#include "chext.h"

#include <stddef.h>

long find_last_pos(const char* where, char what)
{
	long last_found_pos = -1;
	long index = 0;

	while ( where[index] != '\0' )
	{
		if ( where[index] == what )
		{
			last_found_pos = index;
		}
		++index;
	}
	return last_found_pos;
}

const char* find_last(const char* where, char what)
{
	const char* last_found = NULL;

	for( ; *where; ++where )
	{
		if( *where == what )
			last_found = where;
	}
	return last_found;
}

long string_length(const char* text)
{
	long length = 0;

	while ( text[length++] )
		;

	return length - 1;
}

void string_copy(long length, const char* source, char* target)
{
	for ( long index = 0; index < length && source[index]; ++index )
		target[index] = source[index];

	target[length] = '\0';
}

void string_copy_ptr(long length, const char* source, char* target)
{
	while ( length-- && *source )
		*target++ = *source++;

	*target = '\0';
}