1 files changed, 40 insertions, 0 deletions
diff --git a/libcoopgamma_filter_table_unmarshal.c b/libcoopgamma_filter_table_unmarshal.c
new file mode 100644
index 0000000..1059d85
--- /dev/null
+++ b/libcoopgamma_filter_table_unmarshal.c
@@ -0,0 +1,40 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+/**
+ * Unmarshal a `libcoopgamma_filter_table_t` from a buffer
+ * 
+ * @param   this  The output parameter for unmarshalled record
+ * @param   vbuf  The buffer with the marshalled record
+ * @param   np    Output parameter for the number of unmarshalled bytes, undefined on failure
+ * @return        `LIBCOOPGAMMA_SUCCESS` (0), `LIBCOOPGAMMA_INCOMPATIBLE_DOWNGRADE`,
+ *                `LIBCOOPGAMMA_INCOMPATIBLE_UPGRADE`, or `LIBCOOPGAMMA_ERRNO_SET`
+ */
+int
+libcoopgamma_filter_table_unmarshal(libcoopgamma_filter_table_t *restrict this, const void *restrict vbuf, size_t *restrict np)
+{
+	size_t i, n, fn;
+	int r;
+	UNMARSHAL_PROLOGUE;
+	this->filter_count = 0;
+	this->filters = NULL;
+	unmarshal_version(LIBCOOPGAMMA_FILTER_TABLE_VERSION);
+	unmarshal_version(LIBCOOPGAMMA_DEPTH_VERSION);
+	unmarshal_prim(this->depth, libcoopgamma_depth_t);
+	unmarshal_prim(this->red_size, size_t);
+	unmarshal_prim(this->green_size, size_t);
+	unmarshal_prim(this->blue_size, size_t);
+	unmarshal_prim(fn, size_t);
+	this->filters = malloc(fn * sizeof(*this->filters));
+	if (!this->filters)
+		return LIBCOOPGAMMA_ERRNO_SET;
+	for (i = 0; i < fn; i++) {
+		r = libcoopgamma_queried_filter_unmarshal(&this->filters[i], NNSUBBUF, &n, this->depth);
+		if (r != LIBCOOPGAMMA_SUCCESS)
+			return r;
+		off += n;
+		this->filter_count += 1;
+	}
+	UNMARSHAL_EPILOGUE;
+}