/* print all spaces, and only selected field numbers, on each line in turn */ bool_t fields_fun(void *user, byte_t *buf, size_t buflen) { const char_t *p, *q, *r; fields_fun_t *fft = (fields_fun_t *)user; if( fft ) { p = (char_t *)buf; q = (char_t *)(buf + buflen); while( p < q ) { if( xml_whitespace(*p) ) { fft->field_lock = FALSE; /* all whitespace is printed */ r = skip_xml_whitespace(p, q); write_stdout((byte_t *)p, (r - p)); if( memchr(p, '\n', r - p) ) { fft->fno = 0; /* reset field number if newline */ } p = r; } if( p < q ) { if( !fft->field_lock ) { fft->fno++; fft->field_lock = TRUE; } /* find end of token */ r = find_xml_whitespace(p, q); if( memberof_intervalmgr(fft->im, fft->fno) ) { write_stdout((byte_t *)p, (r - p)); } p = r; } } return TRUE; } return FALSE; }
int redir_t::redirect() { for(;;){ DWORD dw_avail = 0; if(!::PeekNamedPipe(_h_stdout_read, nullptr, 0, 0, &dw_avail, nullptr)) break; if(!dw_avail) return 1; char buff[10240]; DWORD dw_read = 0; if(!::ReadFile(_h_stdout_read, buff, min(_countof(buff)-1, dw_avail), &dw_read, nullptr)) break; buff[dw_read] = '\0'; write_stdout(buff); } DWORD dw_err = ::GetLastError(); if(dw_err == ERROR_BROKEN_PIPE || dw_err == ERROR_NO_DATA) { return 0; } return -1; }
result_t dfault(void *user, const char_t *data, size_t buflen) { parserinfo_cut_t *pinfo = (parserinfo_cut_t *)user; if( pinfo ) { write_stdout((byte_t *)data, buflen); } return PARSER_OK; }
void add_user_db(char *username, char *passwd, char *homedirectory) { char *crypt_passwd; if ((!(*username)) || (!(*passwd)) || (!(*homedirectory))) { write_stdout("<missing one or several arguments>\n"); exit(1); } crypt_passwd = crypt_pass(passwd); if (my_strcmp(crypt_passwd, "") == 0) { write_stdout("<invalid argument>\n"); exit(1); } create_user_db(username, crypt_passwd, homedirectory); }
int main(int argc, char *argv[]) { vir_machine_init(); bootstrap(); os_init(); char order[800]; int i; while (1) { echo_mip4(); mips_want_get_string(order, 799); switch(order[0]) { case 'e': sys_exec(order + 2); break; case 'f': format_disk(); write_stdout("successfully formats the disk!\n", F_WHITE, B_BLACK); break; case 'c': sys_create(order + 2); write_stdout("successfully create file\n", F_WHITE, B_BLACK); break; case 'w': // copy the file to disk! { char *name = order + 2; // only one spaces ! sys_create(name); int fid = sys_open(name); int obj_id = open(name, O_RDONLY); while (1) { int buf; if (read(obj_id, &buf, 1) == 0) break; char char_buf = (char)buf; sys_write(fid, &char_buf, 1); } sys_close(fid); write_stdout("successfully write file\n", F_WHITE, B_BLACK); break; } } } return 0; }
process_and_write_msg(unsigned char account_len, char* account, unsigned char protocol_len, char* protocol, uint32_t msg_len, char* msg, uint32_t q_id) { /* re-assemble message as single buffer */ unsigned char* buf; unsigned char* buf_head; if (msg == NULL || msg_len == 0) return; uint32_t total_len = 4 + 4 + 1 + account_len + 1 + protocol_len + 4 + msg_len; buf = malloc(total_len); buf_head = buf; *((uint32_t*)buf) = htonl(q_id); buf += 4; *((uint32_t*)buf) = htonl(total_len - 8); buf += 4; buf[0] = account_len; buf++; strncpy(buf, account, account_len); buf += account_len; buf[0] = protocol_len; buf++; strncpy(buf, protocol, protocol_len); buf += protocol_len; *((uint32_t*)buf) = htonl(msg_len); buf += 4; strncpy(buf, msg, msg_len); uint32_t written = write_stdout(buf_head, total_len); if (written == total_len) { #ifdef __DEBUGGING pthread_mutex_lock(&log_mutex); fprintf(logfd, "%s", "Msg written to stdout\n"); fflush(logfd); pthread_mutex_unlock(&log_mutex); #endif } else { pthread_mutex_lock(&log_mutex); fprintf(logfd, "Only wrote %u bytes to stdout, expected %u\n", written, total_len); fprintf(logfd, "Failed on message from account %s protocol %s contents %s\n", account, protocol, msg); fflush(logfd); pthread_mutex_unlock(&log_mutex); fprintf(stderr, "Only wrote %u bytes to stdout, expected %u\n", written, total_len); } free(buf_head); }
int main(int argc, char **argv) { char c, *user, *pwd, *homedir; user = "******"; pwd = "\0"; homedir = "\0"; write_stdout("\n\t**ADD A USER IN DATABANK**\n\n"); write_stdout("<enter your login>\n"); while ((read(STDIN_FILENO, &c, 1) != -1) && (c != '\n')) user = my_strconcat(user, c); write_stdout("<enter your password>\n"); while ((read(STDIN_FILENO, &c, 1) != -1) && (c != '\n')) pwd = my_strconcat(pwd, c); write_stdout("<enter your homedirectory>\n"); while ((read(STDIN_FILENO, &c, 1) != -1) && (c != '\n')) homedir = my_strconcat(homedir, c); add_user_db(user, pwd, homedir); write_stdout("<you are now a member of our databank>\n"); return 0; }
/* Insert utf8chars at all positions in str */ void print_permuted(char *str, int len) { int i; char *utfp = utf8chars[0]; int utfc = 0; if (len > 0) { while (utfp) { for (i = 0; i <= len; i++) { /* Before part */ write_stdout(str, i); /* The unicode 2-byte character */ write_stdout(utfp, strlen(utfp)); /* After part */ if (i < len) { write_stdout(&str[i], len - i); } write_stdout("\n", 1); } utfc++; utfp = utf8chars[utfc]; } } }
/* write Write a character to a file. `libc' subroutines will use this system routine for output to all files, including stdout Returns -1 on error or number of bytes sent */ int _write(int file, char *ptr, int len) { switch (file) { case STDOUT_FILENO: /*stdout*/ return write_stdout((const unsigned char*)ptr, (unsigned int)len); break; case STDERR_FILENO: /* stderr */ return write_stderr((const unsigned char*)ptr, (unsigned int)len); break; default: errno = EBADF; return -1; } return 0; }
void write_query_response_s(uint32_t id, unsigned char* msg, uint32_t msg_size) { uint32_t buf_size = 0; unsigned char* buf; unsigned char* buf_head; buf_size = 4 + 4 + msg_size; buf = malloc(buf_size); buf_head = buf; pthread_mutex_lock(&log_mutex); fprintf(logfd, "Writing query response to stdout -- id %u size %u msg size %u msg %s\n", id, buf_size, msg_size, msg); fflush(logfd); pthread_mutex_unlock(&log_mutex); *((uint32_t*)buf) = htonl(id); buf += 4; *((uint32_t*)buf) = htonl((uint32_t)msg_size); buf += 4; memcpy(buf, msg, msg_size); uint32_t written = buf_size; written = write_stdout(buf_head, buf_size); if (written == buf_size) { pthread_mutex_lock(&log_mutex); fprintf(logfd, "%s", "Msg written to stdout\n"); fflush(logfd); pthread_mutex_unlock(&log_mutex); } else { pthread_mutex_lock(&log_mutex); fprintf(logfd, "Only wrote %u bytes to stdout, expected %u\n", written, buf_size); fflush(logfd); pthread_mutex_unlock(&log_mutex); fprintf(stderr, "Only wrote %u bytes to stdout, expected %u\n", written, buf_size); } free(buf_head); }
