diff options
| author | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-10-12 10:49:29 +0000 |
|---|---|---|
| committer | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-10-12 10:49:29 +0000 |
| commit | 557f2816f5cd30705dec989c97a8a67c026d36d1 (patch) | |
| tree | 4900789ab5d52219bf065744a61f9ea5863b3428 /plugins/FreeImage/src/LibJPEG/djpeg.c | |
| parent | 69fe21d6e2262d6fb2b14278b7a20364468cbdcf (diff) | |
FreeImage: folders restructurization
git-svn-id: http://svn.miranda-ng.org/main/trunk@1884 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/FreeImage/src/LibJPEG/djpeg.c')
| -rw-r--r-- | plugins/FreeImage/src/LibJPEG/djpeg.c | 617 |
1 files changed, 617 insertions, 0 deletions
diff --git a/plugins/FreeImage/src/LibJPEG/djpeg.c b/plugins/FreeImage/src/LibJPEG/djpeg.c new file mode 100644 index 0000000000..363c628cbe --- /dev/null +++ b/plugins/FreeImage/src/LibJPEG/djpeg.c @@ -0,0 +1,617 @@ +/*
+ * djpeg.c
+ *
+ * Copyright (C) 1991-1997, Thomas G. Lane.
+ * Modified 2009 by Guido Vollbeding.
+ * This file is part of the Independent JPEG Group's software.
+ * For conditions of distribution and use, see the accompanying README file.
+ *
+ * This file contains a command-line user interface for the JPEG decompressor.
+ * It should work on any system with Unix- or MS-DOS-style command lines.
+ *
+ * Two different command line styles are permitted, depending on the
+ * compile-time switch TWO_FILE_COMMANDLINE:
+ * djpeg [options] inputfile outputfile
+ * djpeg [options] [inputfile]
+ * In the second style, output is always to standard output, which you'd
+ * normally redirect to a file or pipe to some other program. Input is
+ * either from a named file or from standard input (typically redirected).
+ * The second style is convenient on Unix but is unhelpful on systems that
+ * don't support pipes. Also, you MUST use the first style if your system
+ * doesn't do binary I/O to stdin/stdout.
+ * To simplify script writing, the "-outfile" switch is provided. The syntax
+ * djpeg [options] -outfile outputfile inputfile
+ * works regardless of which command line style is used.
+ */
+
+#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
+#include "jversion.h" /* for version message */
+
+#include <ctype.h> /* to declare isprint() */
+
+#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
+#ifdef __MWERKS__
+#include <SIOUX.h> /* Metrowerks needs this */
+#include <console.h> /* ... and this */
+#endif
+#ifdef THINK_C
+#include <console.h> /* Think declares it here */
+#endif
+#endif
+
+
+/* Create the add-on message string table. */
+
+#define JMESSAGE(code,string) string ,
+
+static const char * const cdjpeg_message_table[] = {
+#include "cderror.h"
+ NULL
+};
+
+
+/*
+ * This list defines the known output image formats
+ * (not all of which need be supported by a given version).
+ * You can change the default output format by defining DEFAULT_FMT;
+ * indeed, you had better do so if you undefine PPM_SUPPORTED.
+ */
+
+typedef enum {
+ FMT_BMP, /* BMP format (Windows flavor) */
+ FMT_GIF, /* GIF format */
+ FMT_OS2, /* BMP format (OS/2 flavor) */
+ FMT_PPM, /* PPM/PGM (PBMPLUS formats) */
+ FMT_RLE, /* RLE format */
+ FMT_TARGA, /* Targa format */
+ FMT_TIFF /* TIFF format */
+} IMAGE_FORMATS;
+
+#ifndef DEFAULT_FMT /* so can override from CFLAGS in Makefile */
+#define DEFAULT_FMT FMT_PPM
+#endif
+
+static IMAGE_FORMATS requested_fmt;
+
+
+/*
+ * Argument-parsing code.
