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/* Compatibility symbols for the unimplemented XSI STREAMS extension.
Copyright (C) 1998-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <shlib-compat.h>
#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_30)
# include <errno.h>
# include <fcntl.h>
struct strbuf;
int
attribute_compat_text_section
fattach (int fildes, const char *path)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, fattach, fattach, GLIBC_2_1);
int
attribute_compat_text_section
fdetach (const char *path)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, fdetach, fdetach, GLIBC_2_1);
int
attribute_compat_text_section
getmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *flagsp)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, getmsg, getmsg, GLIBC_2_1);
int
attribute_compat_text_section
getpmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *bandp,
int *flagsp)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, getpmsg, getpmsg, GLIBC_2_1);
int
attribute_compat_text_section
isastream (int fildes)
{
/* In general we do not have a STREAMS implementation and therefore
return 0. But for invalid file descriptors we have to return an
error. */
if (__fcntl (fildes, F_GETFD) < 0)
return -1;
/* No STREAM. */
return 0;
}
compat_symbol (libc, isastream, isastream, GLIBC_2_1);
int
attribute_compat_text_section
putmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr,
int flags)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, putmsg, putmsg, GLIBC_2_1);
int
attribute_compat_text_section
putpmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr,
int band, int flags)
{
__set_errno (ENOSYS);
return -1;
}
compat_symbol (libc, putpmsg, putpmsg, GLIBC_2_1);
#endif /* SHLIB_COMPAT */
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