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(svn r26239) -Fix: Check that there is space left in the string parameter array, before pushing NewGRF parameters to it.

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This commit is contained in:
frosch 2014-01-12 18:00:02 +00:00
parent 5ab39cc651
commit 477c15383d
3 changed files with 36 additions and 3 deletions
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35
src/newgrf_text.cpp
View File

@ -1022,11 +1022,44 @@ void RewindTextRefStack()
* @param buff the buffer we're writing to
* @param str the string that we need to write
* @param argv the OpenTTD stack of values
* @param argv_size space on the stack \a argv
* @param modify_argv When true, modify the OpenTTD stack.
* @return the string control code to "execute" now
*/
uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const char **str, int64 *argv, bool modify_argv)
uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const char **str, int64 *argv, uint argv_size, bool modify_argv)
{
switch (scc) {
default: break;
case SCC_NEWGRF_PRINT_DWORD_SIGNED:
case SCC_NEWGRF_PRINT_WORD_SIGNED:
case SCC_NEWGRF_PRINT_BYTE_SIGNED:
case SCC_NEWGRF_PRINT_WORD_UNSIGNED:
case SCC_NEWGRF_PRINT_BYTE_HEX:
case SCC_NEWGRF_PRINT_WORD_HEX:
case SCC_NEWGRF_PRINT_DWORD_HEX:
case SCC_NEWGRF_PRINT_QWORD_HEX:
case SCC_NEWGRF_PRINT_DWORD_CURRENCY:
case SCC_NEWGRF_PRINT_QWORD_CURRENCY:
case SCC_NEWGRF_PRINT_WORD_STRING_ID:
case SCC_NEWGRF_PRINT_WORD_DATE_LONG:
case SCC_NEWGRF_PRINT_DWORD_DATE_LONG:
case SCC_NEWGRF_PRINT_WORD_DATE_SHORT:
case SCC_NEWGRF_PRINT_DWORD_DATE_SHORT:
case SCC_NEWGRF_PRINT_WORD_SPEED:
case SCC_NEWGRF_PRINT_WORD_VOLUME_LONG:
case SCC_NEWGRF_PRINT_WORD_VOLUME_SHORT:
case SCC_NEWGRF_PRINT_WORD_WEIGHT_LONG:
case SCC_NEWGRF_PRINT_WORD_WEIGHT_SHORT:
case SCC_NEWGRF_PRINT_WORD_POWER:
case SCC_NEWGRF_PRINT_WORD_STATION_NAME:
if (argv_size < 1) {
DEBUG(misc, 0, "Too many NewGRF string parameters.");
return 0;
}
break;
}
if (_newgrf_textrefstack.used && modify_argv) {
switch (scc) {
default: NOT_REACHED();

2
src/newgrf_text.h
View File

@ -41,7 +41,7 @@ void RewindTextRefStack();
bool UsingNewGRFTextStack();
struct TextRefStack *CreateTextRefStackBackup();
void RestoreTextRefStackBackup(struct TextRefStack *backup);
uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const char **str, int64 *argv, bool modify_argv);
uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const char **str, int64 *argv, uint argv_size, bool modify_argv);
StringID TTDPStringIDToOTTDStringIDMapping(StringID string);

2
src/strings.cpp
View File

@ -809,7 +809,7 @@ static char *FormatString(char *buff, const char *str_arg, StringParameters *arg
if (SCC_NEWGRF_FIRST <= b && b <= SCC_NEWGRF_LAST) {
/* We need to pass some stuff as it might be modified; oh boy. */
//todo: should argve be passed here too?
b = RemapNewGRFStringControlCode(b, buf_start, &buff, &str, (int64 *)args->GetDataPointer(), dry_run);
b = RemapNewGRFStringControlCode(b, buf_start, &buff, &str, (int64 *)args->GetDataPointer(), args->GetDataLeft(), dry_run);
if (b == 0) continue;
}