| 1 | /*␊ |
| 2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
| 7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
| 8 | * Original Code as defined in and that are subject to the Apple Public␊ |
| 9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
| 10 | * except in compliance with the License. Please obtain a copy of the␊ |
| 11 | * License at http://www.apple.com/publicsource and read it before using␊ |
| 12 | * this file.␊ |
| 13 | * ␊ |
| 14 | * The Original Code and all software distributed under the License are␊ |
| 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
| 19 | * License for the specific language governing rights and limitations␊ |
| 20 | * under the License.␊ |
| 21 | * ␊ |
| 22 | * @APPLE_LICENSE_HEADER_END@␊ |
| 23 | */␊ |
| 24 | /*␊ |
| 25 | * Copyright 1993 NeXT, Inc.␊ |
| 26 | * All rights reserved.␊ |
| 27 | */␊ |
| 28 | ␊ |
| 29 | #include "libsa.h"␊ |
| 30 | ␊ |
| 31 | struct putc_info {␊ |
| 32 | char * str;␊ |
| 33 | char * last_str;␊ |
| 34 | };␊ |
| 35 | ␊ |
| 36 | static void␊ |
| 37 | sputc(int c, struct putc_info * pi)␊ |
| 38 | {␊ |
| 39 | if (pi->last_str)␊ |
| 40 | if (pi->str == pi->last_str) {␊ |
| 41 | *(pi->str) = '\0';␊ |
| 42 | return;␊ |
| 43 | }␊ |
| 44 | *(pi->str)++ = c;␊ |
| 45 | }␊ |
| 46 | ␊ |
| 47 | /*VARARGS1*/␊ |
| 48 | /* now slprintf() return the length of the string as in man sprintf()*/␊ |
| 49 | int sprintf(char * str, const char * fmt, ...)␊ |
| 50 | {␊ |
| 51 | va_list ap;␊ |
| 52 | struct putc_info pi;␊ |
| 53 | ␊ |
| 54 | va_start(ap, fmt);␊ |
| 55 | pi.str = str;␊ |
| 56 | pi.last_str = 0;␊ |
| 57 | prf(fmt, ap, sputc, &pi);␊ |
| 58 | *pi.str = '\0';␊ |
| 59 | va_end(ap);␊ |
| 60 | return (pi.str - str);␊ |
| 61 | }␊ |
| 62 | ␊ |
| 63 | /*VARARGS1*/␊ |
| 64 | int slvprintf(char * str, int len, const char * fmt, va_list ap)␊ |
| 65 | {␊ |
| 66 | struct putc_info pi;␊ |
| 67 | pi.str = str;␊ |
| 68 | pi.last_str = str + len - 1;␊ |
| 69 | prf(fmt, ap, sputc, &pi);␊ |
| 70 | *pi.str = '\0';␊ |
| 71 | return (pi.str - str);␊ |
| 72 | }␊ |
| 73 | |
