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Results tagged with recover
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user 12172
recover.c, one of the assignments for Problem Set 4, will challenge you to search through the raw bytes of a camera's digital memory to recover a bunch of "deleted" JPEG images.
0
votes
Accepted
My program says that "No rule to make target `recover'. Stop."
Make certain that your source code is called recover.c and the source file is in the same current working directory that you are executing the make recover command in. …
- 3,050
1
vote
Accepted
Pset4 recover: can't seem to use struct to identify the jpg
You're overthinking this. A struct is not necessary here. Why not try storing your identifiers in an array instead?
- 3,050
3
votes
Accepted
Pset4 recover, comparing hex in if statements
@Blauelf is correct: you can't count on char to be an unsigned 8-bit int.
However, you can use a typedef to make certain that a BYTE is really a byte.
Look at these type definitions, borrowed from b …
- 3,050
1
vote
Accepted
Pset4 recover.c compiles, but can't seem to print Jpgs at all
Just to be crystal clear:
if (data[3] != 0xe0 || data[3] != 0xe0 || data[3] != 0xe1 || data[3] != 0xe2 || data[3] != 0xe3 || data[3] != 0xe4 || data[3] != 0xe5 || data[3] != 0xe6 || data[3] != 0xe7 | …
- 3,050