All Questions
9 questions
0
votes
2
answers
18
views
Getting segmenatation fault even though i freed memory
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
typedef uint8_t BYTE;
int main(int argc, char *argv[])
{
// Only allow 2 command line arguments
if (argc != 2)
...
0
votes
1
answer
288
views
problem with recover.c using malloc and fread
i tried to write a function that sample 4 bytes from card.raw file but i doesn't work because fread doesn't put any data into block buffer so i wrote this simple code and i found out that fgetc works ...
0
votes
1
answer
288
views
pset4 recover with malloc having a segmentation fault
I can't seem to find the reason of why I'm getting the segmentation fault in my code. The moment my code starts to write the bytes of buffer, I encounter the fault
Any help is really appreciated.
#...
- 11
0
votes
1
answer
804
views
pset4 recover.c - working with fread() and malloc()
I'm attempting recover.c and I'm interested in clearing up a few things about fread() and malloc().
I tried to sample the first few bytes of the card.raw file but I keep getting the same two errors: ...
- 15
0
votes
1
answer
240
views
pset 4 recover - segmentation fault with malloc
I seem to be stuck on pset4 recover and would appreciate some help! I think I understand the idea of the problem set by now but I've done approached the problem a bit unconventionally and keep getting ...
0
votes
2
answers
246
views
Segmentation fault in recover.c (pset4)
On checking with valgrind, I get main (recover.c:89)
==14182== Address 0x55022c8 is 0 bytes after a block of size 8 alloc'd
There are 2 more problems with malloc again, while doing sprintf and ...
0
votes
1
answer
212
views
pset 4 Recover creates 50 corrupted or mainly grey images
I wanted to try using malloc and a BUFFER structure of 512BYTES for this exercise with the intention of creating a file if the 4 signatures of a JPG are detected and fwriting the struct of 512B into ...
- 3
0
votes
1
answer
76
views
How can I avoid a Segmentation fault in my Recover.c
I have looked thoroughly through other solutions, but they tend to be specific to another person's code. I have also used Valgrind to try and isolate the problem, and considered that I may have to use ...
0
votes
1
answer
480
views
fread not putting what I expect in buffer
for Pset4, recover, I'm trying to read 4 bytes from card.raw into a buffer. I''m testing the first 4 bytes of card.raw with what my buffer contains using gdb, and I'm not getting the same thing. I ...
- 22