File: strops.c

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/* 
** Copyright (C) 1994, 1995 Enterprise Integration Technologies Corp.
**         VeriFone Inc./Hewlett-Packard. All Rights Reserved.
** Kevin Hughes, kev@kevcom.com 3/11/94
** Kent Landfield, kent@landfield.com 4/6/97
** 
** This program and library is free software; you can redistribute it and/or 
** modify it under the terms of the GNU (Library) General Public License 
** as published by the Free Software Foundation; either version 2 
** of the License, or any later version. 
** 
** This program is distributed in the hope that it will be useful, 
** but WITHOUT ANY WARRANTY; without even the implied warranty of 
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
** GNU (Library) General Public License for more details. 
** 
** You should have received a copy of the GNU (Library) General Public License
** along with this program; if not, write to the Free Software 
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA 
*/

/*
** This file is part of the LIBCGI library
**
*/

#include "cgi.h"

char *trim(char *s)
{
    char *t = s;

    while (*t)
	t++;
    while (t > s && *--t == ' ')
	*t = 0;
    return s;
}

#if 0
char *sanitize(char *buf, char *s)
{
    char *t;

    for (t = buf; *s; s++)
	if (*s == ' ')
	    *t++ = '+';
	else if (isalnum(*s))
	    *t++ = *s;
	else {
	    sprintf(t, "%%%2X", *s);
	    t += 3;
	}
    *t = '\0';
    return buf;
}
#endif

char *strmaxcpy(char *dest, char *src, int n)
{
    char *d = dest;

    if (n < 1)
	return NULL;
    while (--n && *src)
	*d++ = *src++;
    *d = 0;
    return dest;
}