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To: vim_dev@googlegroups.com
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Subject: Patch 7.4.451
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.4.451
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Problem:    Calling system() with empty input gives an error for writing the
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	    temp file.
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Solution:   Do not try writing if the string length is zero. (Olaf Dabrunz)
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Files:	    src/eval.c
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*** ../vim-7.4.450/src/eval.c	2014-09-19 14:26:29.654405000 +0200
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--- src/eval.c	2014-09-19 20:23:57.354451850 +0200
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***************
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*** 18638,18650 ****
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  	}
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  	else
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  	{
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  	    p = get_tv_string_buf_chk(&argvars[1], buf);
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  	    if (p == NULL)
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  	    {
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  		fclose(fd);
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  		goto errret;		/* type error; errmsg already given */
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  	    }
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! 	    if (fwrite(p, STRLEN(p), 1, fd) != 1)
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  		err = TRUE;
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  	}
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  	if (fclose(fd) != 0)
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--- 18638,18653 ----
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  	}
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  	else
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  	{
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+ 	    size_t len;
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+ 
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  	    p = get_tv_string_buf_chk(&argvars[1], buf);
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  	    if (p == NULL)
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  	    {
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  		fclose(fd);
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  		goto errret;		/* type error; errmsg already given */
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  	    }
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! 	    len = STRLEN(p);
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! 	    if (len > 0 && fwrite(p, len, 1, fd) != 1)
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  		err = TRUE;
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  	}
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  	if (fclose(fd) != 0)
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*** ../vim-7.4.450/src/version.c	2014-09-19 20:07:22.550449677 +0200
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--- src/version.c	2014-09-19 20:19:22.390451249 +0200
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***************
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*** 743,744 ****
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--- 743,746 ----
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  {   /* Add new patch number below this line */
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+ /**/
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+     451,
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  /**/
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-- 
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hundred-and-one symptoms of being an internet addict:
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167. You have more than 200 websites bookmarked.
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\  an exciting new programming language -- http://www.Zimbu.org        ///
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 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///