* sysdeps/unix/sysv/linux/pathconf.h (statfs_link_max): Add inline.

	(statfs_filesize_max): New function.
	* sysdeps/unix/sysv/linux/linux_fsinfo.h (JFFS_SUPER_MAGIC,
	JFFS2_SUPER_MAGIC, JFS_SUPER_MAGIC, NTFS_SUPER_MAGIC,
	ROMFS_SUPER_MAGIC, UDF_SUPER_MAGIC): Define.
	* sysdeps/unix/sysv/linux/fpathconf.c (__fpathconf): Use
	statfs_filesize_max.
	* sysdeps/unix/sysv/linux/pathconf.c (__pathconf): Likewise.
	* sysdeps/unix/sysv/linux/alpha/fpathconf.c: Removed.
	* sysdeps/unix/sysv/linux/alpha/pathconf.c: Removed.

7 files changed, 88 insertions, 112 deletions

diff --git a/ChangeLog b/ChangeLog
index 660f002..ff5d1ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2002-10-18  Jakub Jelinek  <jakub@redhat.com>
+
+	* sysdeps/unix/sysv/linux/pathconf.h (statfs_link_max): Add inline.
+	(statfs_filesize_max): New function.
+	* sysdeps/unix/sysv/linux/linux_fsinfo.h (JFFS_SUPER_MAGIC,
+	JFFS2_SUPER_MAGIC, JFS_SUPER_MAGIC, NTFS_SUPER_MAGIC,
+	ROMFS_SUPER_MAGIC, UDF_SUPER_MAGIC): Define.
+	* sysdeps/unix/sysv/linux/fpathconf.c (__fpathconf): Use
+	statfs_filesize_max.
+	* sysdeps/unix/sysv/linux/pathconf.c (__pathconf): Likewise.
+	* sysdeps/unix/sysv/linux/alpha/fpathconf.c: Removed.
+	* sysdeps/unix/sysv/linux/alpha/pathconf.c: Removed.
+
 2002-10-17  Roland McGrath  <roland@redhat.com>
 
 	* configure.in (MIG): Just AC_SUBST it here.
diff --git a/sysdeps/unix/sysv/linux/alpha/fpathconf.c b/sysdeps/unix/sysv/linux/alpha/fpathconf.c
deleted file mode 100644
index a8a24de..0000000
--- a/sysdeps/unix/sysv/linux/alpha/fpathconf.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Get file-specific information about a descriptor.  Linux/Alpha version.
-   Copyright (C) 1991,95,96,98,99,2000,2001,2002 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 Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <unistd.h>
-#include <sys/statfs.h>
-
-
-static long int linux_fpathconf (int fd, int name);
-
-/* Define this first, so it can be inlined.  */
-#define __fpathconf static linux_fpathconf
-#include <sysdeps/unix/sysv/linux/fpathconf.c>
-
-
-/* Get file-specific information about FD.  */
-long int
-__pathconf (int fd, int name)
-{
-  if (name == _PC_FILESIZEBITS)
-    {
-      /* Test whether this is on a ext2 or UFS filesystem which
-	 support large files.  */
-      struct statfs fs;
-
-      if (__fstatfs (fd, &fs) < 0
-	  || (fs.f_type != EXT2_SUPER_MAGIC
-	      && fs.f_type != UFS_MAGIC
-	      && fs.f_type != UFS_CIGAM))
-	return 32;
-
-      /* This filesystem supported files >2GB.  */
-      return 64;
-    }
-
-  return linux_fpathconf (fd, name);
-}
diff --git a/sysdeps/unix/sysv/linux/alpha/pathconf.c b/sysdeps/unix/sysv/linux/alpha/pathconf.c
deleted file mode 100644
index 1b35dc8..0000000
--- a/sysdeps/unix/sysv/linux/alpha/pathconf.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* Get file-specific information about a file.  Linux/Alpha version.
-   Copyright (C) 1991,95,96,98,99,2000,2001,2002 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 Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <unistd.h>
-#include <sys/statfs.h>
-
-static long int linux_pathconf (const char *file, int name);
-
-/* Define this first, so it can be inlined.  */
-#define __pathconf static linux_pathconf
-#include <sysdeps/unix/sysv/linux/pathconf.c>
-
-
-/* Get file-specific information about FILE.  */
-long int
-__pathconf (const char *file, int name)
-{
-  if (name == _PC_FILESIZEBITS)
-    {
-      /* Test whether this is on a ext2 or UFS filesystem which
-	 support large files.  */
-      struct statfs fs;
-
-      if (__statfs (file, &fs) < 0
-	  || (fs.f_type != EXT2_SUPER_MAGIC
-	      && fs.f_type != UFS_MAGIC
-	      && fs.f_type != UFS_CIGAM))
-	return 32;
-
-      /* This filesystem supported files >2GB.  */
-      return 64;
-    }
-
-  return linux_pathconf (file, name);
-}
diff --git a/sysdeps/unix/sysv/linux/fpathconf.c b/sysdeps/unix/sysv/linux/fpathconf.c
index a43a587..4dd6059 100644
--- a/sysdeps/unix/sysv/linux/fpathconf.c
+++ b/sysdeps/unix/sysv/linux/fpathconf.c
@@ -32,11 +32,15 @@ __fpathconf (fd, name)
      int fd;
      int name;
 {
-  if (name == _PC_LINK_MAX)
+  struct statfs fsbuf;
+
+  switch (name)
     {
-      struct statfs fsbuf;
+    case _PC_LINK_MAX:
       return statfs_link_max (__fstatfs (fd, &fsbuf), &fsbuf);
+    case _PC_FILESIZEBITS:
+      return statfs_filesize_max (__fstatfs (fd, &fsbuf), &fsbuf);
+    default:
+      return posix_fpathconf (fd, name);
     }
-
-  return posix_fpathconf (fd, name);
 }
diff --git a/sysdeps/unix/sysv/linux/linux_fsinfo.h b/sysdeps/unix/sysv/linux/linux_fsinfo.h
index 8aa7e28..0e67fe7 100644
--- a/sysdeps/unix/sysv/linux/linux_fsinfo.h
+++ b/sysdeps/unix/sysv/linux/linux_fsinfo.h
@@ -58,6 +58,15 @@
 /* Constant that identifies the `iso9660' filesystem.  */
 #define ISOFS_SUPER_MAGIC	0x9660
 
