cmake: run tests in parallel; misc/podman: add 30-rebuild-stubs.sh

src/packer.cpp

@@ -1031,14 +1031,16 @@ void Packer::compressWithFilters(byte *i_ptr,
     assert(orig_ft.id == 0);
 
     // prepare methods and filters
-    int methods[256];
+    constexpr int MAX_METHODS = 8;
+    constexpr int MAX_FILTERS = 16;
+    int methods[MAX_METHODS];
     int nmethods = prepareMethods(methods, ph.method, getCompressionMethods(M_ALL, ph.level));
     assert(nmethods > 0);
-    assert(nmethods < 256);
-    int filters[256];
+    assert(nmethods < MAX_METHODS);
+    int filters[MAX_FILTERS];
     int nfilters = prepareFilters(filters, filter_strategy, getFilters());
     assert(nfilters > 0);
-    assert(nfilters < 256);
+    assert(nfilters < MAX_FILTERS);
 #if 0
     printf("compressWithFilters: m(%d):", nmethods);
     for (int i = 0; i < nmethods; i++)

src/stub/Makefile

@@ -3,7 +3,7 @@
 # Copyright (C) Markus Franz Xaver Johannes Oberhumer
 #
 
-# NOTE: see misc/podman/rebuild-stubs/20-image-run-shell.sh
+# NOTE: see misc/podman/rebuild-stubs/30-rebuild-stubs.sh
 #   how to rebuild the UPX stubs from source code
 
 MAKEFLAGS += -rR

src/util/util.cpp

@@ -264,6 +264,7 @@ int upx_rand(void) noexcept { return ::rand(); }
 
 void upx_rand_init(void) noexcept {
     unsigned seed = 0;
+    seed ^= UPX_VERSION_HEX;
 #if (!HAVE_GETTIMEOFDAY || (ACC_OS_DOS32 && defined(__DJGPP__))) && !defined(__wasi__)
     seed ^= (unsigned) time(nullptr);
     seed ^= ((unsigned) clock()) << 12;