segmentation fault - code attached

  • Thread starter Narendran Kumaraguru Nath
  • Start date
N

Narendran Kumaraguru Nath

Guest
Hi all,
I'm writing a library to parse the pli format. I'm getting
segmentation fault. Please help me if you can.
Thanks,
Naren.


Hi all,
I am fairly experianced in C. I am writing a program in which I'm
getting a segmentation fault. The problem is that it is getting the
segmentation fault when executing calloc. I tried debugging it, with
no use. I tried to figure out the common reasons (1) Using a memory
location which is not allocated. (2) Using memory which is freed. (3)
Function use before declaration.
I didn't use any other debuggers or tools other than ddd. My
platform is : RH linux 2.4.20-8 & gcc -v ouputs the following

Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.2/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --enable-shared --enable-threads=posix
--disable-checking --with-system-zlib --enable-__cxa_atexit
--host=i386-redhat-linux
Thread model: posix
gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)

I don't understand what to do. I couldn't attach the program I am
developing, hence have put that in geocities with a sample input. The
files are under
http://www.geocities.com/narenkumaraguru/vcdedit/
The files are
1. main.c.c
2. vcd_read.c.c
3. vcd_read.h.c
4. Makefile.c
5. cntr.vcd.c

Since I couldn't upload files with different names, I postfixed .c
to all of them. Once downloaded please correct the names by removing
the extra .c in them.

Procedure to run it is
1. make
2. ./vcd_read

I'm aint a C wizard. The program is to parse a file format called
the VCD. It is used in VLSI for debugging and waveform dump in
particular. I was writing a library for the format.

Thanks,
Naren.
 
Hi Guys,
I managed to fix this with the help of C veterans.
I am writing this code on behalf of TooMuch Semiconductor Solutions
Pvt. Ltd. - A startup specialising on EDA services & VLSI verification
services. Once this is done, it'll be put in their site with source
code ...
Thanks & Regards,
Naren.



narenkumaraguru@yahoo.co.uk (Narendran Kumaraguru Nathan) wrote in message news:<f2914350.0410032308.27253f7@posting.google.com>...
Hi all,
I'm writing a library to parse the pli format. I'm getting
segmentation fault. Please help me if you can.
Thanks,
Naren.


Hi all,
I am fairly experianced in C. I am writing a program in which I'm
getting a segmentation fault. The problem is that it is getting the
segmentation fault when executing calloc. I tried debugging it, with
no use. I tried to figure out the common reasons (1) Using a memory
location which is not allocated. (2) Using memory which is freed. (3)
Function use before declaration.
I didn't use any other debuggers or tools other than ddd. My
platform is : RH linux 2.4.20-8 & gcc -v ouputs the following

Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.2/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --enable-shared --enable-threads=posix
--disable-checking --with-system-zlib --enable-__cxa_atexit
--host=i386-redhat-linux
Thread model: posix
gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)

I don't understand what to do. I couldn't attach the program I am
developing, hence have put that in geocities with a sample input. The
files are under
http://www.geocities.com/narenkumaraguru/vcdedit/
The files are
1. main.c.c
2. vcd_read.c.c
3. vcd_read.h.c
4. Makefile.c
5. cntr.vcd.c

Since I couldn't upload files with different names, I postfixed .c
to all of them. Once downloaded please correct the names by removing
the extra .c in them.

Procedure to run it is
1. make
2. ./vcd_read

I'm aint a C wizard. The program is to parse a file format called
the VCD. It is used in VLSI for debugging and waveform dump in
particular. I was writing a library for the format.

Thanks,
Naren.
Click to expand...
 
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