void increment_string(char* pString, int lastNdx)
{
if(lastNdx==0)
{
if(pString[0]=='9')
{
pString[0] = '0';
ALLNINE = 1;
return;
}
// increment the char
pString[0]++;
return;
}
else
{
if(pString[lastNdx]=='9')
{
pString[lastNdx]='0';
increment_string(pString,--lastNdx);
}
else
{
pString[lastNdx]++;
}
}
}
void StringData::inc() {
ASSERT(!isStatic());
ASSERT(!empty());
if (isImmutable()) {
escalate();
}
StringSlice s = slice();
// if increment_string overflows, it returns a new ptr and updates s.len
ASSERT(int(s.len) >= 0 && s.len <= MaxSize); // safe int/uint casting
int len = s.len;
char *overflowed = increment_string((char *)s.ptr, len);
if (overflowed) attach(overflowed, len);
m_hash = 0;
}
void StringData::inc() {
if (empty()) {
m_len = (IsLiteral | 1);
m_data = "1";
return;
}
if (isImmutable()) {
escalate();
}
char *overflowed = increment_string((char *)m_data, size());
if (overflowed) {
assign(overflowed, AttachString);
}
}
void palin (char* pStr)
{
int len, midndx, left, right, status;
len = strlen(pStr);
STRLEN = len;
// Even
if(len%2==0)
{
right = len/2;
left = right-1;
status = type(pStr,left,right);
// left>right
if(status==1)
{
pStr[right]='\0';
print_even(pStr);
}
else
{
increment_string(pStr,left);
if(ALLNINE)
{
memset(pStr,'0',sizeof(char)*STRLEN);
pStr[STRLEN+1]='\0';
pStr[0]='1';
pStr[STRLEN]='1';
printf("%s\n",pStr);
}
else
{
pStr[right] = '\0';
print_even(pStr);
}
}
}
else
// Odd
{
midndx = len/2;
left = midndx-1;
right = midndx+1;
status = type(pStr,left,right);
if(status==1)
{
pStr[right]='\0';
print_odd(pStr);
}
else
{
increment_string(pStr,midndx);
if(ALLNINE)
{
memset(pStr,'0',sizeof(char)*STRLEN);
pStr[STRLEN+1]='\0';
pStr[0]='1';
pStr[STRLEN]='1';
printf("%s\n",pStr);
}
else
{
pStr[right]='\0';
print_odd(pStr);
}
}
}
}
