X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=common%2Ftransformation_null.c;fp=common%2Ftransformation_null.c;h=6f257526f5c58bae66a2e6a001d6b73ede3905ef;hp=0000000000000000000000000000000000000000;hb=e3956dfb7715a21919aa66dd4209a2dc1c3c82da;hpb=acf85e7a305b04b699e17104be519912a7ae90f0

diff --git a/common/transformation_null.c b/common/transformation_null.c
new file mode 100644
index 0000000..6f25752
--- /dev/null
+++ b/common/transformation_null.c
@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include <config.h>
+
+#include "transformation.h"
+
+/*
+ * Initialize
+ */
+static int
+null_initialize(Transformation *xform, int enc)
+{
+	return 0;
+}
+
+/*
+ * Shut down.
+ */
+static int
+null_shutdown(Transformation *xform)
+{
+	return 0;
+}
+
+/*
+ * Handle fork.
+ */
+static int
+null_startNewTape(Transformation *xform, struct tapebuf *tpbin,
+	unsigned long *destlen)
+{
+	return 0;
+}
+
+/*
+ * Start slave process.
+ */
+static int
+null_startDiskIOProcess(Transformation *xform)
+{
+	return 0;
+}
+
+/*
+ * End slave process.
+ */
+static int
+null_endDiskIOProcess(Transformation *xform)
+{
+	return 0;
+}
+
+/*
+ * Compress a buffer.
+ */
+static int
+null_compress(Transformation *xform, struct tapebuf *tpbin, unsigned long *destlen,
+		const char *src, int srclen)
+{
+	memcpy(tpbin->buf, src, srclen);
+	*destlen = srclen;
+
+	return 1;
+}
+
+/*
+ * Decompress a buffer.
+ */
+static int
+null_decompress(Transformation *xform, struct tapebuf *tpbin, unsigned long *destlen,
+		const char *src, int srclen, char **reason)
+{
+	memcpy(tpbin->buf, src, srclen);
+	*destlen = srclen;
+
+	return 1;
+}
+
+/*
+ *
+ */
+Transformation transformation_null =
+{
+	0,
+	NULL,
+	"null",
+	0,
+	&null_initialize,
+	&null_shutdown,
+	&null_startNewTape,
+	&null_startDiskIOProcess,
+	&null_endDiskIOProcess,
+	&null_compress,
+	&null_decompress
+};