/*************************************************************************
* (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
* by Michael Pounov <misho@openbsd-bg.org>
*
* $Author: misho $
* $Id: tools.c,v 1.1.2.3 2010/04/05 08:51:34 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;
}
/*
* io_Char2Hex() Convert from Char string to Hex string
* @psLine = Text string
* @lineLen = Length of Text string
* return: NULL nothing to do or error; !=0 Allocated new converted string(must be free)
*/
inline char *io_Char2Hex(u_char *psLine, int lineLen)
{
register int i;
char szWork[3], *str;
if (!psLine || !*psLine || !lineLen)
return NULL;
str = malloc(lineLen * 2 + 1);
if (!str) {
LOGERR;
return NULL;
} else
memset(str, 0, lineLen * 2 + 1);
for (i = 0; i < lineLen && psLine[i]; i++) {
memset(szWork, 0, 3);
snprintf(szWork, 3, "%02X", (u_char) psLine[i]);
strncat(str, szWork, 2);
}
return str;
}
/*
* io_Hex2Char() Convert from Hex string to Char string
* @psLine = Text string
* @lineLen = Length of Text string
* return: NULL nothing to do or error; !=0 Allocated new converted string(must be free)
*/
inline char *io_Hex2Char(u_char *psLine, int lineLen)
{
register int i;
char szWork[3], *str;
if (!psLine || !*psLine || !lineLen)
return NULL;
str = malloc(lineLen / 2 + 1);
if (!str) {
LOGERR;
return NULL;
} else
memset(str, 0, lineLen / 2 + 1);
for (i = 0; i < lineLen && psLine[i * 2]; i++) {
strlcpy(szWork, (char*) &psLine[i * 2], 3);
str[i] = (char) strtol(szWork, NULL, 16);
}
return str;
}
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>