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Root/tags/2.0/i386/libsa/printf.c

Source at commit 1808 created 12 years 3 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
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
31struct putc_info //Azi: exists on console.c & gui.c
32{
33 char * str;
34 char * last_str;
35};
36
37static int
38sputc(int c, struct putc_info * pi) //Azi: same as above
39{
40 if (pi->last_str)
41 if (pi->str == pi->last_str) {
42 *(pi->str) = '\0';
43 return 0;
44 }
45 *(pi->str)++ = c;
46 return c;
47}
48
49/*VARARGS1*/
50/* now slprintf() return the length of the string as in man sprintf()*/
51int sprintf(char * str, const char * fmt, ...)
52{
53 va_list ap;
54 struct putc_info pi;
55
56 va_start(ap, fmt);
57 pi.str = str;
58 pi.last_str = 0;
59 prf(fmt, ap, sputc, &pi);
60 *pi.str = '\0';
61 va_end(ap);
62 return (pi.str - str);
63}
64
65/*VARARGS1*/
66int slvprintf(char * str, int len, const char * fmt, va_list ap)
67{
68 struct putc_info pi;
69 pi.str = str;
70 pi.last_str = str + len - 1;
71 prf(fmt, ap, sputc, &pi);
72 *pi.str = '\0';
73 return (pi.str - str);
74}
75

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Revision: 1808