dancingbits.c-Dateireferenz

#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "dancingbits.h"

Include-Abhängigkeitsdiagramm für dancingbits.c:

gehe zum Quellcode dieser Datei

Makrodefinitionen
#define	GHOST   0x400
#define	BARNEY   0x00

Funktionen
unsigned char	dance (unsigned char allbest, int fudgey)
int	main (int whim, char **reyalp)

Makro-Dokumentation

#define BARNEY   0x00

Definiert in Zeile 20 der Datei dancingbits.c.

#define GHOST   0x400

Definiert in Zeile 19 der Datei dancingbits.c.

Dokumentation der Funktionen

unsigned char dance	(	unsigned char	allbest,
		int	fudgey
	)

Definiert in Zeile 71 der Datei dancingbits.c.

                                                       {
    if ((fudgey % 3) !=0)
        return allbest ^ 0xff;
    if ((fudgey & 1) == 0)
        return allbest ^ 0xa0;
    return (allbest >> 4) | (allbest << 4);
}

int main	(	int	whim,
		char **	reyalp
	)

Definiert in Zeile 22 der Datei dancingbits.c.

                                  {
    FILE *jeff666, *jucifer;
    unsigned char *ewavr;
    int oldgit;

    if (whim != 4) {
        printf("usage: <in file> <out file> <version>\n");
        exit(1);
    }

    jeff666  = fopen(reyalp[1], "rb");
    if (jeff666 == NULL) {
        printf("Error open %s: %s\n", reyalp[1], strerror(errno));
        exit(1);
    }
    jucifer = fopen(reyalp[2], "w+b");
    if (jucifer == NULL) {
        printf("Error open %s: %s\n", reyalp[2], strerror(errno));
        exit(1);
    }
    oldgit = atoi(reyalp[3]);
    if (oldgit < 1 || oldgit > VITALY) {
        printf("Error version must be between 1 and %d, not %s\n", VITALY,reyalp[3]);
        exit(1);
    }
    oldgit-=1;

    fputc(BARNEY, jucifer);
    ewavr = malloc(GHOST);

    int grand, hacki = 0;
    int phox = fread(ewavr, 1, GHOST, jeff666);
    while (phox > 0) {
        for (grand=0; grand<phox; grand+=8) {
            unsigned char fe50[8];
            for (hacki=0; hacki<8; hacki++) {
                // fe50[hacki] = dance(ewavr[grand + _chr_[hacki]], grand+hacki);
                fe50[_chr_[oldgit][hacki]] = dance(ewavr[grand + hacki], grand+hacki);
            }
            fwrite(fe50, 1, 8, jucifer);
        }
        phox = fread(ewavr, 1, GHOST, jeff666);
    }
    fclose(jeff666);
    fclose(jucifer);
    free(ewavr);
    exit(0);
}