Initial add.
This commit is contained in:
Ryan C. Gordon
parent
ec201d1007
commit
021752e953
|
|
@ -0,0 +1,772 @@
|
|||
/*
|
||||
* OS/2 support routines for PhysicsFS.
|
||||
*
|
||||
* Please see the file LICENSE in the source's root directory.
|
||||
*
|
||||
* This file written by Ryan C. Gordon.
|
||||
*/
|
||||
|
||||
#if HAVE_CONFIG_H
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#if (defined OS2)
|
||||
|
||||
#define INCL_DOSSEMAPHORES
|
||||
#define INCL_DOSDATETIME
|
||||
#define INCL_DOSFILEMGR
|
||||
#define INCL_DOSMODULEMGR
|
||||
#define INCL_DOSERRORS
|
||||
#define INCL_DOSDEVICES
|
||||
#include <os2.h>
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <assert.h>
|
||||
|
||||
|
||||
static APIRET os2err(APIRET retval)
|
||||
{
|
||||
const char *err = NULL;
|
||||
|
||||
/*
|
||||
* The ones that say "OS/2 reported" are more for PhysicsFS developer
|
||||
* debugging. We give more generic messages for ones that are likely to
|
||||
* fall through to an application.
|
||||
*/
|
||||
switch (retval)
|
||||
{
|
||||
case NO_ERROR: /* Don't set the PhysicsFS error message for these... */
|
||||
case ERROR_INTERRUPT:
|
||||
case ERROR_TIMEOUT:
|
||||
break;
|
||||
|
||||
case ERROR_NOT_ENOUGH_MEMORY:
|
||||
err = ERR_OUT_OF_MEMORY;
|
||||
break;
|
||||
|
||||
case ERROR_FILE_NOT_FOUND:
|
||||
err = "File not found";
|
||||
break;
|
||||
|
||||
case ERROR_PATH_NOT_FOUND:
|
||||
err = "Path not found";
|
||||
break;
|
||||
|
||||
case ERROR_ACCESS_DENIED:
|
||||
err = "Access denied";
|
||||
break;
|
||||
|
||||
case ERROR_NOT_DOS_DISK:
|
||||
err = "Not a DOS disk";
|
||||
break;
|
||||
|
||||
case ERROR_DRIVE_LOCKED:
|
||||
err = "Drive is locked";
|
||||
break;
|
||||
|
||||
case ERROR_SHARING_VIOLATION:
|
||||
err = "Sharing violation";
|
||||
break;
|
||||
|
||||
case ERROR_CANNOT_MAKE:
|
||||
err = "Cannot make";
|
||||
break;
|
||||
|
||||
case ERROR_DEVICE_IN_USE:
|
||||
err = "Device already in use";
|
||||
break;
|
||||
|
||||
case ERROR_DRIVE_LOCKED:
|
||||
err = "Drive is locked";
|
||||
break;
|
||||
|
||||
case ERROR_OPEN_FAILED:
|
||||
err = "Open failed";
|
||||
break;
|
||||
|
||||
case ERROR_DISK_FULL:
|
||||
err = "Disk is full";
|
||||
break;
|
||||
|
||||
case ERROR_DISK_FULL:
|
||||
err = "Pipe busy";
|
||||
break;
|
||||
|
||||
case ERROR_SHARING_BUFFER_EXCEEDED:
|
||||
err = "Sharing buffer exceeded";
|
||||
break;
|
||||
|
||||
case ERROR_FILENAME_EXCED_RANGE:
|
||||
case ERROR_META_EXPANSION_TOO_LONG:
|
||||
err = "Filename too big";
|
||||
break;
|
||||
|
||||
case ERROR_TOO_MANY_HANDLES:
|
||||
case ERROR_TOO_OPEN_FILES:
|
||||
case ERROR_NO_MORE_SEARCH_HANDLES:
|
||||
err = "Too many open handles";
|
||||
break;
|
||||
|
||||
case ERROR_SEEK_ON_DEVICE:
|
||||
err = "Seek error"; /* Is that what this error means? */
|
||||
break;
|
||||
|
||||
case ERROR_NEGATIVE_SEEK:
|
||||
err = "Seek past start of file";
|
||||
break;
|
||||
|
||||
case ERROR_CURRENT_DIRECTORY:
|
||||
err = "Trying to delete current working directory";
|
||||
break;
|
||||
|
||||
case ERROR_WRITE_PROTECT:
|
||||
err = "Write protect error";
|
||||
break;
|
||||
|
||||
case ERROR_WRITE_FAULT:
|
||||
err = "Write fault";
|
||||
break;
|
||||
|
||||
case ERROR_LOCK_VIOLATION:
|
||||
err = "Lock violation";
|
||||
break;
|
||||
|
||||
case ERROR_GEN_FAILURE:
|
||||
err = "General failure";
|
||||
break;
|
||||
|
||||
case ERROR_UNCERTAIN_MEDIA:
