocator.Free(cpptr); - - return NULL; -} /* cvtUtf8ToCodepage */ - -static char *cvtCodepageToUtf8(const char *cpstr) -{ - const size_t len = strlen(cpstr) + 1; - char *retvalbuf = (char *) allocator.Malloc(len * 4); - char *retval = NULL; - - BAIL_IF(!retvalbuf, PHYSFS_ERR_OUT_OF_MEMORY, NULL); - - if (!uconvdll) - { - /* There's really not much we can do on older OS/2s except pray this - is latin1-compatible. */ - retval = retvalbuf; - PHYSFS_utf8FromLatin1(cpstr, retval, len * 4); - } /* if */ - else - { - int rc; - size_t cplen = len; - size_t unilen = len; - size_t subs = 0; - UniChar *uc2ptr = __PHYSFS_smallAlloc(len * sizeof (UniChar)); - UniChar *uc2str = uc2ptr; - - BAIL_IF(!uc2ptr, PHYSFS_ERR_OUT_OF_MEMORY, NULL); - rc = pUniUconvToUcs(uconv, (void **) &cpstr, &cplen, &uc2str, &unilen, &subs); - GOTO_IF(rc != ULS_SUCCESS, PHYSFS_ERR_BAD_FILENAME, done); - GOTO_IF(subs > 0, PHYSFS_ERR_BAD_FILENAME, done); - assert(cplen == 0); - retval = retvalbuf; - PHYSFS_utf8FromUcs2((const PHYSFS_uint16 *) uc2ptr, retval, len * 4); - done: - __PHYSFS_smallFree(uc2ptr); - } /* else */ - - return retval; -} /* cvtCodepageToUtf8 */ - - -/* (be gentle, this function isn't very robust.) */ -static char *cvtPathToCorrectCase(char *buf) -{ - char *retval = buf; - char *fname = buf + 3; /* point to first element. */ - char *ptr = strchr(fname, '\\'); /* find end of first element. */ - - buf[0] = toupper(buf[0]); /* capitalize drive letter. */ - - /* - * Go through each path element, and enumerate its parent dir until - * a case-insensitive match is found. If one is (and it SHOULD be) - * then overwrite the original element with the correct case. - * If there's an error, or the path has vanished for some reason, it - * won't hurt to have the original case, so we just keep going. - */ - while ((fname != NULL) && (*fname != '\0')) - { - char spec[CCHMAXPATH]; - FILEFINDBUF3 fb; - HDIR hdir = HDIR_CREATE; - ULONG count = 1; - APIRET rc; - - *(fname - 1) = '\0'; /* isolate parent dir string. */ - - strcpy(spec, buf); /* copy isolated parent dir... */ - strcat(spec, "\\*.*"); /* ...and add wildcard search spec. */ - - if (ptr != NULL) /* isolate element to find (fname is the start). */ - *ptr = '\0'; - - rc = DosFindFirst((unsigned char *) spec, &hdir, FILE_DIRECTORY, - &fb, sizeof (fb), &count, FIL_STANDARD); - if (rc == NO_ERROR) - { - while (count == 1) /* while still entries to enumerate... */ - { - int cmp; - char *utf8 = cvtCodepageToUtf8(fb.achName); - if (!utf8) /* ugh, maybe we'll get lucky with the C runtime. */ - cmp = stricmp(fb.achName, fname); - else - { - cmp = PHYSFS_utf8stricmp(utf8, fname); - allocator.Free(utf8); - } /* else */ - - if (cmp == 0) - { - strcpy(fname, fb.achName); - break; /* there it is. Overwrite and stop searching. */ - } /* if */ - - DosFindNext(hdir, &fb, sizeof (fb), &count); - } /* while */ - DosFindClose(hdir); - } /* if */ - - *(fname - 1) = '\\'; /* unisolate parent dir. */ - fname = ptr; /* point to next element. */ - if (ptr != NULL) - { - *ptr = '\\'; /* unisolate element. */ - ptr = strchr(++fname, '\\'); /* find next element. */ - } /* if */ - } /* while */ - - return retval; -} /* cvtPathToCorrectCase */ - -static void prepUnicodeSupport(void) -{ - /* really old OS/2 might not have Unicode support _at all_, so load - the system library and do without if it doesn't exist. */ - int ok = 0; - char buf[CCHMAXPATH]; - UniChar defstr[] = { 0 }; - if (DosLoadModule(buf, sizeof (buf) - 1, "uconv", &uconvdll) == NO_ERROR) - { - #define LOAD(x) (DosQueryProcAddr(uconvdll,0,#x,(PFN*)&p##x)==NO_ERROR) - ok = LOAD(UniCreateUconvObject) && - LOAD(UniFreeUconvObject) && - LOAD(UniUconvToUcs) && - LOAD(UniUconvFromUcs); - #undef LOAD - } /* else */ - - if (!ok || (pUniCreateUconvObject(defstr, &uconv) != ULS_SUCCESS)) - { - /* oh well, live without it. */ - if (uconvdll) - { - if (uconv) - pUniFreeUconvObject(uconv); - DosFreeModule(uconvdll); - uconvdll = 0; - } /* if */ - } /* if */ -} /* prepUnicodeSupport */ - - -int __PHYSFS_platformInit(void) -{ - prepUnicodeSupport(); - return 1; /* ready to go! */ -} /* __PHYSFS_platformInit */ - - -void __PHYSFS_platformDeinit(void) -{ - if (uconvdll) - { - pUniFreeUconvObject(uconv); - uconv = 0; - DosFreeModule(uconvdll); - uconvdll = 0; - } /* if */ -} /* __PHYSFS_platformDeinit */ - - -static int discIsInserted(ULONG drive) -{ - int rc; - char buf[20]; - DosError(FERR_DISABLEHARDERR | FERR_DISABLEEXCEPTION); - rc = DosQueryFSInfo(drive + 1, FSIL_VOLSER, buf, sizeof (buf)); - DosError(FERR_ENABLEHARDERR | FERR_ENABLEEXCEPTION); - return (rc == NO_ERROR); -} /* is_cdrom_inserted */ - - -/* looks like "CD01" in ASCII (littleendian)...used for an ioctl. */ -#define CD01 0x31304443 - -static int isCdRomDrive(ULONG drive) -{ - PHYSFS_uint32 param, data; - ULONG ul1, ul2; - APIRET rc; - HFILE hfile = NULLHANDLE; - unsigned char drivename[3] = { 0, ':', '\0' }; - - drivename[0] = 'A' + drive; - - rc = DosOpen(drivename, &hfile, &ul1, 0, 0, - OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW, - OPEN_FLAGS_DASD | OPEN_FLAGS_FAIL_ON_ERROR | - OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYNONE, NULL); - if (rc != NO_ERROR) - return 0; - - data = 0; - param = PHYSFS_swapULE32(CD01); - ul1 = ul2 = sizeof (PHYSFS_uint32); - rc = DosDevIOCtl(hfile, IOCTL_CDROMDISK, CDROMDISK_GETDRIVER, - ¶m, sizeof (param), &ul1, &data, sizeof (data), &ul2); - - DosClose(hfile); - return ((rc == NO_ERROR) && (PHYSFS_swapULE32(data) == CD01)); -} /* isCdRomDrive */ - - -void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data) -{ - ULONG dummy = 0; - ULONG drivemap = 0; - ULONG i, bit; - const APIRET rc = DosQueryCurrentDisk(&dummy, &drivemap); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc),); - - for (i = 0, bit = 1; i < 26; i++, bit <<= 1) - { - if (drivemap & bit) /* this logical drive exists. */ - { - if ((isCdRomDrive(i)) && (discIsInserted(i))) - { - char drive[4] = "x:\\"; - drive[0] = ('A' + i); - cb(data, drive); - } /* if */ - } /* if */ - } /* for */ -} /* __PHYSFS_platformDetectAvailableCDs */ - - -char *__PHYSFS_platformCalcBaseDir(const char *argv0) -{ - char *retval = NULL; - char buf[CCHMAXPATH]; - APIRET rc; - PTIB ptib; - PPIB ppib; - PHYSFS_sint32 len; - - rc = DosGetInfoBlocks(&ptib, &ppib); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), 0); - rc = DosQueryModuleName(ppib->pib_hmte, sizeof (buf), (PCHAR) buf); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), 0); - retval = cvtCodepageToUtf8(buf); - BAIL_IF_ERRPASS(!retval, NULL); - - /* chop off filename, leave path. */ - for (len = strlen(retval) - 1; len >= 0; len--) - { - if (retval[len] == '\\') - { - retval[len + 1] = '\0'; - break; - } /* if */ - } /* for */ - - assert(len > 0); /* should have been a "x:\\" on the front on string. */ - - /* The string is capitalized! Figure out the REAL case... */ - return cvtPathToCorrectCase(retval); -} /* __PHYSFS_platformCalcBaseDir */ - -char *__PHYSFS_platformCalcUserDir(void) -{ - return __PHYSFS_platformCalcBaseDir(NULL); /* !!! FIXME: ? */ -} /* __PHYSFS_platformCalcUserDir */ - -char *__PHYSFS_platformCalcPrefDir(const char *org, const char *app) -{ - return __PHYSFS_platformCalcBaseDir(NULL); /* !!! FIXME: ? */ -} /* __PHYSFS_platformCalcPrefDir */ - -PHYSFS_EnumerateCallbackResult __PHYSFS_platformEnumerate(const char *dirname, - PHYSFS_EnumerateCallback callback, - const char *origdir, void *callbackdata) -{ - PHYSFS_EnumerateCallbackResult retval = PHYSFS_ENUM_OK; - size_t utf8len = strlen(dirname); - char *utf8 = (char *) __PHYSFS_smallAlloc(utf8len + 5); - char *cpspec = NULL; - FILEFINDBUF3 fb; - HDIR hdir = HDIR_CREATE; - ULONG count = 1; - APIRET rc; - - BAIL_IF(!utf8, PHYSFS_ERR_OUT_OF_MEMORY, PHYSFS_ENUM_ERROR); - - strcpy(utf8, dirname); - if (utf8[utf8len - 1] != '\\') - strcpy(utf8 + utf8len, "\\*.*"); - else - strcpy(utf8 + utf8len, "*.*"); - - cpspec = cvtUtf8ToCodepage(utf8); - __PHYSFS_smallFree(utf8); - BAIL_IF_ERRPASS(!cpspec, PHYSFS_ENUM_ERROR); - - rc = DosFindFirst((unsigned char *) cpspec, &hdir, - FILE_DIRECTORY | FILE_ARCHIVED | - FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM, - &fb, sizeof (fb), &count, FIL_STANDARD); - allocator.Free(cpspec); - - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), PHYSFS_ENUM_ERROR); - - while (count == 1) - { - if ((strcmp(fb.achName, ".") != 0) && (strcmp(fb.achName, "..") != 0)) - { - utf8 = cvtCodepageToUtf8(fb.achName); - if (!utf8) - retval = PHYSFS_ENUM_ERROR; - else - { - retval = callback(callbackdata, origdir, utf8); - allocator.Free(utf8); - if (retval == PHYSFS_ENUM_ERROR) - PHYSFS_setErrorCode(PHYSFS_ERR_APP_CALLBACK); - } /* else */ - } /* if */ - - if (retval != PHYSFS_ENUM_OK) - break; - - DosFindNext(hdir, &fb, sizeof (fb), &count); - } /* while */ - - DosFindClose(hdir); - - return retval; -} /* __PHYSFS_platformEnumerate */ - - -char *__PHYSFS_platformCurrentDir(void) -{ - char *retval; - char *cpstr; - char *utf8; - ULONG currentDisk; - ULONG dummy; - ULONG pathSize = 0; - APIRET rc; - BYTE byte; - - rc = DosQueryCurrentDisk(¤tDisk, &dummy); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), NULL); - - /* The first call just tells us how much space we need for the string. */ - rc = DosQueryCurrentDir(currentDisk, &byte, &pathSize); - pathSize++; /* Add space for null terminator. */ - cpstr = (char *) __PHYSFS_smallAlloc(pathSize); - BAIL_IF(cpstr == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL); - - /* Actually get the string this time. */ - rc = DosQueryCurrentDir(currentDisk, (PBYTE) cpstr, &pathSize); - if (rc != NO_ERROR) - { - __PHYSFS_smallFree(cpstr); - BAIL(errcodeFromAPIRET(rc), NULL); - } /* if */ - - utf8 = cvtCodepageToUtf8(cpstr); - __PHYSFS_smallFree(cpstr); - BAIL_IF_ERRPASS(utf8 == NULL, NULL); - - /* +4 for "x:\\" drive selector and null terminator. */ - retval = (char *) allocator.Malloc(strlen(utf8) + 4); - if (retval == NULL) - { - allocator.Free(utf8); - BAIL(PHYSFS_ERR_OUT_OF_MEMORY, NULL); - } /* if */ - - retval[0] = ('A' + (currentDisk - 1)); - retval[1] = ':'; - retval[2] = '\\'; - strcpy(retval + 3, utf8); - - allocator.Free(utf8); - - return retval; -} /* __PHYSFS_platformCurrentDir */ - - -int __PHYSFS_platformMkDir(const char *filename) -{ - APIRET rc; - char *cpstr = cvtUtf8ToCodepage(filename); - BAIL_IF_ERRPASS(!cpstr, 0); - rc = DosCreateDir((unsigned char *) cpstr, NULL); - allocator.Free(cpstr); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), 0); - return 1; -} /* __PHYSFS_platformMkDir */ - - -static HFILE openFile(const char *filename, const ULONG flags, const ULONG mode) -{ - char *cpfname = cvtUtf8ToCodepage(filename); - ULONG action = 0; - HFILE hfile = NULLHANDLE; - APIRET rc; - - BAIL_IF_ERRPASS(!cpfname, 0); - - rc = DosOpen(cpfname, &hfile, &action, 0, FILE_NORMAL, flags, mode, NULL); - allocator.Free(cpfname); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), 