Implement in-memory source/destination managers even when not emulating the libjpeg v8 API/ABI

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@913 632fc199-4ca6-4c93-a231-07263d6284db

1 files changed, 6 insertions, 4 deletions

diff --git a/jdatasrc.c b/jdatasrc.c
index 602f3e1..69e8f6d 100644
--- a/jdatasrc.c
+++ b/jdatasrc.c
@@ -1,9 +1,11 @@
 /*
  * jdatasrc.c
  *
+ * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1994-1996, Thomas G. Lane.
  * Modified 2009-2011 by Guido Vollbeding.
- * This file is part of the Independent JPEG Group's software.
+ * Modifications:
+ * Copyright (C) 2013, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README file.
  *
  * This file contains decompression data source routines for the case of
@@ -53,7 +55,7 @@ init_source (j_decompress_ptr cinfo)
   src->start_of_file = TRUE;
 }
 
-#if JPEG_LIB_VERSION >= 80
+#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
 METHODDEF(void)
 init_mem_source (j_decompress_ptr cinfo)
 {
@@ -120,7 +122,7 @@ fill_input_buffer (j_decompress_ptr cinfo)
   return TRUE;
 }
 
-#if JPEG_LIB_VERSION >= 80
+#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
 METHODDEF(boolean)
 fill_mem_input_buffer (j_decompress_ptr cinfo)
 {
@@ -244,7 +246,7 @@ jpeg_stdio_src (j_decompress_ptr cinfo, FILE * infile)
 }
 
 
-#if JPEG_LIB_VERSION >= 80
+#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
 /*
  * Prepare for input from a supplied memory buffer.
  * The buffer must contain the whole JPEG data.