|
||||
err = "Uncertain media";
|
||||
break;
|
||||
|
||||
case ERROR_PROTECTION_VIOLATION:
|
||||
err = "Protection violation";
|
||||
break;
|
||||
|
||||
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:
|
||||
err = "OS/2 reported an invalid parameter to an API function";
|
||||
break;
|
||||
|
||||
case ERROR_NO_VOLUME_LABEL:
|
||||
err = "OS/2 reported no volume label";
|
||||
break;
|
||||
|
||||
case ERROR_NO_MORE_FILES:
|
||||
err = "OS/2 reported no more files";
|
||||
break;
|
||||
|
||||
case ERROR_MONITORS_NOT_SUPPORTED:
|
||||
err = "OS/2 reported monitors not supported";
|
||||
break;
|
||||
|
||||
case ERROR_BROKEN_PIPE:
|
||||
err = "OS/2 reported a broken pipe";
|
||||
break;
|
||||
|
||||
case ERROR_MORE_DATA:
|
||||
err = "OS/2 reported \"more data\" (?)";
|
||||
break;
|
||||
|
||||
case ERROR_EAS_DIDNT_FIT:
|
||||
err = "OS/2 reported Extended Attributes didn't fit";
|
||||
break;
|
||||
|
||||
case ERROR_INVALID_EA_NAME:
|
||||
err = "OS/2 reported an invalid Extended Attribute name";
|
||||
break;
|
||||
|
||||
case ERROR_EA_LIST_INCONSISTENT:
|
||||
err = "OS/2 reported an inconsistent Extended Attribute list";
|
||||
break;
|
||||
|
||||
case ERROR_EA_VALUE_UNSUPPORTABLE:
|
||||
err = "OS/2 reported an unsupportable Extended Attribute value";
|
||||
break;
|
||||
|
||||
case ERROR_SEM_OWNER_DIED:
|
||||
err = "OS/2 reported that semaphore owner died";
|
||||
break;
|
||||
|
||||
case ERROR_TOO_MANY_SEM_REQUESTS:
|
||||
err = "OS/2 reported too many semaphore requests";
|
||||
break;
|
||||
|
||||
case ERROR_SEM_BUSY:
|
||||
err = "OS/2 reported a blocked semaphore";
|
||||
break;
|
||||
|
||||
case ERROR_NOT_OWNER:
|
||||
err = "OS/2 reported that we used a resource we don't own.";
|
||||
break;
|
||||
|
||||
default:
|
||||
err = "OS/2 reported back with unrecognized error code";
|
||||
break;
|
||||
} /* switch */
|
||||
|
||||
if (err != NULL)
|
||||
__PHYSFS_setError(err);
|
||||
|
||||
return(retval);
|
||||
} /* os2err */
|
||||
|
||||
|
||||
static char *baseDir = NULL;
|
||||
|
||||
int __PHYSFS_platformInit(void)
|
||||
{
|
||||
char buf[CCHMAXPATH];
|
||||
APIRET rc;
|
||||
TIB tib;
|
||||
PIB pib;
|
||||
|
||||
assert(baseDir == NULL);
|
||||
|
||||
BAIL_IF_MACRO(os2err(DosGetInfoBlocks(&tib, &pib)) != NO_ERROR, NULL, 0);
|
||||
rc = DosQueryModuleName(pib.pib_hmte, sizeof (buf), (PCHAR) buf);
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, 0);
|
||||
|
||||
baseDir = (char *) malloc(strlen(buf) + 1);
|
||||
BAIL_IF_MACRO(baseDir == NULL, ERR_OUT_OF_MEMORY, 0);
|
||||
strcpy(baseDir);
|
||||
|
||||
return(1); /* success. */
|
||||
} /* __PHYSFS_platformInit */
|
||||
|
||||
|
||||
int __PHYSFS_platformDeinit(void)
|
||||
{
|
||||
assert(baseDir != NULL);
|
||||
free(baseDir);
|
||||
baseDir = NULL;
|
||||
return(1); /* success. */
|
||||
} /* __PHYSFS_platformDeinit */
|
||||
|
||||
|
||||
static int disc_is_inserted(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 */
|
||||
|
||||
|
||||
static int is_cdrom_drive(ULONG drive)
|
||||
{
|
||||
PHYSFS_uint16 cmd = (((drive & 0xFF) << 8) | 0);
|
||||
BIOSPARAMETERBLOCK bpb;
|
||||
ULONG ul1, ul2;
|
||||
APIRET rc;
|
||||
|
||||
rc = DosDevIOCtl((HFILE) -1, IOCTL_DISK,
|
||||
DSK_GETDEVICEPARAMS,
|
||||
&cmd, sizeof (cmd), &ul1,
|
||||
&bpb, sizeof (bpb), &u2);
|
||||
|
||||
/*
|
||||
* !!! FIXME: Note that this tells us that the media is REMOVABLE...
