summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDarkvater <darkvater@openttd.org>2006-10-21 23:31:34 +0000
committerDarkvater <darkvater@openttd.org>2006-10-21 23:31:34 +0000
commitee27bb497c0790d86da6025fa48034f01f36d6e0 (patch)
treebbd2a7ac7e0c3b558bf638e1779108ced158cb6a
parent7f36a980c70d2444a68af5046e47c0313d67b2ef (diff)
downloadopenttd-ee27bb497c0790d86da6025fa48034f01f36d6e0.tar.xz
(svn r6884) -Codechange: Add strict bounds checking in string formatting system.
The last parameter should point to the end of the buffer (eg lastof(buf)) Courtesy of Tron.
-rw-r--r--build_vehicle_gui.c4
-rw-r--r--console_cmds.c2
-rw-r--r--functions.h2
-rw-r--r--genworld_gui.c2
-rw-r--r--gfx.c20
-rw-r--r--graph_gui.c4
-rw-r--r--industry_gui.c4
-rw-r--r--main_gui.c4
-rw-r--r--misc.c4
-rw-r--r--misc_gui.c14
-rw-r--r--network.c26
-rw-r--r--network_client.c4
-rw-r--r--network_data.h2
-rw-r--r--network_gui.c16
-rw-r--r--network_server.c9
-rw-r--r--newgrf_text.c4
-rw-r--r--newgrf_text.h2
-rw-r--r--news_gui.c2
-rw-r--r--openttd.c12
-rw-r--r--order_cmd.c2
-rw-r--r--players.c10
-rw-r--r--screenshot.c2
-rw-r--r--station_gui.c4
-rw-r--r--string.c11
-rw-r--r--strings.c281
-rw-r--r--strings.h2
-rw-r--r--texteff.c2
-rw-r--r--town_cmd.c4
-rw-r--r--town_gui.c4
-rw-r--r--train_gui.c4
-rw-r--r--vehicle.c2
-rw-r--r--vehicle_gui.c4
-rw-r--r--viewport.c2
33 files changed, 240 insertions, 231 deletions
diff --git a/build_vehicle_gui.c b/build_vehicle_gui.c
index ce7f91a83..9fe1d97bc 100644
--- a/build_vehicle_gui.c
+++ b/build_vehicle_gui.c
@@ -99,12 +99,12 @@ static int CDECL EngineNameSorter(const void *a, const void *b)
if (va != last_engine[0]) {
last_engine[0] = va;
- GetString(last_name[0], GetCustomEngineName(va));
+ GetString(last_name[0], GetCustomEngineName(va), lastof(last_name[0]));
}
if (vb != last_engine[1]) {
last_engine[1] = vb;
- GetString(last_name[1], GetCustomEngineName(vb));
+ GetString(last_name[1], GetCustomEngineName(vb), lastof(last_name[1]));
}
r = strcmp(last_name[0], last_name[1]); // sort by name
diff --git a/console_cmds.c b/console_cmds.c
index aa7f44c84..ad0efb817 100644
--- a/console_cmds.c
+++ b/console_cmds.c
@@ -1217,7 +1217,7 @@ DEF_CONSOLE_CMD(ConPlayers)
if (!p->is_active) continue;
- GetString(buffer, STR_00D1_DARK_BLUE + _player_colors[p->index]);
+ GetString(buffer, STR_00D1_DARK_BLUE + _player_colors[p->index], lastof(buffer));
IConsolePrintF(8, "#:%d(%s) Company Name: '%s' Year Founded: %d Money: %d Loan: %d Value: %" OTTD_PRINTF64 "d (T:%d, R:%d, P:%d, S:%d)",
p->index + 1, buffer, _network_player_info[p->index].company_name, p->inaugurated_year, p->player_money, p->current_loan, CalculateCompanyValue(p),
/* trains */ _network_player_info[p->index].num_vehicle[0],
diff --git a/functions.h b/functions.h
index a7237a778..415f7a0cc 100644
--- a/functions.h
+++ b/functions.h
@@ -140,7 +140,7 @@ void InitializeLandscapeVariables(bool only_constants);
/* misc.c */
bool IsCustomName(StringID id);
void DeleteName(StringID id);
-char *GetName(int id, char *buff);
+char *GetName(char *buff, StringID id, const char* last);
// AllocateNameUnique also tests if the name used is not used anywere else
// and if it is used, it returns an error.
diff --git a/genworld_gui.c b/genworld_gui.c
index 304540fc6..3cc745432 100644
--- a/genworld_gui.c
+++ b/genworld_gui.c
@@ -284,7 +284,7 @@ void GenerateLandscapeWndProc(Window *w, WindowEvent *e)
SetDParam(0, _heightmap_x);
SetDParam(1, _heightmap_y);
}
- GetString(buffer, STR_HEIGHTMAP_SIZE);
+ GetString(buffer, STR_HEIGHTMAP_SIZE, lastof(buffer));
DrawStringRightAligned(326, 91, STR_HEIGHTMAP_SIZE, 0x10);
DrawString( 12, 91, STR_HEIGHTMAP_NAME, 0x10);
diff --git a/gfx.c b/gfx.c
index 415ca517e..d7b66f05d 100644
--- a/gfx.c
+++ b/gfx.c
@@ -329,9 +329,9 @@ static int TruncateString(char *str, int maxw)
return w;
}
-static inline int TruncateStringID(StringID src, char *dest, int maxw)
+static inline int TruncateStringID(StringID src, char *dest, int maxw, const char* last)
{
- GetString(dest, src);
+ GetString(dest, src, last);
return TruncateString(dest, maxw);
}
@@ -340,14 +340,14 @@ int DrawString(int x, int y, StringID str, uint16 color)
{
char buffer[512];
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
return DoDrawString(buffer, x, y, color);
}
int DrawStringTruncated(int x, int y, StringID str, uint16 color, uint maxw)
{
char buffer[512];
- TruncateStringID(str, buffer, maxw);
+ TruncateStringID(str, buffer, maxw, lastof(buffer));
return DoDrawString(buffer, x, y, color);
}
@@ -357,7 +357,7 @@ int DrawStringRightAligned(int x, int y, StringID str, uint16 color)
char buffer[512];
int w;
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
w = GetStringBoundingBox(buffer).width;
DoDrawString(buffer, x - w, y, color);
@@ -368,7 +368,7 @@ void DrawStringRightAlignedTruncated(int x, int y, StringID str, uint16 color, u
{
char buffer[512];
- TruncateStringID(str, buffer, maxw);
+ TruncateStringID(str, buffer, maxw, lastof(buffer));
DoDrawString(buffer, x - GetStringBoundingBox(buffer).width, y, color);
}
@@ -384,7 +384,7 @@ int DrawStringCentered(int x, int y, StringID str, uint16 color)
char buffer[512];
int w;
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
w = GetStringBoundingBox(buffer).width;
DoDrawString(buffer, x - w / 2, y, color);
@@ -395,7 +395,7 @@ int DrawStringCentered(int x, int y, StringID str, uint16 color)
int DrawStringCenteredTruncated(int xl, int xr, int y, StringID str, uint16 color)
{
char buffer[512];
- int w = TruncateStringID(str, buffer, xr - xl);
+ int w = TruncateStringID(str, buffer, xr - xl, lastof(buffer));
return DoDrawString(buffer, (xl + xr - w) / 2, y, color);
}
