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-rw-r--r--lib/unistd.in.h80
1 files changed, 72 insertions, 8 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 4812fdb1120..bfc501e5a7d 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -541,17 +541,22 @@ _GL_CXXALIASWARN (dup2);
Return newfd if successful, otherwise -1 and errno set.
See the Linux man page at
<https://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */
-# if @HAVE_DUP3@
+# if @REPLACE_DUP3@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef dup3
# define dup3 rpl_dup3
# endif
_GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
_GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
# else
+# if !@HAVE_DUP3@
_GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
+# endif
_GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (dup3);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef dup3
# if HAVE_RAW_DECL_DUP3
@@ -870,7 +875,9 @@ _GL_FUNCDECL_SYS (execvpe, int,
_GL_CXXALIAS_SYS (execvpe, int,
(const char *program, char * const *argv, char * const *env));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (execvpe);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef execvpe
# if HAVE_RAW_DECL_EXECVPE
@@ -925,7 +932,9 @@ _GL_FUNCDECL_SYS (faccessat, int,
_GL_CXXALIAS_SYS (faccessat, int,
(int fd, char const *file, int mode, int flag));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (faccessat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef faccessat
# if HAVE_RAW_DECL_FACCESSAT
@@ -1002,11 +1011,22 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
Return 0 if successful, otherwise -1 and errno set.
See POSIX:2008 specification
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */
-# if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@
+# if @REPLACE_FDATASYNC@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef fdatasync
+# define fdatasync rpl_fdatasync
+# endif
+_GL_FUNCDECL_RPL (fdatasync, int, (int fd));
+_GL_CXXALIAS_RPL (fdatasync, int, (int fd));
+# else
+# if !@HAVE_FDATASYNC@|| !@HAVE_DECL_FDATASYNC@
_GL_FUNCDECL_SYS (fdatasync, int, (int fd));
-# endif
+# endif
_GL_CXXALIAS_SYS (fdatasync, int, (int fd));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (fdatasync);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef fdatasync
# if HAVE_RAW_DECL_FDATASYNC
@@ -1053,7 +1073,9 @@ _GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
# endif
_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (ftruncate);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef ftruncate
# if HAVE_RAW_DECL_FTRUNCATE
@@ -1185,11 +1207,22 @@ _GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - "
#if @GNULIB_GETENTROPY@
/* Fill a buffer with random bytes. */
-# if !@HAVE_GETENTROPY@
+# if @REPLACE_GETENTROPY@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getentropy
+# define getentropy rpl_getentropy
+# endif
+_GL_FUNCDECL_RPL (getentropy, int, (void *buffer, size_t length));
+_GL_CXXALIAS_RPL (getentropy, int, (void *buffer, size_t length));
+# else
+# if !@HAVE_GETENTROPY@
_GL_FUNCDECL_SYS (getentropy, int, (void *buffer, size_t length));
-# endif
+# endif
_GL_CXXALIAS_SYS (getentropy, int, (void *buffer, size_t length));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (getentropy);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef getentropy
# if HAVE_RAW_DECL_GETENTROPY
@@ -1323,7 +1356,9 @@ _GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size)
int size. */
_GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (getlogin_r);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef getlogin_r
# if HAVE_RAW_DECL_GETLOGIN_R
@@ -1661,7 +1696,9 @@ _GL_CXXALIAS_SYS (linkat, int,
(int fd1, const char *path1, int fd2, const char *path2,
int flag));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (linkat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef linkat
# if HAVE_RAW_DECL_LINKAT
@@ -1742,8 +1779,9 @@ _GL_WARN_ON_USE (pipe, "pipe is unportable - "
Return 0 upon success, or -1 with errno set upon failure.
See also the Linux man page at
<https://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */
-# if @HAVE_PIPE2@
+# if @REPLACE_PIPE2@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef pipe2
# define pipe2 rpl_pipe2
# endif
_GL_FUNCDECL_RPL (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
@@ -1752,7 +1790,9 @@ _GL_CXXALIAS_RPL (pipe2, int, (int fd[2], int flags));
_GL_FUNCDECL_SYS (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_SYS (pipe2, int, (int fd[2], int flags));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pipe2);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pipe2
# if HAVE_RAW_DECL_PIPE2
@@ -1787,7 +1827,9 @@ _GL_FUNCDECL_SYS (pread, ssize_t,
_GL_CXXALIAS_SYS (pread, ssize_t,
(int fd, void *buf, size_t bufsize, off_t offset));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pread);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pread
# if HAVE_RAW_DECL_PREAD
@@ -1822,7 +1864,9 @@ _GL_FUNCDECL_SYS (pwrite, ssize_t,
_GL_CXXALIAS_SYS (pwrite, ssize_t,
(int fd, const void *buf, size_t bufsize, off_t offset));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pwrite);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pwrite
# if HAVE_RAW_DECL_PWRITE
@@ -1936,7 +1980,9 @@ _GL_CXXALIAS_SYS (readlinkat, ssize_t,
(int fd, char const *restrict file,
char *restrict buf, size_t len));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (readlinkat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef readlinkat
# if HAVE_RAW_DECL_READLINKAT
@@ -1996,15 +2042,27 @@ _GL_CXXALIASWARN (rmdir);
Platforms with no ability to set the hostname return -1 and set
errno = ENOSYS. */
-# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
+# if @REPLACE_SETHOSTNAME@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef sethostname
+# define sethostname rpl_sethostname
+# endif
+_GL_FUNCDECL_RPL (sethostname, int, (const char *name, size_t len)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (sethostname, int, (const char *name, size_t len));
+# else
+# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
_GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5
and FreeBSD 6.4 the second parameter is int. On Solaris 11
2011-10, the first parameter is not const. */
_GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (sethostname);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef sethostname
# if HAVE_RAW_DECL_SETHOSTNAME
@@ -2113,7 +2171,9 @@ _GL_FUNCDECL_SYS (symlinkat, int,
_GL_CXXALIAS_SYS (symlinkat, int,
(char const *contents, int fd, char const *file));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (symlinkat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef symlinkat
# if HAVE_RAW_DECL_SYMLINKAT
@@ -2143,7 +2203,9 @@ _GL_FUNCDECL_SYS (truncate, int, (const char *filename, off_t length)
# endif
_GL_CXXALIAS_SYS (truncate, int, (const char *filename, off_t length));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (truncate);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef truncate
# if HAVE_RAW_DECL_TRUNCATE
@@ -2173,7 +2235,9 @@ _GL_FUNCDECL_SYS (ttyname_r, int,
_GL_CXXALIAS_SYS (ttyname_r, int,
(int fd, char *buf, size_t buflen));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (ttyname_r);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef ttyname_r
# if HAVE_RAW_DECL_TTYNAME_R