|
||||
* !!! FIXME: but it might not be a CD-ROM...check driver name?
|
||||
*/
|
||||
return((rc == NO_ERROR) && ((DiskData.fsDeviceAttr & 0x0001) == 0));
|
||||
} /* is_cdrom_drive */
|
||||
|
||||
|
||||
char **__PHYSFS_platformDetectAvailableCDs(void)
|
||||
{
|
||||
ULONG dummy;
|
||||
ULONG drivemap;
|
||||
ULONG i, bit;
|
||||
APIRET rc;
|
||||
char **retval;
|
||||
PHYSFS_uint32 cd_count = 0;
|
||||
|
||||
retval = (char **) malloc(sizeof (char *));
|
||||
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
|
||||
*retval = NULL;
|
||||
|
||||
rc = DosQueryCurrentDisk(&dummy, &drivemap);
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, retval);
|
||||
|
||||
/* !!! FIXME: the a, b, and c drives are almost certainly NOT cdroms... */
|
||||
for (i = 0, bit = 1; i < 26; i++, bit << 1)
|
||||
{
|
||||
if (drivemap & bit) /* this logical drive exists. */
|
||||
{
|
||||
if ((is_cdrom_drive(i)) && (disc_is_inserted(i)))
|
||||
{
|
||||
char **tmp = realloc(retval, sizeof (char *) * (cd_count + 1));
|
||||
if (tmp)
|
||||
{
|
||||
char *str = (char *) malloc(4);
|
||||
retval = tmp;
|
||||
retval[cd_count - 1] = str;
|
||||
if (str)
|
||||
{
|
||||
str[0] = ('A' + i);
|
||||
str[1] = ':';
|
||||
str[2] = '\\';
|
||||
str[3] = '\0';
|
||||
cd_count++;
|
||||
} /* if */
|
||||
} /* if */
|
||||
} /* if */
|
||||
} /* if */
|
||||
} /* for */
|
||||
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformDetectAvailableCDs */
|
||||
|
||||
|
||||
char *__PHYSFS_platformCalcBaseDir(const char *argv0)
|
||||
{
|
||||
char *retval = (char *) malloc(strlen(baseDir) + 1);
|
||||
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
|
||||
strcpy(retval, baseDir); /* calculated at init time. */
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformCalcBaseDir */
|
||||
|
||||
|
||||
char *__PHYSFS_platformGetUserName(void)
|
||||
{
|
||||
return(NULL); /* (*shrug*) */
|
||||
} /* __PHYSFS_platformGetUserName */
|
||||
|
||||
|
||||
char *__PHYSFS_platformGetUserDir(void)
|
||||
{
|
||||
return(__PHYSFS_platformCalcBaseDir(NULL));
|
||||
} /* __PHYSFS_platformGetUserDir */
|
||||
|
||||
|
||||
int __PHYSFS_platformStricmp(const char *x, const char *y)
|
||||
{
|
||||
int ux, uy;
|
||||
|
||||
do
|
||||
{
|
||||
ux = toupper((int) *x);
|
||||
uy = toupper((int) *y);
|
||||
if (ux > uy)
|
||||
return(1);
|
||||
else if (ux < uy)
|
||||
return(-1);
|
||||
x++;
|
||||
y++;
|
||||
} while ((ux) && (uy));
|
||||
|
||||
return(0);
|
||||
} /* __PHYSFS_platformStricmp */
|
||||
|
||||
|
||||
int __PHYSFS_platformExists(const char *fname)
|
||||
{
|
||||
FILESTATUS3 fs;
|
||||
APIRET rc = DosQueryPathInfo(fname, FIL_STANDARD, &fs, sizeof (fs));
|
||||
return(os2err(rc) == NO_ERROR);
|
||||
} /* __PHYSFS_platformExists */
|
||||
|
||||
|
||||
int __PHYSFS_platformIsSymLink(const char *fname)
