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(svn r6884) -Codechange: Add strict bounds checking in string formatting system.

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The last parameter should point to the end of the buffer (eg lastof(buf))
 Courtesy of Tron.
This commit is contained in:
Darkvater
2006-10-21 23:31:34 +00:00
parent 7f36a980c7
commit ee27bb497c
33 changed files with 240 additions and 231 deletions
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12
openttd.c
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@@ -17,6 +17,7 @@
#include "functions.h"
#include "mixer.h"
#include "spritecache.h"
#include "strings.h"
#include "gfx.h"
#include "gfxinit.h"
#include "gui.h"
@@ -878,16 +879,17 @@ static void DoAutosave(void)
if (_patches.keep_all_autosave && _local_player != PLAYER_SPECTATOR) {
const Player *p = GetPlayer(_local_player);
char *s;
sprintf(buf, "%s%s", _path.autosave_dir, PATHSEP);
char* s = buf;
s += snprintf(buf, lengthof(buf), "%s%s", _path.autosave_dir, PATHSEP);
SetDParam(0, p->name_1);
SetDParam(1, p->name_2);
SetDParam(2, _date);
s = GetString(buf + strlen(_path.autosave_dir) + strlen(PATHSEP), STR_4004);
strcpy(s, ".sav");
s = GetString(s, STR_4004, lastof(buf));
strecpy(s, ".sav", lastof(buf));
} else { /* generate a savegame name and number according to _patches.max_num_autosaves */
sprintf(buf, "%s%sautosave%d.sav", _path.autosave_dir, PATHSEP, _autosave_ctr);
snprintf(buf, lengthof(buf), "%s%sautosave%d.sav", _path.autosave_dir, PATHSEP, _autosave_ctr);
_autosave_ctr++;
if (_autosave_ctr >= _patches.max_num_autosaves) {