@@ -466,7 +466,7 @@ void DrawStringMultiCenter(int x, int y, StringID str, int maxw)
const char *src;
byte c;
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
tmp = FormatStringLinebreaks(buffer, maxw);
num = GB(tmp, 0, 16);
@@ -508,7 +508,7 @@ void DrawStringMultiLine(int x, int y, StringID str, int maxw)
const char *src;
byte c;
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
tmp = FormatStringLinebreaks(buffer, maxw);
num = GB(tmp, 0, 16);
diff --git a/graph_gui.c b/graph_gui.c
index 5919e4505..9502ba1cd 100644
--- a/graph_gui.c
+++ b/graph_gui.c
@@ -1135,11 +1135,11 @@ static int CDECL SignNameSorter(const void *a, const void *b)
const Sign *sign1 = *(const Sign**)b;
char buf1[64];
- GetString(buf1, sign0->str);
+ GetString(buf1, sign0->str, lastof(buf1));
if (sign1 != _last_sign) {
_last_sign = sign1;
- GetString(_bufcache, sign1->str);
+ GetString(_bufcache, sign1->str, lastof(_bufcache));
}
return strcmp(buf1, _bufcache); // sort by name
diff --git a/industry_gui.c b/industry_gui.c
index a5c9258bc..b97595e7f 100644
--- a/industry_gui.c
+++ b/industry_gui.c
@@ -536,12 +536,12 @@ static int CDECL GeneralIndustrySorter(const void *a, const void *b)
char buf1[96];
SetDParam(0, i->town->index);
- GetString(buf1, STR_TOWN);
+ GetString(buf1, STR_TOWN, lastof(buf1));
if (j != _last_industry) {
_last_industry = j;
SetDParam(0, j->town->index);
- GetString(_bufcache, STR_TOWN);
+ GetString(_bufcache, STR_TOWN, lastof(_bufcache));
}
r = strcmp(buf1, _bufcache);
}
diff --git a/main_gui.c b/main_gui.c
index 1a5cacbac..5ddab1c81 100644
--- a/main_gui.c
+++ b/main_gui.c
@@ -658,7 +658,7 @@ static int GetStringListMaxWidth(StringID base_string, byte count)
max_width = 0;
for (i = 0; i != count; i++) {
- GetString(buffer, base_string + i);
+ GetString(buffer, base_string + i, lastof(buffer));
width = GetStringBoundingBox(buffer).width;
if (width > max_width) max_width = width;
}
@@ -2108,7 +2108,7 @@ static bool DrawScrollingStatusText(const NewsItem *ni, int pos)
str = ni->string_id;
}
- GetString(buf, str);
+ GetString(buf, str, lastof(buf));
s = buf;
d = buffer;
diff --git a/misc.c b/misc.c
index 80ef97c72..4d60dfdf1 100644
--- a/misc.c
+++ b/misc.c
@@ -162,9 +162,9 @@ void DeleteName(StringID id)
}
}
-char *GetName(int id, char *buff)
+char *GetName(char *buff, StringID id, const char* last)
{
- return strecpy(buff, _name_array[id & ~0x600], NULL);
+ return strecpy(buff, _name_array[id & ~0x600], last);
}
diff --git a/misc_gui.c b/misc_gui.c
index 7df37a8d3..eeebf6588 100644
--- a/misc_gui.c
+++ b/misc_gui.c
@@ -92,7 +92,7 @@ static void LandInfoWndProc(Window *w, WindowEvent *e)
{
char buf[512];
- char *p = GetString(buf, STR_01CE_CARGO_ACCEPTED);
+ char *p = GetString(buf, STR_01CE_CARGO_ACCEPTED, lastof(buf));
bool found = false;
for (i = 0; i < NUM_CARGO; ++i) {
@@ -108,9 +108,9 @@ static void LandInfoWndProc(Window *w, WindowEvent *e)
if (lid->ac[i] < 8) {
SetDParam(0, lid->ac[i]);
SetDParam(1, _cargoc.names_s[i]);
- p = GetString(p, STR_01D1_8);
+ p = GetString(p, STR_01D1_8, lastof(buf));
} else {
- p = GetString(p, _cargoc.names_s[i]);
+ p = GetString(p, _cargoc.names_s[i], lastof(buf));
}
}
}
@@ -679,7 +679,7 @@ void GuiShowTooltipsWithArgs(StringID str, uint paramcount, const uint32 params[
if (str == STR_NULL || (paramcount != 0 && !_patches.measure_tooltip)) return;
for (i = 0; i != paramcount; i++) SetDParam(i, params[i]);
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
br = GetStringBoundingBox(buffer);
br.width += 6; br.height += 4; // increase slightly to have some space around the box
@@ -1076,7 +1076,7 @@ void ShowQueryString(StringID str, StringID caption, uint maxlen, uint maxwidth,
w = AllocateWindowDesc(&_query_string_desc);
- GetString(_edit_str_buf, str);
+ GetString(_edit_str_buf, str, lastof(_edit_str_buf));
_edit_str_buf[realmaxlen-1] = '\0';
if (maxlen & 0x1000) {
@@ -1311,7 +1311,7 @@ static void GenerateFileName(void)
SetDParam(0, p->name_1);
SetDParam(1, p->name_2);
SetDParam(2, _date);
- GetString(_edit_str_buf, STR_4004);
+ GetString(_edit_str_buf, STR_4004, lastof(_edit_str_buf));
}
extern void StartupEngines(void);
@@ -1777,7 +1777,7 @@ static void CheatsWndProc(Window *w, WindowEvent *e)
/* Draw colored flag for change player cheat */
case STR_CHEAT_CHANGE_PLAYER:
SetDParam(0, val);
- GetString(buf, STR_CHEAT_CHANGE_PLAYER);
+ GetString(buf, STR_CHEAT_CHANGE_PLAYER, lastof(buf));
DrawPlayerIcon(_current_player, 60 + GetStringBoundingBox(buf).width, y + 2);
break;
/* Set correct string for switch climate cheat */
diff --git a/network.c b/network.c
index 4388dc349..5742eb045 100644
--- a/network.c
+++ b/network.c
@@ -131,54 +131,54 @@ void CDECL NetworkTextMessage(NetworkAction action, uint16 color, bool self_send
switch (action) {
case NETWORK_ACTION_JOIN:
- GetString(temp, STR_NETWORK_CLIENT_JOINED);
+ GetString(temp, STR_NETWORK_CLIENT_JOINED, lastof(temp));
snprintf(message, sizeof(message), "*** %s %s", name, temp);
break;
case NETWORK_ACTION_LEAVE:
- GetString(temp, STR_NETWORK_ERR_LEFT);
+ GetString(temp, STR_NETWORK_ERR_LEFT, lastof(temp));
snprintf(message, sizeof(message), "*** %s %s (%s)", name, temp, buf);
break;
case NETWORK_ACTION_GIVE_MONEY:
if (self_send) {
SetDParamStr(0, name);
SetDParam(1, atoi(buf));
- GetString(temp, STR_NETWORK_GAVE_MONEY_AWAY);
+ GetString(temp, STR_NETWORK_GAVE_MONEY_AWAY, lastof(temp));
snprintf(message, sizeof(message), "*** %s", temp);
} else {
SetDParam(0, atoi(buf));
- GetString(temp, STR_NETWORK_GIVE_MONEY);
+ GetString(temp, STR_NETWORK_GIVE_MONEY, lastof(temp));
snprintf(message, sizeof(message), "*** %s %s", name, temp);
}
break;
case NETWORK_ACTION_CHAT_COMPANY:
