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Fix to COM_ParseExt 1 byte overwrite bug

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from Tim Angus in ioquake3
svn 95 git 33a48a0336865a9d21983e4836920cd9f3401101

Fix to COM_ParseExt 1 byte overwrite bug

from http://www.quakesrc.org/forums/viewtopic.php?t=5374
This commit is contained in:
Jonathan Gray 2013-05-07 01:49:40 +10:00
parent fefad8e48c
commit 1a40cbbe89
1 changed files with 2 additions and 7 deletions
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9
codemp/game/q_shared.c
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@ -492,7 +492,7 @@ char *COM_ParseExt( const char **data_p, qboolean allowLineBreaks )
*data_p = ( char * ) data; *data_p = ( char * ) data;
return com_token; return com_token;
} }
if (len < MAX_TOKEN_CHARS) if (len < MAX_TOKEN_CHARS - 1)
{ {
com_token[len] = c; com_token[len] = c;
len++; len++;
@ -503,7 +503,7 @@ char *COM_ParseExt( const char **data_p, qboolean allowLineBreaks )
// parse a regular word // parse a regular word
do do
{ {
if (len < MAX_TOKEN_CHARS) if (len < MAX_TOKEN_CHARS - 1)
{ {
com_token[len] = c; com_token[len] = c;
len++; len++;
@ -514,11 +514,6 @@ char *COM_ParseExt( const char **data_p, qboolean allowLineBreaks )
com_lines++; com_lines++;
} while (c>32); } while (c>32);
if (len == MAX_TOKEN_CHARS)
{
// Com_Printf ("Token exceeded %i chars, discarded.\n", MAX_TOKEN_CHARS);
len = 0;
}
com_token[len] = 0; com_token[len] = 0;
*data_p = ( char * ) data; *data_p = ( char * ) data;