mirror of
				https://github.com/ossrs/srs.git
				synced 2025-03-09 15:49:59 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			361 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			361 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
 | |
|  *
 | |
|  * Licensed under the OpenSSL license (the "License").  You may not use
 | |
|  * this file except in compliance with the License.  You can obtain a copy
 | |
|  * in the file LICENSE in the source distribution or at
 | |
|  * https://www.openssl.org/source/license.html
 | |
|  */
 | |
| 
 | |
| # include <openssl/e_os2.h>
 | |
| #ifndef CHARSET_EBCDIC
 | |
| NON_EMPTY_TRANSLATION_UNIT
 | |
| #else
 | |
| 
 | |
| # include <openssl/ebcdic.h>
 | |
| 
 | |
| # ifdef CHARSET_EBCDIC_TEST
 | |
| /*
 | |
|  * Here we're looking to test the EBCDIC code on an ASCII system so we don't do
 | |
|  * any translation in these tables at all.
 | |
|  */
 | |
| 
 | |
| /* The ebcdic-to-ascii table: */
 | |
| const unsigned char os_toascii[256] = {
 | |
|     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 | |
|     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
 | |
|     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 | |
|     0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
 | |
|     0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
 | |
|     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
 | |
|     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
 | |
|     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 | |
|     0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
 | |
|     0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
 | |
|     0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
 | |
|     0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
 | |
|     0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
 | |
|     0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
 | |
|     0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
 | |
|     0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
 | |
|     0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
 | |
|     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
 | |
|     0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
 | |
|     0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
 | |
|     0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
 | |
|     0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
 | |
|     0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
 | |
|     0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
 | |
|     0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
 | |
|     0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
 | |
|     0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
 | |
|     0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
 | |
|     0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
 | |
|     0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
 | |
|     0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
 | |
|     0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
 | |
| };
 | |
| 
 | |
| /* The ascii-to-ebcdic table: */
 | |
| const unsigned char os_toebcdic[256] = {
 | |
|     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 | |
|     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
 | |
|     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 | |
|     0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
 | |
|     0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
 | |
|     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
 | |
|     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
 | |
|     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 | |
|     0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
 | |
|     0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
 | |
|     0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
 | |
|     0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
 | |
|     0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
 | |
|     0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
 | |
|     0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
 | |
|     0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
 | |
|     0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
 | |
|     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
 | |
|     0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
 | |
|     0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
 | |
|     0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
 | |
|     0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
 | |
|     0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
 | |
|     0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
 | |
|     0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
 | |
|     0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
 | |
|     0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
 | |
|     0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
 | |
|     0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
 | |
|     0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
 | |
|     0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
 | |
|     0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
 | |
| };
 | |
| 
 | |
| # elif defined(_OSD_POSIX)
 | |
| /*
 | |
|  * "BS2000 OSD" is a POSIX subsystem on a main frame. It is made by Siemens
 | |
|  * AG, Germany, for their BS2000 mainframe machines. Within the POSIX
 | |
|  * subsystem, the same character set was chosen as in "native BS2000", namely
 | |
|  * EBCDIC. (EDF04)
 | |
|  *
 | |
|  * The name "ASCII" in these routines is misleading: actually, conversion is
 | |
|  * not between EBCDIC and ASCII, but EBCDIC(EDF04) and ISO-8859.1; that means
 | |
|  * that (western european) national characters are preserved.
 | |
|  *
 | |
|  * This table is identical to the one used by rsh/rcp/ftp and other POSIX
 | |
|  * tools.