if (self_send) {
SetDParamStr(0, name);
- GetString(temp, STR_NETWORK_CHAT_TO_COMPANY);
+ GetString(temp, STR_NETWORK_CHAT_TO_COMPANY, lastof(temp));
snprintf(message, sizeof(message), "%s %s", temp, buf);
} else {
SetDParamStr(0, name);
- GetString(temp, STR_NETWORK_CHAT_COMPANY);
+ GetString(temp, STR_NETWORK_CHAT_COMPANY, lastof(temp));
snprintf(message, sizeof(message), "%s %s", temp, buf);
}
break;
case NETWORK_ACTION_CHAT_CLIENT:
if (self_send) {
SetDParamStr(0, name);
- GetString(temp, STR_NETWORK_CHAT_TO_CLIENT);
+ GetString(temp, STR_NETWORK_CHAT_TO_CLIENT, lastof(temp));
snprintf(message, sizeof(message), "%s %s", temp, buf);
} else {
SetDParamStr(0, name);
- GetString(temp, STR_NETWORK_CHAT_CLIENT);
+ GetString(temp, STR_NETWORK_CHAT_CLIENT, lastof(temp));
snprintf(message, sizeof(message), "%s %s", temp, buf);
}
break;
case NETWORK_ACTION_NAME_CHANGE:
- GetString(temp, STR_NETWORK_NAME_CHANGE);
+ GetString(temp, STR_NETWORK_NAME_CHANGE, lastof(temp));
snprintf(message, sizeof(message), "*** %s %s %s", name, temp, buf);
break;
default:
SetDParamStr(0, name);
- GetString(temp, STR_NETWORK_CHAT_ALL);
+ GetString(temp, STR_NETWORK_CHAT_ALL, lastof(temp));
snprintf(message, sizeof(message), "%s %s", temp, buf);
break;
}
@@ -260,7 +260,7 @@ static void NetworkClientError(NetworkRecvStatus res, NetworkClientState* cs)
* @param buf buffer where the error message will be stored
* @param err NetworkErrorCode
* @return returns a pointer to the error message (buf) */
-char *GetNetworkErrorMsg(char *buf, NetworkErrorCode err)
+char* GetNetworkErrorMsg(char* buf, NetworkErrorCode err, const char* last)
{
/* List of possible network errors, used by
* PACKET_SERVER_ERROR and PACKET_CLIENT_ERROR */
@@ -283,7 +283,7 @@ char *GetNetworkErrorMsg(char *buf, NetworkErrorCode err)
if (err >= lengthof(network_error_strings)) err = 0;
- return GetString(buf, network_error_strings[err]);
+ return GetString(buf, network_error_strings[err], last);
}
/* Count the number of active clients connected */
@@ -599,7 +599,7 @@ void NetworkCloseClient(NetworkClientState *cs)
NetworkGetClientName(client_name, sizeof(client_name), cs);
- GetNetworkErrorMsg(str, errorno);
+ GetNetworkErrorMsg(str, errorno, lastof(str));
NetworkTextMessage(NETWORK_ACTION_LEAVE, 1, false, client_name, "%s", str);
diff --git a/network_client.c b/network_client.c
index 690429895..80dd45b94 100644
--- a/network_client.c
+++ b/network_client.c
@@ -628,7 +628,7 @@ DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
/* For speaking to player or give money, we need the player-name */
if (!IsValidPlayer(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY; // This should never happen
- GetString(name, GetPlayer(ci_to->client_playas)->name_1);
+ GetString(name, GetPlayer(ci_to->client_playas)->name_1, lastof(name));
ci = NetworkFindClientInfoFromIndex(_network_own_client_index);
break;
default:
@@ -654,7 +654,7 @@ DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
NetworkClientInfo *ci;
index = NetworkRecv_uint16(MY_CLIENT, p);
- GetNetworkErrorMsg(str, NetworkRecv_uint8(MY_CLIENT, p));
+ GetNetworkErrorMsg(str, NetworkRecv_uint8(MY_CLIENT, p), lastof(str));
ci = NetworkFindClientInfoFromIndex(index);
if (ci != NULL) {
diff --git a/network_data.h b/network_data.h
index 75259e9a6..40a2b5704 100644
--- a/network_data.h
+++ b/network_data.h
@@ -230,7 +230,7 @@ NetworkClientInfo *NetworkFindClientInfoFromIndex(uint16 client_index);
NetworkClientInfo *NetworkFindClientInfoFromIP(const char *ip);
NetworkClientState *NetworkFindClientStateFromIndex(uint16 client_index);
unsigned long NetworkResolveHost(const char *hostname);
-char *GetNetworkErrorMsg(char *buf, NetworkErrorCode err);
+char* GetNetworkErrorMsg(char* buf, NetworkErrorCode err, const char* last);
#endif /* ENABLE_NETWORK */
diff --git a/network_gui.c b/network_gui.c
index 0e45846a3..d200f4da4 100644
--- a/network_gui.c
+++ b/network_gui.c
@@ -1181,36 +1181,36 @@ static Window *PopupClientList(Window *w, int client_no, int x, int y)
i = 0;
if (_network_own_client_index != ci->client_index) {
- GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_SPEAK_TO_CLIENT);
+ GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_SPEAK_TO_CLIENT, lastof(_clientlist_action[i]));
_clientlist_proc[i++] = &ClientList_SpeakToClient;
}
if (IsValidPlayer(ci->client_playas)) {
- GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_SPEAK_TO_COMPANY);
+ GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_SPEAK_TO_COMPANY, lastof(_clientlist_action[i]));
_clientlist_proc[i++] = &ClientList_SpeakToCompany;
}
- GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_SPEAK_TO_ALL);
+ GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_SPEAK_TO_ALL, lastof(_clientlist_action[i]));
_clientlist_proc[i++] = &ClientList_SpeakToAll;
if (_network_own_client_index != ci->client_index) {
/* We are no spectator and the player we want to give money to is no spectator */
if (IsValidPlayer(_network_playas) && IsValidPlayer(ci->client_playas)) {
- GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_GIVE_MONEY);
+ GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_GIVE_MONEY, lastof(_clientlist_action[i]));
_clientlist_proc[i++] = &ClientList_GiveMoney;
}
}
// A server can kick clients (but not himself)
if (_network_server && _network_own_client_index != ci->client_index) {
- GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_KICK);
+ GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_KICK, lastof(_clientlist_action[i]));
_clientlist_proc[i++] = &ClientList_Kick;
- sprintf(_clientlist_action[i],"Ban");
+ sprintf(_clientlist_action[i],"Ban"); // XXX GetString?
