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» SmaugMuds.org » General » Smaug Snippets » Alias Snippet
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Post is unread #1 Sep 22, 2009, 11:44 pm
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dbna2
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Well I installed it and only got one warning...


In function 'strncat',
inlined from 'check_alias' at alias.c:158:
/usr/include/bits/string3.h:153: warning: call to __builtin___strncat_chk might overflow destination buffer


      strncat( arg, argument, MAX_INPUT_LENGTH );


Any ideas?
       
Post is unread #2 Sep 23, 2009, 8:37 am
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David Haley
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What's the declaration for arg and argument here?
       
Post is unread #3 Sep 23, 2009, 9:35 am
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dbna2
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bool check_alias( CHAR_DATA * ch, char *command, char *argument )
{
   char arg[MAX_INPUT_LENGTH];
       
Post is unread #4 Sep 23, 2009, 9:36 am
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David Haley
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It's probably complaining because you need space for the zero byte. Try

strncat( arg, argument, MAX_INPUT_LENGTH-1 );
       
Post is unread #5 Sep 23, 2009, 9:42 am
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dbna2
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Worked thanks.
       
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