main(int argc, char *argv[]) { long sts ; int i; char str[256] ; int key_id ; unsigned short res_len ; $DESCRIPTOR ( device_desc , "sys$input" ); $DESCRIPTOR ( outdevice_desc , "sys$output" ); $DESCRIPTOR ( prompt_desc , "tlog> " ); struct dsc$descriptor_s str_desc = {sizeof(str)-1,DSC$K_DTYPE_T, DSC$K_CLASS_S, }; str_desc.dsc$a_pointer = str; /* avanti */ /* If arguments, treat them as a command and then exit */ if ( argc >= 2 ) { str[0] = 0; for ( i = 1; i < argc; i++) { if ( i != 1) strcat( str, " "); strcat( str, argv[i]); } sts = cli$dcl_parse ( &str_desc , tlog_cld, 0, 0 , 0 ) ; /* send the command to the rtn associated */ if ( sts == CLI$_NORMAL ) sts = cli$dispatch(); sutil_msg( sts); exit(sts); } /* init input */ sts = smg$create_virtual_keyboard ( &key_id , &device_desc , 0 ,0, 0 ); while ( 1 ) { /* get and parse the command */ /* get input */ sts = smg$read_composed_line ( &key_id , 0, &str_desc , &prompt_desc , &res_len); if ( res_len == 0) continue; if ( !(sts && 1 ) ) lib$signal (sts ) ; str[res_len] = 0 ; sts = cli$dcl_parse ( &str_desc , tlog_cld, 0, 0 , 0 ) ; /* send the command to the rtn associated */ if ( sts == CLI$_NORMAL ) { sts = cli$dispatch ( ) ; sutil_msg( sts); } } }
int main(int argc, char **argv) #endif { int i; #ifdef LINUXVGA LINUX_setup(); /* setup VGA before dropping privilege DBT 4/5/99 */ drop_privilege(); #endif /* make sure that we really have revoked root access, this might happen if gnuplot is compiled without vga support but is installed suid by mistake */ #ifdef __linux__ setuid(getuid()); #endif #if defined(MSDOS) && !defined(_Windows) && !defined(__GNUC__) PC_setup(); #endif /* MSDOS !Windows */ /* HBB: Seems this isn't needed any more for DJGPP V2? */ /* HBB: disable all floating point exceptions, just keep running... */ #if defined(DJGPP) && (DJGPP!=2) _control87(MCW_EM, MCW_EM); #endif #if defined(OS2) int rc; #ifdef OS2_IPC char semInputReadyName[40]; sprintf( semInputReadyName, "\\SEM32\\GP%i_Input_Ready", getpid() ); rc = DosCreateEventSem(semInputReadyName,&semInputReady,0,0); if (rc != 0) fputs("DosCreateEventSem error\n",stderr); #endif rc = RexxRegisterSubcomExe("GNUPLOT", (PFN) RexxInterface, NULL); #endif /* malloc large blocks, otherwise problems with fragmented mem */ #ifdef MALLOCDEBUG malloc_debug(7); #endif /* get helpfile from home directory */ #ifdef __DJGPP__ { char *s; strcpy(HelpFile, argv[0]); for (s = HelpFile; *s; s++) if (*s == DIRSEP1) *s = DIRSEP2; /* '\\' to '/' */ strcpy(strrchr(HelpFile, DIRSEP2), "/gnuplot.gih"); } /* Add also some "paranoid" tests for '\\': AP */ #endif /* DJGPP */ #ifdef VMS unsigned int status[2] = { 1, 0 }; #endif #if defined(HAVE_LIBEDITLINE) rl_getc_function = getc_wrapper; #endif #if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE) /* T.Walter 1999-06-24: 'rl_readline_name' must be this fix name. * It is used to parse a 'gnuplot' specific section in '~/.inputrc' * or gnuplot specific commands in '.editrc' (when using editline * instead of readline) */ rl_readline_name = "Gnuplot"; rl_terminal_name = getenv("TERM"); using_history(); #endif #if defined(HAVE_LIBREADLINE) && !defined(MISSING_RL_TILDE_EXPANSION) rl_complete_with_tilde_expansion = 1; #endif for (i = 1; i < argc; i++) { if (!argv[i]) continue; if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) { printf("gnuplot %s patchlevel %s\n", gnuplot_version, gnuplot_patchlevel); return 0; } else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) { printf( "Usage: gnuplot [OPTION]... [FILE]\n" #ifdef X11 "for X11 options see 'help X11->command-line-options'\n" #endif " -V, --version\n" " -h, --help\n" " -p --persist\n" " -e \"command1; command2; ...