Import xz-embedded from git.vendor/xz-embedded/48f4588342f4a4e0182a6740e25675fd8e6c6295

This is from commit hash '48f4588342f4a4e0182a6740e25675fd8e6c6295'.

1 files changed, 48 insertions, 0 deletions

diff --git a/userspace/buftest.c b/userspace/buftest.c
new file mode 100644
index 000000000000..54b780ac243b
--- /dev/null
+++ b/userspace/buftest.c
@@ -0,0 +1,48 @@
+/*
+ * Test application to test buffer-to-buffer decoding
+ *
+ * Author: Lasse Collin <lasse.collin@tukaani.org>
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include "xz.h"
+
+#define BUFFER_SIZE (1024 * 1024)
+
+static uint8_t in[BUFFER_SIZE];
+static uint8_t out[BUFFER_SIZE];
+
+int main(void)
+{
+	struct xz_buf b;
+	struct xz_dec *s;
+	enum xz_ret ret;
+
+	xz_crc32_init();
+
+	s = xz_dec_init(XZ_SINGLE, 0);
+	if (s == NULL) {
+		fputs("Initialization failed", stderr);
+		return 1;
+	}
+
+	b.in = in;
+	b.in_pos = 0;
+	b.in_size = fread(in, 1, sizeof(in), stdin);
+	b.out = out;
+	b.out_pos = 0;
+	b.out_size = sizeof(out);
+
+	ret = xz_dec_run(s, &b);
+	xz_dec_end(s);
+
+	fwrite(out, 1, b.out_pos, stdout);
+	fprintf(stderr, "%d\n", ret);
+
+	return 0;
+}