|
||||
{
|
||||
return(0); /* no symlinks in OS/2. */
|
||||
} /* __PHYSFS_platformIsSymlink */
|
||||
|
||||
|
||||
int __PHYSFS_platformIsDirectory(const char *fname)
|
||||
{
|
||||
FILESTATUS3 fs;
|
||||
APIRET rc = DosQueryPathInfo(fname, FIL_STANDARD, &fs, sizeof (fs));
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, 0)
|
||||
return((fs.attrFile & FILE_DIRECTORY) != 0);
|
||||
} /* __PHYSFS_platformIsDirectory */
|
||||
|
||||
|
||||
char *__PHYSFS_platformCvtToDependent(const char *prepend,
|
||||
const char *dirName,
|
||||
const char *append)
|
||||
{
|
||||
int len = ((prepend) ? strlen(prepend) : 0) +
|
||||
((append) ? strlen(append) : 0) +
|
||||
strlen(dirName) + 1;
|
||||
char *retval = malloc(len);
|
||||
char *p;
|
||||
|
||||
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
|
||||
|
||||
if (prepend)
|
||||
strcpy(retval, prepend);
|
||||
else
|
||||
retval[0] = '\0';
|
||||
|
||||
strcat(retval, dirName);
|
||||
|
||||
if (append)
|
||||
strcat(retval, append);
|
||||
|
||||
for (p = strchr(retval, '/'); p != NULL; p = strchr(p + 1, '/'))
|
||||
*p = '\\';
|
||||
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformCvtToDependent */
|
||||
|
||||
|
||||
LinkedStringList *__PHYSFS_platformEnumerateFiles(const char *dirname,
|
||||
int omitSymLinks)
|
||||
{
|
||||
char spec[CCHMAXPATH];
|
||||
LinkedStringList *retval = NULL, *p = NULL;
|
||||
FINDFILEBUF3 fb;
|
||||
HDIR hdir = HDIR_CREATE;
|
||||
ULONG count = 1;
|
||||
APIRET rc;
|
||||
|
||||
BAIL_IF_MACRO(strlen(dirname) > sizeof (spec) - 4, ERR_OS_ERROR, NULL);
|
||||
strcpy(spec, dname)
|
||||
strcat(spec, "*.*");
|
||||
|
||||
rc = DosFindFirst(spec, &hdir,
|
||||
FILE_DIRECTORY | FILE_ARCHIVED |
|
||||
FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM,
|
||||
&fb, sizeof (fb), &count, FIL_STANDARD)
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, 0);
|
||||
while (count == 1)
|
||||
{
|
||||
if (strcmp(fb.achName, ".") == 0)
|
||||
continue;
|
||||
|
||||
if (strcmp(fb.achName, "..") == 0)
|
||||
continue;
|
||||
|
||||
retval = __PHYSFS_addToLinkedStringList(retval, &p, fb.achName, -1);
|
||||
|
||||
DosFindNext(hdir, &fb, sizeof (fb), &count);
|
||||
} /* while */
|
||||
|
||||
DosFindClose(hdir);
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformEnumerateFiles */
|
||||
|
||||
|
||||
char *__PHYSFS_platformCurrentDir(void)
|
||||
{
|
||||
char *retval;
|
||||
ULONG currentDisk;
|
||||
ULONG dummy;
|
||||
ULONG pathSize = 0;
|
||||
APIRET rc;
|
||||
BYTE byte;
|
||||
|
||||
rc = DosQueryCurrentDisk(¤tDisk, &dummy);
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, 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. */
|
||||
retval = (char *) malloc(pathSize + 3); /* plus "x:\\" */
|
||||
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
