Implement freading and fwriting. * lib/freading.c: New file. * lib/freading.h: Likewise. * m4/freading.m4: Likewise. * modules/freading: Likewise. * modules/freading-tests: Likewise. * tests/test-freading.c: Likewise. * lib/fwriting.c: New file. * lib/fwriting.h: Likewise. * m4/fwriting.m4: Likewise. * modules/fwriting: Likewise. * modules/fwriting-tests: Likewise. * tests/test-fwriting.c: Likewise. * MODULES.html.sh (File stream based Input/Output): Mention them.

Description:
fwriting() function: Determine whether a FILE stream is currently doing writing.

Files:
lib/fwriting.h
lib/fwriting.c
m4/fwriting.m4

Depends-on:
stdbool

configure.ac:
gl_FUNC_FWRITING

Makefile.am:

Include:
"fwriting.h"

License:
LGPL

Maintainer:
Bruno Haible, Eric Blake