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:
Finds the index of the least-significant set bit.

Files:
lib/ffs.c
m4/ffs.m4

Depends-on:
strings

configure.ac:
gl_FUNC_FFS
if test $HAVE_FFS = 0; then
  AC_LIBOBJ([ffs])
fi
gl_STRINGS_MODULE_INDICATOR([ffs])

Makefile.am:

Include:
<strings.h>

License:
LGPLv2+

Maintainer:
Eric Blake