0); - - return hfile; -} /* openFile */ - -void *__PHYSFS_platformOpenRead(const char *filename) -{ - /* - * File must be opened SHARE_DENYWRITE and ACCESS_READONLY, otherwise - * DosQueryFileInfo() will fail if we try to get a file length, etc. - */ - return (void *) openFile(filename, - OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW, - OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY | - OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYWRITE | - OPEN_ACCESS_READONLY); -} /* __PHYSFS_platformOpenRead */ - - -void *__PHYSFS_platformOpenWrite(const char *filename) -{ - return (void *) openFile(filename, - OPEN_ACTION_REPLACE_IF_EXISTS | - OPEN_ACTION_CREATE_IF_NEW, - OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY | - OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYWRITE); -} /* __PHYSFS_platformOpenWrite */ - - -void *__PHYSFS_platformOpenAppend(const char *filename) -{ - APIRET rc; - ULONG dummy = 0; - HFILE hfile; - - /* - * File must be opened SHARE_DENYWRITE and ACCESS_READWRITE, otherwise - * DosQueryFileInfo() will fail if we try to get a file length, etc. - */ - hfile = openFile(filename, - OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW, - OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY | - OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYWRITE | - OPEN_ACCESS_READWRITE); - BAIL_IF_ERRPASS(!hfile, NULL); - - rc = DosSetFilePtr(hfile, 0, FILE_END, &dummy); - if (rc != NO_ERROR) - { - DosClose(hfile); - BAIL(errcodeFromAPIRET(rc), NULL); - } /* if */ - - return ((void *) hfile); -} /* __PHYSFS_platformOpenAppend */ - - -PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buf, PHYSFS_uint64 len) -{ - ULONG br = 0; - APIRET rc; - BAIL_IF(!__PHYSFS_ui64FitsAddressSpace(len),PHYSFS_ERR_INVALID_ARGUMENT,-1); - rc = DosRead((HFILE) opaque, buf, (ULONG) len, &br); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), (br > 0) ? ((PHYSFS_sint64) br) : -1); - return (PHYSFS_sint64) br; -} /* __PHYSFS_platformRead */ - - -PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buf, - PHYSFS_uint64 len) -{ - ULONG bw = 0; - APIRET rc; - BAIL_IF(!__PHYSFS_ui64FitsAddressSpace(len),PHYSFS_ERR_INVALID_ARGUMENT,-1); - rc = DosWrite((HFILE) opaque, (void *) buf, (ULONG) len, &bw); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), (bw > 0) ? ((PHYSFS_sint64) bw) : -1); - return (PHYSFS_sint64) bw; -} /* __PHYSFS_platformWrite */ - - -int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos) -{ - ULONG dummy; - HFILE hfile = (HFILE) opaque; - LONG dist = (LONG) pos; - APIRET rc; - - /* hooray for 32-bit filesystem limits! :) */ - BAIL_IF((PHYSFS_uint64) dist != pos, PHYSFS_ERR_INVALID_ARGUMENT, 0); - rc = DosSetFilePtr(hfile, dist, FILE_BEGIN, &dummy); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), 0); - return 1; -} /* __PHYSFS_platformSeek */ - - -PHYSFS_sint64 __PHYSFS_platformTell(void *opaque) -{ - ULONG pos; - HFILE hfile = (HFILE) opaque; - const APIRET rc = DosSetFilePtr(hfile, 0, FILE_CURRENT, &pos); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), -1); - return ((PHYSFS_sint64) pos); -} /* __PHYSFS_platformTell */ - - -PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque) -{ - FILESTATUS3 fs; - HFILE hfile = (HFILE) opaque; - const APIRET rc = DosQueryFileInfo(hfile, FIL_STANDARD, &fs, sizeof (fs)); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), -1); - return ((PHYSFS_sint64) fs.cbFile); -} /* __PHYSFS_platformFileLength */ - - -int __PHYSFS_platformFlush(void *opaque) -{ - const APIRET rc = DosResetBuffer((HFILE) opaque); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), 0); - return 