X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmountlist.c;h=6d8ed25052c0e7a13801abebbedaa59fedf30600;hb=c3edfc411c57b3bd4f12a09674f143651990c1f2;hp=9f77c6c364dd12b1c2c52d651d7d5c78ca122956;hpb=d0ac4f2374d99f173ef7049f67b2d34bc61dbd57;p=gnulib.git

diff --git a/lib/mountlist.c b/lib/mountlist.c
index 9f77c6c36..6d8ed2505 100644
--- a/lib/mountlist.c
+++ b/lib/mountlist.c
@@ -1,5 +1,7 @@
-/* mountlist.c -- return a list of mounted filesystems
-   Copyright (C) 1991, 1992, 1997-2003 Free Software Foundation, Inc.
+/* mountlist.c -- return a list of mounted file systems
+
+   Copyright (C) 1991, 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+   2004, 2005 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -19,25 +21,19 @@
 # include <config.h>
 #endif
 
+#include "mountlist.h"
+
 #include <stdio.h>
-#include <sys/types.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "xalloc.h"
 
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-
 #ifndef strstr
 char *strstr ();
 #endif
 
 #include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
 
 #ifdef HAVE_FCNTL_H
 # include <fcntl.h>
@@ -53,6 +49,8 @@ extern int errno;
 
 #if defined MOUNTED_GETFSSTAT	/* OSF_1 and Darwin1.3.x */
 # if HAVE_SYS_UCRED_H
+#  include <grp.h> /* needed on OSF V4.0 for definition of NGROUPS,
+		      NGROUPS is used as an array dimension in ucred.h */
 #  include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
 # endif
 # if HAVE_SYS_MOUNT_H
@@ -138,42 +136,37 @@ extern int errno;
 # define MNT_IGNORE(M) 0
 #endif
 
-#include "mountlist.h"
-#include "unlocked-io.h"
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+#endif
 
-#ifdef MOUNTED_GETMNTENT1	/* 4.3BSD, SunOS, HP-UX, Dynix, Irix.  */
-/* Return the value of the hexadecimal number represented by CP.
-   No prefix (like '0x') or suffix (like 'h') is expected to be
-   part of CP. */
-/* FIXME: this can overflow */
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
+#endif
 
-static int
-xatoi (char *cp)
-{
-  int val;
+#ifndef ME_DUMMY
+# define ME_DUMMY(Fs_name, Fs_type)		\
+    (strcmp (Fs_type, "autofs") == 0		\
+     || strcmp (Fs_type, "subfs") == 0		\
+     /* for Irix 6.5 */				\
+     || strcmp (Fs_type, "ignore") == 0)
+#endif
 
-  val = 0;
-  while (*cp)
-    {
-      if (*cp >= 'a' && *cp <= 'f')
-	val = val * 16 + *cp - 'a' + 10;
-      else if (*cp >= 'A' && *cp <= 'F')
-	val = val * 16 + *cp - 'A' + 10;
-      else if (*cp >= '0' && *cp <= '9')
-	val = val * 16 + *cp - '0';
-      else
-	break;
-      cp++;
-    }
-  return val;
-}
-#endif /* MOUNTED_GETMNTENT1.  */
+#ifndef ME_REMOTE
+/* A file system is `remote' if its Fs_name contains a `:'
+   or if (it is of type smbfs and its Fs_name starts with `//').  */
+# define ME_REMOTE(Fs_name, Fs_type)		\
+    (strchr (Fs_name, ':') != 0			\
+     || ((Fs_name)[0] == '/'			\
+	 && (Fs_name)[1] == '/'			\
+	 && strcmp (Fs_type, "smbfs") == 0))
+#endif
 
 #if MOUNTED_GETMNTINFO
 
 # if ! HAVE_F_FSTYPENAME_IN_STATFS
 static char *
-fstype_to_string (short t)
+fstype_to_string (short int t)
 {
   switch (t)
     {
@@ -294,13 +287,13 @@ fstype_to_string (int t)
 }
 #endif /* MOUNTED_VMOUNT */
 
-/* Return a list of the currently mounted filesystems, or NULL on error.
+/* Return a list of the currently mounted file systems, or NULL on error.
    Add each entry to the tail of the list so that they stay in order.
-   If NEED_FS_TYPE is nonzero, ensure that the filesystem type fields in
+   If NEED_FS_TYPE is true, ensure that the file system type fields in
    the returned list are valid.  Otherwise, they might not be.  */
 
 struct mount_entry *
-read_filesystem_list (int need_fs_type)
+read_file_system_list (bool need_fs_type)
 {
   struct mount_entry *mount_list;
   struct mount_entry *me;
@@ -358,12 +351,7 @@ read_filesystem_list (int need_fs_type)
 	me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
 	devopt = strstr (mnt->mnt_opts, "dev=");
 	if (devopt)
-	  {
-	    if (devopt[4] == '0' && (devopt[5] == 'x' || devopt[5] == 'X'))
-	      me->me_dev = xatoi (devopt + 6);
-	    else
-	      me->me_dev = xatoi (devopt + 4);
-	  }
+	  me->me_dev = strtoul (devopt + 4, NULL, 16);
 	else
 	  me->me_dev = (dev_t) -1;	/* Magic; means not known yet. */
 
@@ -436,14 +424,14 @@ read_filesystem_list (int need_fs_type)
 #if defined MOUNTED_FS_STAT_DEV /* BeOS */
   {
     /* The next_dev() and fs_stat_dev() system calls give the list of
-       all filesystems, including the information returned by statvfs()
+       all file systems, including the information returned by statvfs()
        (fs type, total blocks, free blocks etc.), but without the mount
-       point. But on BeOS all filesystems except / are mounted in the
+       point. But on BeOS all file systems except / are mounted in the
        rootfs, directly under /.
        The directory name of the mount point is often, but not always,
        identical to the volume name of the device.
        We therefore get the list of subdirectories of /, and the list
-       of all filesystems, and match the two lists.  */
+       of all file systems, and match the two lists.  */
 
     DIR *dirp;
     struct rootdir_entry
@@ -742,12 +730,12 @@ read_filesystem_list (int need_fs_type)
     int n_entries;
     int i;
 
-    /* Ask how many bytes to allocate for the mounted filesystem info.  */
+    /* Ask how many bytes to allocate for the mounted file system info.  */
     if (mntctl (MCTL_QUERY, sizeof bufsize, (struct vmount *) &bufsize) != 0)
       return NULL;
     entries = xmalloc (bufsize);
 
-    /* Get the list of mounted filesystems.  */
+    /* Get the list of mounted file systems.  */
     n_entries = mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries);
     if (n_entries < 0)
       {