mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-22 11:14:18 +01:00
99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2005 Poul-Henning Kamp
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <namespace.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#include <wchar.h>
|
|
#include <vis.h>
|
|
#include <assert.h>
|
|
#include <sys/time.h>
|
|
#include "printf.h"
|
|
|
|
int
|
|
__printf_arginfo_quote(const struct printf_info *pi __unused, size_t n, int *argt)
|
|
{
|
|
|
|
assert(n >= 1);
|
|
argt[0] = PA_POINTER;
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
__printf_render_quote(struct __printf_io *io, const struct printf_info *pi __unused, const void *const *arg)
|
|
{
|
|
const char *str, *p, *t, *o;
|
|
char r[5];
|
|
int i, ret;
|
|
|
|
str = *((const char *const *)arg[0]);
|
|
if (str == NULL)
|
|
return (__printf_out(io, pi, "\"(null)\"", 8));
|
|
if (*str == '\0')
|
|
return (__printf_out(io, pi, "\"\"", 2));
|
|
|
|
for (i = 0, p = str; *p; p++)
|
|
if (isspace(*p) || *p == '\\' || *p == '"')
|
|
i++;
|
|
if (!i)
|
|
return (__printf_out(io, pi, str, strlen(str)));
|
|
|
|
ret = __printf_out(io, pi, "\"", 1);
|
|
for (t = p = str; *p; p++) {
|
|
o = NULL;
|
|
if (*p == '\\')
|
|
o = "\\\\";
|
|
else if (*p == '\n')
|
|
o = "\\n";
|
|
else if (*p == '\r')
|
|
o = "\\r";
|
|
else if (*p == '\t')
|
|
o = "\\t";
|
|
else if (*p == ' ')
|
|
o = " ";
|
|
else if (*p == '"')
|
|
o = "\\\"";
|
|
else if (isspace(*p)) {
|
|
sprintf(r, "\\%03o", *p);
|
|
o = r;
|
|
} else
|
|
continue;
|
|
if (p != t)
|
|
ret += __printf_out(io, pi, t, p - t);
|
|
ret += __printf_out(io, pi, o, strlen(o));
|
|
t = p + 1;
|
|
}
|
|
if (p != t)
|
|
ret += __printf_out(io, pi, t, p - t);
|
|
ret += __printf_out(io, pi, "\"", 1);
|
|
__printf_flush(io);
|
|
return(ret);
|
|
}
|