working on internal moving and copyign utils

include/DataUtil.h

@@ -0,0 +1,15 @@
+#ifndef DATA_UTIL_H
+#define DATA_UTIL_H
+
+#include <string.h>
+#include "WindType.h"
+
+// This header handles utils to copy, move, and transport data from one unsigned char*
+// to another
+
+// Copies data from src to dest, until src End is reached.
+int DataUtil_copy(unsigned char* dest,
+                  const unsigned char* src,
+                  const unsigned char* srcEnd);
+
+#endif

src/flow/WindExec.c

@@ -88,5 +88,6 @@ int WindExec_save(void)
                 WindState_write_err("File path '%s' cannot be written to.", savePath);
                 return 0;
         }
+        printf("saved @ %s\n", savePath);
         return 1;
 }

src/util/DataUtil.c

@@ -0,0 +1,42 @@
+#include "DataUtil.h"
+
+int DataUtil_copy(unsigned char* dest, const unsigned char* src, const unsigned char* srcEnd)
+{
+        while(src != srcEnd)
+        {
+                switch(*src)
+                {
+                case WindType_Not:
+                case WindType_Sep:
+                case WindType_Assign:
+                case WindType_None:
+                case WindType_Del:
+                case WindType_Lt:
+                case WindType_Gt:
+                case WindType_Plus:
+                case WindType_Minus:
+                case WindType_Multiply:
+                case WindType_Divide:
+                        *dest++ = *src++;
+                        break;
+                case WindType_Bool:
+                        *dest++ = *src++;
+                        *dest++ = *src++;
+                        break;
+                case WindType_Number:
+                        WindComp_BUF[0] = *item++;
+                        for(size_t ds = 1; ds < sizeof(double) + 1; ds++)
+                                WindComp_BUF[ds] = *item++;
+                        WindComp_ITEM_LEN = sizeof(unsigned char) + sizeof(double);
+                        return WindComp_ITEM_LEN;
+                case WindType_String:
+                        WindComp_BUF[0] = *item++;
+                        WindComp_ITEM_LEN = *(unsigned*)(item) + sizeof(unsigned) + sizeof(unsigned char);
+                        memcpy(WindComp_BODY, (unsigned char*)item, WindComp_ITEM_LEN);
+                        return WindComp_ITEM_LEN;
+                default:
+                        return 0;
+                }
+        }
+        return 1;
+}