From de00a77e1df3ecd357835586abec8508f7c3cc47 Mon Sep 17 00:00:00 2001
From: Vlad Tsyrklevich <vtsyrklevich google com>
Date: Wed, 8 Nov 2017 15:28:19 -0800
Subject: [PATCH 2/2] Introduce xmlPosixStrdup and update xmlMemStrdup

Introduce xmlPosixStrdup, an internal strdup implementation matching the
POSIX strdup type signature, and update xmlMemStrdup to use it.
---
 globals.c                  |  2 +-
 include/libxml/xmlstring.h |  2 ++
 xmlstring.c                | 14 ++++++++++++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/globals.c b/globals.c
index e351b03f..96865d68 100644
--- a/globals.c
+++ b/globals.c
@@ -131,7 +131,7 @@ xmlReallocFunc xmlRealloc = (xmlReallocFunc) realloc;
  *
  * Returns the copy of the string or NULL in case of error
  */
-xmlStrdupFunc xmlMemStrdup = (xmlStrdupFunc) xmlStrdup;
+xmlStrdupFunc xmlMemStrdup = xmlPosixStrdup;
 #endif /* DEBUG_MEMORY_LOCATION || DEBUG_MEMORY */
 
 #include <libxml/threads.h>
diff --git a/include/libxml/xmlstring.h b/include/libxml/xmlstring.h
index 2d0b2d16..df77c3ac 100644
--- a/include/libxml/xmlstring.h
+++ b/include/libxml/xmlstring.h
@@ -47,6 +47,8 @@ XMLPUBFUN xmlChar * XMLCALL
                                          int len);
 XMLPUBFUN xmlChar * XMLCALL
                 xmlCharStrdup            (const char *cur);
+XMLPUBFUN char * XMLCALL
+                xmlPosixStrdup           (const char *cur);
 XMLPUBFUN xmlChar * XMLCALL
                 xmlStrsub                (const xmlChar *str,
                                          int start,
diff --git a/xmlstring.c b/xmlstring.c
index 8d2e06f6..547f9577 100644
--- a/xmlstring.c
+++ b/xmlstring.c
@@ -118,6 +118,20 @@ xmlCharStrdup(const char *cur) {
     return(xmlCharStrndup(cur, p - cur));
 }
 
+/**
+ * xmlPosixStrdup
+ * @cur:  the input char *
+ *
+ * a strdup implementation with a type signature matching POSIX
+ *
+ * Returns a new xmlChar * or NULL
+ */
+
+char *
+xmlPosixStrdup(const char *cur) {
+    return((char*)xmlCharStrdup(cur));
+}
+
 /**
  * xmlStrcmp:
  * @str1:  the first xmlChar *
-- 
2.15.0.448.gf294e3d99a-goog