/* sockfdp is a pointer to an established stream or CURL_SOCKET_BAD if sockfd is CURL_SOCKET_BAD, listendfd is a listening socket we must accept() */ static bool juggle(curl_socket_t *sockfdp, curl_socket_t listenfd, enum sockmode *mode) { struct timeval timeout; fd_set fds_read; fd_set fds_write; fd_set fds_err; curl_socket_t sockfd = CURL_SOCKET_BAD; int maxfd = -99; ssize_t rc; ssize_t nread_socket; ssize_t bytes_written; ssize_t buffer_len; int error = 0; /* 'buffer' is this excessively large only to be able to support things like test 1003 which tests exceedingly large server response lines */ unsigned char buffer[17010]; char data[16]; if(got_exit_signal) { logmsg("signalled to die, exiting..."); return FALSE; } #ifdef HAVE_GETPPID /* As a last resort, quit if sockfilt process becomes orphan. Just in case parent ftpserver process has died without killing its sockfilt children */ if(getppid() <= 1) { logmsg("process becomes orphan, exiting"); return FALSE; } #endif timeout.tv_sec = 120; timeout.tv_usec = 0; FD_ZERO(&fds_read); FD_ZERO(&fds_write); FD_ZERO(&fds_err); FD_SET((curl_socket_t)fileno(stdin), &fds_read); switch(*mode) { case PASSIVE_LISTEN: /* server mode */ sockfd = listenfd; /* there's always a socket to wait for */ FD_SET(sockfd, &fds_read); maxfd = (int)sockfd; break; case PASSIVE_CONNECT: sockfd = *sockfdp; if(CURL_SOCKET_BAD == sockfd) { /* eeek, we are supposedly connected and then this cannot be -1 ! */ logmsg("socket is -1! on %s:%d", __FILE__, __LINE__); maxfd = 0; /* stdin */ } else { /* there's always a socket to wait for */ FD_SET(sockfd, &fds_read); #ifdef USE_WINSOCK FD_SET(sockfd, &fds_err); #endif maxfd = (int)sockfd; } break; case ACTIVE: sockfd = *sockfdp; /* sockfd turns CURL_SOCKET_BAD when our connection has been closed */ if(CURL_SOCKET_BAD != sockfd) { FD_SET(sockfd, &fds_read); #ifdef USE_WINSOCK FD_SET(sockfd, &fds_err); #endif maxfd = (int)sockfd; } else { logmsg("No socket to read on"); maxfd = 0; } break; case ACTIVE_DISCONNECT: logmsg("disconnected, no socket to read on"); maxfd = 0; sockfd = CURL_SOCKET_BAD; break; } /* switch(*mode) */ do { /* select() blocking behavior call on blocking descriptors please */ rc = select(maxfd + 1, &fds_read, &fds_write, &fds_err, &timeout); if(got_exit_signal) { logmsg("signalled to die, exiting..."); return FALSE; } } while((rc == -1) && ((error = errno) == EINTR)); if(rc < 0) { logmsg("select() failed with error: (%d) %s", error, strerror(error)); return FALSE; } if(rc == 0) /* timeout */ return TRUE; if(FD_ISSET(fileno(stdin), &fds_read)) { /* read from stdin, commands/data to be dealt with and possibly passed on to the socket protocol: 4 letter command + LF [mandatory] 4-digit hexadecimal data length + LF [if the command takes data] data [the data being as long as set above] Commands: DATA - plain pass-thru data */ if(!read_stdin(buffer, 5)) return FALSE; logmsg("Received %c%c%c%c (on stdin)", buffer[0], buffer[1], buffer[2], buffer[3] ); if(!memcmp("PING", buffer, 4)) { /* send reply on stdout, just proving we are alive */ if(!write_stdout("PONG\n", 5)) return FALSE; } else if(!memcmp("PORT", buffer, 4)) { /* Question asking us what PORT number we are listening to. Replies to PORT with "IPv[num]/[port]" */ sprintf((char *)buffer, "%s/%hu\n", ipv_inuse, port); buffer_len = (ssize_t)strlen((char *)buffer); snprintf(data, sizeof(data), "PORT\n%04zx\n", buffer_len); if(!write_stdout(data, 10)) return FALSE; if(!write_stdout(buffer, buffer_len)) return FALSE; } else if(!memcmp("QUIT", buffer, 4)) { /* just die */ logmsg("quits"); return FALSE; } else if(!memcmp("DATA", buffer, 4)) { /* data IN => data OUT */ if(!read_stdin(buffer, 5)) return FALSE; buffer[5] = '\0'; buffer_len = (ssize_t)strtol((char *)buffer, NULL, 16); if (buffer_len > (ssize_t)sizeof(buffer)) { logmsg("ERROR: Buffer size (%zu bytes) too small for data size " "(%zd bytes)", sizeof(buffer), buffer_len); return FALSE; } logmsg("> %zd bytes data, server => client", buffer_len); if(!read_stdin(buffer, buffer_len)) return FALSE; lograw(buffer, buffer_len); if(*mode == PASSIVE_LISTEN) { logmsg("*** We are disconnected!"); if(!write_stdout("DISC\n", 5)) return FALSE; } else { /* send away on the socket */ bytes_written = swrite(sockfd, buffer, buffer_len); if(bytes_written != buffer_len) { logmsg("Not all data was sent. Bytes to send: %zd sent: %zd", buffer_len, bytes_written); } } } else if(!memcmp("DISC", buffer, 4)) { /* disconnect! */ if(!write_stdout("DISC\n", 5)) return FALSE; if(sockfd != CURL_SOCKET_BAD) { logmsg("====> Client forcibly disconnected"); sclose(sockfd); *sockfdp = CURL_SOCKET_BAD; if(*mode == PASSIVE_CONNECT) *mode = PASSIVE_LISTEN; else *mode = ACTIVE_DISCONNECT; } else logmsg("attempt to close already dead connection"); return TRUE; } } if((sockfd != CURL_SOCKET_BAD) && (FD_ISSET(sockfd, &fds_read)) ) { curl_socket_t newfd = CURL_SOCKET_BAD; /* newly accepted socket */ if(*mode == PASSIVE_LISTEN) { /* there's no stream set up yet, this is an indication that there's a client connecting. */ newfd = accept(sockfd, NULL, NULL); if(CURL_SOCKET_BAD == newfd) { error = SOCKERRNO; logmsg("accept(%d, NULL, NULL) failed with error: (%d) %s", sockfd, error, strerror(error)); } else { logmsg("====> Client connect"); if(!write_stdout("CNCT\n", 5)) return FALSE; *sockfdp = newfd; /* store the new socket */ *mode = PASSIVE_CONNECT; /* we have connected */ } return TRUE; } /* read from socket, pass on data to stdout */ nread_socket = sread(sockfd, buffer, sizeof(buffer)); if(nread_socket > 0) { snprintf(data, sizeof(data), "DATA\n%04zx\n", nread_socket); if(!write_stdout(data, 10)) return FALSE; if(!write_stdout(buffer, nread_socket)) return FALSE; logmsg("< %zd bytes data, client => server", nread_socket); lograw(buffer, nread_socket); } if(nread_socket <= 0 #ifdef USE_WINSOCK || FD_ISSET(sockfd, &fds_err) #endif ) { logmsg("====> Client disconnect"); if(!write_stdout("DISC\n", 5)) return FALSE; sclose(sockfd); *sockfdp = CURL_SOCKET_BAD; if(*mode == PASSIVE_CONNECT) *mode = PASSIVE_LISTEN; else *mode = ACTIVE_DISCONNECT; return TRUE; } } return TRUE; }
