calculator.c File Reference

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for calculator.c:

Go to the source code of this file.

Data Structures
struct	OperatorFunction

Typedefs
typedef int(*	BinaryOperator) (int a, int b)
typedef struct OperatorFunction	OperatorFunction

Functions
BinaryOperator	find_operator_function_by_string (const size_t number_of_operator_functions, const OperatorFunction *const operator_functions, const char *const operator_string)
int	perform_operation (int number_of_arguments, char *arguments[], const size_t number_of_operator_functions, const OperatorFunction *const operator_functions, int *const number_of_intermediate_values, int **const intermediate_values, int *const error_occurred)
static int	add (int a, int b)
static int	subtract (int a, int b)
static int	multiply (int a, int b)
static int	divide (int a, int b)
int	main (int argc, char *argv[])

Variables
static OperatorFunction	operator_function_map []

Typedef Documentation

BinaryOperator

typedef int(* BinaryOperator) (int a, int b)

Definition at line 88 of file calculator.c.

OperatorFunction

typedef struct OperatorFunction OperatorFunction

Function Documentation

add()

static int add ( int  a, int  b  )

static

Definition at line 122 of file calculator.c.

divide()

static int divide ( int  a, int  b  )

static

Definition at line 134 of file calculator.c.

find_operator_function_by_string()

BinaryOperator find_operator_function_by_string	(	const size_t	number_of_operator_functions,
		const OperatorFunction *const	operator_functions,
		const char *const	operator_string
	)

Definition at line 143 of file calculator.c.

References OperatorFunction::function, and OperatorFunction::operator.

Referenced by perform_operation(), test_find_operator_function_by_string_found(), test_find_operator_function_by_string_not_found(), test_find_operator_function_by_string_null_functions(), test_find_operator_function_by_string_null_string(), and test_find_operator_function_by_string_valid_null_functions().

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 258 of file calculator.c.

References free, and perform_operation().

multiply()

static int multiply ( int  a, int  b  )

static

Definition at line 130 of file calculator.c.

perform_operation()

int perform_operation	(	int	number_of_arguments,
		char *	arguments[],
		const size_t	number_of_operator_functions,
		const OperatorFunction *const	operator_functions,
		int *const	number_of_intermediate_values,
		int **const	intermediate_values,
		int *const	error_occurred
	)

Definition at line 175 of file calculator.c.

References find_operator_function_by_string(), and free.

Referenced by main(), test_perform_operation(), test_perform_operation_first_arg_not_integer(), test_perform_operation_missing_argument(), test_perform_operation_no_arguments(), test_perform_operation_no_integer_after_operator(), test_perform_operation_null_args(), test_perform_operation_null_intermediate_values(), test_perform_operation_null_number_of_intermediate_values(), test_perform_operation_null_operator_functions(), and test_perform_operation_unknown_operator().

subtract()

static int subtract ( int  a, int  b  )

static

Definition at line 126 of file calculator.c.

Variable Documentation

operator_function_map

OperatorFunction operator_function_map[]

static

Initial value:

= {
    {"+", add},
    {"-", subtract},
    {"*", multiply},
    {"/", divide},
}

Definition at line 115 of file calculator.c.