From b577619395b34fb7ec4d14b5a406ac73f803820b Mon Sep 17 00:00:00 2001
From: "Darryl L. Miles" <darryl.miles@darrylmiles.org>
Date: Thu, 24 Jul 2025 14:36:22 +0100
Subject: [PATCH] ext2spice: parallelDevs constify API (const devMerge*)

---
 ext2spice/ext2spice.c | 4 ++--
 ext2spice/ext2spice.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/ext2spice/ext2spice.c b/ext2spice/ext2spice.c
index 867205fc..6c8348e1 100644
--- a/ext2spice/ext2spice.c
+++ b/ext2spice/ext2spice.c
@@ -4160,8 +4160,8 @@ mkDevMerge(
 
 int
 parallelDevs(
-    devMerge *f1,
-    devMerge *f2)
+    const devMerge *f1,
+    const devMerge *f2)
 {
     /* If the devices are not in the same class, then	*/
     /* they cannot be parallel.				*/
diff --git a/ext2spice/ext2spice.h b/ext2spice/ext2spice.h
index 01c8ff09..161bcce1 100644
--- a/ext2spice/ext2spice.h
+++ b/ext2spice/ext2spice.h
@@ -48,7 +48,7 @@ extern int EFHNSprintf(char *str, HierName *hierName);
 extern int printSubcktDict(void);
 extern int spcdevOutNode(HierName *prefix, HierName *suffix, char *name, FILE *outf);
 extern int spcnAP(DevTerm *dterm, EFNode *node, int resClass, float scale, char *asterm, char *psterm, float m, FILE *outf, int w);
-extern int parallelDevs(devMerge *f1, devMerge *f2);
+extern int parallelDevs(const devMerge *f1, const devMerge *f2);
 extern int nodeHspiceName(char *s);
 extern int devDistJunctHierVisit(HierContext *hc, Dev *dev, float scale);
 extern int spcnAPHier(DevTerm *dterm, HierName *hierName, int resClass, float scale, char *asterm, char *psterm, float m, FILE *outf);