int main(int argc, char *argv[]) { srvr_sockaddr_union_t me; curl_socket_t sock = CURL_SOCKET_BAD; curl_socket_t msgsock = CURL_SOCKET_BAD; int wrotepidfile = 0; char *pidname= (char *)".sockfilt.pid"; bool juggle_again; int rc; int error; int arg=1; enum sockmode mode = PASSIVE_LISTEN; /* default */ const char *addr = NULL; while(argc>arg) { if(!strcmp("--version", argv[arg])) { printf("sockfilt IPv4%s\n", #ifdef ENABLE_IPV6 "/IPv6" #else "" #endif ); return 0; } else if(!strcmp("--verbose", argv[arg])) { verbose = TRUE; arg++; } else if(!strcmp("--pidfile", argv[arg])) { arg++; if(argc>arg) pidname = argv[arg++]; } else if(!strcmp("--logfile", argv[arg])) { arg++; if(argc>arg) serverlogfile = argv[arg++]; } else if(!strcmp("--ipv6", argv[arg])) { #ifdef ENABLE_IPV6 ipv_inuse = "IPv6"; use_ipv6 = TRUE; #endif arg++; } else if(!strcmp("--ipv4", argv[arg])) { /* for completeness, we support this option as well */ #ifdef ENABLE_IPV6 ipv_inuse = "IPv4"; use_ipv6 = FALSE; #endif arg++; } else if(!strcmp("--bindonly", argv[arg])) { bind_only = TRUE; arg++; } else if(!strcmp("--port", argv[arg])) { arg++; if(argc>arg) { char *endptr; unsigned long ulnum = strtoul(argv[arg], &endptr, 10); if((endptr != argv[arg] + strlen(argv[arg])) || ((ulnum != 0UL) && ((ulnum < 1025UL) || (ulnum > 65535UL)))) { fprintf(stderr, "sockfilt: invalid --port argument (%s)\n", argv[arg]); return 0; } port = curlx_ultous(ulnum); arg++; } } else if(!strcmp("--connect", argv[arg])) { /* Asked to actively connect to the specified local port instead of doing a passive server-style listening. */ arg++; if(argc>arg) { char *endptr; unsigned long ulnum = strtoul(argv[arg], &endptr, 10); if((endptr != argv[arg] + strlen(argv[arg])) || (ulnum < 1025UL) || (ulnum > 65535UL)) { fprintf(stderr, "sockfilt: invalid --connect argument (%s)\n", argv[arg]); return 0; } connectport = curlx_ultous(ulnum); arg++; } } else if(!strcmp("--addr", argv[arg])) { /* Set an IP address to use with --connect; otherwise use localhost */ arg++; if(argc>arg) { addr = argv[arg]; arg++; } } else { puts("Usage: sockfilt [option]\n" " --version\n" " --verbose\n" " --logfile [file]\n" " --pidfile [file]\n" " --ipv4\n" " --ipv6\n" " --bindonly\n" " --port [port]\n" " --connect [port]\n" " --addr [address]"); return 0; } } #ifdef WIN32 win32_init(); atexit(win32_cleanup); setmode(fileno(stdin), O_BINARY); setmode(fileno(stdout), O_BINARY); setmode(fileno(stderr), O_BINARY); #endif install_signal_handlers(); #ifdef ENABLE_IPV6 if(!use_ipv6) #endif sock = socket(AF_INET, SOCK_STREAM, 0); #ifdef ENABLE_IPV6 else sock = socket(AF_INET6, SOCK_STREAM, 0); #endif if(CURL_SOCKET_BAD == sock) { error = SOCKERRNO; logmsg("Error creating socket: (%d) %s", error, strerror(error)); write_stdout("FAIL\n", 5); goto sockfilt_cleanup; } if(connectport) { /* Active mode, we should connect to the given port number */ mode = ACTIVE; #ifdef ENABLE_IPV6 if(!use_ipv6) { #endif memset(&me.sa4, 0, sizeof(me.sa4)); me.sa4.sin_family = AF_INET; me.sa4.sin_port = htons(connectport); me.sa4.sin_addr.s_addr = INADDR_ANY; if (!addr) addr = "127.0.0.1"; Curl_inet_pton(AF_INET, addr, &me.sa4.sin_addr); rc = connect(sock, &me.sa, sizeof(me.sa4)); #ifdef ENABLE_IPV6 } else { memset(&me.sa6, 0, sizeof(me.sa6)); me.sa6.sin6_family = AF_INET6; me.sa6.sin6_port = htons(connectport); if (!addr) addr = "::1"; Curl_inet_pton(AF_INET6, addr, &me.sa6.sin6_addr); rc = connect(sock, &me.sa, sizeof(me.sa6)); } #endif /* ENABLE_IPV6 */ if(rc) { error = SOCKERRNO; logmsg("Error connecting to port %hu: (%d) %s", connectport, error, strerror(error)); write_stdout("FAIL\n", 5); goto sockfilt_cleanup; } logmsg("====> Client connect"); msgsock = sock; /* use this as stream */ } else { /* passive daemon style */ sock = sockdaemon(sock, &port); if(CURL_SOCKET_BAD == sock) { write_stdout("FAIL\n", 5); goto sockfilt_cleanup; } msgsock = CURL_SOCKET_BAD; /* no stream socket yet */ } logmsg("Running %s version", ipv_inuse); if(connectport) logmsg("Connected to port %hu", connectport); else if(bind_only) logmsg("Bound without listening on port %hu", port); else logmsg("Listening on port %hu", port); wrotepidfile = write_pidfile(pidname); if(!wrotepidfile) { write_stdout("FAIL\n", 5); goto sockfilt_cleanup; } do { juggle_again = juggle(&msgsock, sock, &mode); } while(juggle_again); sockfilt_cleanup: if((msgsock != sock) && (msgsock != CURL_SOCKET_BAD)) sclose(msgsock); if(sock != CURL_SOCKET_BAD) sclose(sock); if(wrotepidfile) unlink(pidname); restore_signal_handlers(); if(got_exit_signal) { logmsg("============> sockfilt exits with signal (%d)", exit_signal); /* * To properly set the return status of the process we * must raise the same signal SIGINT or SIGTERM that we * caught and let the old handler take care of it. */ raise(exit_signal); } logmsg("============> sockfilt quits"); return 0; }
int main (int argc, char **argv) { struct jpeg_compress_struct cinfo; struct jpeg_error_mgr jerr; #ifdef PROGRESS_REPORT struct cdjpeg_progress_mgr progress; #endif int file_index; cjpeg_source_ptr src_mgr; 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 = "cjpeg"; /* in case C library doesn't provide it */ /* Initialize the JPEG compression object with default error handling. */ cinfo.err = jpeg_std_error(&jerr); jpeg_create_compress(&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; /* Now safe to enable signal catcher. */ #ifdef NEED_SIGNAL_CATCHER enable_signal_catcher((j_common_ptr) &cinfo); #endif /* Initialize JPEG parameters. * Much of this may be overridden later. * In particular, we don't yet know the input file's color space, * but we need to provide some value for jpeg_set_defaults() to work. */ cinfo.in_color_space = JCS_RGB; /* arbitrary guess */ jpeg_set_defaults(&cinfo); /* 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. */ 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 /* Figure out the input file format, and set up to read it. */ src_mgr = select_file_type(&cinfo, input_file); src_mgr->input_file = input_file; /* Read the input file header to obtain file size & colorspace. */ (*src_mgr->start_input) (&cinfo, src_mgr); /* Now that we know input colorspace, fix colorspace-dependent defaults */ jpeg_default_colorspace(&cinfo); /* Adjust default compression parameters by re-parsing the options */ file_index = parse_switches(&cinfo, argc, argv, 0, TRUE); /* Specify data destination for compression */ jpeg_stdio_dest(&cinfo, output_file); /* Start compressor */ jpeg_start_compress(&cinfo, TRUE); /* Process data */ while (cinfo.next_scanline < cinfo.image_height) { num_scanlines = (*src_mgr->get_pixel_rows) (&cinfo, src_mgr); (void) jpeg_write_scanlines(&cinfo, src_mgr->buffer, num_scanlines); } /* Finish compression and release memory */ (*src_mgr->finish_input) (&cinfo, src_mgr); jpeg_finish_compress(&cinfo); jpeg_destroy_compress(&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 */ }
