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| /programs/develop/open watcom/trunk/clib/h/_comdef.h |
|---|
| 0,0 → 1,171 |
| /* |
| * _comdef.h Common Macro Definitions |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * This file is automatically generated. Do not edit directly. |
| * |
| * ========================================================================= |
| */ |
| #ifndef _COMDEF_H_INCLUDED |
| #define _COMDEF_H_INCLUDED |
| #if !defined(_ENABLE_AUTODEPEND) |
| #pragma read_only_file; |
| #endif |
| #ifdef _WCDATA |
| #error The macro _WCDATA is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCNEAR |
| #error The macro _WCNEAR is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCFAR |
| #error The macro _WCFAR is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCHUGE |
| #error The macro _WCHUGE is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCI86NEAR |
| #error The macro _WCI86NEAR is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCI86FAR |
| #error The macro _WCI86FAR is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCI86HUGE |
| #error The macro _WCI86HUGE is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCINTERRUPT |
| #error The macro _WCINTERRUPT is reserved for use by the runtime library. |
| #endif |
| #ifdef _WCUNALIGNED |
| #error The macro _WCUNALIGNED is reserved for use by the runtime library. |
| #endif |
| #if __WATCOMC__ > 1240 |
| #define _WRTLCALL __declspec(__watcall) |
| #else |
| #define _WRTLCALL |
| #endif |
| #if defined(_M_IX86) |
| #define _WCNEAR __near |
| #define _WCFAR __far |
| #define _WCHUGE __huge |
| #define _WCINTERRUPT __interrupt |
| #define _WCUNALIGNED |
| #if defined(__386__) |
| #define _WCI86NEAR |
| #define _WCI86FAR |
| #define _WCI86HUGE |
| #else |
| #define _WCI86NEAR __near |
| #define _WCI86FAR __far |
| #define _WCI86HUGE __huge |
| #endif |
| #elif defined(__AXP__) |
| #define _WCNEAR |
| #define _WCFAR |
| #define _WCHUGE |
| #define _WCI86NEAR |
| #define _WCI86FAR |
| #define _WCI86HUGE |
| #define _WCINTERRUPT |
| #define _WCUNALIGNED __unaligned |
| #elif defined(__PPC__) |
| #define _WCNEAR |
| #define _WCFAR |
| #define _WCHUGE |
| #define _WCI86NEAR |
| #define _WCI86FAR |
| #define _WCI86HUGE |
| #define _WCINTERRUPT |
| #define _WCUNALIGNED __unaligned |
| #else |
| #define _WCNEAR |
| #define _WCFAR |
| #define _WCHUGE |
| #define _WCI86NEAR |
| #define _WCI86FAR |
| #define _WCI86HUGE |
| #define _WCINTERRUPT |
| #define _WCUNALIGNED |
| #endif |
| #if defined(M_I86HM) |
| #define _WCDATA _WCFAR |
| #elif defined(__SW_ND) || defined(__FUNCTION_DATA_ACCESS) |
| #define _WCDATA |
| #else |
| #define _WCDATA _WCNEAR |
| #endif |
| #if defined(__SW_BR) |
| #if defined(__NT__) |
| #define _WCRTLINK __declspec(dllimport) _WRTLCALL |
| #define _WCRTLINKD __declspec(dllimport) |
| #define _WMRTLINK __declspec(dllimport) _WRTLCALL |
| #define _WMRTLINKD __declspec(dllimport) |
| #define _WPRTLINK __declspec(dllimport) _WRTLCALL |
| #define _WPRTLINKD __declspec(dllimport) |
| #elif defined(__OS2__) && (defined(__386__) || defined(__PPC__)) |
| #define _WCRTLINK _WRTLCALL |
| #define _WCRTLINKD |
| #define _WMRTLINK _WRTLCALL |
| #define _WMRTLINKD |
| #define _WPRTLINK _WRTLCALL |
| #define _WPRTLINKD |
| #else |
| #define _WCRTLINK _WRTLCALL |
| #define _WCRTLINKD |
| #define _WMRTLINK _WRTLCALL |
| #define _WMRTLINKD |
| #define _WPRTLINK _WRTLCALL |
