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isatty: Make it return true in Cygwin consoles on native Windows. * lib/isatty.c: Include <string.h>. (GetProcAddress): New macro. (GetNamedPipeClientProcessIdFuncType): New type. (GetNamedPipeClientProcessIdFunc): New variable. (QueryFullProcessImageNameFuncType): New type. (QueryFullProcessImageNameFunc): New variable. (initialized): New variable. (initialize): New function. (IsCygwinConsoleHandle): New function. (isatty): Invoke it. * doc/posix-functions/isatty.texi: Mention the issue.
author Bruno Haible <bruno@clisp.org>
date Thu, 14 Mar 2019 23:54:28 +0100
parents 1f14c6dd175d
children
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Description:
log2() function: base 2 logarithm.

Files:
lib/log2.c
m4/log2.m4
m4/mathfunc.m4

Depends-on:
math
extensions
isnand          [test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1]
frexp           [test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1]
log             [test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1]

configure.ac:
gl_FUNC_LOG2
if test $HAVE_LOG2 = 0 || test $REPLACE_LOG2 = 1; then
  AC_LIBOBJ([log2])
fi
gl_MATH_MODULE_INDICATOR([log2])

Makefile.am:

Include:
<math.h>

Link:
$(LOG2_LIBM)

License:
LGPL

Maintainer:
all