\"\n" "gnuplot %s patchlevel %s\n" #ifdef DIST_CONTACT "Report bugs to "DIST_CONTACT"\n" " or %s\n", #else "Report bugs to %s\n", #endif gnuplot_version, gnuplot_patchlevel, bug_email); return 0; } else if (!strncmp(argv[i], "-persist", 2) || !strcmp(argv[i], "--persist")) { persist_cl = TRUE; } } #ifdef X11 /* the X11 terminal removes tokens that it recognizes from argv. */ { int n = X11_args(argc, argv); argv += n; argc -= n; } #endif setbuf(stderr, (char *) NULL); #ifdef HAVE_SETVBUF /* this was once setlinebuf(). Docs say this is * identical to setvbuf(,NULL,_IOLBF,0), but MS C * faults this (size out of range), so we try with * size of 1024 instead. [SAS/C does that, too. -lh] * Failing this, I propose we just make the call and * ignore the return : its probably not a big deal */ if (setvbuf(stdout, (char *) NULL, _IOLBF, (size_t) 1024) != 0) (void) fputs("Could not linebuffer stdout\n", stderr); #ifdef X11 /* This call used to be in x11.trm, with the following comment: * Multi-character inputs like escape sequences but also mouse-pasted * text got buffered and therefore didn't trigger the select() function * in X11_waitforinput(). Switching to unbuffered input solved this. * 23 Jan 2002 (joze) * But switching to unbuffered mode causes all characters in the input * buffer to be lost. So the only safe time to do it is on program entry. * The #ifdef X11 is probably unnecessary, but makes the change minimal. * Do any non-X platforms suffer from the same problem? * EAM - Jan 2004. */ setvbuf(stdin, (char *) NULL, _IONBF, 0); #endif #endif gpoutfile = stdout; /* Initialize pre-loaded user variables */ (void) Gcomplex(&udv_pi.udv_value, M_PI, 0.0); udv_NaN = add_udv_by_name("NaN"); (void) Gcomplex(&(udv_NaN->udv_value), not_a_number(), 0.0); udv_NaN->udv_undef = FALSE; init_memory(); interactive = FALSE; init_terminal(); /* can set term type if it likes */ push_terminal(0); /* remember the default terminal */ /* reset the terminal when exiting */ /* this is done through gp_atexit so that other terminal functions * can be registered to be executed before the terminal is reset. */ GP_ATEXIT(term_reset); # if defined(_Windows) && ! defined(WGP_CONSOLE) interactive = TRUE; # else interactive = isatty(fileno(stdin)); # endif if (argc > 1) interactive = noinputfiles = FALSE; else noinputfiles = TRUE; /* Need this before show_version is called for the first time */ #ifdef HAVE_SYS_UTSNAME_H { struct utsname uts; /* something is fundamentally wrong if this fails ... */ if (uname(&uts) > -1) { # ifdef _AIX strcpy(os_name, uts.sysname); sprintf(os_name, "%s.