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Subject: Patch 7.2.170

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From: Bram Moolenaar <[email protected]>

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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 -- [email protected] -- http://www.Moolenaar.net   \\\

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