projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9385eb3d A |
1 | /* |
| 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 9385eb3d A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 12 | * | |
| 13 | * The Original Code and all software distributed under the License are | |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| 20 | * | |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| 5b2abdfb A |
23 | /* |
| 24 | * Written by J.T. Conklin <jtc@netbsd.org>. | |
| 25 | * Public domain. | |
| 26 | */ | |
| 27 | ||
| 28 | #if defined(LIBC_SCCS) && !defined(lint) | |
| 29 | static char *rcsid = "$OpenBSD: l64a.c,v 1.3 1997/08/17 22:58:34 millert Exp $"; | |
| 30 | #endif /* LIBC_SCCS and not lint */ | |
| 31 | ||
| 32 | #include <errno.h> | |
| 33 | #include <stdlib.h> | |
| 34 | ||
| 35 | char * | |
| 36 | l64a(value) | |
| 37 | long value; | |
| 38 | { | |
| 39 | static char buf[8]; | |
| 40 | char *s = buf; | |
| 41 | int digit; | |
| 42 | int i; | |
| 43 | ||
| 44 | if (value < 0) { | |
| 45 | errno = EINVAL; | |
| 46 | return(NULL); | |
| 47 | } | |
| 48 | ||
| 49 | for (i = 0; value != 0 && i < 6; i++) { | |
| 50 | digit = value & 0x3f; | |
| 51 | ||
| 52 | if (digit < 2) | |
| 53 | *s = digit + '.'; | |
| 54 | else if (digit < 12) | |
| 55 | *s = digit + '0' - 2; | |
| 56 | else if (digit < 38) | |
| 57 | *s = digit + 'A' - 12; | |
| 58 | else | |
| 59 | *s = digit + 'a' - 38; | |
| 60 | ||
| 61 | value >>= 6; | |
| 62 | s++; | |
| 63 | } | |
| 64 | ||
| 65 | *s = '\0'; | |
| 66 | ||
| 67 | return(buf); | |
| 68 | } | |
| 69 |