2 files changed, 22 insertions, 0 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			///////////////