1 files changed, 64 insertions, 45 deletions
diff --git a/pixman/test/utils.h b/pixman/test/utils.h
index fb1ccec48..39b49b2c1 100644
--- a/pixman/test/utils.h
+++ b/pixman/test/utils.h
@@ -1,45 +1,64 @@
-#include <stdlib.h>
-#include <config.h>
-#include "pixman-private.h" /* For 'inline' definition */
-
-/* A primitive pseudorandom number generator,
- * taken from POSIX.1-2001 example
- */
-
-extern uint32_t lcg_seed;
-
-static inline uint32_t
-lcg_rand (void)
-{
-    lcg_seed = lcg_seed * 1103515245 + 12345;
-    return ((uint32_t)(lcg_seed / 65536) % 32768);
-}
-
-static inline void
-lcg_srand (uint32_t seed)
-{
-    lcg_seed = seed;
-}
-
-static inline uint32_t
-lcg_rand_n (int max)
-{
-    return lcg_rand () % max;
-}
-
-
-/* CRC 32 computation
- */
-uint32_t
-compute_crc32 (uint32_t    in_crc32,
-	       const void *buf,
-	       size_t      buf_len);
-
-/* perform endian conversion of pixel data
- */
-void
-image_endian_swap (pixman_image_t *img, int bpp);
-
-/* Generate n_bytes random bytes in malloced memory */
-uint8_t *
-make_random_bytes (int n_bytes);
+#include <stdlib.h>
+#include <config.h>
+#include "pixman-private.h" /* For 'inline' definition */
+
+/* A primitive pseudorandom number generator,
+ * taken from POSIX.1-2001 example
+ */
+
+extern uint32_t lcg_seed;
+#ifdef USE_OPENMP
+#pragma omp threadprivate(lcg_seed)
+#endif
+
+static inline uint32_t
+lcg_rand (void)
+{
+    lcg_seed = lcg_seed * 1103515245 + 12345;
+    return ((uint32_t)(lcg_seed / 65536) % 32768);
+}
+
+static inline void
+lcg_srand (uint32_t seed)
+{
+    lcg_seed = seed;
+}
+
+static inline uint32_t
+lcg_rand_n (int max)
+{
+    return lcg_rand () % max;
+}
+
+static inline uint32_t
+lcg_rand_N (int max)
+{
+    uint32_t lo = lcg_rand ();
+    uint32_t hi = lcg_rand () << 15;
+    return (lo | hi) % max;
+}
+
+/* CRC 32 computation
+ */
+uint32_t
+compute_crc32 (uint32_t    in_crc32,
+	       const void *buf,
+	       size_t      buf_len);
+
+/* perform endian conversion of pixel data
+ */
+void
+image_endian_swap (pixman_image_t *img, int bpp);
+
+/* Generate n_bytes random bytes in malloced memory */
+uint8_t *
+make_random_bytes (int n_bytes);
+
+/* main body of the fuzzer test */
+int
+fuzzer_test_main (const char *test_name,
+		  int         default_number_of_iterations,
+		  uint32_t    expected_checksum,
+		  uint32_t    (*test_function)(int testnum, int verbose),
+		  int         argc,
+		  const char *argv[]);