Update.

* sysdeps/unix/sysv/linux/fstatvfs.c: Move actual code in...
	* sysdeps/unix/sysv/linux/internal_statvfs.c: ...here.  New file.
	* sysdeps/unix/sysv/linux/statvfs.c: Don't use fstatvfs since the
	open call would require read permission.
	Patch by James Antill <james@and.org>.

	* sysdeps/unix/sysv/linux/Dist: Add internal_fnmatch.c.

	* inet/getnameinfo.c: Terminate host name for NI_NOFQDN.
	PR1515.  Patches by Hideaki YOSHIFUJI <yoshfuji@ecei.tohoku.ac.jp>.

ChangeLog

@@ -1,7 +1,16 @@
 2000-01-18  Ulrich Drepper  <drepper@cygnus.com>
 
+	* sysdeps/unix/sysv/linux/fstatvfs.c: Move actual code in...
+	* sysdeps/unix/sysv/linux/internal_statvfs.c: ...here.  New file.
+	* sysdeps/unix/sysv/linux/statvfs.c: Don't use fstatvfs since the
+	open call would require read permission.
+	Patch by James Antill <james@and.org>.
+
+	* sysdeps/unix/sysv/linux/Dist: Add internal_fnmatch.c.
+
+	* inet/getnameinfo.c: Terminate host name for NI_NOFQDN.
 	* sysdeps/posix/getaddrinfo.c: Correct modifications done for
-	PR1515.  Patch by Hideaki YOSHIFUJI <yoshfuji@ecei.tohoku.ac.jp>.
+	PR1515.  Patches by Hideaki YOSHIFUJI <yoshfuji@ecei.tohoku.ac.jp>.
 
 	* posix/regex.h (RE_SYNTAX_POSIX_EXTENDED): Add RE_CONTEXT_INVALID_OPS.
 	* posix/regex.c (regex_compile): Return appropriate errors for

inet/getnameinfo.c

@@ -243,6 +243,8 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
 		      {
 			strncpy (host, h->h_name,
 				 min(hostlen, (size_t) (c - h->h_name)));
+			host[min(hostlen - 1, (size_t) (c - h->h_name))]
+			  = '\0';
 			break;
 		      }
 		  }

sysdeps/unix/sysv/linux/Dist

@@ -8,6 +8,7 @@ kernel-features.h
 kernel_sigaction.h
 kernel_stat.h
 kernel_termios.h
+internal_statvfs.c
 ldd-rewrite.sed
 lddlibc4.c
 linux_fsinfo.h

sysdeps/unix/sysv/linux/fstatvfs.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -37,85 +37,7 @@ fstatvfs (int fd, struct statvfs *buf)
   if (__fstatfs (fd, &fsbuf) < 0)
     return -1;
 
-  /* Now fill in the fields we have information for.  */
+#include "internal_statvfs.c"
-  buf->f_bsize = fsbuf.f_bsize;
-  /* Linux does not support f_frsize, so set it to the full block size.  */
-  buf->f_frsize = fsbuf.f_bsize;
-  buf->f_blocks = fsbuf.f_blocks;
-  buf->f_bfree = fsbuf.f_bfree;
-  buf->f_bavail = fsbuf.f_bavail;
-  buf->f_files = fsbuf.f_files;
-  buf->f_ffree = fsbuf.f_ffree;
-  buf->f_fsid = fsbuf.f_fsid;
-  buf->f_namemax = fsbuf.f_namelen;
-  memset (buf->f_spare, '\0', 6 * sizeof (int));
-
-  /* What remains to do is to fill the fields f_favail and f_flag.  */
-
-  /* XXX I have no idea how to compute f_favail.  Any idea???  */
-  buf->f_favail = buf->f_ffree;
-
-  /* Determining the flags is tricky.  We have to read /proc/mounts or
-     the /etc/mtab file and search for the entry which matches the given
-     file.  The way we can test for matching filesystem is using the
-     device number.  */
-  buf->f_flag = 0;
-  if (fstat (fd, &st) >= 0)
-    {
-      int save_errno = errno;
-      struct mntent mntbuf;
-      FILE *mtab;
-
-      mtab = __setmntent ("/proc/mounts", "r");
-      if (mtab == NULL)
-	mtab = __setmntent (_PATH_MOUNTED, "r");
-
-      if (mtab != NULL)
-	{
-	  char tmpbuf[1024];
-
-	  while (__getmntent_r (mtab, &mntbuf, tmpbuf, sizeof (tmpbuf)))
-	    {
-	      struct stat fsst;
-
-	      /* Find out about the device the current entry is for.  */
-	      if (stat (mntbuf.mnt_dir, &fsst) >= 0
-		  && st.st_dev == fsst.st_dev)
-		{
-		  /* Bingo, we found the entry for the device FD is on.
-		     Now interpret the option string.  */
-		  char *cp = mntbuf.mnt_opts;
-		  char *opt;
-
-		  while ((opt = strsep (&cp, ",")) != NULL)
-		    if (strcmp (opt, "ro") == 0)
-		      buf->f_flag |= ST_RDONLY;
-		    else if (strcmp (opt, "nosuid") == 0)
-		      buf->f_flag |= ST_NOSUID;
-		    else if (strcmp (opt, "noexec") == 0)
-		      buf->f_flag |= ST_NOEXEC;
-		    else if (strcmp (opt, "nodev") == 0)
-		      buf->f_flag |= ST_NODEV;
-		    else if (strcmp (opt, "sync") == 0)
-		      buf->f_flag |= ST_SYNCHRONOUS;
-		    else if (strcmp (opt, "mand") == 0)
-		      buf->f_flag |= ST_MANDLOCK;
-		    else if (strcmp (opt, "noatime") == 0)
-		      buf->f_flag |= ST_NOATIME;
-		    else if (strcmp (opt, "nodiratime") == 0)
-		      buf->f_flag |= ST_NODIRATIME;
-
-		  /* We can stop looking for more entries.  */
-		  break;
-		}
-	    }
-
-	  /* Close the file.  */
-	  __endmntent (mtab);
-	}
-
-      __set_errno (save_errno);
-    }
   
