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Fix buffer overrun on malformed old levels

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This commit is contained in:
Kp 2013-11-25 00:20:18 +00:00
parent fa496dc992
commit d9d79d3c9f
1 changed files with 12 additions and 1 deletions
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13
similar/main/gamesave.cpp
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@ -837,7 +837,18 @@ static int load_game_data(PHYSFS_file *LoadFile)
// read null-terminated string
char *p=Current_level_name;
//must do read one char at a time, since no PHYSFSX_fgets()
do *p = PHYSFSX_fgetc(LoadFile); while (*p++!=0);
for (;;) {
*p = PHYSFSX_fgetc(LoadFile);
if (!*p)
break;
if (++p == Current_level_name + (sizeof(Current_level_name) / sizeof(Current_level_name[0])))
{
p[-1] = 0;
while (PHYSFSX_fgetc(LoadFile))
;
break;
}
}
}
else
Current_level_name[0]=0;