view modules/isnanf-nolibm @ 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>
date Sat, 09 Mar 2019 00:01:47 +0100
parents 186093939c9d
children
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Description:
isnanf() function: test for NaN, without requiring libm.

Files:
lib/isnanf-nolibm.h
lib/isnanf.c
lib/isnan.c
lib/float+.h
m4/exponentf.m4
m4/isnanf.m4

Depends-on:
fpieee
memcmp

configure.ac:
gl_FUNC_ISNANF_NO_LIBM
if test $gl_func_isnanf_no_libm != yes; then
  AC_LIBOBJ([isnanf])
  gl_PREREQ_ISNANF
fi

Makefile.am:

Include:
"isnanf-nolibm.h"

License:
LGPLv2+

Maintainer:
all