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Fix two copy/paste bugs: forbid zero-length buffers to prevent a fatal error

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when trying to paste them, found by me, and miscalculation of the start/end
causing random fatal errors when copying in copy-mode, reported by sthen.
This commit is contained in:
Nicholas Marriott
2009-07-02 16:23:54 +00:00
parent 85dac1e378
commit 29ac832cb3
3 changed files with 8 additions and 5 deletions
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5
paste.c
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@ -1,4 +1,4 @@
/* $Id: paste.c,v 1.6 2009-01-25 18:51:28 tcunha Exp $ */
/* $Id: paste.c,v 1.7 2009-07-02 16:23:54 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -101,6 +101,9 @@ paste_add(struct paste_stack *ps, char *data, u_int limit)
{
struct paste_buffer *pb;
if (*data == '\0')
return;
while (ARRAY_LENGTH(ps) >= limit)
ARRAY_TRUNC(ps, 1);