+ * The switch parser is designed to be useful with DOS-style command line
+ * syntax, ie, intermixed switches and file names, where only the switches
+ * to the left of a given file name affect processing of that file.
+ * The main program in this file doesn't actually use this capability...
+ */
+
+
+static const char * progname; /* program name for error messages */
+static char * outfilename; /* for -outfile switch */
+
+
+LOCAL(void)
+usage (void)
+/* complain about bad command line */
+{
+ fprintf(stderr, "usage: %s [switches] ", progname);
+#ifdef TWO_FILE_COMMANDLINE
+ fprintf(stderr, "inputfile outputfile\n");
+#else
+ fprintf(stderr, "[inputfile]\n");
+#endif
+
+ fprintf(stderr, "Switches (names may be abbreviated):\n");
+ fprintf(stderr, " -colors N Reduce image to no more than N colors\n");
+ fprintf(stderr, " -fast Fast, low-quality processing\n");
+ fprintf(stderr, " -grayscale Force grayscale output\n");
+#ifdef IDCT_SCALING_SUPPORTED
+ fprintf(stderr, " -scale M/N Scale output image by fraction M/N, eg, 1/8\n");
+#endif
+#ifdef BMP_SUPPORTED
+ fprintf(stderr, " -bmp Select BMP output format (Windows style)%s\n",
+ (DEFAULT_FMT == FMT_BMP ? " (default)" : ""));
+#endif
+#ifdef GIF_SUPPORTED
+ fprintf(stderr, " -gif Select GIF output format%s\n",
+ (DEFAULT_FMT == FMT_GIF ? " (default)" : ""));
+#endif
+#ifdef BMP_SUPPORTED
+ fprintf(stderr, " -os2 Select BMP output format (OS/2 style)%s\n",
+ (DEFAULT_FMT == FMT_OS2 ? " (default)" : ""));
+#endif
+#ifdef PPM_SUPPORTED
+ fprintf(stderr, " -pnm Select PBMPLUS (PPM/PGM) output format%s\n",
+ (DEFAULT_FMT == FMT_PPM ? " (default)" : ""));
+#endif
+#ifdef RLE_SUPPORTED
+ fprintf(stderr, " -rle Select Utah RLE output format%s\n",
+ (DEFAULT_FMT == FMT_RLE ? " (default)" : ""));
+#endif
+#ifdef TARGA_SUPPORTED
+ fprintf(stderr, " -targa Select Targa output format%s\n",
+ (DEFAULT_FMT == FMT_TARGA ? " (default)" : ""));
+#endif
+ fprintf(stderr, "Switches for advanced users:\n");
+#ifdef DCT_ISLOW_SUPPORTED
+ fprintf(stderr, " -dct int Use integer DCT method%s\n",
+ (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
+#endif
+#ifdef DCT_IFAST_SUPPORTED
+ fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n",
+ (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
+#endif
+#ifdef DCT_FLOAT_SUPPORTED
+ fprintf(stderr, " -dct float Use floating-point DCT method%s\n",
+ (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
+#endif
+ fprintf(stderr, " -dither fs Use F-S dithering (default)\n");
+ fprintf(stderr, " -dither none Don't use dithering in quantization\n");
+ fprintf(stderr, " -dither ordered Use ordered dither (medium speed, quality)\n");
+#ifdef QUANT_2PASS_SUPPORTED
+ fprintf(stderr, " -map FILE Map to colors used in named image file\n");
+#endif
+ fprintf(stderr, " -nosmooth Don't use high-quality upsampling\n");
+#ifdef QUANT_1PASS_SUPPORTED
+ fprintf(stderr, " -onepass Use 1-pass quantization (fast, low quality)\n");
+#endif
+ fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
+ fprintf(stderr, " -outfile name Specify name for output file\n");
+ fprintf(stderr, " -verbose or -debug Emit debug output\n");
+ exit(EXIT_FAILURE);
+}
+
+
+LOCAL(int)
+parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
+ int last_file_arg_seen, boolean for_real)
+/* Parse optional switches.