|
||||
|
||||
/* Actually get the string this time. */
|
||||
rc = DosQueryCurrentDir(currentDisk, (PBYTE) (retval + 3), &pathSize);
|
||||
if (os2err(rc) != NO_ERROR)
|
||||
{
|
||||
free(retval);
|
||||
return(NULL);
|
||||
} /* if */
|
||||
|
||||
retval[0] = ('A' + (currentDisk - 1));
|
||||
retval[1] = ':';
|
||||
retval[2] = '\\';
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformCurrentDir */
|
||||
|
||||
|
||||
char *__PHYSFS_platformRealPath(const char *path)
|
||||
{
|
||||
char buf[CCHMAXPATH];
|
||||
char *retval;
|
||||
APIRET rc = DosQueryPathInfo(fname, FIL_QUERYFULLNAME, buf, sizeof (buf));
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, NULL);
|
||||
retval = (char *) malloc(strlen(buf) + 1);
|
||||
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
|
||||
strcpy(retval, buf);
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformRealPath */
|
||||
|
||||
|
||||
int __PHYSFS_platformMkDir(const char *path)
|
||||
{
|
||||
return(os2err(DosCreateDir(path, NULL)) == NO_ERROR);
|
||||
} /* __PHYSFS_platformMkDir */
|
||||
|
||||
|
||||
void *__PHYSFS_platformOpenRead(const char *filename)
|
||||
{
|
||||
ULONG actionTaken = 0;
|
||||
HFILE hfile = NULLHANDLE;
|
||||
|
||||
/*
|
||||
* File must be opened SHARE_DENYWRITE and ACCESS_READONLY, otherwise
|
||||
* DosQueryFileInfo() will fail if we try to get a file length, etc.
|
||||
*/
|
||||
os2err(DosOpen(filename, &hfile, &actionTaken, 0, FILE_NORMAL,
|
||||
OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
|
||||
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY |
|
||||
OPEN_FLAGS_NO_INHERIT | OPEN_SHARE_DENYWRITE |
|
||||
OPEN_ACCESS_READONLY, NULL));
|
||||
|
||||
return((void *) hfile);
|
||||
} /* __PHYSFS_platformOpenRead */
|
||||
|
||||
|
||||
void *__PHYSFS_platformOpenWrite(const char *filename)
|
||||
{
|
||||
ULONG actionTaken = 0;
|
||||
HFILE hfile = NULLHANDLE;
|
||||
|
||||
/*
|
||||
* File must be opened SHARE_DENYWRITE and ACCESS_READWRITE, otherwise
|
||||
* DosQueryFileInfo() will fail if we try to get a file length, etc.
|
||||
*/
|
||||
os2err(DosOpen(filename, &hfile, &actionTaken, 0, FILE_NORMAL,
|
||||
OPEN_ACTION_REPLACE_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW,
|
||||
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY |
|
||||
OPEN_FLAGS_NO_INHERIT | OPEN_SHARE_DENYWRITE |
|
||||
OPEN_ACCESS_READWRITE, NULL));
|
||||
|
||||
return((void *) hfile);
|
||||
} /* __PHYSFS_platformOpenWrite */
|
||||
|
||||
|
||||
void *__PHYSFS_platformOpenAppend(const char *filename)
|
||||
{
|
||||
ULONG dummy = 0;
|
||||
HFILE hfile = NULLHANDLE;
|
||||
|
||||
/*
|
||||
* File must be opened SHARE_DENYWRITE and ACCESS_READWRITE, otherwise
|
||||
* DosQueryFileInfo() will fail if we try to get a file length, etc.