_clientlist_proc[i++] = &ClientList_Ban;
}
if (i == 0) {
- GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_NONE);
+ GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_NONE, lastof(_clientlist_action[i]));
_clientlist_proc[i++] = &ClientList_None;
}
@@ -1511,7 +1511,7 @@ static const char *ChatTabCompletionNextItem(uint *item)
FOR_ALL_TOWNS_FROM(t, *item - MAX_CLIENT_INFO) {
/* Get the town-name via the string-system */
SetDParam(0, t->townnameparts);
- GetString(chat_tab_temp_buffer, t->townnametype);
+ GetString(chat_tab_temp_buffer, t->townnametype, lastof(chat_tab_temp_buffer));
return &chat_tab_temp_buffer[0];
}
}
diff --git a/network_server.c b/network_server.c
index 714daf9cc..f8e4b61c8 100644
--- a/network_server.c
+++ b/network_server.c
@@ -3,6 +3,7 @@
#ifdef ENABLE_NETWORK
#include "stdafx.h"
+#include "openttd.h" // XXX StringID
#include "debug.h"
#include "string.h"
#include "strings.h"
@@ -144,7 +145,7 @@ DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR)(NetworkClientState *cs, Netwo
NetworkSend_uint8(p, error);
NetworkSend_Packet(p, cs);
- GetNetworkErrorMsg(str, error);
+ GetNetworkErrorMsg(str, error, lastof(str));
// Only send when the current client was in game
if (cs->status > STATUS_AUTH) {
@@ -899,7 +900,7 @@ DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ERROR)
NetworkGetClientName(client_name, sizeof(client_name), cs);
- GetNetworkErrorMsg(str, errorno);
+ GetNetworkErrorMsg(str, errorno, lastof(str));
DEBUG(net, 2)("[NET] %s reported an error and is closing his connection (%s)", client_name, str);
@@ -1043,7 +1044,7 @@ void NetworkServer_HandleChat(NetworkAction action, DestType desttype, int dest,
if (ci != NULL && show_local) {
if (from_index == NETWORK_SERVER_INDEX) {
char name[NETWORK_NAME_LENGTH];
- GetString(name, GetPlayer(ci_to->client_playas)->name_1);
+ GetString(name, GetPlayer(ci_to->client_playas)->name_1, lastof(name));
NetworkTextMessage(action, GetDrawStringPlayerColor(ci_own->client_playas), true, name, "%s", msg);
} else {
FOR_ALL_CLIENTS(cs) {
@@ -1211,7 +1212,7 @@ void NetworkPopulateCompanyInfo(void)
// Grap the company name
SetDParam(0, p->name_1);
SetDParam(1, p->name_2);
- GetString(_network_player_info[p->index].company_name, STR_JUST_STRING);
+ GetString(_network_player_info[p->index].company_name, STR_JUST_STRING, lastof(_network_player_info[p->index].company_name));
// Check the income
if (_cur_year - 1 == p->inaugurated_year) {
diff --git a/newgrf_text.c b/newgrf_text.c
index 0c576f006..d89475f96 100644
--- a/newgrf_text.c
+++ b/newgrf_text.c
@@ -292,7 +292,7 @@ StringID GetGRFStringID(uint32 grfid, uint16 stringid)
}
-char *GetGRFString(char *buff, uint16 stringid)
+char *GetGRFString(char *buff, uint16 stringid, const char* last)
{
const GRFText *default_text = NULL;
const GRFText *search_text;
@@ -319,7 +319,7 @@ char *GetGRFString(char *buff, uint16 stringid)
if (default_text != NULL) return strecpy(buff, default_text->text, NULL);
/* Use the default string ID if the fallback string isn't available */
- return GetString(buff, _grf_text[stringid].def_string);
+ return GetString(buff, _grf_text[stringid].def_string, last);
}
/**
diff --git a/newgrf_text.h b/newgrf_text.h
index d5b787a8c..62dc3c473 100644
--- a/newgrf_text.h
+++ b/newgrf_text.h
@@ -8,7 +8,7 @@
StringID AddGRFString(uint32 grfid, uint16 stringid, byte langid, bool new_scheme, const char *text_to_add, StringID def_string);
StringID GetGRFStringID(uint32 grfid, uint16 stringid);
-char *GetGRFString(char *buff, uint16 stringid);
+char *GetGRFString(char *buff, uint16 stringid, const char* last);
void CleanUpStrings(void);
void SetCurrentGrfLangID(const char *iso_name);
diff --git a/news_gui.c b/news_gui.c
index fa56a6ea0..498009108 100644
--- a/news_gui.c
+++ b/news_gui.c
@@ -579,7 +579,7 @@ static void DrawNewsString(int x, int y, uint16 color, const NewsItem *ni, uint
str = ni->string_id;
}
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
/* Copy the just gotten string to another buffer to remove any formatting
* from it such as big fonts, etc. */
for (ptr = buffer, dest = buffer2; *ptr != '\0'; ptr++) {
diff --git a/openttd.c b/openttd.c
index ba7cddcd5..cd28d9697 100644
--- a/openttd.c
+++ b/openttd.c
@@ -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) {
diff --git a/order_cmd.c b/order_cmd.c
index 8614bb639..3d79daf2e 100644
--- a/order_cmd.c
+++ b/order_cmd.c
@@ -826,7 +826,7 @@ void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *bak)
if (!IsCustomName(v->string_id)) {
bak->name[0] = '\0';
} else {
- GetName(v->string_id & 0x7FF, bak->name);
+ GetName(bak->name, v->string_id & 0x7FF, lastof(bak->name));
}
/* If we have shared orders, store it on a special way */
diff --git a/players.c b/players.c
index d343f43aa..89c0f469d 100644
--- a/players.c
+++ b/players.c
@@ -331,7 +331,7 @@ verify_name:;
if (pp->name_1 == str && pp->name_2 == strp) goto bad_town_name;
}
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
if (strlen(buffer) >= 32 || GetStringBoundingBox(buffer).width >= 150)
goto bad_town_name;
@@ -438,14 +438,14 @@ restart:;
p->president_name_1 = SPECSTR_PRESIDENT_NAME;
SetDParam(0, p->president_name_2);
- GetString(buffer, p->president_name_1);
+ GetString(buffer, p->president_name_1, lastof(buffer));
if (strlen(buffer) >= 32 || GetStringBoundingBox(buffer).width >= 94)
continue;
FOR_ALL_PLAYERS(pp) {
if (pp->is_active && p != pp) {
SetDParam(0, pp->president_name_2);
- GetString(buffer2, pp->president_name_1);
+ GetString(buffer2, pp->president_name_1, lastof(buffer));
if (strcmp(buffer2, buffer) == 0)
goto restart;
}
@@ -998,7 +998,7 @@ int8 SaveHighScoreValue(const Player *p)
SetDParam(1, p->president_name_2);
SetDParam(2, p->name_1);
SetDParam(3, p->name_2);
- GetString(hs[i].company, STR_HIGHSCORE_NAME); // get manager/company name string
+ GetString(hs[i].company, STR_HIGHSCORE_NAME, lastof(hs[i].company)); // get manager/company name string
hs[i].score = score;
hs[i].title = EndGameGetPerformanceTitleFromValue(score);
return i;
@@ -1043,7 +1043,7 @@ int8 SaveHighScoreValueNetwork(void)
SetDParam(1, pl[i]->president_name_2);
SetDParam(2, pl[i]->name_1);
SetDParam(3, pl[i]->name_2);
- GetString(hs->company, STR_HIGHSCORE_NAME); // get manager/company name string
+ GetString(hs->company, STR_HIGHSCORE_NAME, lastof(hs->company)); // get manager/company name string
hs->score = pl[i]->old_economy[0].performance_history;
hs->title = EndGameGetPerformanceTitleFromValue(hs->score);
diff --git a/screenshot.c b/screenshot.c
index 8d5bc718d..82124ba6d 100644
--- a/screenshot.c
+++ b/screenshot.c
@@ -504,7 +504,7 @@ static char *MakeScreenshotName(const char *ext)
SetDParam(0, p->name_1);
SetDParam(1, p->name_2);
SetDParam(2, _date);
- GetString(_screenshot_name, STR_4004);
+ GetString(_screenshot_name, STR_4004, lastof(_screenshot_name));
}
base = strchr(_screenshot_name, 0);
diff --git a/station_gui.c b/station_gui.c
index a28a54393..4ae747172 100644
--- a/station_gui.c
+++ b/station_gui.c
@@ -81,12 +81,12 @@ static int CDECL StationNameSorter(const void *a, const void *b)
int r;
SetDParam(0, st1->index);
- GetString(buf1, STR_STATION);
+ GetString(buf1, STR_STATION, lastof(buf1));
if (st2 != _last_station) {
_last_station = st2;
SetDParam(0, st2->index);
- GetString(_bufcache, STR_STATION);
+ GetString(_bufcache, STR_STATION, lastof(_bufcache));
}
r = strcmp(buf1, _bufcache); // sort by name
diff --git a/string.c b/string.c
index a0e6b42a6..50625c2fb 100644
--- a/string.c
+++ b/string.c
@@ -1,6 +1,8 @@
/* $Id$ */
#include "stdafx.h"
+#include "openttd.h"
+#include "functions.h"
#include "string.h"
#include <stdarg.h>
@@ -26,7 +28,7 @@ void ttd_strlcpy(char *dst, const char *src, size_t size)
char* strecat(char* dst, const char* src, const char* last)
{
- assert(last == NULL || dst <= last);
+ assert(dst <= last);
for (; *dst != '\0'; ++dst)
if (dst == last) return dst;
for (; *src != '\0' && dst != last; ++dst, ++src) *dst = *src;
@@ -37,9 +39,14 @@ char* strecat(char* dst, const char* src, const char* last)
char* strecpy(char* dst, const char* src, const char* last)
{
- assert(last == NULL || dst <= last);
+ assert(dst <= last);
for (; *src != '\0' && dst != last; ++dst, ++src) *dst = *src;
*dst = '\0';
+#if 0
+ if (dst == last && *src != '\0') {
+ error("String too long for destination buffer");
+ }
+#endif
return dst;
}
diff --git a/strings.c b/strings.c
index ead83f84f..71e330bfe 100644
--- a/strings.c
+++ b/strings.c
@@ -31,11 +31,11 @@
char _userstring[128];
-static char *StationGetSpecialString(char *buff, int x);
-static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed);
-static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv);
+static char *StationGetSpecialString(char *buff, int x, const char* last);
+static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last);
+static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv, const char* last);
-static char *FormatString(char *buff, const char *str, const int32 *argv, uint casei);
+static char *FormatString(char *buff, const char *str, const int32 *argv, uint casei, const char* last);
typedef struct LanguagePack {
uint32 ident;
@@ -166,7 +166,7 @@ static const char *GetStringPtr(StringID string)
// These 8 bits will only be set when FormatString wants to print
// the string in a different case. No one else except FormatString
// should set those bits, therefore string CANNOT be StringID, but uint32.
