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  1.   1f612a7f54162a2e2e474909ace495358ccd3db6
  2.   7.3.407
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To: vim_dev@googlegroups.com
Subject: Patch 7.3.407
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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------------
 
Patch 7.3.407
Problem:    ":12verbose call F()" may duplicate text while trying to truncate.
	    (Thinca)
Solution:   Only truncate when there is not enough room.  Also check the byte
	    length of the buffer.
Files:	    src/buffer.c, src/eval.c, src/ex_getln.c, src/message.c,
	    src/proto/message.pro
 
 
*** ../vim-7.3.406/src/buffer.c	2011-12-30 13:39:04.000000000 +0100
--- src/buffer.c	2012-01-20 18:37:43.000000000 +0100
***************
*** 3258,3266 ****
  	    if (maxlen > 0)
  	    {
  		/* make it shorter by removing a bit in the middle */
! 		len = vim_strsize(buf);
! 		if (len > maxlen)
! 		    trunc_string(buf, buf, maxlen);
  	    }
  	}
      }
--- 3258,3265 ----
  	    if (maxlen > 0)
  	    {
  		/* make it shorter by removing a bit in the middle */
! 		if (vim_strsize(buf) > maxlen)
! 		    trunc_string(buf, buf, maxlen, IOSIZE);
  	    }
  	}
      }
*** ../vim-7.3.406/src/eval.c	2012-01-10 22:26:12.000000000 +0100
--- src/eval.c	2012-01-20 20:43:32.000000000 +0100
***************
*** 22163,22170 ****
  			s = tv2string(&argvars[i], &tofree, numbuf2, 0);
  			if (s != NULL)
  			{
! 			    trunc_string(s, buf, MSG_BUF_CLEN);
! 			    msg_puts(buf);
  			    vim_free(tofree);
  			}
  		    }
--- 22163,22174 ----
  			s = tv2string(&argvars[i], &tofree, numbuf2, 0);
  			if (s != NULL)
  			{
! 			    if (vim_strsize(s) > MSG_BUF_CLEN)
! 			    {
! 				trunc_string(s, buf, MSG_BUF_CLEN, MSG_BUF_LEN);
! 				s = buf;
! 			    }
! 			    msg_puts(s);
  			    vim_free(tofree);
  			}
  		    }
***************
*** 22252,22259 ****
  	    s = tv2string(fc->rettv, &tofree, numbuf2, 0);
  	    if (s != NULL)
  	    {
! 		trunc_string(s, buf, MSG_BUF_CLEN);
! 		smsg((char_u *)_("%s returning %s"), sourcing_name, buf);
  		vim_free(tofree);
  	    }
  	}
--- 22256,22267 ----
  	    s = tv2string(fc->rettv, &tofree, numbuf2, 0);
  	    if (s != NULL)
  	    {
! 		if (vim_strsize(s) > MSG_BUF_CLEN)
! 		{
! 		    trunc_string(s, buf, MSG_BUF_CLEN, MSG_BUF_LEN);
! 		    s = buf;
! 		}
! 		smsg((char_u *)_("%s returning %s"), sourcing_name, s);
  		vim_free(tofree);
  	    }
  	}
*** ../vim-7.3.406/src/ex_getln.c	2011-12-08 18:44:47.000000000 +0100
--- src/ex_getln.c	2012-01-20 18:40:46.000000000 +0100
***************
*** 5923,5929 ****
  							      hist[i].hisnum);
  		    if (vim_strsize(hist[i].hisstr) > (int)Columns - 10)
  			trunc_string(hist[i].hisstr, IObuff + STRLEN(IObuff),
! 							   (int)Columns - 10);
  		    else
  			STRCAT(IObuff, hist[i].hisstr);
  		    msg_outtrans(IObuff);
--- 5923,5929 ----
  							      hist[i].hisnum);
  		    if (vim_strsize(hist[i].hisstr) > (int)Columns - 10)
  			trunc_string(hist[i].hisstr, IObuff + STRLEN(IObuff),
! 				  (int)Columns - 10, IOSIZE - STRLEN(IObuff));
  		    else
  			STRCAT(IObuff, hist[i].hisstr);
  		    msg_outtrans(IObuff);
*** ../vim-7.3.406/src/message.c	2012-01-10 22:26:12.000000000 +0100
--- src/message.c	2012-01-20 20:38:29.000000000 +0100
***************
*** 222,236 ****
  	    if (enc_utf8)
  		/* may have up to 18 bytes per cell (6 per char, up to two
  		 * composing chars) */
! 		buf = alloc((room + 2) * 18);
  	    else if (enc_dbcs == DBCS_JPNU)
  		/* may have up to 2 bytes per cell for euc-jp */
! 		buf = alloc((room + 2) * 2);
  	    else
  #endif
! 		buf = alloc(room + 2);
  	    if (buf != NULL)
! 		trunc_string(s, buf, room);
  	}
      }
      return buf;
--- 222,237 ----
  	    if (enc_utf8)
  		/* may have up to 18 bytes per cell (6 per char, up to two
  		 * composing chars) */
! 		len = (room + 2) * 18;
  	    else if (enc_dbcs == DBCS_JPNU)
  		/* may have up to 2 bytes per cell for euc-jp */
! 		len = (room + 2) * 2;
  	    else
  #endif
! 		len = room + 2;
! 	    buf = alloc(len);
  	    if (buf != NULL)
! 		trunc_string(s, buf, room, len);
  	}
      }
      return buf;
***************
*** 241,250 ****
   * "s" and "buf" may be equal.
   */
      void
! trunc_string(s, buf, room)
      char_u	*s;
      char_u	*buf;
      int		room;
  {
      int		half;
      int		len;
--- 242,252 ----
   * "s" and "buf" may be equal.
   */
      void
! trunc_string(s, buf, room, buflen)
      char_u	*s;
      char_u	*buf;
      int		room;
+     int		buflen;
  {
      int		half;
      int		len;
***************
*** 257,263 ****
      len = 0;
  
