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Full Discussion: Segmentation Fault by memcpy
Top Forums Programming Segmentation Fault by memcpy Post 302427410 by jim mcnamara on Saturday 5th of June 2010 09:58:52 AM
Old 06-05-2010
Run a debugger on the file to get the line in the ocde where the segfault occurred.
gcc example:
Code:
gcc -o myprog -g myprog.c
[run your code]
gdb myprog core
gdb> ba

the ba listing - the top one in your code (has a line number) - not in a library - is the point in your code where the problem was triggered.
 

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NANA(1) 						      General Commands Manual							   NANA(1)

NAME
nana - generates debugger commands from C and C++ source code SYNOPSIS
nana [cpp-flags] files... DESCRIPTION
Generates gdb(1) commands from the arguments which implement the assertion and logging operations specified by macros such as DI(3) and DL(3). The output of nana(1) can then be sourced into gdb(1) to perform these operations. Note that you must provide any C preprocessor flags you are using to nana since these can change the code that is generated by the com- piler. SEE ALSO
nana-clg(1), nana(3), I(3), DI(3), L(3), DL(3), Q(3) and nana.info. The nana.info file is the primary documentation. AUTHOR
Phil Maker <pjm@gnu.org> NANA(1)
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