2002-07-24 Jeff Johnston <jjohnstn@redhat.com>

        * libc/sys/linux/Makefile.am: Add new files.
        * libc/sys/linux/Makefile.in: Regenerated.
        * libc/sys/linux/fstab.c: New file.
        * libc/sys/linux/fstatvfs.c: Ditto.
        * libc/sys/linux/fstatvfs64.c: Ditto.
        * libc/sys/linux/internal_statvfs.c: Ditto.
        * libc/sys/linux/mntent.c: Ditto.
        * libc/sys/linux/mntent_r.c: Ditto.
        * libc/sys/linux/statvfs.c: Ditto.
        * libc/sys/linux/statvfs64.c: Ditto.
        * libc/sys/linux/include/paths.h: Ditto.
        * libc/sys/linux/inode.c (statfs, fstatfs): New syscalls
        with double-underscore weak-aliases.
        * libc/sys/linux/sys/stat.h: Add *stat64 prototypes.

1 files changed, 195 insertions, 0 deletions

diff --git a/newlib/libc/sys/linux/fstab.c b/newlib/libc/sys/linux/fstab.c
new file mode 100644
index 000000000..f98f4b740
--- /dev/null
+++ b/newlib/libc/sys/linux/fstab.c
@@ -0,0 +1,195 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 2000 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 <fstab.h>
+#include <mntent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <bits/libc-lock.h>
+#include <libc-symbols.h>
+
+#define BUFFER_SIZE 0x1fc0
+
+struct fstab_state
+{
+  FILE *fs_fp;
+  char *fs_buffer;
+  struct mntent fs_mntres;
+  struct fstab fs_ret;
+};
+
+static struct fstab_state *fstab_init (int opt_rewind);
+static struct mntent *fstab_fetch (struct fstab_state *state);
+static struct fstab *fstab_convert (struct fstab_state *state);
+
+static struct fstab_state fstab_state;
+
+
+int
+setfsent (void)
+{
+  return fstab_init (1) != NULL;
+}
+
+
+struct fstab *
+getfsent (void)
+{
+  struct fstab_state *state;
+
+  state = fstab_init (0);
+  if (state == NULL)
+    return NULL;
+  if (fstab_fetch (state) == NULL)
+    return NULL;
+  return fstab_convert (state);
+}
+
+
+struct fstab *
+getfsspec (name)
+     const char *name;
+{
+  struct fstab_state *state;
+  struct mntent *m;
+
+  state = fstab_init (1);
+  if (state == NULL)
+    return NULL;
+  while ((m = fstab_fetch (state)) != NULL)
+    if (strcmp (m->mnt_fsname, name) == 0)
+      return fstab_convert (state);
+  return NULL;
+}
+
+
+struct fstab *
+getfsfile (name)
+     const char *name;
+{
+  struct fstab_state *state;
+  struct mntent *m;
+
+  state = fstab_init (1);
+  if (state == NULL)
+    return NULL;
+  while ((m = fstab_fetch (state)) != NULL)
+    if (strcmp (m->mnt_dir, name) == 0)
+      return fstab_convert (state);
+  return NULL;
+}
+
+
+void
+endfsent ()
+{
+  struct fstab_state *state;
+
+  state = &fstab_state;
+  if (state->fs_fp != NULL)
+    {
+      (void) __endmntent (state->fs_fp);
+      state->fs_fp = NULL;
+    }
+}
+
+
+static struct fstab_state *
+fstab_init (int opt_rewind)
+{
+  struct fstab_state *state;
+  char *buffer;
+  FILE *fp;
+
+  state = &fstab_state;
+
+  buffer = state->fs_buffer;
+  if (buffer == NULL)
+    {
+      buffer = (char *) malloc (BUFFER_SIZE);
+      if (buffer == NULL)
+	return NULL;
+      state->fs_buffer = buffer;
+    }
+
+  fp = state->fs_fp;
+  if (fp != NULL)
+    {
+      if (opt_rewind)
+	rewind (fp);
+    }
+  else
+    {
+      fp = __setmntent (_PATH_FSTAB, "r");
+      if (fp == NULL)
+	return NULL;
+      state->fs_fp = fp;
+    }
+
+  return state;
+}
+
+
+static struct mntent *
+fstab_fetch (struct fstab_state *state)
+{
+  return __getmntent_r (state->fs_fp, &state->fs_mntres,
+			state->fs_buffer, BUFFER_SIZE);
+}
+
+
+static struct fstab *
+fstab_convert (struct fstab_state *state)
+{
+  struct mntent *m;
+  struct fstab *f;
+
+  m = &state->fs_mntres;
+  f = &state->fs_ret;
+
+  f->fs_spec = m->mnt_fsname;
+  f->fs_file = m->mnt_dir;
+  f->fs_vfstype = m->mnt_type;
+  f->fs_mntops = m->mnt_opts;
+  f->fs_type = (__hasmntopt (m, FSTAB_RW) ? FSTAB_RW :
+		__hasmntopt (m, FSTAB_RQ) ? FSTAB_RQ :
+		__hasmntopt (m, FSTAB_RO) ? FSTAB_RO :
+		__hasmntopt (m, FSTAB_SW) ? FSTAB_SW :
+		__hasmntopt (m, FSTAB_XX) ? FSTAB_XX :
+		"??");
+  f->fs_freq = m->mnt_freq;
+  f->fs_passno = m->mnt_passno;
+  return f;
+}
+
+
+/* Make sure the memory is freed if the programs ends while in
+   memory-debugging mode and something actually was allocated.  */
+static void
+__attribute__ ((unused))
+fstab_free (void)
+{
+  char *buffer;
+
+  buffer = fstab_state.fs_buffer;
+  if (buffer != NULL)
+    free ((void *) buffer);
+}
+
+text_set_element (__libc_subfreeres, fstab_free);