-static char *GetStringWithArgs(char *buffr, uint string, const int32 *argv)
+static char *GetStringWithArgs(char *buffr, uint string, const int32 *argv, const char* last)
{
uint index = GB(string, 0, 11);
uint tab = GB(string, 11, 5);
@@ -177,46 +177,46 @@ static char *GetStringWithArgs(char *buffr, uint string, const int32 *argv)
switch (tab) {
case 4:
if (index >= 0xC0)
- return GetSpecialTownNameString(buffr, index - 0xC0, GetInt32(&argv));
+ return GetSpecialTownNameString(buffr, index - 0xC0, GetInt32(&argv), last);
break;
case 14:
if (index >= 0xE4)
- return GetSpecialPlayerNameString(buffr, index - 0xE4, argv);
+ return GetSpecialPlayerNameString(buffr, index - 0xE4, argv, last);
break;
// User defined name
case 15:
- return GetName(index, buffr);
+ return GetName(buffr, index, last);
case 26:
/* Include string within newgrf text (format code 81) */
if (HASBIT(index, 10)) {
StringID string = GetGRFStringID(0, 0xD000 + GB(index, 0, 10));
- return GetStringWithArgs(buffr, string, argv);
+ return GetStringWithArgs(buffr, string, argv, last);
}
break;
case 28:
- GetGRFString(buff, index);
- return FormatString(buffr, buff, argv, 0);
+ GetGRFString(buff, index, last);
+ return FormatString(buffr, buff, argv, 0, last);
case 29:
- GetGRFString(buff, index + 0x800);
- return FormatString(buffr, buff, argv, 0);
+ GetGRFString(buff, index + 0x800, last);
+ return FormatString(buffr, buff, argv, 0, last);
case 30:
- GetGRFString(buff, index + 0x1000);
- return FormatString(buffr, buff, argv, 0);
+ GetGRFString(buff, index + 0x1000, last);
+ return FormatString(buffr, buff, argv, 0, last);
case 31:
// dynamic strings. These are NOT to be passed through the formatter,
// but passed through verbatim.
if (index < (STR_SPEC_USERSTRING & 0x7FF)) {
- return strecpy(buffr, _bound_strings[index], NULL);
+ return strecpy(buffr, _bound_strings[index], last);
}
- return FormatString(buffr, _userstring, NULL, 0);
+ return FormatString(buffr, _userstring, NULL, 0, last);
}
if (index >= _langtab_num[tab]) {
@@ -226,12 +226,12 @@ static char *GetStringWithArgs(char *buffr, uint string, const int32 *argv)
);
}
- return FormatString(buffr, GetStringPtr(GB(string, 0, 16)), argv, GB(string, 24, 8));
+ return FormatString(buffr, GetStringPtr(GB(string, 0, 16)), argv, GB(string, 24, 8), last);
}
-char *GetString(char *buffr, StringID string)
+char *GetString(char *buffr, StringID string, const char* last)
{
- return GetStringWithArgs(buffr, string, (int32*)_decode_parameters);
+ return GetStringWithArgs(buffr, string, (int32*)_decode_parameters, last);
}
@@ -270,7 +270,8 @@ static const uint32 _divisor_table[] = {
1
};
-static char *FormatCommaNumber(char *buff, int32 number)
+// TODO
+static char *FormatCommaNumber(char *buff, int32 number, const char* last)
{
uint32 quot,divisor;
int i;
@@ -303,7 +304,8 @@ static char *FormatCommaNumber(char *buff, int32 number)
return buff;
}
-static char *FormatNoCommaNumber(char *buff, int32 number)
+// TODO
+static char *FormatNoCommaNumber(char *buff, int32 number, const char* last)
{
uint32 quot,divisor;
int i;
@@ -311,7 +313,7 @@ static char *FormatNoCommaNumber(char *buff, int32 number)
uint32 num;
if (number < 0) {
- *buff++ = '-';
+ buff = strecpy(buff, "-", last);
number = -number;
}
@@ -336,50 +338,50 @@ static char *FormatNoCommaNumber(char *buff, int32 number)
}
-static char *FormatYmdString(char *buff, Date date)
+static char *FormatYmdString(char *buff, Date date, const char* last)
{
- const char *src;
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
- for (src = GetStringPtr(ymd.day + STR_01AC_1ST - 1); (*buff++ = *src++) != '\0';) {}
- buff[-1] = ' ';
-
- for (src = GetStringPtr(STR_0162_JAN + ymd.month); (*buff++ = *src++) != '\0';) {}
- buff[-1] = ' ';
+ buff = strecpy(buff, GetStringPtr(ymd.day + STR_01AC_1ST - 1), last);
+ buff = strecpy(buff, " ", last);
+ buff = strecpy(buff, GetStringPtr(STR_0162_JAN + ymd.month), last);
+ buff = strecpy(buff, " ", last);
- return FormatNoCommaNumber(buff, ymd.year);
+ return FormatNoCommaNumber(buff, ymd.year, last);
}
-static char *FormatMonthAndYear(char *buff, Date date)
+static char *FormatMonthAndYear(char *buff, Date date, const char* last)
{
- const char *src;
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
- for (src = GetStringPtr(STR_MONTH_JAN + ymd.month); (*buff++ = *src++) != '\0';) {}
- buff[-1] = ' ';
+ buff = strecpy(buff, GetStringPtr(STR_MONTH_JAN + ymd.month), last);
+ buff = strecpy(buff, " ", last);
- return FormatNoCommaNumber(buff, ymd.year);
+ return FormatNoCommaNumber(buff, ymd.year, last);
}
-static char *FormatTinyDate(char *buff, Date date)
+static char *FormatTinyDate(char *buff, Date date, const char* last)
{
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
- buff += sprintf(buff, " %02i-%02i-%04i", ymd.day, ymd.month + 1, ymd.year);
+ buff += snprintf(
+ buff, last - buff + 1,
+ " %02i-%02i-%04i", ymd.day, ymd.month + 1, ymd.year
+ );
return buff;
}
-static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, int64 number, bool compact)
+static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, int64 number, bool compact, const char* last)
{
- const char *s;
- char c;
- char buf[40], *p;
+ const char* multiplier = "";
+ char buf[40];
+ char* p;
int j;
// multiply by exchange rate
@@ -387,51 +389,45 @@ static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, int64 n
// convert from negative
if (number < 0) {
- *buff++ = '-';
+ buff = strecpy(buff, "-", last);
number = -number;
}
/* Add prefix part, folowing symbol_pos specification.
