Extra files from coreutils required for getloadavg.c to compile

on Tru64 (Ciro Iriarte - 1520331)


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1446 f882894a-f735-0410-b71e-b25c423dba1c

12 files changed, 369 insertions, 0 deletions

diff --git a/lib/creat-safer.c b/lib/creat-safer.c
new file mode 100644
index 00000000..4588de39
--- /dev/null
+++ b/lib/creat-safer.c
@@ -0,0 +1,33 @@
+/* Invoke creat, but avoid some glitches.
+   Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Jim Meyering.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "fcntl-safer.h"
+
+#include <fcntl.h>
+#include "unistd-safer.h"
+
+int
+creat_safer (char const *file, mode_t mode)
+{
+  return fd_safer (creat (file, mode));
+}
diff --git a/lib/dup-safer.c b/lib/dup-safer.c
new file mode 100644
index 00000000..8cbee700
--- /dev/null
+++ b/lib/dup-safer.c
@@ -0,0 +1,46 @@
+/* Invoke dup, but avoid some glitches.
+   Copyright (C) 2001, 2004, 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "unistd-safer.h"
+
+#include <fcntl.h>
+
+#include <unistd.h>
+#ifndef STDERR_FILENO
+# define STDERR_FILENO 2
+#endif
+
+/* Like dup, but do not return STDIN_FILENO, STDOUT_FILENO, or
+   STDERR_FILENO.  */
+
+int
+dup_safer (int fd)
+{
+#ifdef F_DUPFD
+  return fcntl (fd, F_DUPFD, STDERR_FILENO + 1);
+#else
+  /* fd_safer calls us back, but eventually the recursion unwinds and
+     does the right thing.  */
+  return fd_safer (dup (fd));
+#endif
+}
diff --git a/lib/fcntl--.h b/lib/fcntl--.h
new file mode 100644
index 00000000..51b869e6
--- /dev/null
+++ b/lib/fcntl--.h
@@ -0,0 +1,28 @@
+/* Like fcntl.h, but redefine some names to avoid glitches.
+
+   Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#include <fcntl.h>
+#include "fcntl-safer.h"
+
+#undef open
+#define open open_safer
+
+#undef creat
+#define creat creat_safer
diff --git a/lib/fcntl-safer.h b/lib/fcntl-safer.h
new file mode 100644
index 00000000..cab6aab1
--- /dev/null
+++ b/lib/fcntl-safer.h
@@ -0,0 +1,24 @@
+/* Invoke fcntl-like functions, but avoid some glitches.
+
+   Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#include <sys/types.h>
+
+int open_safer (char const *, int, ...);
+int creat_safer (char const *, mode_t);
diff --git a/lib/fd-safer.c b/lib/fd-safer.c
new file mode 100644
index 00000000..5933bcbd
--- /dev/null
+++ b/lib/fd-safer.c
@@ -0,0 +1,59 @@
+/* Return a safer copy of a file descriptor.
+
+   Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "unistd-safer.h"
+
+#include <errno.h>
+
+#include <unistd.h>
+#ifndef STDIN_FILENO
+# define STDIN_FILENO 0
+#endif
+#ifndef STDERR_FILENO
+# define STDERR_FILENO 2
+#endif
+
+/* Return FD, unless FD would be a copy of standard input, output, or
+   error; in that case, return a duplicate of FD, closing FD.  On
+   failure to duplicate, close FD, set errno, and return -1.  Preserve
+   errno if FD is negative, so that the caller can always inspect
+   errno when the returned value is negative.
+
+   This function is usefully wrapped around functions that return file
+   descriptors, e.g., fd_safer (open ("file", O_RDONLY)).  */
+
+int
+fd_safer (int fd)
+{
+  if (STDIN_FILENO <= fd && fd <= STDERR_FILENO)
+    {
+      int f = dup_safer (fd);
+      int e = errno;
+      close (fd);
+      errno = e;
+      fd = f;
+    }
+
+  return fd;
+}
diff --git a/lib/open-safer.c b/lib/open-safer.c
new file mode 100644
index 00000000..d3ba894a
--- /dev/null
+++ b/lib/open-safer.c
@@ -0,0 +1,51 @@
+/* Invoke open, but avoid some glitches.
