1 /*-
2 * Copyright (c) 2005 Poul-Henning Kamp
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/lib/libc/stdio/xprintf_vis.c,v 1.2 2006/01/25 12:45:24 phk Exp $
27 */
28
29 #include "namespace.h"
30 #include <stdio.h>
31 #include <string.h>
32 #include <stdlib.h>
33 #include <wchar.h>
34 #include <vis.h>
35 #include <assert.h>
36 #include <sys/time.h>
37 #include "un-namespace.h"
38 #include "printf.h"
39
40 int
__printf_arginfo_vis(const struct printf_info * pi __unused,size_t n,int * argt)41 __printf_arginfo_vis(const struct printf_info *pi __unused, size_t n,
42 int *argt)
43 {
44
45 assert(n >= 1);
46 argt[0] = PA_POINTER;
47 return (1);
48 }
49
50 int
__printf_render_vis(struct __printf_io * io,const struct printf_info * pi,const void * const * arg)51 __printf_render_vis(struct __printf_io *io, const struct printf_info *pi,
52 const void *const *arg)
53 {
54 char *p, *buf;
55 unsigned l;
56 int ret;
57
58 ret = 0;
59 p = *((char **)arg[0]);
60 if (p == NULL)
61 return (__printf_out(io, pi, "(null)", 6));
62 if (pi->prec >= 0)
63 l = pi->prec;
64 else
65 l = strlen(p);
66 buf = malloc(l * 4 + 1);
67 if (buf == NULL)
68 return (-1);
69 if (pi->showsign)
70 ret = strvisx(buf, p, l, VIS_WHITE | VIS_HTTPSTYLE);
71 else if (pi->pad == '0')
72 ret = strvisx(buf, p, l, VIS_WHITE | VIS_OCTAL);
73 else if (pi->alt)
74 ret = strvisx(buf, p, l, VIS_WHITE);
75 else
76 ret = strvisx(buf, p, l, VIS_WHITE | VIS_CSTYLE | VIS_OCTAL);
77 ret += __printf_out(io, pi, buf, ret);
78 __printf_flush(io);
79 free(buf);
80 return(ret);
81 }
82