int main (int argc, char **argv) { struct jpeg_compress_struct cinfo; struct jpeg_error_mgr jerr; #ifdef PROGRESS_REPORT struct cdjpeg_progress_mgr progress; #endif int file_index; cjpeg_source_ptr src_mgr; FILE * input_file; FILE * output_file = NULL; unsigned char *outbuffer = NULL; unsigned long outsize = 0; 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 = "cjpeg"; /* in case C library doesn't provide it */ /* Initialize the JPEG compression object with default error handling. */ cinfo.err = jpeg_std_error(&jerr); jpeg_create_compress(&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; /* Now safe to enable signal catcher. */ #ifdef NEED_SIGNAL_CATCHER enable_signal_catcher((j_common_ptr) &cinfo); #endif /* Initialize JPEG parameters. * Much of this may be overridden later. * In particular, we don't yet know the input file's color space, * but we need to provide some value for jpeg_set_defaults() to work. */ cinfo.in_color_space = JCS_RGB; /* arbitrary guess */ cinfo.use_moz_defaults = TRUE; jpeg_set_defaults(&cinfo); /* 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. */ file_index = parse_switches(&cinfo, argc, argv, 0, FALSE); #ifdef TWO_FILE_COMMANDLINE if (!memdst) { /* 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 if (!memdst) { /* default output file is stdout */ output_file = write_stdout(); } #ifdef PROGRESS_REPORT start_progress_monitor((j_common_ptr) &cinfo, &progress); #endif /* Figure out the input file format, and set up to read it. */ src_mgr = select_file_type(&cinfo, input_file); src_mgr->input_file = input_file; /* Read the input file header to obtain file size & colorspace. */ (*src_mgr->start_input) (&cinfo, src_mgr); /* Now that we know input colorspace, fix colorspace-dependent defaults */ #if JPEG_RAW_READER if (!is_jpeg) #endif jpeg_default_colorspace(&cinfo); /* Adjust default compression parameters by re-parsing the options */ file_index = parse_switches(&cinfo, argc, argv, 0, TRUE); /* Specify data destination for compression */ #if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED) if (memdst) jpeg_mem_dest(&cinfo, &outbuffer, &outsize); else #endif jpeg_stdio_dest(&cinfo, output_file); /* Start compressor */ jpeg_start_compress(&cinfo, TRUE); /* Copy metadata */ if (is_jpeg) { jpeg_saved_marker_ptr marker; /* In the current implementation, we don't actually need to examine the * option flag here; we just copy everything that got saved. * But to avoid confusion, we do not output JFIF and Adobe APP14 markers * if the encoder library already wrote one. */ for (marker = src_mgr->marker_list; marker != NULL; marker = marker->next) { if (cinfo.write_JFIF_header && marker->marker == JPEG_APP0 && marker->data_length >= 5 && GETJOCTET(marker->data[0]) == 0x4A && GETJOCTET(marker->data[1]) == 0x46 && GETJOCTET(marker->data[2]) == 0x49 && GETJOCTET(marker->data[3]) == 0x46 && GETJOCTET(marker->data[4]) == 0) continue; /* reject duplicate JFIF */ if (cinfo.write_Adobe_marker && marker->marker == JPEG_APP0+14 && marker->data_length >= 5 && GETJOCTET(marker->data[0]) == 0x41 && GETJOCTET(marker->data[1]) == 0x64 && GETJOCTET(marker->data[2]) == 0x6F && GETJOCTET(marker->data[3]) == 0x62 && GETJOCTET(marker->data[4]) == 0x65) continue; /* reject duplicate Adobe */ jpeg_write_marker(&cinfo, marker->marker, marker->data, marker->data_length); } } /* Process data */ while (cinfo.next_scanline < cinfo.image_height) { num_scanlines = (*src_mgr->get_pixel_rows) (&cinfo, src_mgr); #if JPEG_RAW_READER if (is_jpeg) (void) jpeg_write_raw_data(&cinfo, src_mgr->plane_pointer, num_scanlines); else #endif (void) jpeg_write_scanlines(&cinfo, src_mgr->buffer, num_scanlines); } /* Finish compression and release memory */ (*src_mgr->finish_input) (&cinfo, src_mgr); jpeg_finish_compress(&cinfo); jpeg_destroy_compress(&cinfo); /* Close files, if we opened them */ if (input_file != stdin) fclose(input_file); if (output_file != stdout && output_file != NULL) fclose(output_file); #ifdef PROGRESS_REPORT end_progress_monitor((j_common_ptr) &cinfo); #endif if (memdst) { fprintf(stderr, "Compressed size: %lu bytes\n", outsize); if (outbuffer != NULL) free(outbuffer); } /* All done. */ exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); return 0; /* suppress no-return-value warnings */ }
int main (int argc, char **argv) { struct jpeg_decompress_struct srcinfo; struct jpeg_compress_struct dstinfo; struct jpeg_error_mgr jsrcerr, jdsterr; #ifdef PROGRESS_REPORT struct cdjpeg_progress_mgr progress; #endif jvirt_barray_ptr * src_coef_arrays; jvirt_barray_ptr * dst_coef_arrays; int file_index; FILE * input_file; FILE * output_file; /* On Mac, fetch a command line. */ #ifdef USE_CCOMMAND argc = ccommand(&argv); #endif progname = argv[0]; if (progname == NULL || progname[0] == 0) progname = "jpegtran"; /* in case C library doesn't provide it */ /* Initialize the JPEG decompression object with default error handling. */ srcinfo.err = jpeg_std_error(&jsrcerr); jpeg_create_decompress(&srcinfo); /* Initialize the JPEG compression object with default error handling. */ dstinfo.err = jpeg_std_error(&jdsterr); jpeg_create_compress(&dstinfo); /* Now safe to enable signal catcher. * Note: we assume only the decompression object will have virtual arrays. */ #ifdef NEED_SIGNAL_CATCHER enable_signal_catcher((j_common_ptr) &srcinfo); #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 mostly ignored; we will rescan the switches after * opening the input file. Also note that most of the switches affect the * destination JPEG object, so we parse into that and then copy over what * needs to affects the source too. */ file_index = parse_switches(&dstinfo, argc, argv, 0, FALSE); jsrcerr.trace_level = jdsterr.trace_level; srcinfo.mem->max_memory_to_use = dstinfo.mem->max_memory_to_use; #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) &dstinfo, &progress); #endif /* Specify data source for decompression */ jpeg_stdio_src(&srcinfo, input_file); /* Enable saving of extra markers that we