Re: [PATCH] dfa: don't overrun a malloc'd buffer for certain regexps

[Jim Meyering]

Jim Meyering wrote:
...
> Thanks.
>
> I've added the fixes in dfasearch.c and pcresearch.c and put your name on it.
> Let me know if you'd like to change anything before I push it.
...
> Subject: [PATCH] dfa: avoid possibility of overflow
>
> * src/dfa.c (REALLOC_IF_NECESSARY, CALLOC, MALLOC, REALLOC):
> Use functions from xalloc.h to avoid overflow.
> * src/dfasearch.c (GEAcompile): Use xnrealloc rather than realloc.
> * src/pcresearch.c (Pcompile): Use xnmalloc, not xmalloc.
> ---
>  src/dfa.c        |   23 ++++++++++++-----------
>  src/dfasearch.c  |    4 +---
>  src/pcresearch.c |    2 +-
>  3 files changed, 14 insertions(+), 15 deletions(-)

Paul ACK'd that privately, so I've pushed it.