1 files changed, 6 insertions, 6 deletions

diff --git a/src/lib/libc/string/strstr.c b/src/lib/libc/string/strstr.c
index 241a080e7a..f5f460a251 100644
--- a/src/lib/libc/string/strstr.c
+++ b/src/lib/libc/string/strstr.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: strstr.c,v 1.9 2020/04/16 12:37:52 claudio Exp $ */
+/*      $OpenBSD: strstr.c,v 1.11 2026/06/23 13:10:40 tim Exp $ */
 
 /*
  * Copyright (c) 2005-2018 Rich Felker
@@ -37,8 +37,8 @@ twobyte_strstr(const unsigned char *h, const unsigned char *n)
 static char *
 threebyte_strstr(const unsigned char *h, const unsigned char *n)
 {
-        uint32_t nw = n[0]<<24 | n[1]<<16 | n[2]<<8;
-        uint32_t hw = h[0]<<24 | h[1]<<16 | h[2]<<8;
+        uint32_t nw = (uint32_t)n[0]<<24 | n[1]<<16 | n[2]<<8;
+        uint32_t hw = (uint32_t)h[0]<<24 | h[1]<<16 | h[2]<<8;
         for (h+=2; *h && hw != nw; hw = (hw|*++h)<<8);
         return *h ? (char *)h-2 : 0;
 }
@@ -46,8 +46,8 @@ threebyte_strstr(const unsigned char *h, const unsigned char *n)
 static char *
 fourbyte_strstr(const unsigned char *h, const unsigned char *n)
 {
-        uint32_t nw = n[0]<<24 | n[1]<<16 | n[2]<<8 | n[3];
-        uint32_t hw = h[0]<<24 | h[1]<<16 | h[2]<<8 | h[3];
+        uint32_t nw = (uint32_t)n[0]<<24 | n[1]<<16 | n[2]<<8 | n[3];
+        uint32_t hw = (uint32_t)h[0]<<24 | h[1]<<16 | h[2]<<8 | h[3];
         for (h+=3; *h && hw != nw; hw = hw<<8 | *++h);
         return *h ? (char *)h-3 : 0;
 }
@@ -129,7 +129,7 @@ twoway_strstr(const unsigned char *h, const unsigned char *n)
         for (;;) {
                 /* Update incremental end-of-haystack pointer */
                 if (z-h < l) {
-                        /* Fast estimate for MIN(l,63) */
+                        /* Fast estimate for MAX(l,63) */
                         size_t grow = l | 63;
                         const unsigned char *z2 = memchr(z, 0, grow);
                         if (z2) {