102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/* Compatibility symbols for the unimplemented XSI STREAMS extension.
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Copyright (C) 1998-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <shlib-compat.h>
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#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_30)
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# include <errno.h>
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# include <fcntl.h>
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struct strbuf;
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int
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attribute_compat_text_section
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fattach (int fildes, const char *path)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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compat_symbol (libc, fattach, fattach, GLIBC_2_1);
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int
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attribute_compat_text_section
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fdetach (const char *path)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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compat_symbol (libc, fdetach, fdetach, GLIBC_2_1);
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int
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attribute_compat_text_section
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getmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *flagsp)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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compat_symbol (libc, getmsg, getmsg, GLIBC_2_1);
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int
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attribute_compat_text_section
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getpmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *bandp,
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int *flagsp)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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compat_symbol (libc, getpmsg, getpmsg, GLIBC_2_1);
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int
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attribute_compat_text_section
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isastream (int fildes)
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{
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/* In general we do not have a STREAMS implementation and therefore
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return 0. But for invalid file descriptors we have to return an
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error. */
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if (__fcntl (fildes, F_GETFD) < 0)
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return -1;
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/* No STREAM. */
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return 0;
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}
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compat_symbol (libc, isastream, isastream, GLIBC_2_1);
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int
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attribute_compat_text_section
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putmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr,
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int flags)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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compat_symbol (libc, putmsg, putmsg, GLIBC_2_1);
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int
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attribute_compat_text_section
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putpmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr,
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int band, int flags)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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compat_symbol (libc, putpmsg, putpmsg, GLIBC_2_1);
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#endif /* SHLIB_COMPAT */
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