|
||||
*/
|
||||
rc = os2err(DosOpen(filename, &hfile, &dummy, 0, FILE_NORMAL,
|
||||
OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW,
|
||||
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_LOCALITY |
|
||||
OPEN_FLAGS_NO_INHERIT | OPEN_SHARE_DENYWRITE |
|
||||
OPEN_ACCESS_READWRITE, NULL));
|
||||
|
||||
if (rc == NO_ERROR)
|
||||
{
|
||||
if (os2err(DosSetFilePtr(hfile, 0, FILE_END, &dummy)) != NO_ERROR)
|
||||
{
|
||||
DosClose(hfile);
|
||||
hfile = NULLHANDLE;
|
||||
} /* if */
|
||||
} /* if */
|
||||
|
||||
return((void *) hfile);
|
||||
} /* __PHYSFS_platformOpenAppend */
|
||||
|
||||
|
||||
PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
|
||||
PHYSFS_uint32 size, PHYSFS_uint32 count)
|
||||
{
|
||||
HFILE hfile = (HFILE) opaque;
|
||||
PHYSFS_sint64 retval;
|
||||
ULONG br;
|
||||
|
||||
for (retval = 0; retval < count; retval++)
|
||||
{
|
||||
APIRET rc = os2err(DosRead(hfile, buffer, size, &br));
|
||||
if (br < size)
|
||||
{
|
||||
DosSetFilePtr(hfile, -bw, FILE_CURRENT, &br); /* try to cleanup. */
|
||||
return(retval);
|
||||
} /* if */
|
||||
|
||||
buffer = (void *) ( ((char *) buffer) + size) );
|
||||
} /* for */
|
||||
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformRead */
|
||||
|
||||
|
||||
PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
|
||||
PHYSFS_uint32 size, PHYSFS_uint32 count)
|
||||
{
|
||||
HFILE hfile = (HFILE) opaque;
|
||||
PHYSFS_sint64 retval;
|
||||
ULONG bw;
|
||||
|
||||
for (retval = 0; retval < count; retval++)
|
||||
{
|
||||
APIRET rc = os2err(DosWrite(hfile, buffer, size, &bw));
|
||||
if (bw < size)
|
||||
{
|
||||
DosSetFilePtr(hfile, -bw, FILE_CURRENT, &bw); /* try to cleanup. */
|
||||
return(retval);
|
||||
} /* if */
|
||||
|
||||
buffer = (void *) ( ((char *) buffer) + size) );
|
||||
} /* for */
|
||||
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformWrite */
|
||||
|
||||
|
||||
int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
|
||||
{
|
||||
ULONG dummy;
|
||||
HFILE hfile = (HFILE) opaque;
|
||||
LONG dist = (LONG) pos;
|
||||
|
||||
/* hooray for 32-bit filesystem limits! :) */
|
||||
BAIL_IF_MACRO((PHYSFS_uint64) dist != pos, ERR_SEEK_OUT_OF_RANGE, 0);
|
||||
|
||||
return(os2err(DosSetFilePtr(hfile, dist, FILE_BEGIN, &dummy)) == NO_ERROR);
|
||||
} /* __PHYSFS_platformSeek */
|
||||
|
||||
|
||||
PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
|
||||
{
|
||||
ULONG pos;
|
||||
HFILE hfile = (HFILE) opaque;
|
||||
APIRET rc = os2err(DosSetFilePtr(hfile, 0, FILE_CURRENT, &pos));
|
||||
BAIL_IF_MACRO(rc != NO_ERROR, NULL, -1);
|
||||
return((PHYSFS_sint64) pos);
|
||||
} /* __PHYSFS_platformTell */
|
||||
|
||||
|
||||
PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
|
||||
{
|
||||
FILESTATUS3 fs;
|
||||
HFILE hfile = (HFILE) opaque;
|
||||
APIRET rc = DosQueryFileInfo(hfile, FIL_STANDARD, &fs, sizeof (fs));
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, -1);
|
||||
return((PHYSFS_sint64) fs.cbFile);
|
||||
} /* __PHYSFS_platformFileLength */
|
||||
|
||||
|
||||
int __PHYSFS_platformEOF(void *opaque)
|
||||
{
|
||||
PHYSFS_sint64 len, pos;
|
||||
|
||||
len = __PHYSFS_platformFileLength(opaque);
|
||||
BAIL_IF_MACRO(len == -1, NULL, 1); /* (*shrug*) */
|
||||
pos = __PHYSFS_platformTell(opaque);
|
||||