%s", uts.version, uts.release); # elif defined(SCO) strcpy(os_name, "SCO"); strcpy(os_rel, uts.release); # elif defined(DJGPP) if (!strncmp(uts.sysname, "??Un", 4)) /* don't print ??Unknow" */ strcpy(os_name, "Unknown"); else { strcpy(os_name, uts.sysname); strcpy(os_rel, uts.release); } # else strcpy(os_name, uts.sysname); strcpy(os_rel, uts.release); # ifdef OS2 if (!strchr(os_rel,'.')) /* write either "2.40" or "4.0", or empty -- don't print "OS/2 1" */ strcpy(os_rel, ""); # endif # endif } } #else /* ! HAVE_SYS_UTSNAME_H */ strcpy(os_name, OS); strcpy(os_rel, ""); #endif /* HAVE_SYS_UTSNAME_H */ if (interactive) show_version(stderr); else show_version(NULL); /* Only load GPVAL_COMPILE_OPTIONS */ #ifdef WGP_CONSOLE #ifdef CONSOLE_SWITCH_CP if (cp_changed && interactive) { fprintf(stderr, "\ngnuplot changed the codepage of this console from %i to %i to\n" \ "match the graph window. Some characters might only display correctly\n" \ "if you change the font to a non-raster type.\n", cp_input, GetConsoleCP()); } #else if ((GetConsoleCP() != GetACP()) && interactive) { fprintf(stderr, "\nWarning: The codepage of the graph window (%i) and that of the\n" \ "console (%i) differ. Use `set encoding` or `!chcp` if extended\n" \ "characters don't display correctly.\n", GetACP(), GetConsoleCP()); } #endif #endif update_gpval_variables(3); /* update GPVAL_ variables available to user */ #ifdef VMS /* initialise screen management routines for command recall */ if (status[1] = smg$create_virtual_keyboard(&vms_vkid) != SS$_NORMAL) done(status[1]); if (status[1] = smg$create_key_table(&vms_ktid) != SS$_NORMAL) done(status[1]); #endif /* VMS */ if (!SETJMP(command_line_env, 1)) { /* first time */ interrupt_setup(); /* should move this stuff another initialisation routine, * something like init_set() maybe */ get_user_env(); init_loadpath(); init_locale(); /* HBB: make sure all variables start in the same mode 'reset' * would set them to. Since the axis variables aren't in * initialized arrays any more, this is now necessary... */ reset_command(); init_color(); /* Initialization of color */ load_rcfile(); init_fit(); /* Initialization of fitting module */ if (interactive && term != 0) { /* not unknown */ #ifdef GNUPLOT_HISTORY FPRINTF((stderr, "Before read_history\n")); #if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE) expanded_history_filename = tilde_expand(GNUPLOT_HISTORY_FILE); #else expanded_history_filename = gp_strdup(GNUPLOT_HISTORY_FILE); gp_expand_tilde(&expanded_history_filename); #endif FPRINTF((stderr, "expanded_history_filename = %s\n", expanded_history_filename)); read_history(expanded_history_filename); { /* BEGIN: Go local to get environment variable */ const char *temp_env = getenv ("GNUPLOT_HISTORY_SIZE"); if (temp_env) gnuplot_history_size = strtol (temp_env, (char **) NULL, 10); } /* END: Go local to get environment variable */ /* * It is safe to ignore the return values of 'atexit()' and * 'on_exit()'. In the worst case, there is no history of your * currrent session and you have to type all again in your next * session. * This is the default behaviour (traditional reasons), too. * In case you don't have one of these functions, or you don't * want to use them, 'write_history()' is called directly. */ GP_ATEXIT(wrapper_for_write_history); #endif /* GNUPLOT_HISTORY */ fprintf(stderr, "\nTerminal type set to '%s'\n", term->name); } /* if (interactive && term != 0) */ } else { /* come back here from int_error() */ if (interactive == FALSE) exit_status = EXIT_FAILURE; #ifdef HAVE_READLINE_RESET else { /* reset properly readline after a SIGINT+longjmp */ rl_reset_after_signal (); } #endif load_file_error(); /* if we were in load_file(), cleanup */ SET_CURSOR_ARROW; #ifdef VMS /* after catching interrupt */ /* VAX stuffs up stdout on SIGINT while writing to stdout, so reopen stdout. */ if (gpoutfile == stdout) { if ((stdout = freopen("SYS$OUTPUT", "w", stdout)) == NULL) { /* couldn't reopen it so try opening it instead */ if ((stdout = fopen("SYS$OUTPUT", "w")) == NULL) { /* don't use int_error here - causes infinite loop! */ fputs("Error opening SYS$OUTPUT as stdout\n", stderr); } } gpoutfile = stdout; } #endif /* VMS */ if (!interactive && !noinputfiles) { term_reset(); exit(EXIT_FAILURE); /* exit on non-interactive error */ } } if (argc > 1) { #ifdef _Windows TBOOLEAN noend = persist_cl; #endif /* load filenames given as arguments */ while (--argc > 0) { ++argv; c_token = 0; #ifdef _Windows if (stricmp(*argv, "-noend") == 0 || stricmp(*argv, "/noend") == 0 || stricmp(*argv, "-persist") == 0) noend = TRUE; else #endif if (!strncmp(*argv, "-persist", 2) || !strcmp(*argv, "--persist")) { FPRINTF((stderr,"'persist' command line option recognized\n")); } else if (strcmp(*argv, "-") == 0) { interactive = TRUE; while (!com_line()); interactive = FALSE; } else if (strcmp(*argv, "-e") == 0) { --argc; ++argv; if (argc <= 0) { fprintf(stderr, "syntax: gnuplot -e \"commands\"\n"); return 0; } do_string(*argv); } else { load_file(loadpath_fopen(*argv, "r"), gp_strdup(*argv), FALSE); } } #ifdef _Windows if (noend) { interactive = TRUE; while (!com_line()); } #endif } else { /* take commands from stdin */ while (!com_line()); } #if (defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)) && defined(GNUPLOT_HISTORY) #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT) /* You should be here if you neither have 'atexit()' nor 'on_exit()' */ wrapper_for_write_history(); #endif /* !HAVE_ATEXIT && !HAVE_ON_EXIT */ #endif /* (HAVE_LIBREADLINE || HAVE_LIBEDITLINE) && GNUPLOT_HISTORY */ #ifdef OS2 RexxDeregisterSubcom("GNUPLOT", NULL); #endif /* HBB 20040223: Not all compilers like exit() to end main() */ /* exit(exit_status); */ return exit_status; }
int la_create (void) { int smg$create_virtual_keyboard(), toupper(); error_def(LA_NOCNFDB); /* No license created */ error_def(LA_NOCNF) ; /* No license created */ error_def(LA_NEWCNF) ; /* New license created */ error_def(LA_SAVE) ; /* Save Y/N ? */ error_def(LA_EMPTY) ; error_def(LA_BADENCR) ; char *h ; /* db in main store */ la_prolog *prol ; /* db file prolog */ pak *p ; /* pak record */ char rp[32] ; /* operator reply */ int4 status ; unsigned char recall= 16 ; unsigned short w ; uint4 kid ; /* virt. keyboard ID */ uint4 bcs[3]= {0,0,0} ; if ((h= la_getdb(LADB))==NULL) /* db in main storage */ { lib$signal(LA_NOCNFDB) ; } prol= h ; p= (char *)h + prol->len ; /* place for new pak */ status= smg$create_virtual_keyboard(&kid,0,0,0,&recall) ;if (status!=SS$_NORMAL) { lib$signal(status) ; } la_initpak(prol->lastid,p) ; /* pak initialized */ rp[0]= 'E' ; while (!SAVE && !QUIT) { if EDIT { la_edit(kid,h,p) ; la_puthead(p) ; la_putfldr(&(p->pf)) ; if(!la_encrypt(p->ph.n,&(p->pd),(p->ph.l[4] - p->ph.l[2]),bcs)) { lib$signal(LA_BADENCR) ; } else { la_convert(p->ph.cs,bcs) ; } } else if DISP { la_listpak(p) ; } la_putmsgu(LA_EMPTY,0,0) ; rp[0]= 0 ; la_getstr(kid,LA_SAVE,rp,0,1) ; la_putmsgu(LA_EMPTY,0,0) ; rp[0]= ( rp[0]>='a' ? rp[0]-32 : rp[0] ) ; }
