char *ltrim(char *s)
{
char sTemp[8192+1];
int nLen = 0;
int nIdx = 0;
int nPos = 0;
memset(sTemp, 0x00, sizeof(sTemp));
nLen = strlen(s);
nPos = 0;
for( nIdx = 0; nIdx < nLen; nIdx++ ) {
if(s[nIdx] == ' ' || s[nIdx] == '\t' || s[nIdx] == '\n' || s[nIdx] == '\r' || s[nIdx] == '\f' || s[nIdx] == '\v') { /*** isspace() : space, tab, line_feed, carriage_return, form_feed, vertical_tab ***/
nPos = nPos + 1;
}
else {
break;
}
}
memset(sTemp, 0x00, sizeof(sTemp));
for( nIdx = nPos; nIdx < nLen; nIdx++ ) {
sTemp[nIdx - nPos] = s[nIdx];
}
memcpy(s, sTemp, nLen);
return s;
}
/******************************************************************************/
char *rtrim(char *s)
{
int pos = strlen(s)-1;
for (; pos>=0; pos-- ) {
if(s[pos] == ' ' || s[pos] == '\t' || s[pos] == '\n' || s[pos] == '\r' || s[pos] == '\f' || s[pos] == '\v') { /*** isspace() : space, tab, line_feed, carriage_return, form_feed, vertical_tab ***/
s[pos] = 0x00;
}
else {
return s;
}
}
return s;
}
/******************************************************************************/
char *trim(char *s)
{
return rtrim(ltrim(s));
}
/******************************************************************************/
/******************************************************************************/
char *LTrim(char *s)
{
char* begin;
begin = s;
while (*begin != '\0') {
if (isspace(*begin)) {
begin++;
}
else {
s = begin;
break;
}
}
return s;
}
/******************************************************************************/
char *RTrim(char *s)
{
int pos = strlen(s)-1;
for (; pos>0; pos-- ) {
if(s[pos] == ' ' || s[pos] == '\t' || s[pos] == '\n' || s[pos] == '\r') {
s[pos] = 0x00;
}
else {
return s;
}
}
return s;
}
/******************************************************************************/
char *LRTrim(char *s)
{
char *p1;
char *p2;
p1 = LTrim(s);
p2 = RTrim(p1);
return p2;
}
/******************************************************************************/
