From ba7d2c8e48711cf089c35745234d71574bc7ae7f Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <rhaberkorn@fmsbw.de>
Date: Sun, 21 Jun 2026 22:04:49 +0200
Subject: fixed some warnings when building with `-Wall`

---
 regc_lex.c |  2 ++
 regcomp.c  |  4 +++-
 rege_dfa.c | 18 +++++++++---------
 3 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/regc_lex.c b/regc_lex.c
index ae71884..2033913 100644
--- a/regc_lex.c
+++ b/regc_lex.c
@@ -1147,6 +1147,7 @@ newline(void)
  ^ static const chr *ch(NOPARMS);
  ^ #endif
  */
+#if 0
 #ifdef REG_DEBUG
 static const chr *
 ch(void)
@@ -1156,6 +1157,7 @@ ch(void)
     return chstr;
 }
 #endif
+#endif
 
 /*
  - chrnamed - return the chr known by a given (chr string) name
diff --git a/regcomp.c b/regcomp.c
index c00e19e..25b1a85 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -83,9 +83,11 @@ static chr lexdigits(struct vars *, int, int, int);
 static int brenext(struct vars *, pchr);
 static void skip(struct vars *);
 static chr newline(NOPARMS);
+#if 0
 #ifdef REG_DEBUG
 static const chr *ch(NOPARMS);
 #endif
+#endif
 static pchr chrnamed(struct vars *, const chr *, const chr *, pchr);
 /* === regc_color.c === */
 static void initcm(struct vars *, struct colormap *);
@@ -2039,7 +2041,7 @@ dump(
     }
 
     fprintf(f, "\n\n\n========= DUMP ==========\n");
-    fprintf(f, "nsub %d, info 0%lo, csize %d, ntree %d\n",
+    fprintf(f, "nsub %zu, info 0%lo, csize %d, ntree %d\n",
 	    re->re_nsub, re->re_info, re->re_csize, g->ntree);
 
     dumpcolors(&g->cmap, f);
diff --git a/rege_dfa.c b/rege_dfa.c
index a2f3a28..32daab9 100644
--- a/rege_dfa.c
+++ b/rege_dfa.c
@@ -86,7 +86,7 @@ longest(
 
     if (v->eflags&REG_FTRACE) {
 	while (cp < realstop) {
-	    FDEBUG(("+++ at c%d +++\n", css - d->ssets));
+	    FDEBUG(("+++ at c%ld +++\n", css - d->ssets));
 	    pchr c = getchr(cp, stop);
 	    co = GETCOLOR(cm, c);
 	    FDEBUG(("char %c (%u), color %ld\n", (char)c, c, (long)co));
@@ -122,7 +122,7 @@ longest(
      * Shutdown.
      */
 
-    FDEBUG(("+++ shutdown at c%d +++\n", css - d->ssets));
+    FDEBUG(("+++ shutdown at c%ld +++\n", css - d->ssets));
     if (cp == v->stop && stop == v->stop) {
 	if (hitstopp != NULL) {
 	    *hitstopp = 1;
@@ -219,7 +219,7 @@ shortest(
 
     if (v->eflags&REG_FTRACE) {
 	while (cp < realmax) {
-	    FDEBUG(("--- at c%d ---\n", css - d->ssets));
+	    FDEBUG(("--- at c%ld ---\n", css - d->ssets));
 	    pchr c = getchr(cp, max);
 	    co = GETCOLOR(cm, c);
 	    FDEBUG(("char %c (%u), color %ld\n", (char)c, c, (long)co));
@@ -586,7 +586,7 @@ miss(
 
     for (p = d->ssets, i = d->nssused; i > 0; p++, i--) {
 	 if (HIT(h, d->work, p, d->wordsper)) {
-	     FDEBUG(("cached c%d\n", p - d->ssets));
+	     FDEBUG(("cached c%ld\n", p - d->ssets));
 	     break;			/* NOTE BREAK OUT */
 	 }
     }
@@ -608,7 +608,7 @@ miss(
     }
 
     if (!sawlacons) {		/* lookahead conds. always cache miss */
-	FDEBUG(("c%d[%d]->c%d\n", css - d->ssets, co, p - d->ssets));
+	FDEBUG(("c%ld[%d]->c%ld\n", css - d->ssets, co, p - d->ssets));
 	css->outs[co] = p;
 	css->inchain[co] = p->ins;
 	p->ins.ss = css;
@@ -679,7 +679,7 @@ getvacant(
     ap = ss->ins;
     while ((p = ap.ss) != NULL) {
 	co = ap.co;
-	FDEBUG(("zapping c%d's %ld outarc\n", p - d->ssets, (long)co));
+	FDEBUG(("zapping c%ld's %ld outarc\n", p - d->ssets, (long)co));
 	p->outs[co] = NULL;
 	ap = p->inchain[co];
 	p->inchain[co].ss = NULL; /* paranoia */
@@ -696,7 +696,7 @@ getvacant(
 	if (p == NULL) {
 	    continue;		/* NOTE CONTINUE */
 	}
-	FDEBUG(("del outarc %d from c%d's in chn\n", i, p - d->ssets));
+	FDEBUG(("del outarc %d from c%ld's in chn\n", i, p - d->ssets));
 	if (p->ins.ss == ss && p->ins.co == i) {
 	    p->ins = ss->inchain[i];
 	} else {
@@ -791,7 +791,7 @@ pickss(
 	if ((ss->lastseen == NULL || ss->lastseen < ancient)
 		&& !(ss->flags&LOCKED)) {
 	    d->search = ss + 1;
-	    FDEBUG(("replacing c%d\n", ss - d->ssets));
+	    FDEBUG(("replacing c%ld\n", ss - d->ssets));
 	    return ss;
 	}
     }
@@ -799,7 +799,7 @@ pickss(
 	if ((ss->lastseen == NULL || ss->lastseen < ancient)
 		&& !(ss->flags&LOCKED)) {
 	    d->search = ss + 1;
-	    FDEBUG(("replacing c%d\n", ss - d->ssets));
+	    FDEBUG(("replacing c%ld\n", ss - d->ssets));
 	    return ss;
 	}
     }
-- 
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