/* oslib.c - functions present only in some unix versions. */
-/* Copyright (C) 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1995,2010 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
- Bash 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.
+ Bash 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.
- Bash 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.
+ Bash 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 Bash; see the file COPYING. If not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
#include <config.h>
#include <bashtypes.h>
-#ifndef _MINIX
+#if defined (HAVE_SYS_PARAM_H)
# include <sys/param.h>
#endif
# include <unistd.h>
#endif
+#if defined (HAVE_LIMITS_H)
+# include <limits.h>
+#endif
+
#include <posixstat.h>
#include <filecntl.h>
#include <bashansi.h>
+#if !defined (HAVE_KILLPG)
+# include <signal.h>
+#endif
+
#include <stdio.h>
#include <errno.h>
-#include <ctype.h>
+#include <chartypes.h>
#include <shell.h>
/*
* Return the total number of available file descriptors.
*
- * On some systems, like 4.2BSD and its descendents, there is a system call
+ * On some systems, like 4.2BSD and its descendants, there is a system call
* that returns the size of the descriptor table: getdtablesize(). There are
* lots of ways to emulate this on non-BSD systems.
*
# else /* !HAVE_UNAME */
int
gethostname (name, namelen)
- int name, namelen;
+ char *name;
+ int namelen;
{
strncpy (name, "unknown", namelen);
name[namelen] = '\0';
#endif /* !S_IFIFO */
}
#endif /* !HAVE_MKFIFO && PROCESS_SUBSTITUTION */
+
+#define DEFAULT_MAXGROUPS 64
+
+int
+getmaxgroups ()
+{
+ static int maxgroups = -1;
+
+ if (maxgroups > 0)
+ return maxgroups;
+
+#if defined (HAVE_SYSCONF) && defined (_SC_NGROUPS_MAX)
+ maxgroups = sysconf (_SC_NGROUPS_MAX);
+#else
+# if defined (NGROUPS_MAX)
+ maxgroups = NGROUPS_MAX;
+# else /* !NGROUPS_MAX */
+# if defined (NGROUPS)
+ maxgroups = NGROUPS;
+# else /* !NGROUPS */
+ maxgroups = DEFAULT_MAXGROUPS;
+# endif /* !NGROUPS */
+# endif /* !NGROUPS_MAX */
+#endif /* !HAVE_SYSCONF || !SC_NGROUPS_MAX */
+
+ if (maxgroups <= 0)
+ maxgroups = DEFAULT_MAXGROUPS;
+
+ return maxgroups;
+}
+
+long
+getmaxchild ()
+{
+ static long maxchild = -1L;
+
+ if (maxchild > 0)
+ return maxchild;
+
+#if defined (HAVE_SYSCONF) && defined (_SC_CHILD_MAX)
+ maxchild = sysconf (_SC_CHILD_MAX);
+#else
+# if defined (CHILD_MAX)
+ maxchild = CHILD_MAX;
+# else
+# if defined (MAXUPRC)
+ maxchild = MAXUPRC;
+# endif /* MAXUPRC */
+# endif /* CHILD_MAX */
+#endif /* !HAVE_SYSCONF || !_SC_CHILD_MAX */
+
+ return (maxchild);
+}