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Fix undefined behaviour. * lib/bitrotate.h (rotl16, rotr16, rotl8, rotr8): Case x to 'unsigned int', to avoid shift operations on 'int'. * lib/xmemdup0.c (xmemdup0): Don't invoke memcpy with a zero size. * tests/test-count-leading-zeros.c (main): Use a random number that has as many bits as TYPE, not only 2*15 or 2*31 bits. * tests/test-count-trailing-zeros.c (main): Likewise. * tests/test-count-one-bits.c (main): Likewise. * tests/test-memmem.c: Don't include "null-ptr.h". (main): Use zerosize_ptr() instead of null_ptr(). * modules/memmem-tests (Files): Remove tests/null-ptr.h.
author Bruno Haible <bruno@clisp.org>
date Sat, 09 Mar 2019 20:32:25 +0100
parents 41bd1e8f88b2
children
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@node execinfo.h
@section @file{execinfo.h}

Declares the functions @code{backtrace}, @code{backtrace_symbols},
@code{backtrace_symbols_fd}.

Documentation:
@itemize
@item
@ifinfo
@ref{Backtraces,,,libc},
@end ifinfo
@ifnotinfo
@url{https://www.gnu.org/software/libc/manual/html_node/Backtraces.html},
@end ifnotinfo
@item
@uref{https://www.kernel.org/doc/man-pages/online/pages/man3/backtrace.3.html,,man backtrace}.
@end itemize

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@item
This header file is missing on some platforms:
Mac OS X 10.3, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
On platforms where the header file is missing,
the Gnulib substitute implementation is just a stub,
and does nothing.
@end itemize