gc_quicksort.c

//Quicksort implementation in C
//@author Daniel Latham
//input: $0=file with list of numbers on line 0
//       $1=type of number(char, short, int, long, float, double)
//       $2=# of numbers
//output: specified inputs and sorted array last


#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

#define TYPE char
#define READ strtol(buff, &end, 10)
#define PRINT printf("%c ", nums[i])
#include "gc_quicksort.h"
#undef TYPE
#undef PRINT

#define TYPE short
#define PRINT printf("%hi ", nums[i]);
#include "gc_quicksort.h"
#undef TYPE
#undef PRINT

#define TYPE int
#define PRINT printf("%d ", nums[i]);
#include "gc_quicksort.h"
#undef TYPE
#undef PRINT

#define TYPE long
#define PRINT printf("%li ", nums[i]);
#include "gc_quicksort.h"
#undef TYPE
#undef READ
#undef PRINT

#define READ strtod(buff, &end)
#define TYPE float
#define PRINT printf("%f ", nums[i]);
#include "gc_quicksort.h"
#undef TYPE
#undef PRINT

#define TYPE double
#define PRINT printf("%F ", nums[i]);
#include "gc_quicksort.h"
#undef TYPE
#undef PRINT

struct TYPE_VALUES {
    int CHAR, SHORT, INT, LONG, FLOAT, DOUBLE;
};

typedef struct TYPE_VALUES type_v;

void build_type_values(type_v* t){
    const char* types[] = {"char", "short", "int", "long", "float", "double" };
    // Changes argv[2] type to lowercase
    // Computes number associated with the addition of all chars in argv[2]

    int identifier = 0;
    const int PRIME = 3;
    for (int j = 0; j < 6; j++){
        for (int i = 0; types[j][i]; i++){
            identifier = PRIME * (identifier + types[j][i]);
        }
        // J used to determine which array element we're on
        // so, 0 should be char, from types array
        switch (j){
            case 0:
                t->CHAR = identifier;
                break;
            case 1:
                t->SHORT = identifier;
                break;
            case 2:
                t->INT = identifier;
                break;
            case 3:
                t->LONG = identifier;
                break;
            case 4:
                t->FLOAT = identifier;
                break;
            case 5:
                t->DOUBLE = identifier;
                break;
        }
        // Reset identifier
        identifier = 0;
    }

}

int main(int argc, char** argv){


        // Prints file name for user
    printf("%s\n", argv[1]);
    // Type of array
    printf("Type: %s\n", argv[2]);
    // Size of array
    printf("Size: %s\n", argv[3]);

        // Create struct
        struct TYPE_VALUES t;
        // Initialize values in t

        // Create pointer to struct in memory
        struct TYPE_VALUES* tt = &t;

        build_type_values(tt);

    // Changes argv[2] type to lowercase
    // Computes number associated with the addition of all chars in argv[2]
    int identifier = 0;
    const int PRIME = 3;
    for (int i = 0; argv[2][i]; i++){
        argv[2][i] = tolower(argv[2][i]);
        identifier = PRIME * (identifier + argv[2][i]);
    }

    if (identifier == tt->CHAR){
            choose_type_char(argc, argv, 0);
            return 1;
        } else if (identifier == tt->SHORT){
            choose_type_short(argc, argv, 1);
            return 1;
        } else if (identifier == tt->INT){
            choose_type_int(argc, argv, 2);
            return 1;
        } else if (identifier == tt->LONG){
            choose_type_long(argc, argv, 3);
            return 1;
        } else if (identifier == tt->FLOAT){
            choose_type_float(argc, argv, 4);
            return 1;
        } else if (identifier == tt->DOUBLE){
            choose_type_double(argc, argv, 5);
            return 1;
        } else {
            printf("ERROR: Incorrect Number Type Specified%s", "\n");
            return -1;
        }

}