want to copy */ jcopy_markers_setup(&srcinfo, copyoption); /* Read file header */ (void) jpeg_read_header(&srcinfo, TRUE); /* Any space needed by a transform option must be requested before * jpeg_read_coefficients so that memory allocation will be done right. */ #if TRANSFORMS_SUPPORTED jtransform_request_workspace(&srcinfo, &transformoption); #endif /* Read source file as DCT coefficients */ src_coef_arrays = jpeg_read_coefficients(&srcinfo); /* Initialize destination compression parameters from source values */ jpeg_copy_critical_parameters(&srcinfo, &dstinfo); /* Adjust destination parameters if required by transform options; * also find out which set of coefficient arrays will hold the output. */ #if TRANSFORMS_SUPPORTED dst_coef_arrays = jtransform_adjust_parameters(&srcinfo, &dstinfo, src_coef_arrays, &transformoption); #else dst_coef_arrays = src_coef_arrays; #endif /* Adjust default compression parameters by re-parsing the options */ file_index = parse_switches(&dstinfo, argc, argv, 0, TRUE); /* Specify data destination for compression */ jpeg_stdio_dest(&dstinfo, output_file); /* Start compressor (note no image data is actually written here) */ jpeg_write_coefficients(&dstinfo, dst_coef_arrays); /* Copy to the output file any extra markers that we want to preserve */ jcopy_markers_execute(&srcinfo, &dstinfo, copyoption); /* Execute image transformation, if any */ #if TRANSFORMS_SUPPORTED jtransform_execute_transformation(&srcinfo, &dstinfo, src_coef_arrays, &transformoption); #endif /* Finish compression and release memory */ jpeg_finish_compress(&dstinfo); jpeg_destroy_compress(&dstinfo); (void) jpeg_finish_decompress(&srcinfo); jpeg_destroy_decompress(&srcinfo); /* 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) &dstinfo); #endif /* All done. */ exit(jsrcerr.num_warnings + jdsterr.num_warnings ?EXIT_WARNING:EXIT_SUCCESS); return 0; /* suppress no-return-value warnings */ }
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; unsigned char *inbuffer = NULL; unsigned long insize = 0; 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.txt). */ jpeg_set_marker_processor(&cinfo, JPEG_COM, print_text_marker); jpeg_set_marker_processor(&cinfo, JPEG_APP0+12, print_text_marker); /* 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 */ #if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED) if (memsrc) { size_t nbytes; do { inbuffer = (unsigned char *)realloc(inbuffer, insize + INPUT_BUF_SIZE); if (inbuffer == NULL) { fprintf(stderr, "%s: memory allocation failure\n", progname); exit(EXIT_FAILURE); } nbytes = JFREAD(input_file, &inbuffer[insize], INPUT_BUF_SIZE); if (nbytes < INPUT_BUF_SIZE && ferror(input_file)) { if (file_index < argc) fprintf(stderr, "%s: can't read from %s\n", progname, argv[file_index]); else fprintf(stderr, "%s: can't read from stdin\n", progname); } insize += (unsigned long)nbytes; } while (nbytes == INPUT_BUF_SIZE); fprintf(stderr, "Compressed size: %lu bytes\n", insize); jpeg_mem_src(&cinfo, inbuffer, insize); } else #endif 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); /* Strip decode */ if (strip || skip) { JDIMENSION tmp; /* Check for valid endY. We cannot check this value until after * jpeg_start_decompress() is called. Note that we have already verified * that startY <= endY. */ if (endY > cinfo.output_height - 1) { fprintf(stderr, "%s: strip %d-%d exceeds image height %d\n", progname, startY, endY, cinfo.output_height); exit(EXIT_FAILURE); } /* Write output file header. This is a hack to ensure that the destination * manager creates an image of the proper size for the partial decode. */ tmp = cinfo.output_height; cinfo.output_height = endY - startY + 1; if (skip) cinfo.output_height = tmp - cinfo.output_height; (*dest_mgr->start_output) (&cinfo, dest_mgr); cinfo.output_height = tmp; /* Process data */ if (skip) { while (cinfo.output_scanline < startY) { num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer, dest_mgr->buffer_height); (*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines); } jpeg_skip_scanlines(&cinfo, endY - startY + 1); 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); } } else { jpeg_skip_scanlines(&cinfo, startY); while (cinfo.output_scanline <= endY) { num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer, dest_mgr->buffer_height); (*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines); } jpeg_skip_scanlines(&cinfo, cinfo.output_height - endY + 1); } /* Normal full image decode */ } else { /* 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 if (memsrc && inbuffer != NULL) free(inbuffer); /* All done. */ exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); return 0; /* suppress no-return-value warnings */ }
static void echo_mip4() { write_stdout("mip4 > ", F_WHITE, B_BLACK); }
int main (int argc, char **argv) { struct jpeg_decompress_struct srcinfo; struct jpeg_compress_struct dstinfo; struct jpeg_error_mgr jsrcerr, jdsterr; #ifdef PROGRESS_REPORT struct cdjpeg_progress_mgr progress; #endif jvirt_barray_ptr * src_coef_arrays; jvirt_barray_ptr * dst_coef_arrays; int file_index; /* We assume all-in-memory processing and can therefore use only a * single file pointer for sequential input and output operation. */ FILE * fp; unsigned char *inbuffer = NULL; unsigned long insize = 0; unsigned char *outbuffer = NULL; unsigned long outsize = 0; /* On Mac, fetch a command line. */ #ifdef USE_CCOMMAND argc = ccommand(&argv); #endif progname = argv[0]; if (progname == NULL || progname[0] == 0) progname = "jpegtran"; /* in case C library doesn't provide it */ /* Initialize the JPEG decompression object with default error handling. */ srcinfo.err = jpeg_std_error(&jsrcerr); jpeg_create_decompress(&srcinfo); /* Initialize the JPEG compression object with default error handling. */ dstinfo.err = jpeg_std_error(&jdsterr); jpeg_create_compress(&dstinfo); dstinfo.use_moz_defaults = TRUE; /* Scan command line to find file names. * It is convenient to use just one switch-parsing routine, but the switch * values read here are mostly ignored; we will rescan the switches after * opening the input file. Also note that most of the switches affect the * destination JPEG object, so we parse into that and then copy over what * needs to affects the source too. */ file_index = parse_switches(&dstinfo, argc, argv, 0, FALSE); jsrcerr.trace_level = jdsterr.trace_level; srcinfo.mem->max_memory_to_use = dstinfo.mem->max_memory_to_use; #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 ((fp = fopen(argv[file_index], READ_BINARY)) == NULL) { fprintf(stderr, "%s: can't open %s for reading\n", progname, argv[file_index]); exit(EXIT_FAILURE); } } else { /* default input file is stdin */ fp = read_stdin(); } #ifdef PROGRESS_REPORT start_progress_monitor((j_common_ptr) &dstinfo, &progress); #endif /* Specify data source for decompression */ memsrc = dstinfo.use_moz_defaults; /* needed to revert to original */ #if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED) if (memsrc) { size_t nbytes; do { inbuffer = (unsigned char *)realloc(inbuffer, insize + INPUT_BUF_SIZE); if (inbuffer == NULL) { fprintf(stderr, "%s: memory allocation failure\n", progname); exit(EXIT_FAILURE); } nbytes = JFREAD(fp, &inbuffer[insize], INPUT_BUF_SIZE); if (nbytes < INPUT_BUF_SIZE && ferror(fp)) { if (file_index < argc) fprintf(stderr, "%s: can't read from %s\n", progname, argv[file_index]); else fprintf(stderr, "%s: can't read from stdin\n", progname); } insize += (unsigned long)nbytes; } while (nbytes == INPUT_BUF_SIZE); jpeg_mem_src(&srcinfo, inbuffer, insize); } else #endif jpeg_stdio_src(&srcinfo, fp); /* Enable saving of extra markers that we want to copy */ jcopy_markers_setup(&srcinfo, copyoption); /* Read file header */ (void) jpeg_read_header(&srcinfo, TRUE); /* Any space needed by a transform option must be requested before * jpeg_read_coefficients so that memory allocation will be done right. */ #if TRANSFORMS_SUPPORTED /* Fail right away if -perfect is given and transformation is not perfect. */ if (!jtransform_request_workspace(&srcinfo, &transformoption)) { fprintf(stderr, "%s: transformation is not perfect\n", progname); exit(EXIT_FAILURE); } #endif /* Read source file as DCT coefficients */ src_coef_arrays = jpeg_read_coefficients(&srcinfo); /* Initialize destination compression parameters from source values */ jpeg_copy_critical_parameters(&srcinfo, &dstinfo); /* Adjust destination parameters if required by transform options; * also find out which set of coefficient arrays will hold the output. */ #if TRANSFORMS_SUPPORTED dst_coef_arrays = jtransform_adjust_parameters(&srcinfo, &dstinfo, src_coef_arrays, &transformoption); #else dst_coef_arrays = src_coef_arrays; #endif /* Close input file, if we opened it. * Note: we assume that jpeg_read_coefficients consumed all input * until JPEG_REACHED_EOI, and that jpeg_finish_decompress will * only consume more while (! cinfo->inputctl->eoi_reached). * We cannot call jpeg_finish_decompress here since we still need the * virtual arrays allocated from the source object for processing. */ if (fp != stdin) fclose(fp); /* Open the output file. */ if (outfilename != NULL) { if ((fp = fopen(outfilename, WRITE_BINARY)) == NULL) { fprintf(stderr, "%s: can't open %s for writing\n", progname, outfilename); exit(EXIT_FAILURE); } } else { /* default output file is stdout */ fp = write_stdout(); } /* Adjust default compression parameters by re-parsing the options */ file_index = parse_switches(&dstinfo, argc, argv, 0, TRUE); /* Specify data destination for compression */ #if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED) if (dstinfo.use_moz_defaults) jpeg_mem_dest(&dstinfo, &outbuffer, &outsize); else #endif jpeg_stdio_dest(&dstinfo, fp); /* Start compressor (note no image data is actually written here) */ jpeg_write_coefficients(&dstinfo, dst_coef_arrays); /* Copy to the output file any extra markers that we want to preserve */ jcopy_markers_execute(&srcinfo, &dstinfo, copyoption); /* Execute image transformation, if any */ #if TRANSFORMS_SUPPORTED jtransform_execute_transformation(&srcinfo, &dstinfo, src_coef_arrays, &transformoption); #endif /* Finish compression and release memory */ jpeg_finish_compress(&dstinfo); if (dstinfo.use_moz_defaults) { size_t nbytes; unsigned char *buffer = outbuffer; unsigned long size = outsize; if (insize < size) { size = insize; buffer = inbuffer; } nbytes = JFWRITE(fp, buffer, size); if (nbytes < size && ferror(fp)) { if (file_index < argc) fprintf(stderr, "%s: can't write to %s\n", progname, argv[file_index]); else fprintf(stderr, "%s: can't write to stdout\n", progname); } } jpeg_destroy_compress(&dstinfo); (void) jpeg_finish_decompress(&srcinfo); jpeg_destroy_decompress(&srcinfo); /* Close output file, if we opened it */ if (fp != stdout) fclose(fp); #ifdef PROGRESS_REPORT end_progress_monitor((j_common_ptr) &dstinfo); #endif /* All done. */ exit(jsrcerr.num_warnings + jdsterr.num_warnings ?EXIT_WARNING:EXIT_SUCCESS); return 0; /* suppress no-return-value warnings */ }
int gather_statistics(__u8 *icmph, int icmplen, int cc, __u16 seq, int hops, int csfailed, struct timeval *tv, char *from, void (*pr_reply)(__u8 *icmph, int cc)) { int dupflag = 0; long triptime = 0; __u8 *ptr = icmph + icmplen; ++nreceived; if (!csfailed) acknowledge(seq); if (timing && cc >= 8+sizeof(struct timeval)) { struct timeval tmp_tv; memcpy(&tmp_tv, ptr, sizeof(tmp_tv)); restamp: tvsub(tv, &tmp_tv); triptime = tv->tv_sec * 1000000 + tv->tv_usec; if (triptime < 0) { fprintf(stderr, "Warning: time of day goes back (%ldus), taking countermeasures.\n", triptime); triptime = 0; if (!(options & F_LATENCY)) { gettimeofday(tv, NULL); options |= F_LATENCY; goto restamp; } } if (!csfailed) { tsum += triptime; tsum2 += (long long)triptime * (long long)triptime; if (triptime < tmin) tmin = triptime; if (triptime > tmax) tmax = triptime; if (!rtt) rtt = triptime*8; else rtt += triptime-rtt/8; if (options&F_ADAPTIVE) update_interval(); } } if (csfailed) { ++nchecksum; --nreceived; } else if (rcvd_test(seq)) { ++nrepeats; --nreceived; dupflag = 1; } else { rcvd_set(seq); dupflag = 0; } confirm = confirm_flag; if (options & F_QUIET) return 1; if (options & F_FLOOD) { if (!csfailed) write_stdout("\b \b", 3); else write_stdout("\bC", 2); } else { int i; __u8 *cp, *dp; print_timestamp(); printf("%d bytes from %s:", cc, from); if (pr_reply) pr_reply(icmph, cc); if (hops >= 0) printf(" ttl=%d", hops); if (cc < datalen+8) { printf(" (truncated)\n"); return 1; } if (timing) { if (triptime >= 100000) printf(" time=%ld ms", triptime/1000); else if (triptime >= 10000) printf(" time=%ld.%01ld ms", triptime/1000, (triptime%1000)/100); else if (triptime >= 1000) printf(" time=%ld.%02ld ms", triptime/1000, (triptime%1000)/10); else printf(" time=%ld.%03ld ms", triptime/1000, triptime%1000); } if (dupflag) printf(" (DUP!)"); if (csfailed) printf(" (BAD CHECKSUM!)"); /* check the data */ cp = ((u_char*)ptr) + sizeof(struct timeval); dp = &outpack[8 + sizeof(struct timeval)]; for (i = sizeof(struct timeval); i < datalen; ++i, ++cp, ++dp) { if (*cp != *dp) { printf("\nwrong data byte #%d should be 0x%x but was 0x%x", i, *dp, *cp); cp = (u_char*)ptr + sizeof(struct timeval); for (i = sizeof(struct timeval); i < datalen; ++i, ++cp) { if ((i % 32) == sizeof(struct timeval)) printf("\n#%d\t", i); printf("%x ", *cp); } break; } } } return 0; }
