--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ueda/unet-bind/enterinst.c	Sun Sep 29 22:42:41 2019 +0000
@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include "struct.h"
+
+extern char *copystr();
+extern struct instance *enter_instance();
+
+process_hier_attr(oc, hier)
+	register struct outcomp *oc;
+	char *hier;
+{
+	register struct instance *inst;
+
+	if (!strncmp(hier, "flip:", 5)) {
+		if (oc->npins != 2 || oc->grid_pkg) {
+			fprintf(stderr,
+				"error: hier=flip:... makes no sense for %s\n",
+				oc->name);
+			exit(1);
+		}
+		oc->reverse_2pin = 1;
+		hier += 5;
+	}
+	oc->altname = hier;
+	inst = enter_instance(hier);
+	inst->outcomp = oc;
+}
+
+process_slotmap_attr(oc, slotmap_file)
+	struct outcomp *oc;
+	char *slotmap_file;
+{
+	FILE *stream;
+	char linebuf[256];
+	int lineno;
+	register char *cp;
+	char *instname, *slot;
+	register struct instance *inst;
+
+	stream = fopen(slotmap_file, "r");
+	if (!stream) {
+		perror(slotmap_file);
+		exit(1);
+	}
+	for (lineno = 1; fgets(linebuf, sizeof linebuf, stream); lineno++) {
+		cp = index(linebuf, '\n');
+		if (!cp) {
+			fprintf(stderr,
+			"error: %s line %d is too long or unterminated\n",
+				slotmap_file, lineno);
+			exit(1);
+		}
+		*cp = '\0';
+		for (cp = linebuf; isspace(*cp); cp++)
+			;
+		if (*cp == '\0' || *cp == '#')
+			continue;
+		instname = cp;
+		while (*cp && !isspace(*cp))
+			cp++;
+		if (*cp)
+			*cp++ = '\0';
+		while (isspace(*cp))
+			cp++;
+		if (*cp == '\0' || *cp == '#')
+			slot = 0;
+		else {
+			slot = cp;
+			while (*cp && !isspace(*cp))
+				cp++;
+			if (*cp)
+				*cp++ = '\0';
+		}
+		inst = enter_instance(instname);
+		inst->outcomp = oc;
+		if (slot)
+			slot = copystr(slot);
+		inst->slot = slot;
+	}
+	fclose(stream);
+}