To: vim-dev@vim.org
Subject: Patch 7.2.170
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.2.170
Problem:    Using b_dev while it was not set. (Dominique Pelle)
Solution:   Add the b_dev_valid flag.
Files:	    src/buffer.c, src/fileio.c, src/structs.h


*** ../vim-7.2.169/src/buffer.c	2009-05-13 12:46:36.000000000 +0200
--- src/buffer.c	2009-05-13 20:23:51.000000000 +0200
***************
*** 1678,1686 ****
      buf->b_fname = buf->b_sfname;
  #ifdef UNIX
      if (st.st_dev == (dev_T)-1)
! 	buf->b_dev = -1;
      else
      {
  	buf->b_dev = st.st_dev;
  	buf->b_ino = st.st_ino;
      }
--- 1678,1687 ----
      buf->b_fname = buf->b_sfname;
  #ifdef UNIX
      if (st.st_dev == (dev_T)-1)
! 	buf->b_dev_valid = FALSE;
      else
      {
+ 	buf->b_dev_valid = TRUE;
  	buf->b_dev = st.st_dev;
  	buf->b_ino = st.st_ino;
      }
***************
*** 2693,2701 ****
      buf->b_fname = buf->b_sfname;
  #ifdef UNIX
      if (st.st_dev == (dev_T)-1)
! 	buf->b_dev = -1;
      else
      {
  	buf->b_dev = st.st_dev;
  	buf->b_ino = st.st_ino;
      }
--- 2694,2703 ----
      buf->b_fname = buf->b_sfname;
  #ifdef UNIX
      if (st.st_dev == (dev_T)-1)
! 	buf->b_dev_valid = FALSE;
      else
      {
+ 	buf->b_dev_valid = TRUE;
  	buf->b_dev = st.st_dev;
  	buf->b_ino = st.st_ino;
      }
***************
*** 2889,2895 ****
  	/* If no struct stat given, get it now */
  	if (stp == NULL)
  	{
! 	    if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0)
  		st.st_dev = (dev_T)-1;
  	    stp = &st;
  	}
--- 2891,2897 ----
  	/* If no struct stat given, get it now */
  	if (stp == NULL)
  	{
! 	    if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0)
  		st.st_dev = (dev_T)-1;
  	    stp = &st;
  	}
***************
*** 2926,2936 ****
  
      if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0)
      {
  	buf->b_dev = st.st_dev;
  	buf->b_ino = st.st_ino;
      }
      else
! 	buf->b_dev = -1;
  }
  
  /*
--- 2928,2939 ----
  
      if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0)
      {
+ 	buf->b_dev_valid = TRUE;
  	buf->b_dev = st.st_dev;
  	buf->b_ino = st.st_ino;
      }
      else
! 	buf->b_dev_valid = FALSE;
  }
  
  /*
***************
*** 2941,2947 ****
      buf_T	*buf;
      struct stat *stp;
  {
!     return (buf->b_dev >= 0
  	    && stp->st_dev == buf->b_dev
  	    && stp->st_ino == buf->b_ino);
  }
--- 2944,2950 ----
      buf_T	*buf;
      struct stat *stp;
  {
!     return (buf->b_dev_valid
  	    && stp->st_dev == buf->b_dev
  	    && stp->st_ino == buf->b_ino);
  }
*** ../vim-7.2.169/src/fileio.c	2009-04-29 18:01:23.000000000 +0200
--- src/fileio.c	2009-05-13 20:24:08.000000000 +0200
***************
*** 4416,4422 ****
  # endif
  	buf_setino(buf);
      }
!     else if (buf->b_dev < 0)
  	/* Set the inode when creating a new file. */
  	buf_setino(buf);
  #endif
--- 4416,4422 ----
  # endif
  	buf_setino(buf);
      }
!     else if (!buf->b_dev_valid)
  	/* Set the inode when creating a new file. */
  	buf_setino(buf);
  #endif
*** ../vim-7.2.169/src/structs.h	2009-05-13 18:54:14.000000000 +0200
--- src/structs.h	2009-05-13 20:24:54.000000000 +0200
***************
*** 1166,1172 ****
      char_u	*b_fname;	/* current file name */
  
  #ifdef UNIX
!     dev_t	b_dev;		/* device number (-1 if not set) */
      ino_t	b_ino;		/* inode number */
  #endif
  #ifdef FEAT_CW_EDITOR
--- 1166,1173 ----
      char_u	*b_fname;	/* current file name */
  
  #ifdef UNIX
!     int		b_dev_valid;	/* TRUE when b_dev has a valid number */
!     dev_t	b_dev;		/* device number */
      ino_t	b_ino;		/* inode number */
  #endif
  #ifdef FEAT_CW_EDITOR
*** ../vim-7.2.169/src/version.c	2009-05-13 18:54:14.000000000 +0200
--- src/version.c	2009-05-13 20:43:22.000000000 +0200
***************
*** 678,679 ****
--- 678,681 ----
  {   /* Add new patch number below this line */
+ /**/
+     170,
  /**/

-- 
A special cleaning ordinance bans housewives from hiding dirt and dust under a
rug in a dwelling.
		[real standing law in Pennsylvania, United States of America]

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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