Files
courses/2023_CS50X/test.c
T
2025-07-30 15:57:48 +02:00

30 lines
581 B
C

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
int main(int argc, char *argv[])
{
int BLOCK_SIZE = 512;
typedef uint8_t BYTE;
BYTE buffer[BLOCK_SIZE];
FILE *file = fopen("card.raw", "r");
if (argc != 2)
{
printf("Usage: ./recover card.raw\n");
return 1;
}
while (fread(&buffer, 1, BLOCK_SIZE, file) == BLOCK_SIZE)
{
if (buffer[0] == 0xff && buffer[1] == 0xd8 && buffer[2] == 0xff && (buffer[3] & 0xf0) == 0xe0)
{
printf("%i",buffer)
}
}
fclose(file);
return 0;
}