1; -} /* __PHYSFS_platformFlush */ - - -void __PHYSFS_platformClose(void *opaque) -{ - DosClose((HFILE) opaque); /* ignore errors. You should have flushed! */ -} /* __PHYSFS_platformClose */ - - -int __PHYSFS_platformDelete(const char *path) -{ - char *cppath = cvtUtf8ToCodepage(path); - FILESTATUS3 fs; - APIRET rc; - int retval = 0; - - BAIL_IF_ERRPASS(!cppath, 0); - rc = DosQueryPathInfo(cppath, FIL_STANDARD, &fs, sizeof (fs)); - GOTO_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), done); - rc = (fs.attrFile & FILE_DIRECTORY) ? DosDeleteDir(path) : DosDelete(path); - GOTO_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), done); - retval = 1; /* success */ - -done: - allocator.Free(cppath); - return retval; -} /* __PHYSFS_platformDelete */ - - -/* Convert to a format PhysicsFS can grok... */ -PHYSFS_sint64 os2TimeToUnixTime(const FDATE *date, const FTIME *time) -{ - struct tm tm; - - tm.tm_sec = ((PHYSFS_uint32) time->twosecs) * 2; - tm.tm_min = time->minutes; - tm.tm_hour = time->hours; - tm.tm_mday = date->day; - tm.tm_mon = date->month; - tm.tm_year = ((PHYSFS_uint32) date->year) + 80; - tm.tm_wday = -1 /*st_localtz.wDayOfWeek*/; - tm.tm_yday = -1; - tm.tm_isdst = -1; - - return (PHYSFS_sint64) mktime(&tm); -} /* os2TimeToUnixTime */ - - -int __PHYSFS_platformStat(const char *filename, PHYSFS_Stat *stat, const int follow) -{ - char *cpfname = cvtUtf8ToCodepage(filename); - FILESTATUS3 fs; - int retval = 0; - APIRET rc; - - BAIL_IF_ERRPASS(!cpfname, 0); - - rc = DosQueryPathInfo(cpfname, FIL_STANDARD, &fs, sizeof (fs)); - GOTO_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), done); - - if (fs.attrFile & FILE_DIRECTORY) - { - stat->filetype = PHYSFS_FILETYPE_DIRECTORY; - stat->filesize = 0; - } /* if */ - else - { - stat->filetype = PHYSFS_FILETYPE_REGULAR; - stat->filesize = fs.cbFile; - } /* else */ - - stat->modtime = os2TimeToUnixTime(&fs.fdateLastWrite, &fs.ftimeLastWrite); - if (stat->modtime < 0) - stat->modtime = 0; - - stat->accesstime = os2TimeToUnixTime(&fs.fdateLastAccess, &fs.ftimeLastAccess); - if (stat->accesstime < 0) - stat->accesstime = 0; - - stat->createtime = os2TimeToUnixTime(&fs.fdateCreation, &fs.ftimeCreation); - if (stat->createtime < 0) - stat->createtime = 0; - - stat->readonly = ((fs.attrFile & FILE_READONLY) == FILE_READONLY); - return 1; /* success */ - -done: - allocator.Free(cpfname); - return retval; -} /* __PHYSFS_platformStat */ - - -void *__PHYSFS_platformGetThreadID(void) -{ - PTIB ptib; - PPIB ppib; - - /* - * Allegedly, this API never fails, but we'll punt and return a - * default value (zero might as well do) if it does. - */ - const APIRET rc = DosGetInfoBlocks(&ptib, &ppib); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), 0); - return ((void *) ptib->tib_ordinal); -} /* __PHYSFS_platformGetThreadID */ - - -void *__PHYSFS_platformCreateMutex(void) -{ - HMTX hmtx = NULLHANDLE; - const APIRET rc = DosCreateMutexSem(NULL, &hmtx, 0, 0); - BAIL_IF(rc != NO_ERROR, errcodeFromAPIRET(rc), NULL); - return ((void *) hmtx); -} /* __PHYSFS_platformCreateMutex */ - - -void __PHYSFS_platformDestroyMutex(void *mutex) -{ - DosCloseMutexSem((HMTX) mutex); -} /* __PHYSFS_platformDestroyMutex */ - - -int __PHYSFS_platformGrabMutex(void *mutex) -{ - /* Do _NOT_ set the physfs error message in here! */ - return (DosRequestMutexSem((HMTX) mutex, SEM_INDEFINITE_WAIT) == NO_ERROR); -} /* __PHYSFS_platformGrabMutex */ - - -void __PHYSFS_platformReleaseMutex(void *mutex) -{ - DosReleaseMutexSem((HMTX) mutex); -} /* __PHYSFS_platformReleaseMutex */ - -#endif /* PHYSFS_PLATFORM_OS2 */ - -/* end of physfs_platform_os2.c ... */ |