xref: /third_party/libxml2/backport-Use-xmlStrlen-in-CtxtReadDoc.patch

From 5b2d07a72670513e41b481a9d922c983a64027ca Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sat, 20 Aug 2022 17:00:50 +0200
Subject: [PATCH] Use xmlStrlen in *CtxtReadDoc

xmlStrlen handles buffers larger than INT_MAX more gracefully.

Reference:https://github.com/GNOME/libxml2/commit/5b2d07a72670513e41b481a9d922c983a64027ca
Conflict:NA
---
 HTMLparser.c | 7 ++-----
 parser.c     | 6 ++----
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/HTMLparser.c b/HTMLparser.c
index a4168f3..e0b32fe 100644
--- a/HTMLparser.c
+++ b/HTMLparser.c
@@ -7087,13 +7087,10 @@ htmlDocPtr
 htmlCtxtReadDoc(htmlParserCtxtPtr ctxt, const xmlChar * cur,
                const char *URL, const char *encoding, int options)
 {
-    const char *buf;
-
     if (cur == NULL)
         return (NULL);
-    buf = (const char *) cur;
-    return (htmlCtxtReadMemory(ctxt, buf, strlen(buf), URL, encoding,
-                               options));
+    return (htmlCtxtReadMemory(ctxt, (const char *) cur, xmlStrlen(cur), URL,
+                               encoding, options));
 }
 
 /**
diff --git a/parser.c b/parser.c
index fbeb7af..23b031d 100644
--- a/parser.c
+++ b/parser.c
@@ -15374,12 +15374,10 @@ xmlDocPtr
 xmlCtxtReadDoc(xmlParserCtxtPtr ctxt, const xmlChar * cur,
                const char *URL, const char *encoding, int options)
 {
-    const char *buf;
-
     if (cur == NULL)
         return (NULL);
-    buf = (const char *) cur;
-    return (xmlCtxtReadMemory(ctxt, buf, strlen(buf), URL, encoding, options));
+    return (xmlCtxtReadMemory(ctxt, (const char *) cur, xmlStrlen(cur), URL,
+                              encoding, options));
 }
 
 /**
-- 
2.27.0