Eric Blake
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a918da4d61
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ffs: new module
Libvirt wants to use ffs() to avoid dragging in -lm for log2().
* modules/ffs: New file.
* m4/ffs.m4: Likewise.
* lib/ffs.c: Likewise.
* m4/strings_h.m4 (gl_HEADER_STRINGS_H_DEFAULTS): Add default.
* modules/strings (Makefile.am): Substitute witness.
(Depends-on): Add c++defs.
* lib/strings.in.h (ffs): Declare.
* modules/ffs-tests: New test file.
* tests/test-ffs.c: Test new module.
* MODULES.html.sh (Integer arithmetic functions): Mention it.
* doc/posix-functions/ffs.texi (ffs): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
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2011-07-11 17:18:25 -06:00 |
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