Return to tools.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / libaitio / src

added new features

/*************************************************************************
* (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
*  by Michael Pounov <misho@openbsd-bg.org>
*
* $Author: misho $
* $Id: tools.c,v 1.1.2.1 2010/03/22 18:25:07 misho Exp $
*
*************************************************************************/
#include "global.h"
#include "aitio.h"


/*
 * io_LTrimStr() Remove left whitespaces from text string
 * @psLine = Text string
 * return: 0 nothing to do; !=0 Removed bytes
*/
inline int io_LTrimStr(u_char *psLine)
{
	int pos = 0;
	u_char *s;

	if (!psLine || !*psLine)
		return 0;

	for (s = psLine; isspace(*s); s++);
	pos = s - psLine;

	memmove(psLine, s, (strlen((char*) psLine) - pos) + 1);
	return pos;
}

/*
 * io_RTrimStr() Remove right whitespaces from text string
 * @psLine = Text string
 * return: 0 nothing to do; !=0 Removed bytes
*/
inline int io_RTrimStr(u_char *psLine)
{
	u_char *t, *pos;

	if (!psLine || !*psLine)
		return 0;

	pos = psLine + strlen((char*) psLine);
	for (t = pos - 1; t > psLine && isspace(*t); t--);
	*++t = 0;

	return pos - t;
}

/*
 * io_TrimStr() Remove left and right whitespaces from text string
 * @psLine = Text string
 * return: 0 nothing to do; !=0 Removed bytes
*/
inline int io_TrimStr(u_char *psLine)
{
	int ret = 0;

	ret = io_LTrimStr(psLine);
	ret += io_RTrimStr(psLine);

	return ret;
}

/*
 * io_UnquotStr() Remove quots from input text string 
 * @psLine = Text string
 * return: 0 nothing to do; 1 successful unquoted string
*/
inline int io_UnquotStr(u_char *psLine)
{
	char *pos, *str = NULL;
	int flg;

	if (!psLine)
		return 0;

	switch (*psLine) {
		case '`':
		case '"':
		case '\'':
			str = strdup((char*) psLine + 1);
			for (pos = str, flg = 0; *pos; flg = ('\\' == *pos), pos++) {
				if (!flg && *pos == *psLine) {
					*pos = 0;
					strlcpy((char*) psLine, str, strlen((char*) psLine) + 1);
					break;
				}
			}
			free(str);
			return 1;
	}

	return 0;
}