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/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2009 Alexander Barton (alex@barton.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* Please read the file COPYING, README and AUTHORS for more information.
*
* Tool functions
*/
#include "portab.h"
#include "imp.h"
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <netinet/in.h>
#include "exp.h"
#include "tool.h"
/**
* Removes all leading and trailing whitespaces of a string.
* @param String The string to remove whitespaces from.
*/
GLOBAL void
ngt_TrimStr(char *String)
{
char *start, *end;
assert(String != NULL);
start = String;
/* Remove whitespaces at the beginning of the string ... */
while (*start == ' ' || *start == '\t' ||
*start == '\n' || *start == '\r')
start++;
if (!*start) {
*String = '\0';
return;
}
/* ... and at the end: */
end = strchr(start, '\0');
end--;
while ((*end == ' ' || *end == '\t' || *end == '\n' || *end == '\r')
&& end >= start)
end--;
/* New trailing NULL byte */
*(++end) = '\0';
memmove(String, start, (size_t)(end - start)+1);
} /* ngt_TrimStr */
/**
* Convert a string to uppercase letters.
*/
GLOBAL char *
ngt_UpperStr(char *String)
{
char *ptr;
assert(String != NULL);
ptr = String;
while(*ptr) {
*ptr = toupper(*ptr);
ptr++;
}
return String;
} /* ngt_UpperStr */
/**
* Convert a string to lowercase letters.
*/
GLOBAL char *
ngt_LowerStr(char *String)
{
char *ptr;
assert(String != NULL);
ptr = String;
while(*ptr) {
*ptr = tolower(*ptr);
ptr++;
}
return String;
} /* ngt_LowerStr */
GLOBAL void
ngt_TrimLastChr( char *String, const char Chr)
{
/* If last character in the string matches Chr, remove it.
* Empty strings are handled correctly. */
size_t len;
assert(String != NULL);
len = strlen(String);
if(len == 0)
return;
len--;
if(String[len] == Chr)
String[len] = '\0';
} /* ngt_TrimLastChr */
/* -eof- */
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