+   Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "fcntl-safer.h"
+
+#include <fcntl.h>
+#include <stdarg.h>
+#include "unistd-safer.h"
+
+int
+open_safer (char const *file, int flags, ...)
+{
+  mode_t mode = 0;
+
+  if (flags & O_CREAT)
+    {
+      va_list ap;
+      va_start (ap, flags);
+
+      /* Assume mode_t promotes to int if and only if it is smaller.
+	 This assumption isn't guaranteed by the C standard, but we
+	 don't know of any real-world counterexamples.  */
+      mode = (sizeof (mode_t) < sizeof (int)
+	      ? va_arg (ap, int)
+	      : va_arg (ap, mode_t));
+
+      va_end (ap);
+    }
+
+  return fd_safer (open (file, flags, mode));
+}
diff --git a/lib/pipe-safer.c b/lib/pipe-safer.c
new file mode 100644
index 00000000..fb02d721
--- /dev/null
+++ b/lib/pipe-safer.c
@@ -0,0 +1,50 @@
+/* Invoke pipe, but avoid some glitches.
+   Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Jim Meyering.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "unistd-safer.h"
+
+#include <unistd.h>
+
+/* Like pipe, but ensure that neither of the file descriptors is
+   STDIN_FILENO, STDOUT_FILENO, or STDERR_FILENO.  */
+
+int
+pipe_safer (int fd[2])
+{
+  int fail = pipe (fd);
+  if (fail)
+    return fail;
+
+  {
+    int i;
+    for (i = 0; i < 2; i++)
+      {
+	int f = fd_safer (fd[i]);
+	if (f < 0)
+	  return -1;
+	fd[i] = f;
+      }
+  }
+
+  return 0;
+}
diff --git a/lib/unistd--.h b/lib/unistd--.h
new file mode 100644
index 00000000..1fe6ce8b
--- /dev/null
+++ b/lib/unistd--.h
@@ -0,0 +1,28 @@
+/* Like unistd.h, but redefine some names to avoid glitches.
+
+   Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#include <unistd.h>
+#include "unistd-safer.h"
+
+#undef dup
+#define dup dup_safer
+
+#undef pipe
+#define pipe pipe_safer
diff --git a/lib/unistd-safer.h b/lib/unistd-safer.h
new file mode 100644
index 00000000..f95999d3
--- /dev/null
+++ b/lib/unistd-safer.h
@@ -0,0 +1,23 @@
+/* Invoke unistd-like functions, but avoid some glitches.
+
+   Copyright (C) 2001, 2003, 2005 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+int dup_safer (int);
+int fd_safer (int);
+int pipe_safer (int[2]);
diff --git a/m4/fcntl-safer.m4 b/m4/fcntl-safer.m4
new file mode 100644
index 00000000..be210f9a
--- /dev/null
+++ b/m4/fcntl-safer.m4
@@ -0,0 +1,12 @@
+#serial 2
+dnl Copyright (C) 2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FCNTL_SAFER],
+[
+  AC_LIBSOURCES([creat-safer.c, fcntl-safer.h, open-safer.c, fcntl--.h])
+  AC_LIBOBJ([open-safer])
+  AC_LIBOBJ([creat-safer])
+])
diff --git a/m4/np_coreutils.m4 b/m4/np_coreutils.m4
index 23d55e44..5360bbd0 100644
--- a/m4/np_coreutils.m4
+++ b/m4/np_coreutils.m4
@@ -13,11 +13,13 @@ AC_DEFUN([np_COREUTILS],
   AC_REQUIRE([AM_STDBOOL_H])
   AC_REQUIRE([gl_C_STRTOLD])
   AC_REQUIRE([gl_EXITFAIL])
+  AC_REQUIRE([gl_FCNTL_SAFER])
   AC_REQUIRE([gl_FSUSAGE])
   AC_REQUIRE([gl_FUNC_ALLOCA])
   AC_REQUIRE([gl_GETOPT])
   AC_REQUIRE([gl_MOUNTLIST])
   AC_REQUIRE([gl_REGEX])
+  AC_REQUIRE([gl_UNISTD_SAFER])
   AC_REQUIRE([gl_XALLOC])
   AC_REQUIRE([gl_FUNC_GLIBC_UNLOCKED_IO])
 
diff --git a/m4/unistd-safer.m4 b/m4/unistd-safer.m4
new file mode 100644
index 00000000..6fbe4c6f
--- /dev/null
+++ b/m4/unistd-safer.m4
@@ -0,0 +1,13 @@
+#serial 7
+dnl Copyright (C) 2002, 2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_UNISTD_SAFER],
+[
+  AC_LIBSOURCES([dup-safer.c, fd-safer.c, pipe-safer.c, unistd-safer.h, unistd--.h])
+  AC_LIBOBJ([dup-safer])
+  AC_LIBOBJ([fd-safer])
+  AC_LIBOBJ([pipe-safer])
+])