Mercurial > hg > octave-kai > gnulib-hg
changeset 14383:e514f670d508
ioctl: Fix for MacOS X in 64-bit mode.
* lib/ioctl.c (rpl_ioctl): Zero-extend, not sign-extend, the request
value.
Suggested by Eric Blake.
Reported by Markus Gothe <nietzsche@lysator.liu.se>.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 23 Feb 2011 00:01:03 +0100 |
parents | c19d2aef45e7 |
children | 588ed4cdea87 |
files | ChangeLog lib/ioctl.c |
diffstat | 2 files changed, 11 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2011-02-22 Bruno Haible <bruno@clisp.org> + + ioctl: Fix for MacOS X in 64-bit mode. + * lib/ioctl.c (rpl_ioctl): Zero-extend, not sign-extend, the request + value. + Suggested by Eric Blake. + Reported by Markus Gothe <nietzsche@lysator.liu.se>. + 2011-02-22 Jim Meyering <meyering@redhat.com> maint: sc_cpp_indent_check: remove the "only in lib/" restriction
--- a/lib/ioctl.c +++ b/lib/ioctl.c @@ -37,7 +37,9 @@ buf = va_arg (args, void *); va_end (args); - return ioctl (fd, request, buf); + /* Cast 'request' so that when the system's ioctl function takes a 64-bit + request argument, the value gets zero-extended, not sign-extended. */ + return ioctl (fd, (unsigned int) request, buf); } #else /* mingw */