+ * Returns argv[] index of first file-name argument (== argc if none).
+ * Any file names with indexes <= last_file_arg_seen are ignored;
+ * they have presumably been processed in a previous iteration.
+ * (Pass 0 for last_file_arg_seen on the first or only iteration.)
+ * for_real is FALSE on the first (dummy) pass; we may skip any expensive
+ * processing.
+ */
+{
+ int argn;
+ char * arg;
+
+ /* Set up default JPEG parameters. */
+ requested_fmt = DEFAULT_FMT; /* set default output file format */
+ outfilename = NULL;
+ cinfo->err->trace_level = 0;
+
+ /* Scan command line options, adjust parameters */
+
+ for (argn = 1; argn < argc; argn++) {
+ arg = argv[argn];
+ if (*arg != '-') {
+ /* Not a switch, must be a file name argument */
+ if (argn <= last_file_arg_seen) {
+ outfilename = NULL; /* -outfile applies to just one input file */
+ continue; /* ignore this name if previously processed */
+ }
+ break; /* else done parsing switches */
+ }
+ arg++; /* advance past switch marker character */
+
+ if (keymatch(arg, "bmp", 1)) {
+ /* BMP output format. */
+ requested_fmt = FMT_BMP;
+
+ } else if (keymatch(arg, "colors", 1) || keymatch(arg, "colours", 1) ||
+ keymatch(arg, "quantize", 1) || keymatch(arg, "quantise", 1)) {
+ /* Do color quantization. */
+ int val;
+
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ if (sscanf(argv[argn], "%d", &val) != 1)
+ usage();
+ cinfo->desired_number_of_colors = val;
+ cinfo->quantize_colors = TRUE;
+
+ } else if (keymatch(arg, "dct", 2)) {
+ /* Select IDCT algorithm. */
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ if (keymatch(argv[argn], "int", 1)) {
+ cinfo->dct_method = JDCT_ISLOW;
+ } else if (keymatch(argv[argn], "fast", 2)) {
+ cinfo->dct_method = JDCT_IFAST;
+ } else if (keymatch(argv[argn], "float", 2)) {
+ cinfo->dct_method = JDCT_FLOAT;
+ } else
+ usage();
+
+ } else if (keymatch(arg, "dither", 2)) {
+ /* Select dithering algorithm. */
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ if (keymatch(argv[argn], "fs", 2)) {
+ cinfo->dither_mode = JDITHER_FS;
+ } else if (keymatch(argv[argn], "none", 2)) {
+ cinfo->dither_mode = JDITHER_NONE;
+ } else if (keymatch(argv[argn], "ordered", 2)) {
+ cinfo->dither_mode = JDITHER_ORDERED;
+ } else
+ usage();
+
+ } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) {
+ /* Enable debug printouts. */
+ /* On first -d, print version identification */
+ static boolean printed_version = FALSE;
+
+ if (! printed_version) {
+ fprintf(stderr, "Independent JPEG Group's DJPEG, version %s\n%s\n",
+ JVERSION, JCOPYRIGHT);
+ printed_version = TRUE;
+ }
+ cinfo->err->trace_level++;
+
+ } else if (keymatch(arg, "fast", 1)) {
+ /* Select recommended processing options for quick-and-dirty output. */
+ cinfo->two_pass_quantize = FALSE;
+ cinfo->dither_mode = JDITHER_ORDERED;
+ if (! cinfo->quantize_colors) /* don't override an earlier -colors */
+ cinfo->desired_number_of_colors = 216;
+ cinfo->dct_method = JDCT_FASTEST;
+ cinfo->do_fancy_upsampling = FALSE;
+
+ } else if (keymatch(arg, "gif", 1)) {
+ /* GIF output format. */
+ requested_fmt = FMT_GIF;
+
+ } else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) {
+ /* Force monochrome output. */
+ cinfo->out_color_space = JCS_GRAYSCALE;
+
+ } else if (keymatch(arg, "map", 3)) {
+ /* Quantize to a color map taken from an input file. */
