diff options
Diffstat (limited to 'jpeg/cdjpeg.c')
| -rw-r--r-- | jpeg/cdjpeg.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/jpeg/cdjpeg.c b/jpeg/cdjpeg.c deleted file mode 100644 index b6250ff..0000000 --- a/jpeg/cdjpeg.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * cdjpeg.c - * - * 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. - * - * 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 -#ifdef USE_SETMODE -#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() */ -#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); - } else { - fprintf(stderr, "\r %3d%% ", percent_done); - } - fflush(stderr); - } -} - - -GLOBAL(void) -start_progress_monitor (j_common_ptr cinfo, cd_progress_ptr progress) -{ - /* Enable progress display, unless trace output is on */ - if (cinfo->err->trace_level == 0) { - progress->pub.progress_monitor = progress_monitor; - progress->completed_extra_passes = 0; - progress->total_extra_passes = 0; - progress->percent_done = -1; - cinfo->progress = &progress->pub; - } -} - - -GLOBAL(void) -end_progress_monitor (j_common_ptr cinfo) -{ - /* Clear away progress display */ - if (cinfo->err->trace_level == 0) { - fprintf(stderr, "\r \r"); - fflush(stderr); - } -} - -#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) -{ - 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) */ - ca = tolower(ca); - if (ca != ck) - 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 */ -} - - -/* - * 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? */ - setmode(fileno(stdin), O_BINARY); -#endif -#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? */ - setmode(fileno(stdout), O_BINARY); -#endif -#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; -} |