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To: vim_dev@googlegroups.com
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Subject: Patch 7.4.2
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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 7.4.256 (after 7.4.248)
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Problem: Using systemlist() may cause a crash and does not handle NUL
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characters properly.
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Solution: Increase the reference count, allocate memory by length. (Yasuhiro
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Matsumoto)
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Files: src/eval.c
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*** ../vim-7.4.255/src/eval.c 2014-04-05 21:28:50.667174384 +0200
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--- src/eval.c 2014-04-11 10:10:22.112217827 +0200
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***************
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*** 18334,18349 ****
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for (i = 0; i < len; ++i)
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{
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start = res + i;
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! for (end = start; i < len && *end != NL; ++end)
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++i;
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! s = vim_strnsave(start, (int)(end - start));
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if (s == NULL)
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goto errret;
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! for (p = s, end = s + (end - start); p < end; ++p)
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! if (*p == NUL)
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! *p = NL;
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li = listitem_alloc();
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if (li == NULL)
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--- 18334,18350 ----
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for (i = 0; i < len; ++i)
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{
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start = res + i;
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! while (i < len && res[i] != NL)
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++i;
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+ end = res + i;
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! s = alloc((unsigned)(end - start + 1));
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if (s == NULL)
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goto errret;
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! for (p = s; start < end; ++p, ++start)
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! *p = *start == NUL ? NL : *start;
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! *p = NUL;
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li = listitem_alloc();
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if (li == NULL)
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***************
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*** 18356,18361 ****
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--- 18357,18363 ----
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list_append(list, li);
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}
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+ ++list->lv_refcount;
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rettv->v_type = VAR_LIST;
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rettv->vval.v_list = list;
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list = NULL;
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*** ../vim-7.4.255/src/version.c 2014-04-10 20:00:03.720106386 +0200
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--- src/version.c 2014-04-11 09:44:05.208214383 +0200
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***************
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*** 736,737 ****
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--- 736,739 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 256,
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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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46. Your wife makes a new rule: "The computer cannot come to bed."
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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 ///
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