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ if (for_real) { /* too expensive to do twice! */
+#ifdef QUANT_2PASS_SUPPORTED /* otherwise can't quantize to supplied map */
+ FILE * mapfile;
+
+ if ((mapfile = fopen(argv[argn], READ_BINARY)) == NULL) {
+ fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);
+ exit(EXIT_FAILURE);
+ }
+ read_color_map(cinfo, mapfile);
+ fclose(mapfile);
+ cinfo->quantize_colors = TRUE;
+#else
+ ERREXIT(cinfo, JERR_NOT_COMPILED);
+#endif
+ }
+
+ } else if (keymatch(arg, "maxmemory", 3)) {
+ /* Maximum memory in Kb (or Mb with 'm'). */
+ long lval;
+ char ch = 'x';
+
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
+ usage();
+ if (ch == 'm' || ch == 'M')
+ lval *= 1000L;
+ cinfo->mem->max_memory_to_use = lval * 1000L;
+
+ } else if (keymatch(arg, "nosmooth", 3)) {
+ /* Suppress fancy upsampling */
+ cinfo->do_fancy_upsampling = FALSE;
+
+ } else if (keymatch(arg, "onepass", 3)) {
+ /* Use fast one-pass quantization. */
+ cinfo->two_pass_quantize = FALSE;
+
+ } else if (keymatch(arg, "os2", 3)) {
+ /* BMP output format (OS/2 flavor). */
+ requested_fmt = FMT_OS2;
+
+ } else if (keymatch(arg, "outfile", 4)) {
+ /* Set output file name. */
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ outfilename = argv[argn]; /* save it away for later use */
+
+ } else if (keymatch(arg, "pnm", 1) || keymatch(arg, "ppm", 1)) {
+ /* PPM/PGM output format. */
+ requested_fmt = FMT_PPM;
+
+ } else if (keymatch(arg, "rle", 1)) {
+ /* RLE output format. */
+ requested_fmt = FMT_RLE;
+
+ } else if (keymatch(arg, "scale", 1)) {
+ /* Scale the output image by a fraction M/N. */
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ if (sscanf(argv[argn], "%d/%d",
+ &cinfo->scale_num, &cinfo->scale_denom) < 1)
+ usage();
+
+ } else if (keymatch(arg, "targa", 1)) {
+ /* Targa output format. */
+ requested_fmt = FMT_TARGA;
+
+ } else {
+ usage(); /* bogus switch */
+ }
+ }
+
+ return argn; /* return index of next arg (file name) */
+}
+
+
+/*
+ * Marker processor for COM and interesting APPn markers.
+ * This replaces the library's built-in processor, which just skips the marker.
+ * We want to print out the marker as text, to the extent possible.
+ * Note this code relies on a non-suspending data source.
+ */
+
+LOCAL(unsigned int)
+jpeg_getc (j_decompress_ptr cinfo)
+/* Read next byte */
+{
+ struct jpeg_source_mgr * datasrc = cinfo->src;
+
+ if (datasrc->bytes_in_buffer == 0) {
+ if (! (*datasrc->fill_input_buffer) (cinfo))
+ ERREXIT(cinfo, JERR_CANT_SUSPEND);
+ }
+ datasrc->bytes_in_buffer--;
+ return GETJOCTET(*datasrc->next_input_byte++);
+}
+
+
+METHODDEF(boolean)
+print_text_marker (j_decompress_ptr cinfo)
+{
+ boolean traceit = (cinfo->err->trace_level >= 1);
+ INT32 length;
+ unsigned int ch;
+ unsigned int lastch = 0;
+
+ length = jpeg_getc(cinfo) << 8;
+ length += jpeg_getc(cinfo);
+ length -= 2; /* discount the length word itself */
+
+ if (traceit) {
+ if (cinfo->unread_marker == JPEG_COM)
+ fprintf(stderr, "Comment, length %ld:\n", (long) length);
+ else /* assume it is an APPn otherwise */
+ fprintf(stderr, "APP%d, length %ld:\n",
+ cinfo->unread_marker - JPEG_APP0, (long) length);
+ }
+
+ while (--length >= 0) {
+ ch = jpeg_getc(cinfo);
+ if (traceit) {
+ /* Emit the character in a readable form.