| #define _WPRTLINKD |
| #endif |
| #else |
| #ifndef _WCRTLINK |
| #define _WCRTLINK _WRTLCALL |
| #endif |
| #ifndef _WCRTLINKD |
| #define _WCRTLINKD |
| #endif |
| #ifndef _WMRTLINK |
| #define _WMRTLINK _WRTLCALL |
| #endif |
| #ifndef _WMRTLINKD |
| #define _WMRTLINKD |
| #endif |
| #ifndef _WPRTLINK |
| #define _WPRTLINK _WRTLCALL |
| #endif |
| #ifndef _WPRTLINKD |
| #define _WPRTLINKD |
| #endif |
| #endif |
| /* control import modifier on intrinsic functions */ |
| #ifndef _WCIRTLINK |
| #if defined(__INLINE_FUNCTIONS__) |
| #define _WCIRTLINK _WRTLCALL |
| #else |
| #define _WCIRTLINK _WCRTLINK |
| #endif |
| #endif |
| #ifndef _WMIRTLINK |
| #if defined(__NO_MATH_OPS) || defined(__AXP__) || defined(__PPC__) |
| #define _WMIRTLINK _WMRTLINK |
| #else |
| #define _WMIRTLINK _WRTLCALL |
| #endif |
| #endif |
| #ifndef _WPIRTLINK |
| #define _WPIRTLINK _WPRTLINK |
| #endif |
| /* for MS compatibility */ |
| #ifndef _CRTAPI1 |
| #define _CRTAPI1 |
| #endif |
| #ifndef _CRTAPI2 |
| #define _CRTAPI2 |
| #endif |
| #ifndef _CRTIMP |
| #define _CRTIMP _WCRTLINK |
| #endif |
| #endif |
| /programs/develop/open watcom/trunk/clib/handleio/filelen.c |
|---|
| 0,0 → 1,73 |
| /**************************************************************************** |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * This file contains Original Code and/or Modifications of Original |
| * Code as defined in and that are subject to the Sybase Open Watcom |
| * Public License version 1.0 (the 'License'). You may not use this file |
| * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
| * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
| * provided with the Original Code and Modifications, and is also |
| * available at www.sybase.com/developer/opensource. |
| * |
| * The Original Code and all software distributed under the License are |
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
| * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
| * NON-INFRINGEMENT. Please see the License for the specific language |
| * governing rights and limitations under the License. |
| * |
| * ======================================================================== |
| * |
| * Description: Implements POSIX filelength() function and Watcom |
| * _filelength64(). |
| * |
| ****************************************************************************/ |
| #include "variety.h" |
| /* most includes should go after this line */ |
| #include <stdio.h> |
| #include <unistd.h> |
| #include "iomode.h" |
| #include "rtcheck.h" |
| typedef struct |
| { |
| char *name; |
| unsigned int offset; |
| }__file_handle; |
| typedef struct |
| { DWORD attr; |
| DWORD flags; |
| DWORD cr_time; |
| DWORD cr_date; |
| DWORD acc_time; |
| DWORD acc_date; |
| DWORD mod_time; |
| DWORD mod_date; |
| DWORD size; |
| DWORD size_high; |
| } FILEINFO; |
| int _stdcall get_fileinfo(const char *name,FILEINFO* pinfo); |
| _WCRTLINK long filelength( int handle ) |
| { |
| __file_handle *fh; |
| FILEINFO info; |
| __handle_check( handle, -1 ); |
| fh = (__file_handle*) __getOSHandle( handle); |
| get_fileinfo(fh->name,&info); |
| return( info.size ); |
| } |
| /programs/develop/open watcom/trunk/clib/handleio/int64.h |
|---|
| 0,0 → 1,94 |
| /**************************************************************************** |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * This file contains Original Code and/or Modifications of Original |