 | |
|  */
 | |
| 
 | |
| /* Here's the bijective ebcdic-to-ascii table: */
 | |
| const unsigned char os_toascii[256] = {
 | |
|     /*
 | |
|      * 00
 | |
|      */ 0x00, 0x01, 0x02, 0x03, 0x85, 0x09, 0x86, 0x7f,
 | |
|     0x87, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
 | |
|     /*
 | |
|      * 10
 | |
|      */ 0x10, 0x11, 0x12, 0x13, 0x8f, 0x0a, 0x08, 0x97,
 | |
|     0x18, 0x19, 0x9c, 0x9d, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
 | |
|     /*
 | |
|      * 20
 | |
|      */ 0x80, 0x81, 0x82, 0x83, 0x84, 0x92, 0x17, 0x1b,
 | |
|     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07, /* ................ */
 | |
|     /*
 | |
|      * 30
 | |
|      */ 0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04,
 | |
|     0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a, /* ................ */
 | |
|     /*
 | |
|      * 40
 | |
|      */ 0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5,
 | |
|     0xe7, 0xf1, 0x60, 0x2e, 0x3c, 0x28, 0x2b, 0x7c, /* .........`.<(+| */
 | |
|     /*
 | |
|      * 50
 | |
|      */ 0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef,
 | |
|     0xec, 0xdf, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x9f, /* &.........!$*);. */
 | |
|     /*
 | |
|      * 60
 | |
|      */ 0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5,
 | |
|     0xc7, 0xd1, 0x5e, 0x2c, 0x25, 0x5f, 0x3e, 0x3f,    /*-/........^,%_>?*/
 | |
|     /*
 | |
|      * 70
 | |
|      */ 0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf,
 | |
|     0xcc, 0xa8, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22, /* ..........:#@'=" */
 | |
|     /*
 | |
|      * 80
 | |
|      */ 0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
 | |
|     0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1, /* .abcdefghi...... */
 | |
|     /*
 | |
|      * 90
 | |
|      */ 0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
 | |
|     0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4, /* .jklmnopqr...... */
 | |
|     /*
 | |
|      * a0
 | |
|      */ 0xb5, 0xaf, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
 | |
|     0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0xdd, 0xde, 0xae, /* ..stuvwxyz...... */
 | |
|     /*
 | |
|      * b0
 | |
|      */ 0xa2, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc,
 | |
|     0xbd, 0xbe, 0xac, 0x5b, 0x5c, 0x5d, 0xb4, 0xd7, /* ...........[\].. */
 | |
|     /*
 | |
|      * c0
 | |
|      */ 0xf9, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
 | |
|     0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5, /* .ABCDEFGHI...... */
 | |
|     /*
 | |
|      * d0
 | |
|      */ 0xa6, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
 | |
|     0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xdb, 0xfa, 0xff, /* .JKLMNOPQR...... */
 | |
|     /*
 | |
|      * e0
 | |
|      */ 0xd9, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
 | |
|     0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5, /* ..STUVWXYZ...... */
 | |
|     /*
 | |
|      * f0
 | |
|      */ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
 | |
|     0x38, 0x39, 0xb3, 0x7b, 0xdc, 0x7d, 0xda, 0x7e /* 0123456789.{.}.~ */
 | |
| };
 | |
| 
 | |
| /* The ascii-to-ebcdic table: */
 | |
| const unsigned char os_toebcdic[256] = {
 | |
|     /*
 | |
|      * 00
 | |
|      */ 0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f,
 | |
|     0x16, 0x05, 0x15, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
 | |
|     /*
 | |
|      * 10
 | |
|      */ 0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26,
 | |
|     0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
 | |
|     /*
 | |
|      * 20
 | |
|      */ 0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d,
 | |
|     0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61, /* !"#$%&'()*+,-./ */
 | |
|     /*
 | |
|      * 30
 | |
|      */ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
 | |
|     0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f, /* 0123456789:;<=>? */
 | |
|     /*
 | |
|      * 40
 | |
|      */ 0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
 | |
|     0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, /* @ABCDEFGHIJKLMNO */
 | |
|     /*
 | |
|      * 50
 | |
|      */ 0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6,
 | |
|     0xe7, 0xe8, 0xe9, 0xbb, 0xbc, 0xbd, 0x6a, 0x6d, /* PQRSTUVWXYZ[\]^_ */
 | |
|     /*
 | |
