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Top Forums Programming Why segmentation(coredump) in the following code in C? Post 302530244 by jim mcnamara on Monday 13th of June 2011 10:44:03 AM
Old 06-13-2011
As a guess - strcat(). cRes is not large enough to have extra characters added on the end.

Best idea - compile with the -g flag. When a core dumpp occurs use the debugger:
gdb example
Code:
gdb myfile core
> ba

ba will print the current stack with line numbers. I am betting on the line with strcat() as the culprit.

Last edited by jim mcnamara; 06-13-2011 at 11:51 AM..
 

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gcore(1)							     GNU Tools								  gcore(1)

NAME
gcore - Generate a core file for a running process SYNOPSIS
gcore [-o filename] pid DESCRIPTION
gcore generates a core file for the process specified by its process ID, pid. By default, the core file is written to core.pid, in the cur- rent directory. -o filename write core file to filename instead of core.pid COPYING
Copyright (C) 2003, 2005, 2007, 2008 Free Software Foundation, Inc. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions, except that this permission notice may be included in translations approved by the Free Software Foundation instead of in the original English. SEE ALSO
gdb(1), core(5) gdb 6.8 May 2007 gcore(1)
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