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.

Description:
unlink() function: remove a file.

Files:
lib/unlink.c
m4/unlink.m4

Depends-on:
unistd
dosname         [test $REPLACE_UNLINK = 1]
lstat           [test $REPLACE_UNLINK = 1]

configure.ac:
gl_FUNC_UNLINK
if test $REPLACE_UNLINK = 1; then
  AC_LIBOBJ([unlink])
fi
gl_UNISTD_MODULE_INDICATOR([unlink])

Makefile.am:

Include:
<unistd.h>

License:
LGPLv2+

Maintainer:
Eric Blake