xref: /dflybsd-src/lib/libc/stdio/xprintf_vis.c (revision e0f95098eeba0176864b9cafe6d69b5b7bc0e73f)
1*e0f95098SPeter Avalos /*-
2*e0f95098SPeter Avalos  * Copyright (c) 2005 Poul-Henning Kamp
3*e0f95098SPeter Avalos  * All rights reserved.
4*e0f95098SPeter Avalos  *
5*e0f95098SPeter Avalos  * Redistribution and use in source and binary forms, with or without
6*e0f95098SPeter Avalos  * modification, are permitted provided that the following conditions
7*e0f95098SPeter Avalos  * are met:
8*e0f95098SPeter Avalos  * 1. Redistributions of source code must retain the above copyright
9*e0f95098SPeter Avalos  *    notice, this list of conditions and the following disclaimer.
10*e0f95098SPeter Avalos  * 2. Redistributions in binary form must reproduce the above copyright
11*e0f95098SPeter Avalos  *    notice, this list of conditions and the following disclaimer in the
12*e0f95098SPeter Avalos  *    documentation and/or other materials provided with the distribution.
13*e0f95098SPeter Avalos  *
14*e0f95098SPeter Avalos  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*e0f95098SPeter Avalos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*e0f95098SPeter Avalos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*e0f95098SPeter Avalos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*e0f95098SPeter Avalos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*e0f95098SPeter Avalos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*e0f95098SPeter Avalos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*e0f95098SPeter Avalos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*e0f95098SPeter Avalos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*e0f95098SPeter Avalos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*e0f95098SPeter Avalos  * SUCH DAMAGE.
25*e0f95098SPeter Avalos  *
26*e0f95098SPeter Avalos  * $FreeBSD: src/lib/libc/stdio/xprintf_vis.c,v 1.2 2006/01/25 12:45:24 phk Exp $
27*e0f95098SPeter Avalos  */
28*e0f95098SPeter Avalos 
29*e0f95098SPeter Avalos #include "namespace.h"
30*e0f95098SPeter Avalos #include <stdio.h>
31*e0f95098SPeter Avalos #include <string.h>
32*e0f95098SPeter Avalos #include <stdlib.h>
33*e0f95098SPeter Avalos #include <wchar.h>
34*e0f95098SPeter Avalos #include <vis.h>
35*e0f95098SPeter Avalos #include <assert.h>
36*e0f95098SPeter Avalos #include <sys/time.h>
37*e0f95098SPeter Avalos #include "un-namespace.h"
38*e0f95098SPeter Avalos #include "printf.h"
39*e0f95098SPeter Avalos 
40*e0f95098SPeter Avalos int
41*e0f95098SPeter Avalos __printf_arginfo_vis(const struct printf_info *pi, size_t n, int *argt)
42*e0f95098SPeter Avalos {
43*e0f95098SPeter Avalos 
44*e0f95098SPeter Avalos 	assert(n >= 1);
45*e0f95098SPeter Avalos 	argt[0] = PA_POINTER;
46*e0f95098SPeter Avalos 	return (1);
47*e0f95098SPeter Avalos }
48*e0f95098SPeter Avalos 
49*e0f95098SPeter Avalos int
50*e0f95098SPeter Avalos __printf_render_vis(struct __printf_io *io, const struct printf_info *pi,
51*e0f95098SPeter Avalos 		    const void *const *arg)
52*e0f95098SPeter Avalos {
53*e0f95098SPeter Avalos 	char *p, *buf;
54*e0f95098SPeter Avalos 	unsigned l;
55*e0f95098SPeter Avalos 	int ret;
56*e0f95098SPeter Avalos 
57*e0f95098SPeter Avalos 	ret = 0;
58*e0f95098SPeter Avalos 	p = *((char **)arg[0]);
59*e0f95098SPeter Avalos 	if (p == NULL)
60*e0f95098SPeter Avalos 		return (__printf_out(io, pi, "(null)", 6));
61*e0f95098SPeter Avalos 	if (pi->prec >= 0)
62*e0f95098SPeter Avalos 		l = pi->prec;
63*e0f95098SPeter Avalos 	else
64*e0f95098SPeter Avalos 		l = strlen(p);
65*e0f95098SPeter Avalos 	buf = malloc(l * 4 + 1);
66*e0f95098SPeter Avalos 	if (buf == NULL)
67*e0f95098SPeter Avalos 		return (-1);
68*e0f95098SPeter Avalos 	if (pi->showsign)
69*e0f95098SPeter Avalos 		ret = strvisx(buf, p, l, VIS_WHITE | VIS_HTTPSTYLE);
70*e0f95098SPeter Avalos 	else if (pi->pad == '0')
71*e0f95098SPeter Avalos 		ret = strvisx(buf, p, l, VIS_WHITE | VIS_OCTAL);
72*e0f95098SPeter Avalos 	else if (pi->alt)
73*e0f95098SPeter Avalos 		ret = strvisx(buf, p, l, VIS_WHITE);
74*e0f95098SPeter Avalos 	else
75*e0f95098SPeter Avalos 		ret = strvisx(buf, p, l, VIS_WHITE | VIS_CSTYLE | VIS_OCTAL);
76*e0f95098SPeter Avalos 	ret += __printf_out(io, pi, buf, ret);
77*e0f95098SPeter Avalos 	__printf_flush(io);
78*e0f95098SPeter Avalos 	free(buf);
79*e0f95098SPeter Avalos 	return(ret);
80*e0f95098SPeter Avalos }
81