general/bool: Use bool for file support

src/app-layer-parser.c

@@ -1184,16 +1184,14 @@ uint64_t AppLayerParserGetTransactionActive(const Flow *f,
     SCReturnCT(active_id, "uint64_t");
 }
 
-int AppLayerParserSupportsFiles(uint8_t ipproto, AppProto alproto)
+bool AppLayerParserSupportsFiles(uint8_t ipproto, AppProto alproto)
 {
     // Custom case for only signature-only protocol so far
     if (alproto == ALPROTO_HTTP) {
         return AppLayerParserSupportsFiles(ipproto, ALPROTO_HTTP1) ||
                AppLayerParserSupportsFiles(ipproto, ALPROTO_HTTP2);
     }
-    if (alp_ctx.ctxs[FlowGetProtoMapping(ipproto)][alproto].GetTxFiles != NULL)
-        return TRUE;
-    return FALSE;
+    return alp_ctx.ctxs[FlowGetProtoMapping(ipproto)][alproto].GetTxFiles != NULL;
 }
 
 AppLayerTxData *AppLayerParserGetTxData(uint8_t ipproto, AppProto alproto, void *tx)

src/app-layer-parser.h

@@ -253,7 +253,7 @@ uint64_t AppLayerParserGetTransactionActive(const Flow *f, AppLayerParserState *
 
 uint8_t AppLayerParserGetFirstDataDir(uint8_t ipproto, AppProto alproto);
 
-int AppLayerParserSupportsFiles(uint8_t ipproto, AppProto alproto);
+bool AppLayerParserSupportsFiles(uint8_t ipproto, AppProto alproto);
 
 AppLayerTxData *AppLayerParserGetTxData(uint8_t ipproto, AppProto alproto, void *tx);
 uint64_t AppLayerParserGetTxDetectFlags(AppLayerTxData *txd, const uint8_t dir);