/*************************************************************** * fgets_with_edit: ***************************************************************/ char *fgets_with_edit( /* Returns: addr of usrline, or NULL */ char usrline[] /* <w> user's input buffer */ ,int maxlen /* <r> length of input buffer */ ,FILE *fp /* <r> file pointer */ ,char *prompt /* <r:opt> prompt string */ ) { int i,k; int fd; int sts; char *p; static char clrEol[12]; static char cursorRight[12]; #ifdef vms static int pasteboard_id; static int keyboard_id; static int key_table_id; int flags; short wlen; struct descriptor *dscPtr; static DYNAMIC_DESCRIPTOR(dsc_cmdline); static struct descriptor dsc_prompt = {0,DSC_K_DTYPE_T,DSC_K_CLASS_S,0}; #else int idx; int ierr; int kchar; int num; char c; char line[256]; char displayLine[256]; #if !defined(_WIN32) struct termios tt,ttsave; #endif #endif fd = fileno(fp); if (!isatty(fd)) return(fgets(usrline,maxlen,fp)); /*======================================================= * Note: vt100 "terminfo" seems to have extra chars in * its "cursor_right" escape sequence. We'll use * local string "cursorRight" instead ... * Likewise for "clr_eol" escape sequence. *======================================================*/ if (!cursorRight[0]) { /* first time only ... */ irecall = HISTORY_NOT_ACTIVE; #ifdef vms flags = 1; smg$create_pasteboard(&pasteboard_id,0,0,0,&flags); /* */ smg$create_virtual_keyboard(&keyboard_id); /* smg$create_key_table(&key_table_id); /* */ cursorRight[0] = 1; /* indicate no longer first time */ #else sts = setupterm(0,1,&ierr); if (sts || ierr!=1) { printf("after setupterm: sts=%d ierr=%d\n"); usrline[0] = '\0'; return(0); } if (!strncmp(cursor_right,"\033[C",3)) strncpy(cursorRight,cursor_right,3); else { if (strlen(cursor_right) >= sizeof(cursorRight)) { fprintf(stderr,"fgets_with_edit: cursorRight too short\n"); exit(0); } strcpy(cursorRight,cursor_right); } if (!strncmp(clr_eol,"\033[K",3)) strncpy(clrEol,clr_eol,3); else { if (strlen(clr_eol) >= sizeof(clrEol)) { fprintf(stderr,"fgets_with_edit: clrEol[] is too short\n"); exit(0); } strcpy(clrEol,clr_eol); } #endif } #ifdef vms /*======================================================= * VMS only: read using smg routine ... *======================================================*/ dscPtr = prompt ? &dsc_prompt : 0; if (dscPtr) { dsc_prompt.dscA_pointer = prompt ? prompt : "Command> "; dsc_prompt.dscW_length = strlen(dsc_prompt.dscA_pointer); } sts = smg$read_composed_line(&keyboard_id,0, &dsc_cmdline,dscPtr,&wlen); if (~sts & 1) { dasmsg(sts,"Error from smg$read_composed_string"); return(0); } p = dsc_cmdline.dscA_pointer ? dsc_cmdline.dscA_pointer : ""; k = (wlen<maxlen) ? wlen : maxlen; strncpy(usrline,p,k); if (wlen < maxlen) usrline[wlen] = '\0'; #else /*======================================================= * Save tty settings; reset tty for command-line editing. *======================================================*/ #if !defined(_WIN32) sts = tcgetattr(fd,&tt); memcpy(&ttsave,&tt,sizeof(ttsave)); /* save copy of tt */ tt.c_lflag &= ~ICANON; tt.c_lflag &= ~ECHO; tt.c_cc[VTIME] = 0; tt.c_cc[VMIN] = 1; sts = tcsetattr(fd,TCSANOW,&tt); if (sts) { perror("Error from tcseattr"); usrline[0] = '\0'; return(0); } #endif /*======================================================= * Edit input line from tty ... *======================================================*/ line[0] = '\0'; if (prompt) printf("%s",prompt); fflush(stdout); for (p=line ; ; ) { k = read(fd,&c,1); if (k<=0 || c=='\n') break; if (isprint(c) || isspace(c)) { write(1,&c,1); /* Write c at current position ... */ if (*p) { /* if not at end of line */ if (insert_mode) { k = strlen(p); p[k+1] = '\0'; for ( ; k ; k--) p[k] = p[k-1]; k = sprintf(displayLine,"%s%s%s", save_cursor,p+1,restore_cursor); i = write(1,displayLine,k); } } else *(p+1) = '\0'; /* else, set new EOL */ *p++ = c; continue; } if (!iscntrl(c)) continue; if (c == DEL) { if (p <= line) continue; for (i=0,p-- ; p[i]=p[i+1] ; i++) ; k = sprintf(displayLine,"%s%s%s %s", cursor_left,save_cursor,(i?p:""),restore_cursor); write(1,displayLine,k); continue; } switch(c) { default: sprintf(displayLine," ^%c=0x%02X",c+'@',c); break; case ESC: kchar = decode_escape_sequence(fd); if (kchar == KEY_LEFT) { if (p > line) { p--; write(1,cursor_left,strlen(cursor_left)); } } else if (kchar == KEY_RIGHT) { if (*p) { p++; k = strlen(cursorRight); write(1,cursorRight,k); } } else if (kchar==KEY_UP || kchar==KEY_DOWN) { p = start_of_line(line,p); write(1,clrEol,strlen(clrEol)); strcpy(line,get_history_line(kchar)); k = strlen(line); write(1,line,k); p = line + k; } break; case CTRL_E: /* Jump to end of line ... */ num = strlen(p); if (num) { k = 0; for (i=0 ; i<num ; i++) k += sprintf(displayLine+k,cursorRight); write(1,displayLine,k); p += num; } break; case CTRL_H: /* Jump to beginning of line ... */ p = start_of_line(line,p); break; case CTRL_U: /* Delete to beginning of line ... */ num = p - line; /* num chars preceding p */ if (num) { for (i=0,k=0 ; i<num ; i++) k += sprintf(displayLine+k,cursor_left); k += sprintf(displayLine+k,"%s%s",p,clrEol); write(1,displayLine,k); for (i=0 ; line[i]=p[i] ; i++) ; /* shift chars within line[] */ p = start_of_line(line,line+i); } break; } } if (!icnt && (k=strlen(line))) history[icnt++] = strcpy(malloc(k+1),line); else { idx = (icnt-1) % MAX_HISTORY; if (nonblank(line) && strcmp(line,history[idx])) { idx = icnt++ % MAX_HISTORY; if (history[idx]) free(history[idx]); history[idx] = strcpy(malloc(strlen(line)+1),line); } } irecall = HISTORY_NOT_ACTIVE; #if !defined(_WIN32) sts = tcsetattr(fd,TCSANOW,&ttsave); if (sts) perror("Error from tcseattr"); #endif strncpy(usrline,line,maxlen); printf("\n"); #endif return(usrline); }
int main(int argc_orig, char **argv) #endif { int i; /* We want the current value of argc to persist across a LONGJMP from int_error(). * Without this the compiler may put it on the stack, which LONGJMP clobbers. * Here we try make it a volatile variable that optimization will not affect. * Why do we not have to do the same for argv? I don't know. * But the test cases that broke with generic argc seem fine with generic argv. */ static volatile int argc; argc = argc_orig; #ifdef LINUXVGA LINUX_setup(); /* setup VGA before dropping privilege DBT 4/5/99 */ drop_privilege(); #endif /* make sure that we really have revoked root access, this might happen if gnuplot is compiled without vga support but is installed suid by mistake */ #ifdef __linux__ if (setuid(getuid()) != 0) { fprintf(stderr,"gnuplot: refusing to run at elevated privilege\n"); exit(EXIT_FAILURE); } #endif /* HBB: Seems this isn't needed any more for DJGPP V2? */ /* HBB: disable all floating point exceptions, just keep running... */ #if defined(DJGPP) && (DJGPP!