   /* We signal success if the statfs call succeeded.  */
   return 0;

sysdeps/unix/sysv/linux/internal_statvfs.c

@@ -0,0 +1,98 @@
+/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   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.  */
+
+  /* Now fill in the fields we have information for.  */
+  buf->f_bsize = fsbuf.f_bsize;
+  /* Linux does not support f_frsize, so set it to the full block size.  */
+  buf->f_frsize = fsbuf.f_bsize;
+  buf->f_blocks = fsbuf.f_blocks;
+  buf->f_bfree = fsbuf.f_bfree;
+  buf->f_bavail = fsbuf.f_bavail;
+  buf->f_files = fsbuf.f_files;
+  buf->f_ffree = fsbuf.f_ffree;
+  buf->f_fsid = fsbuf.f_fsid;
+  buf->f_namemax = fsbuf.f_namelen;
+  memset (buf->f_spare, '\0', 6 * sizeof (int));
+
+  /* What remains to do is to fill the fields f_favail and f_flag.  */
+
+  /* XXX I have no idea how to compute f_favail.  Any idea???  */
+  buf->f_favail = buf->f_ffree;
+
+  /* Determining the flags is tricky.  We have to read /proc/mounts or
+     the /etc/mtab file and search for the entry which matches the given
+     file.  The way we can test for matching filesystem is using the
+     device number.  */
+  buf->f_flag = 0;
+  if (fstat (fd, &st) >= 0)
+    {
+      int save_errno = errno;
+      struct mntent mntbuf;
+      FILE *mtab;
+
+      mtab = __setmntent ("/proc/mounts", "r");
+      if (mtab == NULL)
+	mtab = __setmntent (_PATH_MOUNTED, "r");
+
+      if (mtab != NULL)
+	{
+	  char tmpbuf[1024];
+
+	  while (__getmntent_r (mtab, &mntbuf, tmpbuf, sizeof (tmpbuf)))
+	    {
+	      struct stat fsst;
+
+	      /* Find out about the device the current entry is for.  */
+	      if (stat (mntbuf.mnt_dir, &fsst) >= 0
+		  && st.st_dev == fsst.st_dev)
+		{
+		  /* Bingo, we found the entry for the device FD is on.
+		     Now interpret the option string.  */
+		  char *cp = mntbuf.mnt_opts;
+		  char *opt;
+
+		  while ((opt = strsep (&cp, ",")) != NULL)
+		    if (strcmp (opt, "ro") == 0)
+		      buf->f_flag |= ST_RDONLY;
+		    else if (strcmp (opt, "nosuid") == 0)
+		      buf->f_flag |= ST_NOSUID;
+		    else if (strcmp (opt, "noexec") == 0)
+		      buf->f_flag |= ST_NOEXEC;
+		    else if (strcmp (opt, "nodev") == 0)
+		      buf->f_flag |= ST_NODEV;
+		    else if (strcmp (opt, "sync") == 0)
+		      buf->f_flag |= ST_SYNCHRONOUS;
+		    else if (strcmp (opt, "mand") == 0)
+		      buf->f_flag |= ST_MANDLOCK;
+		    else if (strcmp (opt, "noatime") == 0)
+		      buf->f_flag |= ST_NOATIME;
+		    else if (strcmp (opt, "nodiratime") == 0)
+		      buf->f_flag |= ST_NODIRATIME;
+
+		  /* We can stop looking for more entries.  */
+		  break;
+		}
+	    }
+
+	  /* Close the file.  */
+	  __endmntent (mtab);
+	}
+
+      __set_errno (save_errno);
+    }

sysdeps/unix/sysv/linux/statvfs.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -26,21 +26,15 @@
 int
 statvfs (const char *file, struct statvfs *buf)
 {
-  int save_errno;
+  struct statfs fsbuf;
-  int retval;
+  struct stat st;
-  int fd;
 
-  fd = __open (file, O_RDONLY);
+  /* Get as much information as possible from the system.  */
-  if (fd < 0)
+  if (__statfs (fd, &fsbuf) < 0)
     return -1;
 
-  /* Let fstatvfs do the real work.  */
+#include "internal_statvfs.c"
-  retval = fstatvfs (fd, buf);
   
-  /* Close the file while preserving the error number.  */
+  /* We signal success if the statfs call succeeded.  */
-  save_errno = errno;
+  return 0;
-  __close (fd);
-  __set_errno (save_errno);
-
-  return retval;
 }