+ * Nonprintables are converted to \nnn form,
+ * while \ is converted to \\.
+ * Newlines in CR, CR/LF, or LF form will be printed as one newline.
+ */
+ if (ch == '\r') {
+ fprintf(stderr, "\n");
+ } else if (ch == '\n') {
+ if (lastch != '\r')
+ fprintf(stderr, "\n");
+ } else if (ch == '\\') {
+ fprintf(stderr, "\\\\");
+ } else if (isprint(ch)) {
+ putc(ch, stderr);
+ } else {
+ fprintf(stderr, "\\%03o", ch);
+ }
+ lastch = ch;
+ }
+ }
+
+ if (traceit)
+ fprintf(stderr, "\n");
+
+ return TRUE;
+}
+
+
+/*
+ * The main program.
+ */
+
+int
+main (int argc, char **argv)
+{
+ struct jpeg_decompress_struct cinfo;
+ struct jpeg_error_mgr jerr;
+#ifdef PROGRESS_REPORT
+ struct cdjpeg_progress_mgr progress;
+#endif
+ int file_index;
+ djpeg_dest_ptr dest_mgr = NULL;
+ FILE * input_file;
+ FILE * output_file;
+ JDIMENSION num_scanlines;
+
+ /* On Mac, fetch a command line. */
+#ifdef USE_CCOMMAND
+ argc = ccommand(&argv);
+#endif
+
+ progname = argv[0];
+ if (progname == NULL || progname[0] == 0)
+ progname = "djpeg"; /* in case C library doesn't provide it */
+
+ /* Initialize the JPEG decompression object with default error handling. */
+ cinfo.err = jpeg_std_error(&jerr);
+ jpeg_create_decompress(&cinfo);
+ /* Add some application-specific error messages (from cderror.h) */
+ jerr.addon_message_table = cdjpeg_message_table;
+ jerr.first_addon_message = JMSG_FIRSTADDONCODE;
+ jerr.last_addon_message = JMSG_LASTADDONCODE;
+
+ /* Insert custom marker processor for COM and APP12.
+ * APP12 is used by some digital camera makers for textual info,
+ * so we provide the ability to display it as text.
+ * If you like, additional APPn marker types can be selected for display,
+ * but don't try to override APP0 or APP14 this way (see libjpeg.doc).
+ */
+ jpeg_set_marker_processor(&cinfo, JPEG_COM, print_text_marker);
+ jpeg_set_marker_processor(&cinfo, JPEG_APP0+12, print_text_marker);
+
+ /* Now safe to enable signal catcher. */
+#ifdef NEED_SIGNAL_CATCHER
+ enable_signal_catcher((j_common_ptr) &cinfo);
+#endif
+
+ /* Scan command line to find file names. */
+ /* It is convenient to use just one switch-parsing routine, but the switch
+ * values read here are ignored; we will rescan the switches after opening
+ * the input file.
+ * (Exception: tracing level set here controls verbosity for COM markers
+ * found during jpeg_read_header...)
