Function make_null_val_with_blanks

contrib/formatter_fixedwidth/fixedwidth.c:242–264

static char*
make_null_val_with_blanks(char *value, int field_size)
{
	char *ret;
	char *cur;
	int actual_size = field_size + 1;
	int size = strlen(value);
	
	if ( size > field_size)
	{
		ereport(ERROR,
				(errcode(ERRCODE_STRING_DATA_LENGTH_MISMATCH),
				 errmsg("the size of the null_value cannot be bigger than the field size")));
	}
	
	ret = (char*)palloc(actual_size);
	strcpy(ret, value);
	cur = ret + size;
	memset(cur, ' ', actual_size - size);
	ret[actual_size - 1] = '\0';
	
	return ret;
}

/*
 * make_val_with_blanks