sis/utils.c
2024-08-20 04:57:58 +02:00

59 lines
2.1 KiB
C

/*-
* Copyright (c) 2024, Lorenzo Torres
* 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.
* 3. Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ''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 <COPYRIGHT HOLDER> 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 <ctype.h>
#include <string.h>
#include <utils.h>
void strstrip(char *str)
{
int i, x;
for (i=x=0; str[i]; ++i) {
if (!isspace(str[i]) || (i > 0 && !isspace(str[i-1]))) {
str[x++] = str[i];
}
if (str[i] == '\t') {
str[i] = ' ';
}
if (str[i+1] == '\0' && isspace(str[i])) {
str[i] = '\0';
}
}
str[x] = '\0';
}
void strlower(char* str)
{
strnlower(str, strlen(str));
}
void strnlower(char *str, size_t len)
{
for (int i=0; i < len; i++) {
str[i] = tolower(str[i]);
}
}