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unictype/numeric: Fix undefined behaviour. Reported by Jeffrey Walton <noloader@gmail.com>. * lib/unictype/numeric.c (uc_numeric_value): Avoid undefined behaviour on shift overflow, caught by "gcc -fsanitize=undefined". * lib/unictype/bidi_of.c (uc_bidi_class): Add cast, for clarity. * lib/unictype/categ_of.c (lookup_withtable): Likewise. * lib/unictype/joininggroup_of.c (uc_joining_group): Likewise.
author Bruno Haible <bruno@clisp.org>
date Fri, 08 Mar 2019 19:17:37 +0100
parents a72ac603a92f
children
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Description:
putenv() function: change or add an environment variable.

Files:
lib/putenv.c
m4/putenv.m4

Depends-on:
stdlib
environ         [test $REPLACE_PUTENV = 1]
malloc-posix    [test $REPLACE_PUTENV = 1]

configure.ac:
gl_FUNC_PUTENV
if test $REPLACE_PUTENV = 1; then
  AC_LIBOBJ([putenv])
  gl_PREREQ_PUTENV
fi
gl_STDLIB_MODULE_INDICATOR([putenv])

Makefile.am:

Include:
<stdlib.h>

License:
LGPL

Maintainer:
Jim Meyering, glibc