| * Code as defined in and that are subject to the Sybase Open Watcom |
| * Public License version 1.0 (the 'License'). You may not use this file |
| * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
| * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
| * provided with the Original Code and Modifications, and is also |
| * available at www.sybase.com/developer/opensource. |
| * |
| * The Original Code and all software distributed under the License are |
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
| * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
| * NON-INFRINGEMENT. Please see the License for the specific language |
| * governing rights and limitations under the License. |
| * |
| * ======================================================================== |
| * |
| * Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE |
| * DESCRIBE IT HERE! |
| * |
| ****************************************************************************/ |
| #ifndef _INT64_H_INCLUDED |
| #define _INT64_H_INCLUDED |
| #include "variety.h" |
| #ifdef __WATCOM_INT64__ |
| #define USE_INT64 |
| #endif |
| #include "clibi64.h" |
| #ifdef __INT64__ |
| #define INT_TYPE INT64_TYPE |
| #define UINT_TYPE UINT64_TYPE |
| #define LONG_TYPE INT64_TYPE |
| #define ULONG_TYPE UINT64_TYPE |
| #define __I64NAME(_n1,_n2) _n2 |
| #if !defined(USE_INT64) |
| #define __int64 double |
| #define REAL_INT_TYPE double |
| #define GET_INT64(__d) ( *( (INT_TYPE*)(&(__d)) ) ) |
| #define GET_UINT64(__d) ( *( (UINT_TYPE*)(&(__d)) ) ) |
| #define GET_REALINT64(__i) ( *( (double*)(&(__i)) ) ) |
| #define GET_REALUINT64(__i) ( *( (double*)(&(__i)) ) ) |
| #define HIGHWORD(__w,__i) (__w) = (unsigned)(__i).u._32[I64HI32] |
| #define LOWWORD(__w,__i) (__w) = (unsigned)(__i).u._32[I64LO32] |
| #define MAKE_INT64(__i,__h,__l) { \ |
| (__i).u._32[I64HI32] = (__h); \ |
| (__i).u._32[I64LO32] = (__l); \ |
| } |
| #define RETURN_INT64(__i) return( GET_REALINT64(__i) ) |
| #else |
| #define REAL_INT_TYPE __int64 |
| #define GET_INT64(__d) ( __d ) |
| #define GET_UINT64(__d) ( __d ) |
| #define GET_REALINT64(__i) ( __i ) |
| #define GET_REALUINT64(__i) ( __i ) |
| #define HIGHWORD(__w,__i) (__w) = (unsigned)( (__i) >> 32 ) |
| #define LOWWORD(__w,__i) (__w) = (unsigned)(__i) |
| #define MAKE_INT64(__i,__h,__l) (__i) = ( ((INT_TYPE)(__h)) << 32 ) | (__l) |
| #define RETURN_INT64(__i) return( __i ) |
| #endif |
| #else |
| #define INT_TYPE int |
| #define UINT_TYPE unsigned int |
| #define LONG_TYPE long |
| #define ULONG_TYPE unsigned long |
| #define __I64NAME(_n1,_n2) _n1 |
| #endif |
| #define INTSIZE ( sizeof( INT_TYPE ) ) |
| #endif |
| /programs/develop/open watcom/trunk/clib/handleio/write.c |
|---|
| 0,0 → 1,286 |
| /**************************************************************************** |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * This file contains Original Code and/or Modifications of Original |
| * Code as defined in and that are subject to the Sybase Open Watcom |
| * Public License version 1.0 (the 'License'). You may not use this file |
| * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
| * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
| * provided with the Original Code and Modifications, and is also |
| * available at www.sybase.com/developer/opensource. |
| * |
