51 lines
925 B
C
51 lines
925 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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typedef uint8_t BYTE;
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int main(int argc, char *argv[])
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{
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if (argc != 2)
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{
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printf("Usage: ./recover IMAGE\n");
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return 1;
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}
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FILE *file = fopen(argv[1], "r");
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FILE *img = NULL;
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BYTE buffer[512];
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int img_number = 0;
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char img_name[8];
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while (fread(&buffer, 512, 1, file) == 1)
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{
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if (buffer[0] == 0xff &&
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buffer[1] == 0xd8 &&
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buffer[2] == 0xff &&
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(buffer[3] & 0xf0) == 0xe0)
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{
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if (!(img_number == 0))
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{
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fclose(img);
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}
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sprintf(img_name, "%03i.jpg", img_number);
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img = fopen(img_name, "w");
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img_number ++;
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}
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if (!(img_number == 0))
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{
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fwrite(&buffer, 512, 1, img);
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}
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}
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fclose(file);
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fclose(img);
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return 0;
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} |