=2) _control87(MCW_EM, MCW_EM); #endif #if defined(OS2) { int rc; #ifdef OS2_IPC char semInputReadyName[40]; sprintf(semInputReadyName, "\\SEM32\\GP%i_Input_Ready", getpid()); rc = DosCreateEventSem(semInputReadyName, &semInputReady, 0, 0); if (rc != 0) fputs("DosCreateEventSem error\n", stderr); #endif rc = RexxRegisterSubcomExe("GNUPLOT", (PFN) RexxInterface, NULL); } #endif /* malloc large blocks, otherwise problems with fragmented mem */ #ifdef MALLOCDEBUG malloc_debug(7); #endif /* init progpath and get helpfile from executable directory */ #if defined(MSDOS) || defined(OS2) { char *s; #ifdef __EMX__ _execname(progpath, sizeof(progpath)); #else safe_strncpy(progpath, argv[0], sizeof(progpath)); #endif /* convert '/' to '\\' */ for (s = progpath; *s != NUL; s++) if (*s == DIRSEP2) *s = DIRSEP1; /* cut program name */ s = strrchr(progpath, DIRSEP1); if (s != NULL) s++; else s = progpath; *s = NUL; /* init HelpFile */ strcpy(HelpFile, progpath); strcat(HelpFile, "gnuplot.gih"); /* remove trailing "bin/" from progpath */ if ((s != NULL) && (s - progpath >= 4)) { s -= 4; if (strncasecmp(s, "bin", 3) == 0) *s = NUL; } } #endif /* DJGPP */ #if (defined(PIPE_IPC) || defined(_WIN32)) && (defined(HAVE_LIBREADLINE) || (defined(HAVE_LIBEDITLINE) && defined(X11))) /* Editline needs this to be set before the very first call to readline(). */ /* Support for rl_getc_function is broken for utf-8 in editline. Since it is only really required for X11, disable this section when building without X11. */ rl_getc_function = getc_wrapper; #endif #if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE) /* T.Walter 1999-06-24: 'rl_readline_name' must be this fix name. * It is used to parse a 'gnuplot' specific section in '~/.inputrc' * or gnuplot specific commands in '.editrc' (when using editline * instead of readline) */ rl_readline_name = "Gnuplot"; rl_terminal_name = getenv("TERM"); #if defined(HAVE_LIBREADLINE) using_history(); #else history_init(); #endif #endif #if defined(HAVE_LIBREADLINE) && !defined(MISSING_RL_TILDE_EXPANSION) rl_complete_with_tilde_expansion = 1; #endif for (i = 1; i < argc; i++) { if (!argv[i]) continue; if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) { printf("gnuplot %s patchlevel %s\n", gnuplot_version, gnuplot_patchlevel); return 0; } else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) { printf( "Usage: gnuplot [OPTION] ... [FILE]\n" #ifdef X11 "for X11 options see 'help X11->command-line-options'\n" #endif " -V, --version\n" " -h, --help\n" " -p --persist\n" " -s --slow\n" " -d --default-settings\n" " -c scriptfile ARG1 ARG2 ... \n" " -e \"command1; command2; ...\"\n" "gnuplot %s patchlevel %s\n", gnuplot_version, gnuplot_patchlevel); #ifdef DEVELOPMENT_VERSION printf( #ifdef DIST_CONTACT "Report bugs to "DIST_CONTACT"\n" " or %s\n", #else "Report bugs to %s\n", #endif bug_email); #endif return 0; } else if (!strncmp(argv[i], "-persist", 2) || !strcmp(argv[i], "--persist") #ifdef _WIN32 || !stricmp(argv[i], "-noend") || !stricmp(argv[i], "/noend") #endif ) { persist_cl = TRUE; } else if (!strncmp(argv[i], "-slow", 2) || !strcmp(argv[i], "--slow")) { slow_font_startup = TRUE; } else if (!strncmp(argv[i], "-d", 2) || !strcmp(argv[i], "--default-settings")) { /* Skip