| * The Original Code and all software distributed under the License are |
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
| * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
| * NON-INFRINGEMENT. Please see the License for the specific language |
| * governing rights and limitations under the License. |
| * |
| * ======================================================================== |
| * |
| * Description: C Runtime write() and _lwrite() implementation. |
| * |
| ****************************************************************************/ |
| #include "variety.h" |
| #include "int64.h" |
| #include <stdio.h> |
| #include <io.h> |
| #include <fcntl.h> |
| #include <malloc.h> |
| #include <errno.h> |
| #include <stddef.h> |
| #include <string.h> |
| #include "iomode.h" |
| #include "fileacc.h" |
| #include "rtcheck.h" |
| #include "rtdata.h" |
| #include "seterrno.h" |
| #include "lseek.h" |
| /* |
| The _lwrite function writes data to the specified file. |
| Note: This function is provided only for compatibility with 16-bit |
| versions of Windows. Win32-based applications should use the WriteFile |
| function. |
| UINT _lwrite( |
| HFILE hFile, // handle to file |
| LPCSTR lpBuffer, // write data buffer |
| UINT uBytes // number of bytes to write |
| ); |
| */ |
| extern void __STKOVERFLOW(); |
| /* |
| Win32 Note: |
| Note that it is not an error to set the file pointer to a position |
| beyond the end of the file. The size of the file does not increase |
| until you call the SetEndOfFile, WriteFile, or WriteFileEx function. A |
| write operation increases the size of the file to the file pointer |
| position plus the size of the buffer written, leaving the intervening |
| bytes uninitialized. Hence, the reason for zero-padding the file |
| to achieve POSIX conformance. |
| */ |
| /* |
| POSIX Note: |
| When writing to a file that does not support seek operations (pipe, |
| device, etc.), the O_APPEND flag is effectively ignored. POSIX does |
| not explicitly state this, but it is implied. Also, ESPIPE (illegal |
| seek error) is not listed for write(), only pwrite(). Hence we must |
| either not attempt to seek on such devices, or ignore the failures. |
| */ |
| #define PAD_SIZE 512 |
| typedef union { |
| unsigned __int64 _64; |
| long _32[2]; |
| } __i64; |
| static int zero_pad( int handle ) /* 09-jan-95 */ |
| /*******************************/ |
| { |
| int rc; |
| long curPos, eodPos; |
| long bytesToWrite; |
| unsigned writeAmt; |
| char zeroBuf[PAD_SIZE]; |
| // Pad with zeros due to lseek() past EOF (POSIX) |
| curPos = __lseek( handle, 0L, SEEK_CUR ); /* current offset */ |
| if( curPos == -1 ) |
| return( -1 ); |
| eodPos = __lseek( handle, 0L, SEEK_END ); /* end of data offset */ |
| if( eodPos == -1 ) |
| return( -1 ); |
| if( curPos > eodPos ) { |
| bytesToWrite = curPos - eodPos; /* amount to pad by */ |
| if( bytesToWrite > 0 ) { /* only write if needed */ |
| memset( zeroBuf, 0x00, PAD_SIZE ); /* zero out a buffer */ |
| do { /* loop until done */ |
| if( bytesToWrite > PAD_SIZE ) |
| writeAmt = 512; |
| else |
| writeAmt = (unsigned)bytesToWrite; |
| rc = write( handle, zeroBuf, writeAmt ); |
| if( rc < 0 ) |
| return( rc ); |
| bytesToWrite -= writeAmt; /* more bytes written */ |
| } while( bytesToWrite != 0 ); |
| } |
| } else { |
| curPos = __lseek( handle, curPos, SEEK_SET ); |
| if( curPos == -1 ) { |
| return( -1 ); |
| } |
| } |
