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(svn r767) Introduce USERSTRING_LEN (128) and try to make sure we don't overflow it anywhere (as long as we keep USERSTRING_LEN above 7 or so).

This commit is contained in:
pasky 2004-11-22 21:41:25 +00:00
parent d4b723a7c9
commit 3ee0dee12a
4 changed files with 7 additions and 3 deletions
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3
engine.c
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@ -601,7 +601,8 @@ StringID GetCustomEngineName(int engine)
{
if (!_engine_custom_names[engine])
return _engine_name_strings[engine];
strcpy(_userstring, _engine_custom_names[engine]);
strncpy(_userstring, _engine_custom_names[engine], USERSTRING_LEN);
_userstring[USERSTRING_LEN - 1] = '\0';
return STR_SPEC_USERSTRING;
}

2
misc_gui.c
View File

@ -53,7 +53,7 @@ static void LandInfoWndProc(Window *w, WindowEvent *e)
}
DrawStringCentered(140, 38, str, 0);
sprintf(_userstring, "%.4X", lid->tile);
snprintf(_userstring, USERSTRING_LEN, "%.4X", lid->tile);
SET_DPARAM16(0, GET_TILE_X(lid->tile));
SET_DPARAM16(1, GET_TILE_Y(lid->tile));
SET_DPARAM16(2, STR_SPEC_USERSTRING);

2
station_gui.c
View File

@ -375,6 +375,8 @@ static void DrawStationViewWindow(Window *w)
b += 3;
for(i=0; i!=NUM_CARGO; i++) {
if (b + 5 > USERSTRING_LEN - 1)
break;
if (st->goods[i].waiting_acceptance & 0x8000) {
b[0] = 0x81;
WRITE_LE_UINT16(b+1, _cargoc.names_s[i]);

3
variables.h
View File

@ -431,7 +431,8 @@ extern const TileIndexDiff _tileoffs_by_dir[4];
/* misc */
VARDEF byte str_buffr[512];
VARDEF char _screenshot_name[128];
VARDEF char _userstring[128];
#define USERSTRING_LEN 128
VARDEF char _userstring[USERSTRING_LEN];
VARDEF byte _vehicle_design_names;
VARDEF SignStruct _sign_list[40];