Mercurial > gnulib
view m4/reallocarray.m4 @ 40212:8da9577294da
unistr/*, uniconv/*: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size.
* lib/unistr/u-cpy-alloc.h (FUNC): Likewise.
* lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise.
* lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author | Bruno Haible <bruno@clisp.org> |
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date | Sat, 09 Mar 2019 00:01:47 +0100 |
parents | b06060465f09 |
children |
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# reallocarray.m4 serial 2 dnl Copyright (C) 2017-2019 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_REALLOCARRAY], [ dnl Persuade glibc <stdlib.h> to declare reallocarray. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) AC_CHECK_FUNCS([reallocarray]) if test "$ac_cv_func_reallocarray" = no; then HAVE_REALLOCARRAY=0 fi ]) # Prerequisites of lib/reallocarray.c. AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:])