* Here, it can can be either 0 (prefix) or 2 (both prefix anf suffix).
* The only remaining value is 1 (suffix), so everything that is not 1 */
- if (spec->symbol_pos != 1){
- s = spec->prefix;
- while (s != spec->prefix + lengthof(spec->prefix) && (c = *(s++)) != '\0') *(buff)++ = c;
- }
+ if (spec->symbol_pos != 1) buff = strecpy(buff, spec->prefix, last);
// for huge numbers, compact the number into k or M
if (compact) {
- compact = 0;
if (number >= 1000000000) {
number = (number + 500000) / 1000000;
- compact = 'M';
+ multiplier = "M";
} else if (number >= 1000000) {
number = (number + 500) / 1000;
- compact = 'k';
+ multiplier = "k";
}
}
// convert to ascii number and add commas
- p = buf;
+ p = endof(buf);
+ *--p = '\0';
j = 4;
do {
if (--j == 0) {
- *p++ = spec->separator;
+ *--p = spec->separator;
j = 3;
}
- *p++ = '0' + number % 10;
- } while (number /= 10);
- do *buff++ = *--p; while (p != buf);
+ *--p = '0' + number % 10;
+ } while ((number /= 10) != 0);
+ buff = strecpy(buff, p, last);
- if (compact) *buff++ = compact;
+ buff = strecpy(buff, multiplier, last);
/* Add suffix part, folowing symbol_pos specification.
* Here, it can can be either 1 (suffix) or 2 (both prefix anf suffix).
* The only remaining value is 1 (prefix), so everything that is not 0 */
- if (spec->symbol_pos != 0) {
- s = spec->suffix;
- while (s != spec->suffix + lengthof(spec->suffix) && (c = *(s++)) != '\0') *(buff++) = c;
- }
+ if (spec->symbol_pos != 0) buff = strecpy(buff, spec->suffix, last);
return buff;
}
@@ -564,7 +560,7 @@ static const Units units[] = {
},
};
-static char *FormatString(char *buff, const char *str, const int32 *argv, uint casei)
+static char* FormatString(char* buff, const char* str, const int32* argv, uint casei, const char* last)
{
extern const char _openttd_revision[];
byte b;
@@ -574,30 +570,34 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
while ((b = *str++) != '\0') {
switch (b) {
case 0x1: // {SETX}
- *buff++ = b;
- *buff++ = *str++;
+ if (buff != last && buff + 1 != last) {
+ *buff++ = b;
+ *buff++ = *str++;
+ }
break;
case 0x2: // {SETXY}
- *buff++ = b;
- *buff++ = *str++;
- *buff++ = *str++;
+ if (buff != last && buff + 1 != last && buff + 2 != last) {
+ *buff++ = b;
+ *buff++ = *str++;
+ *buff++ = *str++;
+ }
break;
case 0x81: // {STRINL}
- buff = GetStringWithArgs(buff, ReadLE16Unaligned(str), argv);
+ buff = GetStringWithArgs(buff, ReadLE16Unaligned(str), argv, last);
str += 2;
break;
case 0x82: // {DATE_LONG}
- buff = FormatYmdString(buff, GetInt32(&argv));
+ buff = FormatYmdString(buff, GetInt32(&argv), last);
break;
case 0x83: // {DATE_SHORT}
- buff = FormatMonthAndYear(buff, GetInt32(&argv));
+ buff = FormatMonthAndYear(buff, GetInt32(&argv), last);
break;
case 0x84: {// {VELOCITY}
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].s_m >> units[_opt_ptr->units].s_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].velocity), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].velocity), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -605,10 +605,10 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
case 0x85:
switch (*str++) {
case 0: /* {CURRCOMPACT} */
- buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), true);
+ buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), true, last);
break;
case 2: /* {REV} */
- buff = strecpy(buff, _openttd_revision, NULL);
+ buff = strecpy(buff, _openttd_revision, last);
break;
case 3: { /* {SHORTCARGO} */
// Short description of cargotypes. Layout:
@@ -620,7 +620,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -629,61 +629,61 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24, last);
modifier = 0;
break;
}
default:
- buff = FormatCommaNumber(buff, GetInt32(&argv));
- buff = strecpy(buff, " ", NULL);
- buff = strecpy(buff, GetStringPtr(cargo_str), NULL);
+ buff = FormatCommaNumber(buff, GetInt32(&argv), last);
+ buff = strecpy(buff, " ", last);
+ buff = strecpy(buff, GetStringPtr(cargo_str), last);
break;
}
} break;
case 4: {/* {CURRCOMPACT64} */
// 64 bit compact currency-unit
- buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), true);
+ buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), true, last);
break;
}
case 5: { /* {STRING1} */
// String that consumes ONE argument
uint str = modifier + GetInt32(&argv);
- buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 1));
+ buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 1), last);
modifier = 0;
break;
}
case 6: { /* {STRING2} */
// String that consumes TWO arguments
uint str = modifier + GetInt32(&argv);
- buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 2));
+ buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 2), last);
modifier = 0;
break;
}
case 7: { /* {STRING3} */
// String that consumes THREE arguments
uint str = modifier + GetInt32(&argv);
- buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 3));
+ buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 3), last);
modifier = 0;
break;
}
case 8: { /* {STRING4} */
// String that consumes FOUR arguments
uint str = modifier + GetInt32(&argv);
- buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 4));
+ buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 4), last);
modifier = 0;
break;
}
case 9: { /* {STRING5} */
// String that consumes FIVE arguments
uint str = modifier + GetInt32(&argv);
- buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 5));
+ buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 5), last);
modifier = 0;
break;
}
case 10: { /* {STATIONFEATURES} */
- buff = StationGetSpecialString(buff, GetInt32(&argv));
+ buff = StationGetSpecialString(buff, GetInt32(&argv), last);
break;
}
@@ -698,7 +698,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
// The string STR_INDUSTRY_PATTERN controls the formatting
args[0] = i->town->index;
args[1] = i->type + STR_4802_COAL_MINE;
- buff = FormatString(buff, GetStringPtr(STR_INDUSTRY_FORMAT), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(STR_INDUSTRY_FORMAT), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -707,7 +707,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -723,7 +723,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
}
case 14: { // {DATE_TINY}
- buff = FormatTinyDate(buff, GetInt32(&argv));
+ buff = FormatTinyDate(buff, GetInt32(&argv), last);
break;
}
@@ -733,7 +733,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
// 16-bit - cargo count
CargoID cargo = GetInt32(&argv);
StringID cargo_str = (cargo == CT_INVALID) ? STR_8838_N_A : _cargoc.names_long[cargo];
- buff = GetStringWithArgs(buff, cargo_str, argv++);
+ buff = GetStringWithArgs(buff, cargo_str, argv++, last);
break;
}
@@ -741,7 +741,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].p_m >> units[_opt_ptr->units].p_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].power), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].power), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -750,7 +750,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_volume), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_volume), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -759,7 +759,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -768,7 +768,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_weight), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_weight), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -777,7 +777,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
int32 args[1];
assert(_opt_ptr->units < lengthof(units));
args[0] = GetInt32(&argv) * units[_opt_ptr->units].f_m >> units[_opt_ptr->units].f_s;
- buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].force), args, modifier >> 24);
+ buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].force), args, modifier >> 24, last);
modifier = 0;
break;
}
@@ -802,13 +802,13 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
// WARNING. It's prohibited for the included string to consume any arguments.