BAIL_IF_MACRO(pos == -1, NULL, 1); /* (*shrug*) */
|
||||
|
||||
return(pos >= len);
|
||||
} /* __PHYSFS_platformEOF */
|
||||
|
||||
|
||||
int __PHYSFS_platformFlush(void *opaque)
|
||||
{
|
||||
return(os2err(DosResetBuffers((HFILE) opaque) == NO_ERROR));
|
||||
} /* __PHYSFS_platformFlush */
|
||||
|
||||
|
||||
int __PHYSFS_platformClose(void *opaque)
|
||||
{
|
||||
return(os2err(DosClose((HFILE) opaque) == NO_ERROR));
|
||||
} /* __PHYSFS_platformClose */
|
||||
|
||||
|
||||
int __PHYSFS_platformDelete(const char *path)
|
||||
{
|
||||
if (__PHYSFS_platformIsDirectory(path))
|
||||
return(os2err(DosDeleteDir(path)) == NO_ERROR);
|
||||
|
||||
return(os2err(DosDelete(path) == NO_ERROR));
|
||||
} /* __PHYSFS_platformDelete */
|
||||
|
||||
|
||||
PHYSFS_sint64 __PHYSFS_platformGetLastModTime(const char *fname)
|
||||
{
|
||||
struct tm tm;
|
||||
FILESTATUS3 fs;
|
||||
APIRET rc = DosQueryPathInfo(fname, FIL_STANDARD, &fs, sizeof (fs));
|
||||
BAIL_IF_MACRO(os2err(rc) != NO_ERROR, NULL, -1);
|
||||
|
||||
/* Convert to a format that mktime() can grok... */
|
||||
tm.tm_sec = ((PHYSFS_uint32) fs.ftimeLastWrite.twosecs) * 2;
|
||||
tm.tm_min = fs.ftimeLastWrite.minutes;
|
||||
tm.tm_hour = fs.ftimeLastWrite.hours;
|
||||
tm.tm_mday = fs.fdateLastWrite.day;
|
||||
tm.tm_mon = fs.fdateLastWrite.month;
|
||||
tm.tm_year = ((PHYSFS_uint32) fs.fdateLastWrite.year) + 80;
|
||||
tm.tm_wday = -1 /*st_localtz.wDayOfWeek*/;
|
||||
tm.tm_yday = -1;
|
||||
tm.tm_isdst = -1;
|
||||
|
||||
/* Convert to a format PhysicsFS can grok... */
|
||||
retval = (PHYSFS_sint64) mktime(&tm);
|
||||
BAIL_IF_MACRO(retval == -1, strerror(errno), -1);
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformGetLastModTime */
|
||||
|
||||
|
||||
/* Much like my college days, try to sleep for 10 milliseconds at a time... */
|
||||
void __PHYSFS_platformTimeslice(void)
|
||||
{
|
||||
DosSleep(10);
|
||||
} /* __PHYSFS_platformTimeslice(void) */
|
||||
|
||||
|
||||
PHYSFS_uint64 __PHYSFS_platformGetThreadID(void)
|
||||
{
|
||||
TIB tib;
|
||||
PIB pib;
|
||||
|
||||
/*
|
||||
* Allegedly, this API never fails, but we'll punt and return a
|
||||
* default value (zero might as well do) if it does.
|
||||
*/
|
||||
BAIL_IF_MACRO(os2err(DosGetInfoBlocks(&tib, &pib)) != NO_ERROR, 0, 0);
|
||||
return((PHYSFS_uint64) tib.tib_ordinal);
|
||||
} /* __PHYSFS_platformGetThreadID */
|
||||
|
||||
|
||||
void *__PHYSFS_platformCreateMutex(void)
|
||||
{
|
||||
HMTX hmtx = NULLHANDLE;
|
||||
os2err(DosCreateMutexSem(NULL, &hmtx, 0, 0));
|
||||
return((void *) hmtx);
|
||||
} /* __PHYSFS_platformCreateMutex */
|
||||
|
||||
|
||||
void __PHYSFS_platformDestroyMutex(void *mutex)
|
||||
{
|
||||
DosCloseMutexSem((HMTX) mutex);
|
||||
} /* __PHYSFS_platformDestroyMutex */
|
||||
|
||||
|
||||
int __PHYSFS_platformGrabMutex(void *mutex)
|
||||
{
|
||||
/* Do _NOT_ call os2err() (which sets the physfs error msg) in here! */
|
||||
return(DosRequestMutexSem((HMTX) mutex, SEM_INDEFINITE_WAIT) == NO_ERROR);
|
||||
} /* __PHYSFS_platformGrabMutex */
|
||||
|
||||
|
||||
void __PHYSFS_platformReleaseMutex(void *mutex)
|
||||
{
|
||||
DosReleaseMutexSem((HMTX) mutex);
|
||||
} /* __PHYSFS_platformReleaseMutex */
|
||||
|
||||
#endif /* defined OS2 */
|
||||
|
||||
/* end of os2.c ... */
|
||||
|
||||
Loading…
Reference in New Issue