initial import

38 files changed, 5773 insertions, 0 deletions

diff --git a/posix/.cvsignore b/posix/.cvsignore
new file mode 100644
index 0000000000..1f69fd919a
--- /dev/null
+++ b/posix/.cvsignore
@@ -0,0 +1,4 @@
+*.gz *.Z *.tar *.tgz
+=*
+TODO COPYING* AUTHORS copyr-* copying.*
+glibc-*
diff --git a/posix/Makefile b/posix/Makefile
new file mode 100644
index 0000000000..b6851b99f3
--- /dev/null
+++ b/posix/Makefile
@@ -0,0 +1,84 @@
+# Copyright (C) 1991, 1992, 1993, 1994, 1995 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 Library General Public License as
+# published by the Free Software Foundation; either version 2 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
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB.  If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+#
+#	Sub-makefile for POSIX portion of the library.
+#
+subdir	:= posix
+
+headers	:= sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h	\
+	   glob.h wordexp.h fnmatch.h gnu/types.h getopt.h		\
+	   posix1_lim.h posix2_lim.h posix_opt.h local_lim.h tar.h	\
+	   utsnamelen.h confname.h waitflags.h waitstatus.h sys/unistd.h
+
+distribute := confstr.h
+
+routines :=								      \
+	uname								      \
+	times								      \
+	wait waitpid wait3 wait4					      \
+	alarm sleep pause						      \
+	fork vfork _exit	      					      \
+	execve fexecve execv execle execl execvp execlp			      \
+	getpid getppid							      \
+	getuid geteuid getgid getegid getgroups setuid setgid		      \
+	getpgid setpgid getpgrp setsid					      \
+	getlogin setlogin						      \
+	pathconf sysconf fpathconf					      \
+	glob fnmatch							      \
+	confstr								      \
+	getopt getopt1
+aux		:= init-posix
+tests		:= tstgetopt testfnm
+others		:= getconf
+install-bin	:= getconf
+install-lib	:= libposix.a
+gpl2lgpl := getopt.c getopt1.c getopt.h	# Frob these guys' copying notices.
+
+include ../Rules
+
+$(objpfx)libposix.a: $(dep-dummy-lib); $(make-dummy-lib)
+lib: $(objpfx)libposix.a
+
+# Make the standalone glob/fnmatch package.
+
+glob.tar: glob/ChangeLog glob/COPYING.LIB \
+	  glob/Makefile.in glob/configure glob/configure.in glob/configure.bat\
+	  glob/fnmatch.h glob/glob.h glob/fnmatch.c glob/glob.c	  
+	tar cho$(verbose)f $@ $^
+glob/%.c: %.c
+	rm -f $@
+	ln -s ../$< $@
+glob/%.h: %.h
+	rm -f $@
+	ln -s ../$< $@
+
+glob/configure: glob/configure.in
+	cd glob; autoconf $(ACFLAGS)
+
+glob/ChangeLog: ../ChangeLog
+	changelog-extract --regexp 'posix/(glob|fnmatch).*' < $< > $@.new
+	chmod a-w $@.new
+	mv -f $@.new $@
+
+%.Z: %
+	compress -c $< > $@-tmp
+	mv $@-tmp $@
+%.gz: %
+	gzip -9v -c $< > $@-tmp
+	mv $@-tmp $@
diff --git a/posix/confstr.c b/posix/confstr.c
new file mode 100644
index 0000000000..5b4a7bea93
--- /dev/null
+++ b/posix/confstr.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1991 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stddef.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <confstr.h>
+
+/* If BUF is not NULL, fill in at most LEN characters of BUF
+   with the value corresponding to NAME.  Return the number
+   of characters required to hold NAME's entire value.  */
+size_t
+DEFUN(confstr, (name, buf, len),
+      int name AND char *buf AND size_t len)
+{
+  CONST char *string;
+  size_t string_len;
+
+  switch (name)
+    {
+    case _CS_PATH:
+      {
+	static CONST char cs_path[] = CS_PATH;
+	string = cs_path;
+	string_len = sizeof(cs_path);
+      }
+      break;
+
+    default:
+      errno = EINVAL;
+      return 0;
+    }
+
+  if (buf != NULL)
+    (void) strncpy(buf, string, len);
+  return string_len;
+}
diff --git a/posix/execl.c b/posix/execl.c
new file mode 100644
index 0000000000..9aa13b958f
--- /dev/null
+++ b/posix/execl.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991, 1992, 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stddef.h>
+
+#ifndef	HAVE_GNU_LD
+#define	__environ	environ
+#endif
+
+/* Execute PATH with all arguments after PATH until
+   a NULL pointer and environment from `environ'.  */
+int
+DEFUN(execl, (path, arg), CONST char *path AND CONST char *arg DOTS)
+{
+  CONST char *argv[1024];
+  register unsigned int i;
+  va_list args;
+
+  argv[0] = arg;
+
+  va_start (args, arg);
+  i = 1;
+  do
+    {
+      argv[i] = va_arg (args, CONST char *);
+    } while (argv[i++] != NULL);
+  va_end (args);
+
+  return __execve (path, (char *CONST *) argv, __environ);
+}
