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Results tagged with recover
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user 1707
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.
3
votes
recover.c how to find beginning of next jpeg
You have two questions here:
1. Now I don't know how to tell the program to stop at the next such block.
According to the problem set specification, the program needs to read the data in blocks of …
- 2,655
2
votes
Seg Fault in Recover.c
The error from valgrind is showing you where the crash is occurring, and what the potential cause could be. Here's how to interpret it:
Invalid read of size 4
This means the program tried to access …
- 2,655
3
votes
Pset 5 - Recover
check50 is extremely literal in the way it checks your results. The results need to match it's expected answers exactly, any small difference will result in a fail.
Fortunately the error report is o …
- 2,655
1
vote
Accepted
Can anyone tell why is this giving me a SEGFAULT?
The SEGFAULT is because the code is not passing the correct pointer value to fread:
fread(&block, sizeof(block), 1, memcard);
Here block is already a pointer. So what this line of code is doing, …
- 2,655