// For included strings that consume argument, you should use STRING1, STRING2 etc.
// To debug stuff you can set argv to NULL and it will tell you
- buff = GetStringWithArgs(buff, str, argv);
+ buff = GetStringWithArgs(buff, str, argv, last);
modifier = 0;
break;
}
case 0x8B: // {COMMA}
- buff = FormatCommaNumber(buff, GetInt32(&argv));
+ buff = FormatCommaNumber(buff, GetInt32(&argv), last);
break;
case 0x8C: // Move argument pointer
@@ -824,11 +824,11 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
}
case 0x8E: // {NUM}
- buff = FormatNoCommaNumber(buff, GetInt32(&argv));
+ buff = FormatNoCommaNumber(buff, GetInt32(&argv), last);
break;
case 0x8F: // {CURRENCY}
- buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), false);
+ buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), false, last);
break;
case 0x99: { // {WAYPOINT}
@@ -842,20 +842,20 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
temp[1] = wp->town_cn + 1;
str = wp->town_cn == 0 ? STR_WAYPOINTNAME_CITY : STR_WAYPOINTNAME_CITY_SERIAL;
}
- buff = GetStringWithArgs(buff, str, temp);
+ buff = GetStringWithArgs(buff, str, temp, last);
} break;
case 0x9A: { // {STATION}
const Station* st = GetStation(GetInt32(&argv));
- int32 temp[2];
if (!IsValidStation(st)) { // station doesn't exist anymore
- buff = GetStringWithArgs(buff, STR_UNKNOWN_DESTINATION, NULL);
- break;
+ buff = GetStringWithArgs(buff, STR_UNKNOWN_DESTINATION, NULL, last);
+ } else {
+ int32 temp[2];
+ temp[0] = st->town->townnametype;
+ temp[1] = st->town->townnameparts;
+ buff = GetStringWithArgs(buff, st->string_id, temp, last);
}
- temp[0] = st->town->townnametype;
- temp[1] = st->town->townnameparts;
- buff = GetStringWithArgs(buff, st->string_id, temp);
break;
}
case 0x9B: { // {TOWN}
@@ -865,12 +865,12 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
assert(IsValidTown(t));
temp[0] = t->townnameparts;
- buff = GetStringWithArgs(buff, t->townnametype, temp);
+ buff = GetStringWithArgs(buff, t->townnametype, temp, last);
break;
}
case 0x9C: { // {CURRENCY64}
- buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), false);
+ buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), false, last);
break;
}
@@ -899,7 +899,7 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
}
default:
- *buff++ = b;
+ if (buff != last) *buff++ = b;
}
}
*buff = '\0';
@@ -907,23 +907,22 @@ static char *FormatString(char *buff, const char *str, const int32 *argv, uint c
}
-static char *StationGetSpecialString(char *buff, int x)
+static char *StationGetSpecialString(char *buff, int x, const char* last)
{
- if (x & 0x01) *buff++ = '\x94';
- if (x & 0x02) *buff++ = '\x95';
- if (x & 0x04) *buff++ = '\x96';
- if (x & 0x08) *buff++ = '\x97';
- if (x & 0x10) *buff++ = '\x98';
- *buff = '\0';
+ if (x & 0x01) buff = strecpy(buff, "\x94", last);
+ if (x & 0x02) buff = strecpy(buff, "\x95", last);
+ if (x & 0x04) buff = strecpy(buff, "\x96", last);
+ if (x & 0x08) buff = strecpy(buff, "\x97", last);
+ if (x & 0x10) buff = strecpy(buff, "\x98", last);
return buff;
}
-static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed)
+static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last)
{
- _town_name_generators[ind](buff, seed);
+ char name[512];
- while (*buff != '\0') buff++;
- return buff;
+ _town_name_generators[ind](name, seed); // TODO
+ return strecpy(buff, name, last);
}
static const char* const _silly_company_names[] = {
@@ -994,7 +993,7 @@ static const char _initial_name_letters[] = {
'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W',
};
-static char *GenAndCoName(char *buff, uint32 arg)
+static char *GenAndCoName(char *buff, uint32 arg, const char* last)
{
const char* const* base;
uint num;
@@ -1007,29 +1006,26 @@ static char *GenAndCoName(char *buff, uint32 arg)
num = lengthof(_surname_list);
}
- buff = strecpy(buff, base[num * GB(arg, 16, 8) >> 8], NULL);
- buff = strecpy(buff, " & Co.", NULL);
+ buff = strecpy(buff, base[num * GB(arg, 16, 8) >> 8], last);
+ buff = strecpy(buff, " & Co.", last);
return buff;
}
-static char *GenPresidentName(char *buff, uint32 x)
+static char *GenPresidentName(char *buff, uint32 x, const char* last)
{
+ char initial[] = "?. ";
const char* const* base;
uint num;
uint i;
- buff[0] = _initial_name_letters[sizeof(_initial_name_letters) * GB(x, 0, 8) >> 8];
- buff[1] = '.';
- buff[2] = ' '; // Insert a space after initial and period "I. Firstname" instead of "I.Firstname"
- buff += 3;
+ initial[0] = _initial_name_letters[sizeof(_initial_name_letters) * GB(x, 0, 8) >> 8];
+ buff = strecpy(buff, initial, last);
i = (sizeof(_initial_name_letters) + 35) * GB(x, 8, 8) >> 8;
if (i < sizeof(_initial_name_letters)) {
- buff[0] = _initial_name_letters[i];
- buff[1] = '.';
- buff[2] = ' '; // Insert a space after initial and period "I. J. Firstname" instead of "I.J.Firstname"
- buff += 3;
+ initial[0] = _initial_name_letters[i];
+ buff = strecpy(buff, initial, last);
}
if (_opt_ptr->landscape == LT_CANDY) {
@@ -1040,50 +1036,53 @@ static char *GenPresidentName(char *buff, uint32 x)
num = lengthof(_surname_list);
}
- buff = strecpy(buff, base[num * GB(x, 16, 8) >> 8], NULL);
+ buff = strecpy(buff, base[num * GB(x, 16, 8) >> 8], last);
return buff;
}
-static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv)
+static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv, const char* last)
{
switch (ind) {
case 1: // not used
- return strecpy(buff, _silly_company_names[GetInt32(&argv) & 0xFFFF], NULL);
+ return strecpy(buff, _silly_company_names[GetInt32(&argv) & 0xFFFF], last);
case 2: // used for Foobar & Co company names
- return GenAndCoName(buff, GetInt32(&argv));
+ return GenAndCoName(buff, GetInt32(&argv), last);
case 3: // President name
- return GenPresidentName(buff, GetInt32(&argv));
+ return GenPresidentName(buff, GetInt32(&argv), last);
case 4: // song names
- return strecpy(buff, origin_songs_specs[GetInt32(&argv) - 1].song_name, NULL);
+ return strecpy(buff, origin_songs_specs[GetInt32(&argv) - 1].song_name, last);
}
// town name?