      /* First part: Start of the string. */
!     for (e = 0; len < half; ++e)
      {
  	if (s[e] == NUL)
  	{
--- 259,265 ----
      len = 0;
  
      /* First part: Start of the string. */
!     for (e = 0; len < half && e < buflen; ++e)
      {
  	if (s[e] == NUL)
  	{
***************
*** 274,280 ****
  	if (has_mbyte)
  	    for (n = (*mb_ptr2len)(s + e); --n > 0; )
  	    {
! 		++e;
  		buf[e] = s[e];
  	    }
  #endif
--- 276,283 ----
  	if (has_mbyte)
  	    for (n = (*mb_ptr2len)(s + e); --n > 0; )
  	    {
! 		if (++e == buflen)
! 		    break;
  		buf[e] = s[e];
  	    }
  #endif
***************
*** 319,326 ****
      }
  
      /* Set the middle and copy the last part. */
!     mch_memmove(buf + e, "...", (size_t)3);
!     STRMOVE(buf + e + 3, s + i);
  }
  
  /*
--- 322,340 ----
      }
  
      /* Set the middle and copy the last part. */
!     if (e + 3 < buflen)
!     {
! 	mch_memmove(buf + e, "...", (size_t)3);
! 	len = STRLEN(s + i) + 1;
! 	if (len >= buflen - e - 3)
! 	    len = buflen - e - 3 - 1;
! 	mch_memmove(buf + e + 3, s + i, len);
! 	buf[e + 3 + len - 1] = NUL;
!     }
!     else
!     {
! 	buf[e - 1] = NUL;  // make sure it is truncated
!     }
  }
  
  /*
*** ../vim-7.3.406/src/proto/message.pro	2011-01-17 20:08:03.000000000 +0100
--- src/proto/message.pro	2012-01-20 18:51:19.000000000 +0100
***************
*** 4,10 ****
  int msg_attr __ARGS((char_u *s, int attr));
  int msg_attr_keep __ARGS((char_u *s, int attr, int keep));
  char_u *msg_strtrunc __ARGS((char_u *s, int force));
! void trunc_string __ARGS((char_u *s, char_u *buf, int room));
  void reset_last_sourcing __ARGS((void));
  void msg_source __ARGS((int attr));
  int emsg_not_now __ARGS((void));
--- 4,10 ----
  int msg_attr __ARGS((char_u *s, int attr));
  int msg_attr_keep __ARGS((char_u *s, int attr, int keep));
  char_u *msg_strtrunc __ARGS((char_u *s, int force));
! void trunc_string __ARGS((char_u *s, char_u *buf, int room, int buflen));
  void reset_last_sourcing __ARGS((void));
  void msg_source __ARGS((int attr));
  int emsg_not_now __ARGS((void));
*** ../vim-7.3.406/src/version.c	2012-01-20 17:57:47.000000000 +0100
--- src/version.c	2012-01-20 20:42:23.000000000 +0100
***************
*** 716,717 ****
--- 716,719 ----
  {   /* Add new patch number below this line */
+ /**/
+     407,
  /**/
 
-- 
Hanson's Treatment of Time:
	There are never enough hours in a day, but always too
	many days before Saturday.
 
 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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