PackBits_pack_buffer()

src/packbits.c

@@ -180,3 +180,16 @@ int PackBits_pack_flush(T_PackBits_data * data)
   }
   return data->output_count;
 }
+
+int PackBits_pack_buffer(FILE * f, const byte * buffer, size_t size)
+{
+  T_PackBits_data pb_data;
+
+  PackBits_pack_init(&pb_data, f);
+  while (size-- > 0)
+  {
+    if (PackBits_pack_add(&pb_data, *buffer++))
+      return -1;
+  }
+  return PackBits_pack_flush(&pb_data);
+}

src/packbits.h

@@ -70,4 +70,11 @@ int PackBits_pack_add(T_PackBits_data * data, byte b);
  */
 int PackBits_pack_flush(T_PackBits_data * data);
 
+/**
+ * Pack a full buffer to FILE
+ * @param f FILE output or NULL (for no output)
+ * @return -1 for error, or the size of the packed stream so far
+ */
+int PackBits_pack_buffer(FILE * f, const byte * buffer, size_t size);
+
 #endif