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

cdjpeg.c

 /*
  * cdjpeg.c
  *
+ * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1997, 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.
+ * It was modified by The libjpeg-turbo Project to include only code relevant
+ * to libjpeg-turbo.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
  *
  * This file contains common support routines used by the IJG application
  * programs (cjpeg, djpeg, jpegtran).
  */
 
-#include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
-#include <ctype.h>              /* to declare isupper(), tolower() */
-#ifdef NEED_SIGNAL_CATCHER
-#include <signal.h>             /* to declare signal() */
-#endif
+#include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
+#include <ctype.h>              /* to declare isupper(), tolower() */
 #ifdef USE_SETMODE
-#include <fcntl.h>              /* to declare setmode()'s parameter macros */
+#include <fcntl.h>              /* to declare setmode()'s parameter macros */
 /* If you have setmode() but not <io.h>, just delete this line: */
-#include <io.h>                 /* to declare setmode() */
+#include <io.h>                 /* to declare setmode() */
 #endif
 
 
-/*
- * Signal catcher to ensure that temporary files are removed before aborting.
- * NB: for Amiga Manx C this is actually a global routine named _abort();
- * we put "#define signal_catcher _abort" in jconfig.h.  Talk about bogus...
- */
-
-#ifdef NEED_SIGNAL_CATCHER
-
-static j_common_ptr sig_cinfo;
-
-void                            /* must be global for Manx C */
-signal_catcher (int signum)
-{
-  if (sig_cinfo != NULL) {
-    if (sig_cinfo->err != NULL) /* turn off trace output */
-      sig_cinfo->err->trace_level = 0;
-    jpeg_destroy(sig_cinfo);    /* clean up memory allocation & temp files */
-  }
-  exit(EXIT_FAILURE);
-}
-
-
-GLOBAL(void)
-enable_signal_catcher (j_common_ptr cinfo)
-{
-  sig_cinfo = cinfo;
-#ifdef SIGINT                   /* not all systems have SIGINT */
-  signal(SIGINT, signal_catcher);
-#endif
-#ifdef SIGTERM                  /* not all systems have SIGTERM */
-  signal(SIGTERM, signal_catcher);
-#endif
-}
-
-#endif
-
-
 /*
  * Optional progress monitor: display a percent-done figure on stderr.
  */
 
 #ifdef PROGRESS_REPORT
 
 METHODDEF(void)
 progress_monitor (j_common_ptr cinfo)
 {
   cd_progress_ptr prog = (cd_progress_ptr) cinfo->progress;
   int total_passes = prog->pub.total_passes + prog->total_extra_passes;
   int percent_done = (int) (prog->pub.pass_counter*100L/prog->pub.pass_limit);
 
   if (percent_done != prog->percent_done) {
     prog->percent_done = percent_done;
     if (total_passes > 1) {
       fprintf(stderr, "\rPass %d/%d: %3d%% ",
-              prog->pub.completed_passes + prog->completed_extra_passes + 1,
-              total_passes, percent_done);
+              prog->pub.completed_passes + prog->completed_extra_passes + 1,
+              total_passes, percent_done);
     } else {
       fprintf(stderr, "\r %3d%% ", percent_done);
     }
     fflush(stderr);
   }
 }
 
 
 GLOBAL(void)
 start_progress_monitor (j_common_ptr cinfo, cd_progress_ptr progress)
@@ skipping 22 matching lines @@
 #endif
 
 
 /*
  * Case-insensitive matching of possibly-abbreviated keyword switches.
  * keyword is the constant keyword (must be lower case already),
  * minchars is length of minimum legal abbreviation.
  */
 
 GLOBAL(boolean)
-keymatch (char * arg, const char * keyword, int minchars)
+keymatch (char *arg, const char *keyword, int minchars)
 {
   register int ca, ck;
   register int nmatched = 0;
 
   while ((ca = *arg++) != '\0') {
     if ((ck = *keyword++) == '\0')
-      return FALSE;             /* arg longer than keyword, no good */
-    if (isupper(ca))            /* force arg to lcase (assume ck is already) */
+      return FALSE;             /* arg longer than keyword, no good */
+    if (isupper(ca))            /* force arg to lcase (assume ck is already) */
       ca = tolower(ca);
     if (ca != ck)
-      return FALSE;             /* no good */
-    nmatched++;                 /* count matched characters */
+      return FALSE;             /* no good */
+    nmatched++;                 /* count matched characters */
   }
   /* reached end of argument; fail if it's too short for unique abbrev */
   if (nmatched < minchars)
     return FALSE;
-  return TRUE;                  /* A-OK */
+  return TRUE;                  /* A-OK */
 }
 
 
 /*
  * Routines to establish binary I/O mode for stdin and stdout.
  * Non-Unix systems often require some hacking to get out of text mode.
  */
 
 GLOBAL(FILE *)
 read_stdin (void)
 {
   FILE * input_file = stdin;
 
-#ifdef USE_SETMODE              /* need to hack file mode? */
+#ifdef USE_SETMODE              /* need to hack file mode? */
   setmode(fileno(stdin), O_BINARY);
 #endif
-#ifdef USE_FDOPEN               /* need to re-open in binary mode? */
+#ifdef USE_FDOPEN               /* need to re-open in binary mode? */
   if ((input_file = fdopen(fileno(stdin), READ_BINARY)) == NULL) {
     fprintf(stderr, "Cannot reopen stdin\n");
     exit(EXIT_FAILURE);
   }
 #endif
   return input_file;
 }
 
 
 GLOBAL(FILE *)
 write_stdout (void)
 {
   FILE * output_file = stdout;
 
-#ifdef USE_SETMODE              /* need to hack file mode? */
+#ifdef USE_SETMODE              /* need to hack file mode? */
   setmode(fileno(stdout), O_BINARY);
 #endif
-#ifdef USE_FDOPEN               /* need to re-open in binary mode? */
+#ifdef USE_FDOPEN               /* need to re-open in binary mode? */
   if ((output_file = fdopen(fileno(stdout), WRITE_BINARY)) == NULL) {
     fprintf(stderr, "Cannot reopen stdout\n");
     exit(EXIT_FAILURE);
   }
 #endif
   return output_file;
 }