1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #include "FEATURE/uwin" 23 24 #if !_UWIN || _lib_a64l 25 26 void _STUB_a64l(){} 27 28 #else 29 30 #define a64l ______a64l 31 #define l64a ______l64a 32 33 #include <stdlib.h> 34 #include <string.h> 35 36 #undef a64l 37 #undef l64a 38 39 #if defined(__EXPORT__) 40 #define extern __EXPORT__ 41 #endif 42 43 static char letter[65] = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; 44 45 extern long a64l(const char *str) 46 { 47 register unsigned long ul = 0; 48 register int n = 6; 49 register int c; 50 register char *cp; 51 for(n=0; n <6; n++) 52 { 53 if((c= *str++)==0) 54 break; 55 if(!(cp=strchr(letter,c))) 56 break; 57 ul |= (cp-letter)<< (6*n); 58 } 59 return((long)ul); 60 } 61 62 extern char *l64a(long l) 63 { 64 static char buff[7]; 65 unsigned ul = ((unsigned long)l & 0xffffffff); 66 register char *cp = buff; 67 while(ul>0) 68 { 69 *cp++ = letter[ul&077]; 70 ul >>= 6; 71 } 72 *cp = 0; 73 return(buff); 74 } 75 76 #endif 77