[master] 62916e0ec Flexelinting

[Poul-Henning Kamp]

commit 62916e0eca246f3850c44e1bd50920c1f03d0f0e
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Wed Nov 30 20:59:03 2022 +0000

    Flexelinting

diff --git a/bin/varnishd/cache/cache.h b/bin/varnishd/cache/cache.h
index c59564737..0a3f9e092 100644
--- a/bin/varnishd/cache/cache.h
+++ b/bin/varnishd/cache/cache.h
@@ -880,7 +880,7 @@ unsigned RFC2616_Req_Gzip(const struct http *);
 int RFC2616_Do_Cond(const struct req *sp);
 void RFC2616_Weaken_Etag(struct http *hp);
 void RFC2616_Vary_AE(struct http *hp);
-const char * RFC2616_Strong_LM(struct http *hp, struct worker *wrk,
+const char * RFC2616_Strong_LM(const struct http *hp, struct worker *wrk,
     struct objcore *oc);
 
 /*
diff --git a/bin/varnishd/cache/cache_rfc2616.c b/bin/varnishd/cache/cache_rfc2616.c
index e45ad12fd..90d588e7b 100644
--- a/bin/varnishd/cache/cache_rfc2616.c
+++ b/bin/varnishd/cache/cache_rfc2616.c
@@ -360,7 +360,8 @@ RFC2616_Vary_AE(struct http *hp)
 /*--------------------------------------------------------------------*/
 
 const char *
-RFC2616_Strong_LM(struct http *hp, struct worker *wrk, struct objcore *oc)
+RFC2616_Strong_LM(const struct http *hp, struct worker *wrk,
+    struct objcore *oc)
 {
 	const char *p = NULL, *e = NULL;
 	vtim_real lm, d;
@@ -370,8 +371,8 @@ RFC2616_Strong_LM(struct http *hp, struct worker *wrk, struct objcore *oc)
 	CHECK_OBJ_ORNULL(hp, HTTP_MAGIC);
 
 	if (hp != NULL) {
-		http_GetHdr(hp, H_Last_Modified, &p);
-		http_GetHdr(hp, H_Date, &e);
+		(void)http_GetHdr(hp, H_Last_Modified, &p);
+		(void)http_GetHdr(hp, H_Date, &e);
 	} else if (wrk != NULL && oc != NULL) {
 		p = HTTP_GetHdrPack(wrk, oc, H_Last_Modified);
 		e = HTTP_GetHdrPack(wrk, oc, H_Date);