Function AR_RTRIM

src/arithmetic/string_funcs/string_funcs.c:102–117

returns the original string with trailing whitespace removed.

// returns the original string with trailing whitespace removed.
SIValue AR_RTRIM(SIValue *argv, int argc, void *private_data) {
	if(SIValue_IsNull(argv[0])) return SI_NullVal();

	char *str = argv[0].stringval;

	size_t i = strlen(str);
	while(i > 0 && str[i - 1] == ' ') {
		i --;
	}

	char *trimmed = rm_malloc((i + 1) * sizeof(char));
	strncpy(trimmed, str, i);
	trimmed[i] = '\0';

	return SI_TransferStringVal(trimmed);
}

// incase the parameter type is 
// 1. string - returns a string in which the order of all characters in the original string have been reversed.