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

rdcolmap.c

Index: rdcolmap.c
diff --git a/rdcolmap.c b/rdcolmap.c
index 42b343763b59af25303d43462c8149e837694a5b..ed8ca3b6ab9f8c41de3871a0b2cb1f17ebfda968 100644
--- a/rdcolmap.c
+++ b/rdcolmap.c
@@ -3,7 +3,8 @@
  *
  * Copyright (C) 1994-1996, Thomas G. Lane.
  * This file is part of the Independent JPEG Group's software.
- * 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 implements djpeg's "-map file" switch.  It reads a source image
  * and constructs a colormap to be supplied to the JPEG decompressor.
@@ -21,9 +22,9 @@
  * currently implemented.
  */
 
-#include "cdjpeg.h"		/* Common decls for cjpeg/djpeg applications */
+#include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
 
-#ifdef QUANT_2PASS_SUPPORTED	/* otherwise can't quantize to supplied map */
+#ifdef QUANT_2PASS_SUPPORTED    /* otherwise can't quantize to supplied map */
 
 /* Portions of this code are based on the PBMPLUS library, which is:
 **
@@ -54,9 +55,9 @@ add_map_entry (j_decompress_ptr cinfo, int R, int G, int B)
   /* Check for duplicate color. */
   for (index = 0; index < ncolors; index++) {
     if (GETJSAMPLE(colormap0[index]) == R &&
-	GETJSAMPLE(colormap1[index]) == G &&
-	GETJSAMPLE(colormap2[index]) == B)
-      return;			/* color is already in map */
+        GETJSAMPLE(colormap1[index]) == G &&
+        GETJSAMPLE(colormap2[index]) == B)
+      return;                   /* color is already in map */
   }
 
   /* Check for map overflow. */
@@ -76,7 +77,7 @@ add_map_entry (j_decompress_ptr cinfo, int R, int G, int B)
  */
 
 LOCAL(void)
-read_gif_map (j_decompress_ptr cinfo, FILE * infile)
+read_gif_map (j_decompress_ptr cinfo, FILE *infile)
 {
   int header[13];
   int i, colormaplen;
@@ -107,9 +108,9 @@ read_gif_map (j_decompress_ptr cinfo, FILE * infile)
     if (R == EOF || G == EOF || B == EOF)
       ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
     add_map_entry(cinfo,
-		  R << (BITS_IN_JSAMPLE-8),
-		  G << (BITS_IN_JSAMPLE-8),
-		  B << (BITS_IN_JSAMPLE-8));
+                  R << (BITS_IN_JSAMPLE-8),
+                  G << (BITS_IN_JSAMPLE-8),
+                  B << (BITS_IN_JSAMPLE-8));
   }
 }
 
@@ -118,12 +119,12 @@ read_gif_map (j_decompress_ptr cinfo, FILE * infile)
 
 
 LOCAL(int)
-pbm_getc (FILE * infile)
+pbm_getc (FILE *infile)
 /* Read next char, skipping over any comments */
 /* A comment/newline sequence is returned as a newline */
 {
   register int ch;
-  
+
   ch = getc(infile);
   if (ch == '#') {
     do {
@@ -135,7 +136,7 @@ pbm_getc (FILE * infile)
 
 
 LOCAL(unsigned int)
-read_pbm_integer (j_decompress_ptr cinfo, FILE * infile)
+read_pbm_integer (j_decompress_ptr cinfo, FILE *infile)
 /* Read an unsigned decimal integer from the PPM file */
 /* Swallows one trailing character after the integer */
 /* Note that on a 16-bit-int machine, only values up to 64k can be read. */
@@ -143,17 +144,17 @@ read_pbm_integer (j_decompress_ptr cinfo, FILE * infile)
 {
   register int ch;
   register unsigned int val;
-  
+
   /* Skip any leading whitespace */
   do {
     ch = pbm_getc(infile);
     if (ch == EOF)
       ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
   } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r');
-  
+
   if (ch < '0' || ch > '9')
     ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
-  
+
   val = ch - '0';
   while ((ch = pbm_getc(infile)) >= '0' && ch <= '9') {
     val *= 10;
@@ -168,14 +169,14 @@ read_pbm_integer (j_decompress_ptr cinfo, FILE * infile)
  */
 
 LOCAL(void)
-read_ppm_map (j_decompress_ptr cinfo, FILE * infile)
+read_ppm_map (j_decompress_ptr cinfo, FILE *infile)
 {
   int c;
   unsigned int w, h, maxval, row, col;
   int R, G, B;
 
   /* Initial 'P' has already been read by read_color_map */
-  c = getc(infile);		/* save format discriminator for a sec */
+  c = getc(infile);             /* save format discriminator for a sec */
 
   /* while we fetch the remaining header info */
   w = read_pbm_integer(cinfo, infile);
@@ -190,26 +191,26 @@ read_ppm_map (j_decompress_ptr cinfo, FILE * infile)
     ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
 
   switch (c) {
-  case '3':			/* it's a text-format PPM file */
+  case '3':                     /* it's a text-format PPM file */
     for (row = 0; row < h; row++) {
       for (col = 0; col < w; col++) {
-	R = read_pbm_integer(cinfo, infile);
-	G = read_pbm_integer(cinfo, infile);
-	B = read_pbm_integer(cinfo, infile);
-	add_map_entry(cinfo, R, G, B);
+        R = read_pbm_integer(cinfo, infile);
+        G = read_pbm_integer(cinfo, infile);
+        B = read_pbm_integer(cinfo, infile);
+        add_map_entry(cinfo, R, G, B);
       }
     }
     break;
 
-  case '6':			/* it's a raw-format PPM file */
+  case '6':                     /* it's a raw-format PPM file */
     for (row = 0; row < h; row++) {
       for (col = 0; col < w; col++) {
-	R = getc(infile);
-	G = getc(infile);
-	B = getc(infile);
-	if (R == EOF || G == EOF || B == EOF)
-	  ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
-	add_map_entry(cinfo, R, G, B);
+        R = getc(infile);
+        G = getc(infile);
+        B = getc(infile);
+        if (R == EOF || G == EOF || B == EOF)
+          ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
+        add_map_entry(cinfo, R, G, B);
       }
     }
     break;
@@ -228,7 +229,7 @@ read_ppm_map (j_decompress_ptr cinfo, FILE * infile)
  */
 
 GLOBAL(void)
-read_color_map (j_decompress_ptr cinfo, FILE * infile)
+read_color_map (j_decompress_ptr cinfo, FILE *infile)
 {
   /* Allocate space for a color map of maximum supported size. */
   cinfo->colormap = (*cinfo->mem->alloc_sarray)