Mercurial > gnulib
view tests/test-fdatasync.c @ 40231:9b3c79fdfe0b
strtod: fix clash with strtold
Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817).
* lib/strtod.c (compute_minus_zero, minus_zero):
Simplify by remving the macro / external variable,
and having just a function. User changed. This avoids
the need for an external variable that might clash.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Mon, 11 Mar 2019 16:40:29 -0700 |
parents | b06060465f09 |
children |
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/* Test of fdatasync() function. Copyright (C) 2008-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> #include <unistd.h> #include "signature.h" SIGNATURE_CHECK (fdatasync, int, (int)); #include <errno.h> #include <fcntl.h> #include "macros.h" int main (void) { int fd; const char *file = "test-fdatasync.txt"; /* Assuming stdin and stdout are ttys, fdatasync is allowed to fail, but may succeed as an extension. */ for (fd = 0; fd < 2; fd++) if (fdatasync (fd) != 0) { ASSERT (errno == EINVAL /* POSIX */ || errno == ENOTSUP /* seen on Mac OS X 10.5 */ || errno == EBADF /* seen on AIX 7.1 */ || errno == EIO /* seen on mingw */ ); } /* fdatasync must fail on invalid fd. */ { errno = 0; ASSERT (fdatasync (-1) == -1); ASSERT (errno == EBADF); } { close (99); errno = 0; ASSERT (fdatasync (99) == -1); ASSERT (errno == EBADF); } fd = open (file, O_WRONLY|O_CREAT|O_TRUNC, 0644); ASSERT (0 <= fd); ASSERT (write (fd, "hello", 5) == 5); ASSERT (fdatasync (fd) == 0); ASSERT (close (fd) == 0); #if 0 /* POSIX is self-contradictory on whether fdatasync must fail on read-only file descriptors. Glibc allows it, as does our implementation if fsync allows it. */ fd = open (file, O_RDONLY); ASSERT (0 <= fd); errno = 0; ASSERT (fdatasync (fd) == -1); ASSERT (errno == EBADF); ASSERT (close (fd) == 0); #endif ASSERT (unlink (file) == 0); return 0; }