| return( 0 ); /* return success code */ |
| } |
| /* |
| The os_write function returns 0 meaning no error, -1 meaning error, or |
| ENOSPC meaning no space left on device. |
| */ |
| typedef struct |
| { |
| char *name; |
| unsigned int offset; |
| }__file_handle; |
| int _stdcall write_file (const char *name,const void* buff,unsigned offset, unsigned count,unsigned *reads); |
| static int os_write( int handle, const void *buffer, unsigned len, unsigned *amt ) |
| /********************************************************************************/ |
| { |
| __file_handle *fh; |
| int rc; |
| rc = 0; |
| fh = (__file_handle*) __getOSHandle( handle ); |
| if(write_file(fh->name,buffer,fh->offset,len,amt)) |
| { |
| rc = __set_errno_nt(); |
| }; |
| if( *amt != len ) |
| { |
| rc = ENOSPC; |
| __set_errno( rc ); |
| } |
| return( rc ); |
| } |
| _WCRTLINK int write( int handle, const void *buffer, unsigned len ) |
| /**********************************************************************/ |
| { |
| unsigned iomode_flags; |
| char *buf; |
| unsigned buf_size; |
| unsigned len_written, i, j; |
| int rc2; |
| __file_handle *fh; |
| __handle_check( handle, -1 ); |
| iomode_flags = __GetIOMode( handle ); |
| if( iomode_flags == 0 ) |
| { |
| __set_errno( EBADF ); |
| return( -1 ); |
| } |
| if( !(iomode_flags & _WRITE) ) { |
| __set_errno( EACCES ); /* changed from EBADF to EACCES 23-feb-89 */ |
| return( -1 ); |
| } |
| fh = (__file_handle*) __getOSHandle( handle ); |
| // put a semaphore around our writes |
| _AccessFileH( handle ); |
| if( (iomode_flags & _APPEND) && !(iomode_flags & _ISTTY) ) |
| { |
| fh->offset = __lseek( handle, 0L, SEEK_END ); /* end of data offset */ |
| } |
| len_written = 0; |
| rc2 = 0; |
| // Pad the file with zeros if necessary |
| if( iomode_flags & _FILEEXT ) { |
| // turn off file extended flag |
| __SetIOMode_nogrow( handle, iomode_flags&(~_FILEEXT) ); |
| // It is not required to pad a file with zeroes on an NTFS file system; |
| // unfortunately it is required on FAT (and probably FAT32). (JBS) |
| rc2 = zero_pad( handle ); |
| } |
| if( rc2 == 0 ) { |
| if( iomode_flags & _BINARY ) { /* if binary mode */ |
| rc2 = os_write( handle, buffer, len, &len_written ); |
| /* end of binary mode part */ |
| } else { /* text mode */ |
| i = stackavail(); |
| if( i < 0x00b0 ) { |
| __STKOVERFLOW(); /* not enough stack space */ |
| } |
| buf_size = 512; |
| if( i < (512 + 48) ) { |
| buf_size = 128; |
| } |
| buf = __alloca( buf_size ); |
| j = 0; |
| for( i = 0; i < len; ) |
| { |
| if( ((const char*)buffer)[i] == '\n' ) |
| { |
| buf[j] = '\r'; |
| ++j; |
| if( j == buf_size ) |
| { |
| rc2 = os_write( handle, buf, buf_size, &j ); |
| if( rc2 == -1 ) |
| break; |
| len_written += j; |
| if( rc2 == ENOSPC ) |
| break; |
| len_written = i; |
| j = 0; |
| } |
| } |
| buf[j] = ((const char*)buffer)[i]; |
| ++i; |
| ++j; |
| if( j == buf_size ) { |
| rc2 = os_write( handle, buf, buf_size, &j ); |
| if( rc2 == -1 ) |
| break; |
| len_written += j; |
| if( rc2 == ENOSPC ) |
| break; |
| len_written = i; |
| j = 0; |
| } |
| } |
| if( j ) { |
| rc2 = os_write( handle, buf, j, &i ); |
| if( rc2 == ENOSPC ) { |
| len_written += i; |
| } else { |
| len_written = len; |
| } |
| } |
| /* end of text mode part */ |
| } |
| } |
| _ReleaseFileH( handle ); |
| if( rc2 == -1 ) { |
| return( rc2 ); |
| } else { |
| return( len_written ); |
| } |
| } |