Re: [PATCH v2 05/10] Make gnulib's regcomp not abort()

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Re: [PATCH v2 05/10] Make gnulib's regcomp not abort()

From:	Paul Eggert
Subject:	Re: [PATCH v2 05/10] Make gnulib's regcomp not abort()
Date:	Wed, 1 Dec 2021 19:18:52 -0800
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0

It's not clear why this change is needed. POSIX says that for regerror"the application shall ensure is the last non-zero value returned byregcomp() or regexec() with the given value of preg". If an applicationviolates a "shall" requirement, behavior is undefined so it's OK forregerror to abort in that case.

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[PATCH v2 04/10] Fix width computation, (continued)
- [PATCH v2 04/10] Fix width computation, Robbie Harwood, 2021/12/01
- [PATCH v2 03/10] gnulib/regexec: Resolve unused variable, Robbie Harwood, 2021/12/01
  - Re: [PATCH v2 03/10] gnulib/regexec: Resolve unused variable, Paul Eggert, 2021/12/01
    - Re: [PATCH v2 03/10] gnulib/regexec: Resolve unused variable, Robbie Harwood, 2021/12/07
- [PATCH v2 02/10] gnulib/regexec: Fix possible null-dereference, Robbie Harwood, 2021/12/01
  - Re: [PATCH v2 02/10] gnulib/regexec: Fix possible null-dereference, Paul Eggert, 2021/12/01
    - Re: [PATCH v2 02/10] gnulib/regexec: Fix possible null-dereference, Robbie Harwood, 2021/12/07
    - Re: [PATCH v2 02/10] gnulib/regexec: Fix possible null-dereference, Paul Eggert, 2021/12/07
    - Re: [PATCH v2 02/10] gnulib/regexec: Fix possible null-dereference, Robbie Harwood, 2021/12/09
- [PATCH v2 05/10] Make gnulib's regcomp not abort(), Robbie Harwood, 2021/12/01
  - Re: [PATCH v2 05/10] Make gnulib's regcomp not abort(), Paul Eggert <=
  - Re: [PATCH v2 05/10] Make gnulib's regcomp not abort(), Paul Eggert, 2021/12/01
    - Re: [PATCH v2 05/10] Make gnulib's regcomp not abort(), Paul Eggert, 2021/12/03
    - Re: [PATCH v2 05/10] Make gnulib's regcomp not abort(), Robbie Harwood, 2021/12/07
    - Re: [PATCH v2 05/10] Make gnulib's regcomp not abort(), Paul Eggert, 2021/12/07
- [PATCH v2 06/10] Make CFLAGS less painful, Robbie Harwood, 2021/12/01
- [PATCH v2 07/10] Fix __argp_fmtstream_point()'s return type and comparisons with it, Robbie Harwood, 2021/12/01
- [PATCH v2 08/10] Fix up a bunch of "gcc -Werror=sign-compare" complaints, Robbie Harwood, 2021/12/01
  - Re: [PATCH v2 08/10] Fix up a bunch of "gcc -Werror=sign-compare" complaints, Paul Eggert, 2021/12/01
    - Re: [PATCH v2 08/10] Fix up a bunch of "gcc -Werror=sign-compare" complaints, Robbie Harwood, 2021/12/07
    - Re: [PATCH v2 08/10] Fix up a bunch of "gcc -Werror=sign-compare" complaints, Paul Eggert, 2021/12/07

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