Initial commit: benchmark musl's qsort

1 files changed, 34 insertions, 0 deletions

diff --git a/generators.c b/generators.c
new file mode 100644
index 0000000..002b128
--- /dev/null
+++ b/generators.c
@@ -0,0 +1,34 @@
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "generators.h"
+
+static void generate_random(int *buffer, size_t size)
+{
+	srandom(1);
+	for (size_t i = 0; i < size; i++) buffer[i] = random();
+}
+
+static void generate_sorted(int *buffer, size_t size)
+{
+	for (size_t i = 0; i < size; i++) buffer[i] = i;
+}
+
+static void generate_reverse(int *buffer, size_t size)
+{
+	for (size_t i = 0; i < size; i++) buffer[i] = INT_MAX - i;
+}
+
+static void generate_constant(int *buffer, size_t size)
+{
+	for (size_t i = 0; i < size; i++) buffer[i] = 42;
+}
+
+const struct generator generators[] = {
+	{ .name = "random",   .func = generate_random   },
+	{ .name = "sorted",   .func = generate_sorted   },
+	{ .name = "reverse",  .func = generate_reverse  },
+	{ .name = "constant", .func = generate_constant },
+	{ 0 }
+};