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-rw-r--r--sysdeps/posix/fpathconf.c32
-rw-r--r--sysdeps/posix/pathconf.c154
2 files changed, 149 insertions, 37 deletions
diff --git a/sysdeps/posix/fpathconf.c b/sysdeps/posix/fpathconf.c
index 572c0de0b1..1a2c3742e9 100644
--- a/sysdeps/posix/fpathconf.c
+++ b/sysdeps/posix/fpathconf.c
@@ -1,20 +1,20 @@
 /* Copyright (C) 1991, 1995, 1996 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.  */
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <errno.h>
 #include <stddef.h>
diff --git a/sysdeps/posix/pathconf.c b/sysdeps/posix/pathconf.c
index 9539957777..c06906679d 100644
--- a/sysdeps/posix/pathconf.c
+++ b/sysdeps/posix/pathconf.c
@@ -1,40 +1,152 @@
 /* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   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 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.
+   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.  */
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <errno.h>
 #include <stddef.h>
 #include <unistd.h>
+#include <limits.h>
 #include <fcntl.h>
+#include <sys/statfs.h>
 
 /* Get file-specific information about PATH.  */
 long int
 __pathconf (const char *path, int name)
 {
-  int fd = open (path, 0);
-  if (fd >= 0)
+  if (path[0] == '\0')
     {
-      long int value = __fpathconf (fd, name);
-      int save = errno;
-      (void) close (fd);
-      __set_errno (save);
-      return value;
+      __set_errno (ENOENT);
+      return -1;
     }
-  return -1L;
+
+  switch (name)
+    {
+    default:
+      __set_errno (EINVAL);
+      return -1;
+
+    case _PC_LINK_MAX:
+#ifdef	LINK_MAX
+      return LINK_MAX;
+#else
+      __set_errno (ENOSYS);
+      return -1;
+#endif
+
+    case _PC_MAX_CANON:
+#ifdef	MAX_CANON
+      return MAX_CANON;
+#else
+      __set_errno (ENOSYS);
+      return -1;
+#endif
+
+    case _PC_MAX_INPUT:
+#ifdef	MAX_INPUT
+      return MAX_INPUT;
+#else
+      __set_errno (ENOSYS);
+      return -1;
+#endif
+
+    case _PC_NAME_MAX:
+#ifdef	NAME_MAX
+      {
+	struct statfs buf;
+
+	if (__statfs (path, &buf) < 0)
+	  return errno == ENOSYS ? NAME_MAX : -1;
+	else
+	  return buf.f_namelen;
+      }
+#else
+      __set_errno (ENOSYS);
+      return -1;
+#endif
+
+    case _PC_PATH_MAX:
+#ifdef	PATH_MAX
+      return PATH_MAX;
+#else
+      __set_errno (ENOSYS);
+      return -1;
+#endif
+
+    case _PC_PIPE_BUF:
+#ifdef	PIPE_BUF
+      return PIPE_BUF;
+#else
+      __set_errno (ENOSYS);
+      return -1;
+#endif
+
+    case _PC_CHOWN_RESTRICTED:
+#ifdef	_POSIX_CHOWN_RESTRICTED
+      return _POSIX_CHOWN_RESTRICTED;
+#else
+      return -1;
+#endif
+
+    case _PC_NO_TRUNC:
+#ifdef	_POSIX_NO_TRUNC
+      return _POSIX_NO_TRUNC;
+#else
+      return -1;
+#endif
+
+    case _PC_VDISABLE:
+#ifdef	_POSIX_VDISABLE
+      return _POSIX_VDISABLE;
+#else
+      return -1;
+#endif
+
+    case _PC_SYNC_IO:
+#ifdef	_POSIX_SYNC_IO
+      return _POSIX_SYNC_IO;
+#else
+      return -1;
+#endif
+
+    case _PC_ASYNC_IO:
+#ifdef	_POSIX_ASYNC_IO
+      return _POSIX_ASYNC_IO;
+#else
+      return -1;
+#endif
+
+    case _PC_PRIO_IO:
+#ifdef	_POSIX_PRIO_IO
+      return _POSIX_PRIO_IO;
+#else
+      return -1;
+#endif
+
+    case _PC_SOCK_MAXBUF:
+#ifdef	SOCK_MAXBUF
+      return SOCK_MAXBUF;
+#else
+      __set_errno (ENOSYS);
+      return -1;
+#endif
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
 }
 
 weak_alias (__pathconf, pathconf)