From 0a1d9e4551a9442f0a7d86d831d6b7058186027f Mon Sep 17 00:00:00 2001
From: Tim Duesterhus <tim@bastelstu.be>
Date: Tue, 28 Apr 2026 21:59:12 +0200
Subject: [PATCH] CLEANUP: Reapply ist.cocci (4)

This reapplies ist.cocci across the whole src/ tree.
---
 src/acme.c   | 2 +-
 src/haterm.c | 2 +-
 src/htx.c    | 6 ++----
 src/tools.c  | 2 +-
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/acme.c b/src/acme.c
index 2c662b588..bae7230bb 100644
--- a/src/acme.c
+++ b/src/acme.c
@@ -1978,7 +1978,7 @@ int acme_res_auth(struct task *task, struct acme_ctx *ctx, struct acme_auth *aut
 				line[nmsg++] = ist(ctx->cfg->vars);
 				line[nmsg++] = ist("\"\n");
 			}
-			if (auth->dns.ptr) {
+			if (isttest(auth->dns)) {
 				line[nmsg++] = ist("dns-01-record \"");
 				line[nmsg++] = ist2(dns_record->area, dns_record->data);
 				line[nmsg++] = ist("\"\n");
diff --git a/src/haterm.c b/src/haterm.c
index 939e129a1..89d6d5ab5 100644
--- a/src/haterm.c
+++ b/src/haterm.c
@@ -476,7 +476,7 @@ static int hstream_build_http_help_resp(struct hstream *hs)
 		goto err;
 	}
 
-	if (!htx_add_data_atonce(htx, ist2(HTTP_HELP, strlen(HTTP_HELP)))) {
+	if (!htx_add_data_atonce(htx, ist(HTTP_HELP))) {
 		TRACE_ERROR("unable to add payload to HTX message", HS_EV_HSTRM_SEND, hs);
 		goto err;
 	}
diff --git a/src/htx.c b/src/htx.c
index c045df766..3584f9ffb 100644
--- a/src/htx.c
+++ b/src/htx.c
@@ -763,8 +763,7 @@ size_t htx_xfer(struct htx *dst, struct htx *src, size_t count, unsigned int fla
 		switch (type) {
 		case HTX_BLK_DATA:
 			v = htx_get_blk_value(src, blk);
-			if (v.len > max)
-				v.len = max;
+			v = isttrim(v, max);
 			v.len = htx_add_data(dst, v);
 			if (!v.len) {
 				dst_full = 1;
@@ -910,8 +909,7 @@ struct htx_ret htx_xfer_blks(struct htx *dst, struct htx *src, uint32_t count,
 		switch (type) {
 			case HTX_BLK_DATA:
 				v = htx_get_blk_value(src, blk);
-				if (v.len > max)
-					v.len = max;
+				v = isttrim(v, max);
 				v.len = htx_add_data(dst, v);
 				if (!v.len)
 					goto stop;
diff --git a/src/tools.c b/src/tools.c
index a83a46ac7..2687c2cdc 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -6970,7 +6970,7 @@ void update_word_fingerprint_with_len(uint8_t *fp, struct ist word)
 	int c;
 
 	from = 28; // begin
-	for (p = word.ptr; p < word.ptr + word.len; p++) {
+	for (p = word.ptr; p < istend(word); p++) {
 		c = tolower((unsigned char)*p);
 		switch(c) {
 		case 'a'...'z': to = c - 'a' + 1; break;