|      * 60
 | |
|      */ 0x4a, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
 | |
|     0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, /* `abcdefghijklmno */
 | |
|     /*
 | |
|      * 70
 | |
|      */ 0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6,
 | |
|     0xa7, 0xa8, 0xa9, 0xfb, 0x4f, 0xfd, 0xff, 0x07, /* pqrstuvwxyz{|}~. */
 | |
|     /*
 | |
|      * 80
 | |
|      */ 0x20, 0x21, 0x22, 0x23, 0x24, 0x04, 0x06, 0x08,
 | |
|     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x14, /* ................ */
 | |
|     /*
 | |
|      * 90
 | |
|      */ 0x30, 0x31, 0x25, 0x33, 0x34, 0x35, 0x36, 0x17,
 | |
|     0x38, 0x39, 0x3a, 0x3b, 0x1a, 0x1b, 0x3e, 0x5f, /* ................ */
 | |
|     /*
 | |
|      * a0
 | |
|      */ 0x41, 0xaa, 0xb0, 0xb1, 0x9f, 0xb2, 0xd0, 0xb5,
 | |
|     0x79, 0xb4, 0x9a, 0x8a, 0xba, 0xca, 0xaf, 0xa1, /* ................ */
 | |
|     /*
 | |
|      * b0
 | |
|      */ 0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3,
 | |
|     0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab, /* ................ */
 | |
|     /*
 | |
|      * c0
 | |
|      */ 0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68,
 | |
|     0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77, /* ................ */
 | |
|     /*
 | |
|      * d0
 | |
|      */ 0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf,
 | |
|     0x80, 0xe0, 0xfe, 0xdd, 0xfc, 0xad, 0xae, 0x59, /* ................ */
 | |
|     /*
 | |
|      * e0
 | |
|      */ 0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48,
 | |
|     0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57, /* ................ */
 | |
|     /*
 | |
|      * f0
 | |
|      */ 0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1,
 | |
|     0x70, 0xc0, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf /* ................ */
 | |
| };
 | |
| 
 | |
| # else /*_OSD_POSIX*/
 | |
| 
 | |
| /*
 | |
|  * This code does basic character mapping for IBM's TPF and OS/390 operating
 | |
|  * systems. It is a modified version of the BS2000 table.
 | |
|  *
 | |
|  * Bijective EBCDIC (character set IBM-1047) to US-ASCII table: This table is
 | |
|  * bijective - there are no ambiguous or duplicate characters.
 | |
|  */
 | |
| const unsigned char os_toascii[256] = {
 | |
|     0x00, 0x01, 0x02, 0x03, 0x85, 0x09, 0x86, 0x7f, /* 00-0f: */
 | |
|     0x87, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
 | |
|     0x10, 0x11, 0x12, 0x13, 0x8f, 0x0a, 0x08, 0x97, /* 10-1f: */
 | |
|     0x18, 0x19, 0x9c, 0x9d, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
 | |
|     0x80, 0x81, 0x82, 0x83, 0x84, 0x92, 0x17, 0x1b, /* 20-2f: */
 | |
|     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07, /* ................ */
 | |
|     0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, /* 30-3f: */
 | |
|     0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a, /* ................ */
 | |
|     0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5, /* 40-4f: */
 | |
|     0xe7, 0xf1, 0xa2, 0x2e, 0x3c, 0x28, 0x2b, 0x7c, /* ...........<(+| */
 | |
|     0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef, /* 50-5f: */
 | |
|     0xec, 0xdf, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x5e, /* &.........!$*);^ */
 | |
|     0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5, /* 60-6f: */
 | |
|     0xc7, 0xd1, 0xa6, 0x2c, 0x25, 0x5f, 0x3e, 0x3f, /* -/.........,%_>? */
 | |
|     0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf, /* 70-7f: */
 | |
|     0xcc, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22, /* .........`:#@'=" */
 | |
|     0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 80-8f: */
 | |
|     0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1, /* .abcdefghi...... */
 | |
|     0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, /* 90-9f: */
 | |
|     0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4, /* .jklmnopqr...... */
 | |
|     0xb5, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, /* a0-af: */
 | |
|     0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0x5b, 0xde, 0xae, /* .~stuvwxyz...[.. */
 | |
|     0xac, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc, /* b0-bf: */
 | |
|     0xbd, 0xbe, 0xdd, 0xa8, 0xaf, 0x5d, 0xb4, 0xd7, /* .............].. */
 | |
|     0x7b, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* c0-cf: */
 | |
