[Valgrind-users] strcat bug

[Leonard m. <spa...@ya...>]

I extracted a valgrind-flagged problem into this simple little C
program:

#include <string.h>

int main()
{
  char buffer[ 1024 ];
  char name  [ 64 ];

  strcpy( buffer, "[" );
  strcpy( name, "why did the chicken cross the road" );
  strcat( name, buffer );
}

valgrind CVS says:

==3194== Source and destination overlap in strcat(0xbfffede0,
0xbfffee20)
==3194==    at 0x40022FD4: strcat (mc_replace_strmem.c:59)
==3194==    by 0x8048412: main (tst.C:10)
==3194==    by 0x4031D4A1: __libc_start_main (in /lib/libc.so.6)
==3194==    by 0x8048320: (within /home/rhh/tst)

Hmmm...  Either I need more coffee this morning (a distinct
possibility), or this could be a valgrind bug.

Randall


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