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/* util.c 9/11/1995
*/
/* Copyright (c) 1995,1996 Sascha Demetrio
* Copyright (c) 2009, 2015, 2018 Peter Pentchev
* 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.
* If you modify any part of HEXER and redistribute it, you must add
* a notice to the `README' file and the modified source files containing
* information about the changes you made. I do not want to take
* credit or be blamed for your modifications.
* 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.
* If you modify any part of HEXER and redistribute it in binary form,
* you must supply a `README' file containing information about the
* changes you made.
* 3. The name of the developer may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* HEXER WAS DEVELOPED BY SASCHA DEMETRIO.
* THIS SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT.
* THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT
* NOT MAKE USE OF THIS WORK.
*
* DISCLAIMER:
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``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 DEVELOPER 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 "config.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "buffer.h"
#include "hexer.h"
#include "util.h"
#include "tio.h"
#undef isoct
#undef ishex
#define isoct(x) ((x) >= '0' && (x) < '8')
#define ishex(x) (isdigit(x) || (tolower(x) >= 'a' && tolower(x) <= 'f'))
int
util_trunc(char *s)
/* remove trailing whitespace.
*/
{
int i = strlen(s) - !!*s;
while (i ? s[i] == ' ' || s[i] == '\t' : 0) --i;
s[++i] = 0;
return 0;
}
/* util_trunc */
static int
util_pstrcmp(char **a, char **b)
{
return strcmp(*a, *b);
}
/* util_pstrcmp */
int
util_strsort(char **list)
/* a simple bubblesort.
*/
{
int n;
for (n = 0; list[n]; ++n);
qsort((void *)list, n, sizeof(char *), (int (*)(const void *, const void *))util_pstrcmp);
return 0;
}
/* util_strsort */
int
write_buf(const int fd, const char * const buf, const size_t len)
{
size_t written = 0;
while (written < len) {
const size_t n = write(fd, buf + written, len - written);
if (n < 1)
return -1;
written += n;
}
return written;
}
/* end of util.c */
/* VIM configuration: (do not delete this line)
*
* vim:bk:nodg:efm=%f\:%l\:%m:hid:icon:
* vim:sw=2:sm:textwidth=79:ul=1024:wrap:
*/
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