if (IS_INT_INSIDE(ind - 6, 0, SPECSTR_TOWNNAME_LAST-SPECSTR_TOWNNAME_START + 1)) {
- buff = GetSpecialTownNameString(buff, ind - 6, GetInt32(&argv));
- return strecpy(buff, " Transport", NULL);
+ buff = GetSpecialTownNameString(buff, ind - 6, GetInt32(&argv), last);
+ return strecpy(buff, " Transport", last);
}
// language name?
if (IS_INT_INSIDE(ind, (SPECSTR_LANGUAGE_START - 0x70E4), (SPECSTR_LANGUAGE_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_LANGUAGE_START - 0x70E4);
return strecpy(buff,
- i == _dynlang.curr ? _langpack->own_name : _dynlang.ent[i].name, NULL);
+ i == _dynlang.curr ? _langpack->own_name : _dynlang.ent[i].name, last);
}
// resolution size?
if (IS_INT_INSIDE(ind, (SPECSTR_RESOLUTION_START - 0x70E4), (SPECSTR_RESOLUTION_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_RESOLUTION_START - 0x70E4);
- return buff + sprintf(buff, "%dx%d", _resolutions[i][0], _resolutions[i][1]);
+ buff += snprintf(
+ buff, last - buff + 1, "%dx%d", _resolutions[i][0], _resolutions[i][1]
+ );
+ return buff;
}
// screenshot format name?
if (IS_INT_INSIDE(ind, (SPECSTR_SCREENSHOT_START - 0x70E4), (SPECSTR_SCREENSHOT_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_SCREENSHOT_START - 0x70E4);
- return strecpy(buff, GetScreenshotFormatDesc(i), NULL);
+ return strecpy(buff, GetScreenshotFormatDesc(i), last);
}
assert(0);
diff --git a/strings.h b/strings.h
index 8194fc958..0aa105545 100644
--- a/strings.h
+++ b/strings.h
@@ -11,7 +11,7 @@ static inline char* InlineString(char* buf, uint16 string)
return buf;
}
-char *GetString(char *buffr, uint16 string);
+char *GetString(char *buffr, uint16 string, const char* last);
extern char _userstring[128];
diff --git a/texteff.c b/texteff.c
index 982b964a9..cd1d0a9d3 100644
--- a/texteff.c
+++ b/texteff.c
@@ -246,7 +246,7 @@ void AddTextEffect(StringID msg, int x, int y, uint16 duration)
te->params_1 = GetDParam(0);
te->params_2 = GetDParam(4);
- GetString(buffer, msg);
+ GetString(buffer, msg, lastof(buffer));
w = GetStringBoundingBox(buffer).width;
te->x = x - (w >> 1);
diff --git a/town_cmd.c b/town_cmd.c
index 981cdbfde..5ca064f9c 100644
--- a/town_cmd.c
+++ b/town_cmd.c
@@ -886,7 +886,7 @@ restart:
r = Random();
SetDParam(0, r);
- GetString(buf1, townnametype);
+ GetString(buf1, townnametype, lastof(buf1));
// Check size and width
if (strlen(buf1) >= 31 || GetStringBoundingBox(buf1).width > 130) continue;
@@ -895,7 +895,7 @@ restart:
// We can't just compare the numbers since
// several numbers may map to a single name.
SetDParam(0, t2->index);
- GetString(buf2, STR_TOWN);
+ GetString(buf2, STR_TOWN, lastof(buf2));
if (strcmp(buf1, buf2) == 0) {
if (tries-- < 0) return false;
goto restart;
diff --git a/town_gui.c b/town_gui.c
index e89b7da5f..52020ca10 100644
--- a/town_gui.c
+++ b/town_gui.c
@@ -378,7 +378,7 @@ static int CDECL TownNameSorter(const void *a, const void *b)
int r;
SetDParam(0, ta->index);
- GetString(buf1, STR_TOWN);
+ GetString(buf1, STR_TOWN, lastof(buf1));
/* If 'b' is the same town as in the last round, use the cached value
* We do this to speed stuff up ('b' is called with the same value a lot of
@@ -386,7 +386,7 @@ static int CDECL TownNameSorter(const void *a, const void *b)
if (tb != _last_town) {
_last_town = tb;
SetDParam(0, tb->index);
- GetString(_bufcache, STR_TOWN);
+ GetString(_bufcache, STR_TOWN, lastof(_bufcache));
}
r = strcmp(buf1, _bufcache);
diff --git a/train_gui.c b/train_gui.c
index fc02c6792..1c52d719b 100644
--- a/train_gui.c
+++ b/train_gui.c
@@ -135,13 +135,13 @@ static int CDECL TrainEngineNameSorter(const void *a, const void *b)
char buf1[64];
int r;
- GetString(buf1, GetCustomEngineName(va));
+ GetString(buf1, GetCustomEngineName(va), lastof(buf1));
if (vb != _last_engine) {
_last_engine = vb;
_bufcache[0] = '\0';
- GetString(_bufcache, GetCustomEngineName(vb));
+ GetString(_bufcache, GetCustomEngineName(vb), lastof(_bufcache));
}
r = strcasecmp(buf1, _bufcache); // sort by name
diff --git a/vehicle.c b/vehicle.c
index bccc9a775..c422682dc 100644
--- a/vehicle.c
+++ b/vehicle.c
@@ -2076,7 +2076,7 @@ static int32 ReplaceVehicle(Vehicle **w, byte flags, int32 total_cost)
if (!IsCustomName(old_v->string_id)) {
vehicle_name[0] = '\0';
} else {
- GetName(old_v->string_id & 0x7FF, vehicle_name);
+ GetName(vehicle_name, old_v->string_id & 0x7FF, lastof(vehicle_name));
}
} else { // flags & DC_EXEC not set
/* Ensure that the player will not end up having negative money while autoreplacing
diff --git a/vehicle_gui.c b/vehicle_gui.c
index 1787bda48..9d8faa19a 100644
--- a/vehicle_gui.c
+++ b/vehicle_gui.c
@@ -516,7 +516,7 @@ static int CDECL VehicleNameSorter(const void *a, const void *b)
if (va != last_vehicle[0]) {
last_vehicle[0] = va;
if (IsCustomName(va->string_id)) {
- GetString(last_name[0], va->string_id);
+ GetString(last_name[0], va->string_id, lastof(last_name[0]));
} else {
last_name[0][0] = '\0';
}
@@ -525,7 +525,7 @@ static int CDECL VehicleNameSorter(const void *a, const void *b)
if (vb != last_vehicle[1]) {
last_vehicle[1] = vb;
if (IsCustomName(vb->string_id)) {
- GetString(last_name[1], vb->string_id);
+ GetString(last_name[1], vb->string_id, lastof(last_name[1]));
} else {
last_name[1][0] = '\0';
}
diff --git a/viewport.c b/viewport.c
index 337f0b134..5738e0fef 100644
--- a/viewport.c
+++ b/viewport.c
@@ -1017,7 +1017,7 @@ void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str)
sign->top = top;
- GetString(buffer, str);
+ GetString(buffer, str, lastof(buffer));
w = GetStringBoundingBox(buffer).width + 3;
sign->width_1 = w;
sign->left = left - w / 2;