diff --git a/posix/execle.c b/posix/execle.c
new file mode 100644
index 0000000000..a36d49a407
--- /dev/null
+++ b/posix/execle.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1991 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stddef.h>
+
+/* Execute PATH with all arguments after PATH until a NULL pointer,
+   and the argument after that for environment.  */
+int
+DEFUN(execle, (path), CONST char *path AND CONST char *arg DOTS)
+{
+  CONST char *argv[1024], *CONST *envp;
+  register unsigned int i;
+  va_list args;
+
+  va_start(args, arg);
+  argv[0] = arg;
+  i = 1;
+  do
+    {
+      argv[i] = va_arg(args, CONST char *);
+    } while (argv[i++] != NULL);
+
+  envp = va_arg(args, CONST char *CONST *);
+  va_end(args);
+
+  return __execve(path, (char *CONST *) argv, (char *CONST *) envp);
+}
diff --git a/posix/execlp.c b/posix/execlp.c
new file mode 100644
index 0000000000..af09dacafd
--- /dev/null
+++ b/posix/execlp.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 1991, 1993 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stddef.h>
+
+/* Execute FILE, searching in the `PATH' environment variable if
+   it contains no slashes, with all arguments after FILE until a
+   NULL pointer and environment from `environ'.  */
+int
+DEFUN(execlp, (file), CONST char *file DOTS)
+{
+  CONST char *argv[1024];
+  register unsigned int i;
+  va_list args;
+
+  va_start (args, file);
+
+  i = 0;
+  do
+    argv[i] = va_arg (args, CONST char *);
+  while (argv[i++] != NULL);
+
+  va_end (args);
+
+  return execvp (file, (char *CONST *) argv);
+}
diff --git a/posix/execv.c b/posix/execv.c
new file mode 100644
index 0000000000..1749e24631
--- /dev/null
+++ b/posix/execv.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 1991, 1992 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+
+#ifndef	HAVE_GNU_LD
+#define	__environ	environ
+#endif
+
+/* Execute PATH with arguments ARGV and environment from `environ'.  */
+int
+DEFUN(execv, (path, argv), CONST char *path AND char *CONST argv[])
+{
+  return __execve(path, argv, __environ);
+}
diff --git a/posix/execvp.c b/posix/execvp.c
new file mode 100644
index 0000000000..01ae0d10a9
--- /dev/null
+++ b/posix/execvp.c
@@ -0,0 +1,112 @@
+/* Copyright (C) 1991, 1992 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <limits.h>
+#include <sys/types.h>
+
+#ifndef	HAVE_GNU_LD
+#define	__environ	environ
+#endif
+
+/* Execute FILE, searching in the `PATH' environment variable if it contains
+   no slashes, with arguments ARGV and environment from `environ'.  */
+int
+DEFUN(execvp, (file, argv), CONST char *file AND char *CONST argv[])
+{
+  if (strchr (file, '/') == NULL)
+    {
+      char *path, *p;
+      struct stat st;
+      size_t len;
+      uid_t uid;
+      gid_t gid;
+      int ngroups;
+      gid_t groups[NGROUPS_MAX];
+      char *name;
+
+      path = getenv ("PATH");
+      if (path == NULL)
+	{
+	  /* There is no `PATH' in the environment.
+	     The default search path is the current directory
+	     followed by the path `confstr' returns for `_CS_PATH'.  */
+	  len = confstr (_CS_PATH, (char *) NULL, 0);
+	  path = (char *) __alloca (1 + len);
+	  path[0] = ':';
+	  (void) confstr (_CS_PATH, path + 1, len);
+	}
+
+      len = strlen (file) + 1;
+      name = __alloca (strlen (path) + len);
+      uid = geteuid ();
+      gid = getegid ();
+      ngroups = getgroups (sizeof (groups) / sizeof (groups[0]), groups);
+      p = path;
+      do
+	{
+	  path = p;
+	  p = strchr (path, ':');
+	  if (p == NULL)
+	    p = strchr (path, '\0');
+
+	  if (p == path)
+	    /* Two adjacent colons, or a colon at the beginning or the end
+	       of `PATH' means to search the current directory.  */
+	    (void) memcpy (name, file, len);
+	  else
+	    {
+	      /* Construct the pathname to try.  */
+	      (void) memcpy (name, path, p - path);
+	      name[p - path] = '/';
+	      (void) memcpy (&name[(p - path) + 1], file, len);
+	    }
+	  if (stat (name, &st) == 0 && S_ISREG (st.st_mode))
+	    {
+	      int bit = S_IXOTH;
+	      if (st.st_uid == uid)
+		bit = S_IXUSR;
+	      else if (st.st_gid == gid)
+		bit = S_IXGRP;
+	      else
+		{
+		  register int i;
+		  for (i = 0; i < ngroups; ++i)
+		    if (st.st_gid == groups[i])
+		      {
+			bit = S_IXGRP;
+			break;
+		      }
+		}
+	      if (st.st_mode & bit)
+		{
+		  file = name;
+		  break;
+		}
+	    }
+	}
+      while (*p++ != '\0');
+    }
+<