/*++
 * NAME
 *	trimblanks 3
 * SUMMARY
 *	skip leading whitespace
 * SYNOPSIS
 *	#include <stringops.h>
 *
 *	char	*trimblanks(string, len)
 *	char	*string;
 *	int	len;
 * DESCRIPTION
 *	trimblanks() returns a pointer to the beginning of the trailing
 *	whitespace in \fIstring\fR, or a pointer to the string terminator
 *	when the string contains no trailing whitespace.
 *	The \fIlen\fR argument is either zero or the string length.
 * LICENSE
 * .ad
 * .fi
 *	The Secure Mailer license must be distributed with this software.
 * AUTHOR(S)
 *	Wietse Venema
 *	IBM T.J. Watson Research
 *	P.O. Box 704
 *	Yorktown Heights, NY 10598, USA
 *--*/

/* System library. */

#include "acl_stdafx.hpp"
#include <ctype.h>

/* Utility library. */

#include "trimblanks.hpp"

char   *trimblanks(char *string, int len)
{
    char   *curr;

    if (len) {
	curr = string + len;
    } else {
	for (curr = string; *curr != 0; curr++)
	     /* void */ ;
    }
    while (curr > string && ACL_ISSPACE(curr[-1]))
	curr -= 1;
    return (curr);
}