/* * pinger -- * Compose and transmit an ICMP ECHO REQUEST packet. The IP packet * will be added on by the kernel. The ID field is our UNIX process ID, * and the sequence number is an ascending integer. The first 8 bytes * of the data portion are used to hold a UNIX "timeval" struct in VAX * byte-order, to compute the round-trip time. */ int pinger(void) { static int oom_count; static int tokens; int i; /* Have we already sent enough? If we have, return an arbitrary positive value. */ if (exiting || (npackets && ntransmitted >= npackets && !deadline)) return 1000; /* Check that packets < rate*time + preload */ if (cur_time.tv_sec == 0) { gettimeofday(&cur_time, NULL); tokens = interval*(preload-1); } else { long ntokens; struct timeval tv; gettimeofday(&tv, NULL); ntokens = (tv.tv_sec - cur_time.tv_sec)*1000 + (tv.tv_usec-cur_time.tv_usec)/1000; if (!interval) { /* Case of unlimited flood is special; * if we see no reply, they are limited to 100pps */ if (ntokens < MININTERVAL && in_flight() >= preload) return MININTERVAL-ntokens; } ntokens += tokens; if (ntokens > interval*preload) ntokens = interval*preload; if (ntokens < interval) return interval - ntokens; cur_time = tv; tokens = ntokens - interval; } if (options & F_OUTSTANDING) { if (ntransmitted > 0 && !rcvd_test(ntransmitted)) { print_timestamp(); printf("no answer yet for icmp_seq=%lu\n", (ntransmitted % MAX_DUP_CHK)); fflush(stdout); } } resend: i = send_probe(); if (i == 0) { oom_count = 0; advance_ntransmitted(); if (!(options & F_QUIET) && (options & F_FLOOD)) { /* Very silly, but without this output with * high preload or pipe size is very confusing. */ if ((preload < screen_width && pipesize < screen_width) || in_flight() < screen_width) write_stdout(".", 1); } return interval - tokens; } /* And handle various errors... */ if (i > 0) { /* Apparently, it is some fatal bug. */ abort(); } else if (errno == ENOBUFS || errno == ENOMEM) { int nores_interval; /* Device queue overflow or OOM. Packet is not sent. */ tokens = 0; /* Slowdown. This works only in adaptive mode (option -A) */ rtt_addend += (rtt < 8*50000 ? rtt/8 : 50000); if (options&F_ADAPTIVE) update_interval(); nores_interval = SCHINT(interval/2); if (nores_interval > 500) nores_interval = 500; oom_count++; if (oom_count*nores_interval < lingertime) return nores_interval; i = 0; /* Fall to hard error. It is to avoid complete deadlock * on stuck output device even when dealine was not requested. * Expected timings are screwed up in any case, but we will * exit some day. :-) */ } else if (errno == EAGAIN) { /* Socket buffer is full. */ tokens += interval; return MININTERVAL; } else { if ((i=receive_error_msg()) > 0) { /* An ICMP error arrived. */ tokens += interval; return MININTERVAL; } /* Compatibility with old linuces. */ if (i == 0 && confirm_flag && errno == EINVAL) { confirm_flag = 0; errno = 0; } if (!errno) goto resend; } /* Hard local error. Pretend we sent packet. */ advance_ntransmitted(); if (i == 0 && !(options & F_QUIET)) { if (options & F_FLOOD) write_stdout("E", 1); else perror("ping: sendmsg"); } tokens = 0; return SCHINT(interval); }
bool output_stream::push(uint8_t* p_data, int size) { #if TUNER_RESOURCE_SHARING if ((0 == (((p_data[1] & 0x1f) << 8) | p_data[2])) && (188 == size)) { if (!have_pat) { memcpy(pat_pkt, p_data, 188); have_pat = true; } if (ringbuffer.write(pat_pkt, 188)) { count_in += 188; return true; } else { fprintf(stderr, "%s> FAILED: PAT Table (%d bytes) dropped\n", __func__, 188); } } else if (want_pkt(p_data)) { #else if ((0 == (((p_data[1] & 0x1f) << 8) | p_data[2])) || (want_pkt(p_data))) { #endif /* push data into output_stream buffer */ if (!ringbuffer.write(p_data, size)) while (size >= 188) if (ringbuffer.write(p_data, 188)) { p_data += 188; size -= 188; count_in += 188; } else { fprintf(stderr, "%s> FAILED: %d bytes dropped\n", __func__, size); #if 0 dPrintf("(push-false-stream) %d packets in, %d packets out, %d packets remain in rbuf", count_in / 188, count_out / 188, ringbuffer.get_size() / 188); #endif return false; } else count_in += size; #if 0 dPrintf("(push-true-stream) %d packets in, %d packets out, %d packets remain in rbuf", count_in / 188, count_out / 188, ringbuffer.get_size() / 188); #endif } return true; } int output_stream::stream(uint8_t* p_data, int size) { int ret = -1; if ((!p_data) || (!size)) dPrintf("no data to stream!!!"); /* stream data to target */ else switch (stream_method) { case OUTPUT_STREAM_UDP: if (!priv) dPrintf("no priv - should never happen!!!"); else ret = socket_send(sock, p_data, size, 0, (struct sockaddr*) &priv->ip_addr, sizeof(priv->ip_addr)); break; case OUTPUT_STREAM_TCP: if (!priv) dPrintf("no priv - should never happen!!!"); else ret = socket_send(sock, p_data, size, 0); if (ret < 0) { stop_without_wait(); perror("tcp streaming failed"); } break; case OUTPUT_STREAM_FILE: ret = write(sock, p_data, size); if (ret < 0) { stop_without_wait(); perror("file streaming failed"); } break; case OUTPUT_STREAM_HTTP: ret = stream_http_chunk(sock, p_data, size); if (ret < 0) { stop_without_wait(); perror("http streaming failed"); } break; case OUTPUT_STREAM_FUNC: if (stream_cb) ret = stream_cb(stream_cb_priv, p_data, size); if (ret < 0) { stop_without_wait(); perror("streaming via callback failed"); } break; case OUTPUT_STREAM_INTF: if (m_iface) ret = m_iface->stream(p_data, size); if (ret < 0) { stop_without_wait(); perror("streaming via interface failed"); } break; case OUTPUT_STREAM_STDOUT: ret = write_stdout(p_data, size); if (ret != size) { stop_without_wait(); perror("dump to stdout failed"); } break; } return ret; }