|     0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5, /* {ABCDEFGHI...... */
 | |
|     0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, /* d0-df: */
 | |
|     0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xf9, 0xfa, 0xff, /* }JKLMNOPQR...... */
 | |
|     0x5c, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, /* e0-ef: */
 | |
|     0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5, /* \.STUVWXYZ...... */
 | |
|     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* f0-ff: */
 | |
|     0x38, 0x39, 0xb3, 0xdb, 0xdc, 0xd9, 0xda, 0x9f /* 0123456789...... */
 | |
| };
 | |
| 
 | |
| /*
 | |
|  * The US-ASCII to EBCDIC (character set IBM-1047) table: This table is
 | |
|  * bijective (no ambiguous or duplicate characters)
 | |
|  */
 | |
| const unsigned char os_toebcdic[256] = {
 | |
|     0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f, /* 00-0f: */
 | |
|     0x16, 0x05, 0x15, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
 | |
|     0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26, /* 10-1f: */
 | |
|     0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
 | |
|     0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d, /* 20-2f: */
 | |
|     0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61, /* !"#$%&'()*+,-./ */
 | |
|     0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 30-3f: */
 | |
|     0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f, /* 0123456789:;<=>? */
 | |
|     0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 40-4f: */
 | |
|     0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, /* @ABCDEFGHIJKLMNO */
 | |
|     0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, /* 50-5f: */
 | |
|     0xe7, 0xe8, 0xe9, 0xad, 0xe0, 0xbd, 0x5f, 0x6d, /* PQRSTUVWXYZ[\]^_ */
 | |
|     0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 60-6f: */
 | |
|     0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, /* `abcdefghijklmno */
 | |
|     0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, /* 70-7f: */
 | |
|     0xa7, 0xa8, 0xa9, 0xc0, 0x4f, 0xd0, 0xa1, 0x07, /* pqrstuvwxyz{|}~. */
 | |
|     0x20, 0x21, 0x22, 0x23, 0x24, 0x04, 0x06, 0x08, /* 80-8f: */
 | |
|     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x14, /* ................ */
 | |
|     0x30, 0x31, 0x25, 0x33, 0x34, 0x35, 0x36, 0x17, /* 90-9f: */
 | |
|     0x38, 0x39, 0x3a, 0x3b, 0x1a, 0x1b, 0x3e, 0xff, /* ................ */
 | |
|     0x41, 0xaa, 0x4a, 0xb1, 0x9f, 0xb2, 0x6a, 0xb5, /* a0-af: */
 | |
|     0xbb, 0xb4, 0x9a, 0x8a, 0xb0, 0xca, 0xaf, 0xbc, /* ................ */
 | |
|     0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3, /* b0-bf: */
 | |
|     0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab, /* ................ */
 | |
|     0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68, /* c0-cf: */
 | |
|     0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77, /* ................ */
 | |
|     0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf, /* d0-df: */
 | |
|     0x80, 0xfd, 0xfe, 0xfb, 0xfc, 0xba, 0xae, 0x59, /* ................ */
 | |
|     0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48, /* e0-ef: */
 | |
|     0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57, /* ................ */
 | |
|     0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1, /* f0-ff: */
 | |
|     0x70, 0xdd, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf /* ................ */
 | |
| };
 | |
| # endif/*_OSD_POSIX*/
 | |
| 
 | |
| /*
 | |
|  * Translate a memory block from EBCDIC (host charset) to ASCII (net charset)
 | |
|  * dest and srce may be identical, or separate memory blocks, but should not
 | |
|  * overlap. These functions intentionally have an interface compatible to
 | |
|  * memcpy(3).
 | |
|  */
 | |
| 
 | |
| void *ebcdic2ascii(void *dest, const void *srce, size_t count)
 | |
| {
 | |
|     unsigned char *udest = dest;
 | |
|     const unsigned char *usrce = srce;
 | |
| 
 | |
|     while (count-- != 0) {
 | |
|         *udest++ = os_toascii[*usrce++];
 | |
|     }
 | |
| 
 | |
|     return dest;
 | |
| }
 | |
| 
 | |
| void *ascii2ebcdic(void *dest, const void *srce, size_t count)
 | |
| {
 | |
|     unsigned char *udest = dest;
 | |
|     const unsigned char *usrce = srce;
 | |
| 
 | |
|     while (count-- != 0) {
 | |
|         *udest++ = os_toebcdic[*usrce++];
 | |
|     }
 | |
| 
 | |
|     return dest;
 | |
| }
 | |
| 
 | |
| #endif
 |