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No-Intro: Prevent database from being downgraded

This commit is contained in:
Vicki Pfau 2024-08-12 16:08:36 -07:00
parent 00426ad6d1
commit ffe539343e
1 changed files with 24 additions and 11 deletions
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35
src/feature/sqlite3/no-intro.c
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@ -70,6 +70,7 @@ bool NoIntroDBLoadClrMamePro(struct NoIntroDB* db, struct VFile* vf) {
sqlite3_stmt* gamedbTable = NULL;
sqlite3_stmt* gamedbDrop = NULL;
sqlite3_stmt* gamedbSelect = NULL;
sqlite3_stmt* gameTable = NULL;
sqlite3_stmt* romTable = NULL;
char* fieldName = NULL;
@ -89,6 +90,11 @@ bool NoIntroDBLoadClrMamePro(struct NoIntroDB* db, struct VFile* vf) {
return false;
}
static const char selectGamedb[] = "SELECT * FROM gamedb WHERE name = ? AND version >= ?;";
if (sqlite3_prepare_v2(db->db, selectGamedb, -1, &gamedbSelect, NULL)) {
return false;
}
static const char insertGame[] = "INSERT INTO games (dbid, name) VALUES (?, ?);";
if (sqlite3_prepare_v2(db->db, insertGame, -1, &gameTable, NULL)) {
return false;
@ -159,18 +165,24 @@ bool NoIntroDBLoadClrMamePro(struct NoIntroDB* db, struct VFile* vf) {
break;
case ')':
if (currentDb < 0 && dbType && dbVersion) {
sqlite3_clear_bindings(gamedbDrop);
sqlite3_reset(gamedbDrop);
sqlite3_bind_text(gamedbDrop, 1, dbType, -1, SQLITE_TRANSIENT);
sqlite3_bind_text(gamedbDrop, 2, dbVersion, -1, SQLITE_TRANSIENT);
sqlite3_step(gamedbDrop);
sqlite3_clear_bindings(gamedbSelect);
sqlite3_reset(gamedbSelect);
sqlite3_bind_text(gamedbSelect, 1, dbType, -1, SQLITE_TRANSIENT);
sqlite3_bind_text(gamedbSelect, 2, dbVersion, -1, SQLITE_TRANSIENT);
if (sqlite3_step(gamedbSelect) != SQLITE_ROW) {
sqlite3_clear_bindings(gamedbDrop);
sqlite3_reset(gamedbDrop);
sqlite3_bind_text(gamedbDrop, 1, dbType, -1, SQLITE_TRANSIENT);
sqlite3_bind_text(gamedbDrop, 2, dbVersion, -1, SQLITE_TRANSIENT);
sqlite3_step(gamedbDrop);
sqlite3_clear_bindings(gamedbTable);
sqlite3_reset(gamedbTable);
sqlite3_bind_text(gamedbTable, 1, dbType, -1, SQLITE_TRANSIENT);
sqlite3_bind_text(gamedbTable, 2, dbVersion, -1, SQLITE_TRANSIENT);
if (sqlite3_step(gamedbTable) == SQLITE_DONE) {
currentDb = sqlite3_last_insert_rowid(db->db);
sqlite3_clear_bindings(gamedbTable);
sqlite3_reset(gamedbTable);
sqlite3_bind_text(gamedbTable, 1, dbType, -1, SQLITE_TRANSIENT);
sqlite3_bind_text(gamedbTable, 2, dbVersion, -1, SQLITE_TRANSIENT);
if (sqlite3_step(gamedbTable) == SQLITE_DONE) {
currentDb = sqlite3_last_insert_rowid(db->db);
}
}
free((void*) dbType);
free((void*) dbVersion);
@ -270,6 +282,7 @@ bool NoIntroDBLoadClrMamePro(struct NoIntroDB* db, struct VFile* vf) {
sqlite3_finalize(gamedbTable);
sqlite3_finalize(gamedbDrop);
sqlite3_finalize(gamedbSelect);
sqlite3_finalize(gameTable);
sqlite3_finalize(romTable);