+/* Constant that identifies the `jffs' filesystem.  */
+#define JFFS_SUPER_MAGIC	0x07c0
+
+/* Constant that identifies the `jffs2' filesystem.  */
+#define JFFS2_SUPER_MAGIC	0x72b6
+
+/* Constant that identifies the `jfs' filesystem.  */
+#define JFS_SUPER_MAGIC		0x3153464a
+
 /* Constants that identify the `minix2' filesystem.  */
 #define MINIX2_SUPER_MAGIC	0x2468
 #define MINIX2_SUPER_MAGIC2	0x2478
@@ -75,6 +84,9 @@
 /* Constants that identify the `nfs' filesystem.  */
 #define NFS_SUPER_MAGIC		0x6969
 
+/* Constants that identify the `ntfs' filesystem.  */
+#define NTFS_SUPER_MAGIC	0x5346544e
+
 /* Constants that identify the `proc' filesystem.  */
 #define PROC_SUPER_MAGIC	0x9fa0
 
@@ -84,6 +96,9 @@
 /* Constants that identify the `reiser' filesystem.  */
 #define REISERFS_SUPER_MAGIC	0x52654973
 
+/* Constant that identifies the `romfs' filesystem.  */
+#define ROMFS_SUPER_MAGIC	0x7275
+
 /* Constants that identify the `smb' filesystem.  */
 #define SMB_SUPER_MAGIC		0x517b
 
@@ -91,6 +106,9 @@
 #define SYSV2_SUPER_MAGIC	0x012ff7b6
 #define SYSV4_SUPER_MAGIC	0x012ff7b5
 
+/* Constants that identify the `udf' filesystem.  */
+#define UDF_SUPER_MAGIC		0x15013346
+
 /* Constants that identify the `ufs' filesystem.  */
 #define UFS_MAGIC		0x00011954
 #define UFS_CIGAM		0x54190100 /* byteswapped MAGIC */
diff --git a/sysdeps/unix/sysv/linux/pathconf.c b/sysdeps/unix/sysv/linux/pathconf.c
index 50a4b3a..6115335 100644
--- a/sysdeps/unix/sysv/linux/pathconf.c
+++ b/sysdeps/unix/sysv/linux/pathconf.c
@@ -30,11 +30,15 @@ static long int posix_pathconf (const char *file, int name);
 long int
 __pathconf (const char *file, int name)
 {
-  if (name == _PC_LINK_MAX)
+  struct statfs fsbuf;
+
+  switch (name)
     {
-      struct statfs fsbuf;
+    case _PC_LINK_MAX:
       return statfs_link_max (__statfs (file, &fsbuf), &fsbuf);
+    case _PC_FILESIZEBITS:
+      return statfs_filesize_max (__statfs (file, &fsbuf), &fsbuf);
+    default:
+      return posix_pathconf (file, name);
     }
-
-  return posix_pathconf (file, name);
 }
diff --git a/sysdeps/unix/sysv/linux/pathconf.h b/sysdeps/unix/sysv/linux/pathconf.h
index 3965639..b7f201d 100644
--- a/sysdeps/unix/sysv/linux/pathconf.h
+++ b/sysdeps/unix/sysv/linux/pathconf.h
@@ -24,7 +24,7 @@
 
 /* Used like: return statfs_link_max (__statfs (name, &buf), &buf); */
 
-static long int
+static inline long int
 statfs_link_max (int result, const struct statfs *fsbuf)
 {
   if (result < 0)
@@ -74,3 +74,43 @@ statfs_link_max (int result, const struct statfs *fsbuf)
       return LINUX_LINK_MAX;
     }
 }
+
+/* Used like: return statfs_filesize_max (__statfs (name, &buf), &buf); */
+
+static inline long int
+statfs_filesize_max (int result, const struct statfs *fsbuf)
+{
+  if (result < 0)
+    {
+      if (errno == ENOSYS)
+	/* Not possible, return the default value.  */
+	return 32;
+
+      /* Some error occured.  */
+      return -1;
+    }
+
+  switch (fsbuf->f_type)
+    {
+    case EXT2_SUPER_MAGIC:
+    case UFS_MAGIC:
+    case UFS_CIGAM:
+    case REISERFS_SUPER_MAGIC:
+    case XFS_SUPER_MAGIC:
+    case SMB_SUPER_MAGIC:
+    case NTFS_SUPER_MAGIC:
+    case UDF_SUPER_MAGIC:
+    case JFS_SUPER_MAGIC:
+      return 64;
+
+    case MSDOS_SUPER_MAGIC:
+    case JFFS_SUPER_MAGIC:
+    case JFFS2_SUPER_MAGIC:
+    case NCP_SUPER_MAGIC:
+    case ROMFS_SUPER_MAGIC:
+      return 32;
+
+    default:
+      return 32;
+    }
+}