Index: trunk/src/rats_patch.c
===================================================================
--- trunk/src/rats_patch.c	(nonexistent)
+++ trunk/src/rats_patch.c	(revision 919)
@@ -0,0 +1,54 @@
+#include "rats_patch.h"
+
+void rats_patch_append(PCBTypePtr pcb, rats_patch_op_t op, const char *id, const char *a1, const char *a2)
+{
+	rats_patch_line_t *n;
+
+	n = malloc(sizeof(rats_patch_line_t));
+
+	n->op = op;
+	n->id = strdup(id);
+	n->arg1.net_name = strdup(a1);
+	if (a2 != NULL)
+		n->arg2.attrib_val = strdup(a2);
+	else
+		n->arg2.attrib_val = NULL;
+
+	if (pcb->NetlistPatches != NULL) {
+		pcb->NetlistPatchLast->next = n;
+		pcb->NetlistPatchLast = n;
+	}
+	else
+		pcb->NetlistPatchLast = pcb->NetlistPatches = n;
+	n->next = NULL;
+}
+
+static void netlist_copy(LibraryTypePtr dst, LibraryTypePtr src)
+{
+	int n, p;
+	dst->MenuN = src->MenuN;
+	dst->MenuMax = dst->Menu = calloc(sizeof(LibraryMenuType), dst->MenuN);
+	for (n = 0; n < src->MenuN; n++) {
+		LibraryMenuTypePtr smenu = &src->Menu[n];
+		LibraryMenuTypePtr dmenu = &dst->Menu[n];
+/*		fprintf(stderr, "Net %d name='%s': ", n, smenu->Name+2);*/
+		dmenu->Name = strdup(smenu->Name);
+		dmenu->EntryMax = dmenu->EntryN = smenu->EntryN;
+		dmenu->Entry = calloc(sizeof(LibraryEntryType), dmenu->EntryN);
+		dmenu->flag = smenu->flag;
+		dmenu->internal = smenu->internal;
+		for (p = 0; p < smenu->EntryN; p++) {
+			LibraryEntryTypePtr sentry = &smenu->Entry[p];
+			LibraryEntryTypePtr dentry = &dmenu->Entry[p];
+/*			fprintf (stderr, " '%s'", sentry->ListEntry);*/
+			dentry->ListEntry = strdup(sentry->ListEntry);
+		}
+/*		fprintf(stderr, "\n");*/
+	}
+}
+
+void rats_patch_apply(PCBTypePtr pcb)
+{
+	/* netlist_free(&(PCB->NetlistLib[NETLIST_EDITED])) */
+	netlist_copy(&(pcb->NetlistLib[NETLIST_EDITED]), &(pcb->NetlistLib[NETLIST_INPUT]));
+}