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bug#17499: current dfa.c can malloc 0 bytes

From: Paul Eggert
Subject: bug#17499: current dfa.c can malloc 0 bytes
Date: Thu, 15 May 2014 12:44:25 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

On 05/15/2014 10:34 AM, Aharon Robbins wrote:
The wrapper only checks for NULL return.

Ah, thanks, that's the problem then: gawk's xmalloc is pickier than grep's, and the extra pickiness is incompatible with what dfa.c expects. I see that gawk's xrealloc is also too picky, but gawk's xcalloc is OK. Attached isa patch to gawk. As this problem does not affect grep I'll close the grep bug.

Attachment: 0001-Port-to-systems-where-malloc-0-and-or-realloc-P-0-re.patch
Description: Text Data

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