4 files changed, 35 insertions, 1 deletions
diff --git a/project/dclib/dclib-basics.c b/project/dclib/dclib-basics.c
index c46f5e2..793ddcd 100644
--- a/project/dclib/dclib-basics.c
+++ b/project/dclib/dclib-basics.c
@@ -8074,6 +8074,20 @@ ccp GetSha1Hex ( cvp bin )
     return hex;
 }
 
+///////////////////////////////////////////////////////////////////////////////
+
+void * dc_memrchr ( cvp src, int ch, size_t size )
+{
+    if ( !src || !size )
+	return 0;
+
+    ccp ptr = src + size;
+    while ( ptr > (ccp)src )
+	if ( *--ptr == ch )
+	    return (void*)ptr;
+    return 0;
+}
+
 //
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////				END			///////////////
diff --git a/project/dclib/dclib-basics.h b/project/dclib/dclib-basics.h
index eb4c40a..498191e 100644
--- a/project/dclib/dclib-basics.h
+++ b/project/dclib/dclib-basics.h
@@ -5269,6 +5269,14 @@ static inline char * snprintfE ( char *buf, char *end, ccp format, ... )
     return buf + ( res < 0 ? 0 : res < size ? res : size - 1 );
 }
 
+///////////////////////////////////////////////////////////////////////////////
+
+void * dc_memrchr ( cvp src, int ch, size_t size );
+
+#ifdef __APPLE__
+ #define memrchr dc_memrchr
+#endif
+
 //
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////			    E N D			///////////////
diff --git a/project/revision.sh b/project/revision.sh
index b0cd35e..2e055f0 100644
--- a/project/revision.sh
+++ b/project/revision.sh
@@ -1 +1 @@
-revision=8226
+revision=8227M
diff --git a/project/src/wtest.c b/project/src/wtest.c
index 5f146ac..38e2960 100644
--- a/project/src/wtest.c
+++ b/project/src/wtest.c
@@ -3684,6 +3684,18 @@ const gobj_cond_ref_t * FindConditionRef2 ( u16 ref_id )
 static enumError develop ( int argc, char ** argv )
 {
  #if 1
+    static const char text[] = "abc/def/ghi\0jkl/mno/pqr";
+    uint i;
+    for ( i = 0; i < sizeof(text); i++ )
+    {
+	ccp res = memrchr(text,'/',i);
+	ccp dc  = dc_memrchr(text,'/',i);
+	printf(" %3u: %3zd %3zd%s\n",
+	    i, res ? res-text : -1, dc ? dc-text : -1,
+	    res == dc ? "" : " DIFFER!" );
+    }
+
+ #elif 1
     static const u16 tab[] = { 0x1000,0x103f, 0x1900,0x193f, 0 };
     const u16 *ptr;