int main (int argc, char **argv) { struct jpeg_decompress_struct srcinfo; struct jpeg_compress_struct dstinfo; struct jpeg_error_mgr jsrcerr, jdsterr; #ifdef PROGRESS_REPORT struct cdjpeg_progress_mgr progress; #endif jvirt_barray_ptr * src_coef_arrays; jvirt_barray_ptr * dst_coef_arrays; int file_index; FILE * input_file; FILE * output_file; #ifdef USE_CCOMMAND argc = ccommand(&argv); #endif progname = argv[0]; if (progname == NULL || progname[0] == 0) progname = "jpegtran"; srcinfo.err = jpeg_std_error(&jsrcerr); jpeg_create_decompress(&srcinfo); dstinfo.err = jpeg_std_error(&jdsterr); jpeg_create_compress(&dstinfo); #ifdef NEED_SIGNAL_CATCHER enable_signal_catcher((j_common_ptr) &srcinfo); #endif file_index = parse_switches(&dstinfo, argc, argv, 0, FALSE); jsrcerr.trace_level = jdsterr.trace_level; srcinfo.mem->max_memory_to_use = dstinfo.mem->max_memory_to_use; #ifdef TWO_FILE_COMMANDLINE 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 if (file_index < argc-1) { fprintf(stderr, "%s: only one input file\n", progname); usage(); } #endif 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 { input_file = read_stdin(); } 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 { output_file = write_stdout(); } #ifdef PROGRESS_REPORT start_progress_monitor((j_common_ptr) &dstinfo, &progress); #endif jpeg_stdio_src(&srcinfo, input_file); jcopy_markers_setup(&srcinfo, copyoption); (void) jpeg_read_header(&srcinfo, TRUE); #if TRANSFORMS_SUPPORTED jtransform_request_workspace(&srcinfo, &transformoption); #endif src_coef_arrays = jpeg_read_coefficients(&srcinfo); jpeg_copy_critical_parameters(&srcinfo, &dstinfo); #if TRANSFORMS_SUPPORTED dst_coef_arrays = jtransform_adjust_parameters(&srcinfo, &dstinfo, src_coef_arrays, &transformoption); #else dst_coef_arrays = src_coef_arrays; #endif file_index = parse_switches(&dstinfo, argc, argv, 0, TRUE); jpeg_stdio_dest(&dstinfo, output_file); /* Start compressor (note no image data is actually written here) */ jpeg_write_coefficients(&dstinfo, dst_coef_arrays); jcopy_markers_execute(&srcinfo, &dstinfo, copyoption); #if TRANSFORMS_SUPPORTED jtransform_execute_transformation(&srcinfo, &dstinfo, src_coef_arrays, &transformoption); #endif jpeg_finish_compress(&dstinfo); jpeg_destroy_compress(&dstinfo); (void) jpeg_finish_decompress(&srcinfo); jpeg_destroy_decompress(&srcinfo); if (input_file != stdin) fclose(input_file); if (output_file != stdout) fclose(output_file); #ifdef PROGRESS_REPORT end_progress_monitor((j_common_ptr) &dstinfo); #endif exit(jsrcerr.num_warnings + jdsterr.num_warnings ?EXIT_WARNING:EXIT_SUCCESS); return 0; }
int main (int argc, char **argv) { struct jpegxr_file_struct finfo; 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-xr"; /* in case C library doesn't provide it */ /* Initialize the JPEG-XR file decompression object with default error * handling. */ finfo.err = jpeg_std_error(&jerr); jpegxr_file_create_decompress(&finfo); /* 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; /* Now safe to enable signal catcher. */ #ifdef NEED_SIGNAL_CATCHER enable_signal_catcher((j_common_ptr) &finfo); #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(&finfo, 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) &finfo, &progress); #endif /* Specify data source for decompression */ jpeg_stdio_src((j_common_ptr) &finfo, input_file); /* Read file header */ (void) jpegxr_file_read_metadata(&finfo); /* TODO - initialise the output module here */ /* Start decompressor */ (void) jpegxr_file_start_decompress(&finfo); /* Write output file header */ //(*dest_mgr->start_output) (&finfo, dest_mgr); /* TODO - process data, equivalent to jpeg_read_scanlines() */ //(*dest_mgr->finish_output) (&finfo, dest_mgr); /* Finish decompression and release memory. * Must be done in this order because output module has allocated memory * of lifespan JPOOL_IMAGE; it needs to finish before releasing memory. */ (void) jpegxr_file_finish_decompress(&finfo); jpegxr_file_destroy(&finfo); /* 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) &finfo); #endif /* All done. */ exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); return 0; /* suppress no-return-value warnings */ }
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 */ }
int startup (int argc, char **argv) { struct jpeg_decompress_struct srcinfo; struct jpeg_compress_struct dstinfo; struct jpeg_error_mgr jsrcerr, jdsterr; #ifdef PROGRESS_REPORT struct cdjpeg_progress_mgr progress; #endif jvirt_barray_ptr * coef_arrays; int file_index; FILE * input_file; FILE * output_file; /* On Mac, fetch a command line. */ #ifdef USE_CCOMMAND argc = ccommand(&argv); #endif progname = argv[0]; if (progname == NULL || progname[0] == 0) progname = "jpegtran"; /* in case C library doesn't provide it */ /* Initialize the JPEG decompression object with default error handling. */ srcinfo.err = jpeg_std_error(&jsrcerr); jpeg_create_decompress(&srcinfo); /* Initialize the JPEG compression object with default error handling. */ dstinfo.err = jpeg_std_error(&jdsterr); jpeg_create_compress(&dstinfo); /* Now safe to enable signal catcher. * Note: we assume only the decompression object will have virtual arrays. */ #ifdef NEED_SIGNAL_CATCHER enable_signal_catcher((j_common_ptr) &srcinfo); #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. */ file_index = parse_switches(&dstinfo, argc, argv, 0, FALSE); jsrcerr.trace_level = jdsterr.trace_level; srcinfo.mem->max_memory_to_use = dstinfo.mem->max_memory_to_use; #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) &dstinfo, &progress); #endif /* Specify data source for decompression */ jpeg_stdio_src(&srcinfo, input_file); /* Read file header */ (void) jpeg_read_header(&srcinfo, TRUE); /* Read source file as DCT coefficients */ coef_arrays = jpeg_read_coefficients(&srcinfo); /* Initialize destination compression parameters from source values */ jpeg_copy_critical_parameters(&srcinfo, &dstinfo); /* Adjust default compression parameters by re-parsing the options */ file_index = parse_switches(&dstinfo, argc, argv, 0, TRUE); /* Specify data destination for compression */ jpeg_stdio_dest(&dstinfo, output_file); /* Start compressor */ jpeg_write_coefficients(&dstinfo, coef_arrays); /* ought to copy source comments here... */ /* Finish compression and release memory */ jpeg_finish_compress(&dstinfo); jpeg_destroy_compress(&dstinfo); (void) jpeg_finish_decompress(&srcinfo); jpeg_destroy_decompress(&srcinfo); /* 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) &dstinfo); #endif /* All done. */ exit(jsrcerr.num_warnings + jdsterr.num_warnings ?EXIT_WARNING:EXIT_SUCCESS); return 0; /* suppress no-return-value warnings */ }