Update libjpeg_turbo to 1.4.90 from https://github.com/libjpeg-turbo/

jdatasrc.c

Index: jdatasrc.c
diff --git a/jdatasrc.c b/jdatasrc.c
index 1e9c8ad2b486d7036b8819175f8f1420f63ae461..acbeb8a7166711b7e5f75e83de7cea93d3b39722 100644
--- a/jdatasrc.c
+++ b/jdatasrc.c
@@ -6,7 +6,8 @@
  * Modified 2009-2011 by Guido Vollbeding.
  * libjpeg-turbo Modifications:
  * Copyright (C) 2013, D. R. Commander.
- * For conditions of distribution and use, see the accompanying README file.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
  *
  * This file contains decompression data source routines for the case of
  * reading JPEG data from memory or from a file (or any stdio stream).
@@ -26,16 +27,16 @@
 /* Expanded data source object for stdio input */
 
 typedef struct {
-  struct jpeg_source_mgr pub;	/* public fields */
+  struct jpeg_source_mgr pub;   /* public fields */
 
-  FILE * infile;		/* source stream */
-  JOCTET * buffer;		/* start of buffer */
-  boolean start_of_file;	/* have we gotten any data yet? */
+  FILE *infile;                 /* source stream */
+  JOCTET *buffer;               /* start of buffer */
+  boolean start_of_file;        /* have we gotten any data yet? */
 } my_source_mgr;
 
-typedef my_source_mgr * my_src_ptr;
+typedef my_source_mgr *my_src_ptr;
 
-#define INPUT_BUF_SIZE  4096	/* choose an efficiently fread'able size */
+#define INPUT_BUF_SIZE  4096    /* choose an efficiently fread'able size */
 
 
 /*
@@ -106,7 +107,7 @@ fill_input_buffer (j_decompress_ptr cinfo)
   nbytes = JFREAD(src->infile, src->buffer, INPUT_BUF_SIZE);
 
   if (nbytes <= 0) {
-    if (src->start_of_file)	/* Treat empty input file as fatal error */
+    if (src->start_of_file)     /* Treat empty input file as fatal error */
       ERREXIT(cinfo, JERR_INPUT_EMPTY);
     WARNMS(cinfo, JWRN_JPEG_EOF);
     /* Insert a fake EOI marker */
@@ -161,7 +162,7 @@ fill_mem_input_buffer (j_decompress_ptr cinfo)
 METHODDEF(void)
 skip_input_data (j_decompress_ptr cinfo, long num_bytes)
 {
-  struct jpeg_source_mgr * src = cinfo->src;
+  struct jpeg_source_mgr *src = cinfo->src;
 
   /* Just a dumb implementation for now.  Could use fseek() except
    * it doesn't work on pipes.  Not clear that being smart is worth
@@ -213,7 +214,7 @@ term_source (j_decompress_ptr cinfo)
  */
 
 GLOBAL(void)
-jpeg_stdio_src (j_decompress_ptr cinfo, FILE * infile)
+jpeg_stdio_src (j_decompress_ptr cinfo, FILE *infile)
 {
   my_src_ptr src;
 
@@ -224,14 +225,14 @@ jpeg_stdio_src (j_decompress_ptr cinfo, FILE * infile)
    * This makes it unsafe to use this manager and a different source
    * manager serially with the same JPEG object.  Caveat programmer.
    */
-  if (cinfo->src == NULL) {	/* first time for this JPEG object? */
+  if (cinfo->src == NULL) {     /* first time for this JPEG object? */
     cinfo->src = (struct jpeg_source_mgr *)
       (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
-				  SIZEOF(my_source_mgr));
+                                  sizeof(my_source_mgr));
     src = (my_src_ptr) cinfo->src;
     src->buffer = (JOCTET *)
       (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
-				  INPUT_BUF_SIZE * SIZEOF(JOCTET));
+                                  INPUT_BUF_SIZE * sizeof(JOCTET));
   }
 
   src = (my_src_ptr) cinfo->src;
@@ -254,21 +255,21 @@ jpeg_stdio_src (j_decompress_ptr cinfo, FILE * infile)
 
 GLOBAL(void)
 jpeg_mem_src (j_decompress_ptr cinfo,
-	      unsigned char * inbuffer, unsigned long insize)
+              const unsigned char *inbuffer, unsigned long insize)
 {
-  struct jpeg_source_mgr * src;
+  struct jpeg_source_mgr *src;
 
-  if (inbuffer == NULL || insize == 0)	/* Treat empty input as fatal error */
+  if (inbuffer == NULL || insize == 0)  /* Treat empty input as fatal error */
     ERREXIT(cinfo, JERR_INPUT_EMPTY);
 
   /* The source object is made permanent so that a series of JPEG images
    * can be read from the same buffer by calling jpeg_mem_src only before
    * the first one.
    */
-  if (cinfo->src == NULL) {	/* first time for this JPEG object? */
+  if (cinfo->src == NULL) {     /* first time for this JPEG object? */
     cinfo->src = (struct jpeg_source_mgr *)
       (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
-				  SIZEOF(struct jpeg_source_mgr));
+                                  sizeof(struct jpeg_source_mgr));
   }
 
   src = cinfo->src;
@@ -278,6 +279,6 @@ jpeg_mem_src (j_decompress_ptr cinfo,
   src->resync_to_restart = jpeg_resync_to_restart; /* use default method */
   src->term_source = term_source;
   src->bytes_in_buffer = (size_t) insize;
-  src->next_input_byte = (JOCTET *) inbuffer;
+  src->next_input_byte = (const JOCTET *) inbuffer;
 }
 #endif