+ */
+
+ file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
+
+#ifdef TWO_FILE_COMMANDLINE
+ /* Must have either -outfile switch or explicit output file name */
+ if (outfilename == NULL) {
+ if (file_index != argc-2) {
+ fprintf(stderr, "%s: must name one input and one output file\n",
+ progname);
+ usage();
+ }
+ outfilename = argv[file_index+1];
+ } else {
+ if (file_index != argc-1) {
+ fprintf(stderr, "%s: must name one input and one output file\n",
+ progname);
+ usage();
+ }
+ }
+#else
+ /* Unix style: expect zero or one file name */
+ if (file_index < argc-1) {
+ fprintf(stderr, "%s: only one input file\n", progname);
+ usage();
+ }
+#endif /* TWO_FILE_COMMANDLINE */
+
+ /* Open the input file. */
+ if (file_index < argc) {
+ if ((input_file = fopen(argv[file_index], READ_BINARY)) == NULL) {
+ fprintf(stderr, "%s: can't open %s\n", progname, argv[file_index]);
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ /* default input file is stdin */
+ input_file = read_stdin();
+ }
+
+ /* Open the output file. */
+ if (outfilename != NULL) {
+ if ((output_file = fopen(outfilename, WRITE_BINARY)) == NULL) {
+ fprintf(stderr, "%s: can't open %s\n", progname, outfilename);
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ /* default output file is stdout */
+ output_file = write_stdout();
+ }
+
+#ifdef PROGRESS_REPORT
+ start_progress_monitor((j_common_ptr) &cinfo, &progress);
+#endif
+
+ /* Specify data source for decompression */
+ jpeg_stdio_src(&cinfo, input_file);
+
+ /* Read file header, set default decompression parameters */
+ (void) jpeg_read_header(&cinfo, TRUE);
+
+ /* Adjust default decompression parameters by re-parsing the options */
+ file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
+
+ /* Initialize the output module now to let it override any crucial
+ * option settings (for instance, GIF wants to force color quantization).
+ */
+ switch (requested_fmt) {
+#ifdef BMP_SUPPORTED
+ case FMT_BMP:
+ dest_mgr = jinit_write_bmp(&cinfo, FALSE);
+ break;
+ case FMT_OS2:
+ dest_mgr = jinit_write_bmp(&cinfo, TRUE);
+ break;
+#endif
+#ifdef GIF_SUPPORTED
+ case FMT_GIF:
+ dest_mgr = jinit_write_gif(&cinfo);
+ break;
+#endif
+#ifdef PPM_SUPPORTED
+ case FMT_PPM:
+ dest_mgr = jinit_write_ppm(&cinfo);
+ break;
+#endif
+#ifdef RLE_SUPPORTED
+ case FMT_RLE:
+ dest_mgr = jinit_write_rle(&cinfo);
+ break;
+#endif
+#ifdef TARGA_SUPPORTED
+ case FMT_TARGA:
+ dest_mgr = jinit_write_targa(&cinfo);
+ break;
+#endif
+ default:
+ ERREXIT(&cinfo, JERR_UNSUPPORTED_FORMAT);
+ break;
+ }
+ dest_mgr->output_file = output_file;
+
+ /* Start decompressor */
+ (void) jpeg_start_decompress(&cinfo);
+
+ /* Write output file header */
+ (*dest_mgr->start_output) (&cinfo, dest_mgr);
+
+ /* Process data */
+ while (cinfo.output_scanline < cinfo.output_height) {
+ num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
+ dest_mgr->buffer_height);
+ (*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
+ }
+
+#ifdef PROGRESS_REPORT
+ /* Hack: count final pass as done in case finish_output does an extra pass.
+ * The library won't have updated completed_passes.
+ */
+ progress.pub.completed_passes = progress.pub.total_passes;
+#endif
+
+ /* Finish decompression and release memory.
+ * I must do it in this order because output module has allocated memory
+ * of lifespan JPOOL_IMAGE; it needs to finish before releasing memory.
+ */
+ (*dest_mgr->finish_output) (&cinfo, dest_mgr);
+ (void) jpeg_finish_decompress(&cinfo);
+ jpeg_destroy_decompress(&cinfo);
+
+ /* Close files, if we opened them */
+ if (input_file != stdin)
+ fclose(input_file);
+ if (output_file != stdout)
+ fclose(output_file);
+
+#ifdef PROGRESS_REPORT
+ end_progress_monitor((j_common_ptr) &cinfo);
+#endif
+
+ /* All done. */
+ exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
+ return 0; /* suppress no-return-value warnings */
+}
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