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