local customization read from ~/.gnuplot */ skip_gnuplotrc = TRUE; } } #ifdef X11 /* the X11 terminal removes tokens that it recognizes from argv. */ { int n = X11_args(argc, argv); argv += n; argc -= n; } #endif setbuf(stderr, (char *) NULL); #ifdef HAVE_SETVBUF /* This was once setlinebuf(). Docs say this is * identical to setvbuf(,NULL,_IOLBF,0), but MS C * faults this (size out of range), so we try with * size of 1024 instead. [SAS/C does that, too. -lh] */ if (setvbuf(stdout, (char *) NULL, _IOLBF, (size_t) 1024) != 0) (void) fputs("Could not linebuffer stdout\n", stderr); /* Switching to unbuffered mode causes all characters in the input * buffer to be lost. So the only safe time to do it is on program entry. * Do any non-X platforms suffer from this problem? * EAM - Jan 2013 YES. */ setvbuf(stdin, (char *) NULL, _IONBF, 0); #endif gpoutfile = stdout; /* Initialize pre-loaded user variables */ /* "pi" is hard-wired as the first variable */ (void) add_udv_by_name("GNUTERM"); (void) add_udv_by_name("NaN"); init_constants(); udv_user_head = &(udv_NaN->next_udv); init_memory(); interactive = FALSE; /* April 2017: We used to call init_terminal() here, but now */ /* We defer initialization until error handling has been set up. */ # if defined(_WIN32) && !defined(WGP_CONSOLE) interactive = TRUE; # else interactive = isatty(fileno(stdin)); # endif /* Note: we want to know whether this is an interactive session so that we can * decide whether or not to write status information to stderr. The old test * for this was to see if (argc > 1) but the addition of optional command line * switches broke this. What we really wanted to know was whether any of the * command line arguments are file names or an explicit in-line "-e command". */ for (i = 1; i < argc; i++) { # ifdef _WIN32 if (!stricmp(argv[i], "/noend")) continue; # endif if ((argv[i][0] != '-') || (argv[i][1] == 'e') || (argv[i][1] == 'c') ) { interactive = FALSE; break; } } /* Need this before show_version is called for the first time */ if (interactive) show_version(stderr); else show_version(NULL); /* Only load GPVAL_COMPILE_OPTIONS */ update_gpval_variables(3); /* update GPVAL_ variables available to user */ #ifdef VMS /* initialise screen management routines for command recall */ { unsigned int ierror; if (ierror = smg$create_virtual_keyboard(&vms_vkid) != SS$_NORMAL) done(ierror); if (ierror = smg$create_key_table(&vms_ktid) != SS$_NORMAL) done(ierror); } #endif /* VMS */ if (!SETJMP(command_line_env, 1)) { /* first time */ interrupt_setup(); get_user_env(); init_loadpath(); init_locale(); memset(&sm_palette, 0, sizeof(sm_palette)); init_fit(); /* Initialization of fitting module */ #ifdef READLINE /* When using the built-in readline, we set the initial encoding according to the locale as this is required to properly handle keyboard input. */ init_encoding(); #endif init_gadgets(); /* April 2017: Now that error handling is in place, it is safe parse * GNUTERM during terminal initialization. * atexit processing is done in reverse order. We want * the generic terminal shutdown in term_reset to be executed before * any terminal specific cleanup requested by individual terminals. */ init_terminal(); push_terminal(0); /* remember the initial terminal */ gp_atexit(term_reset); /* Execute commands in ~/.gnuplot */ init_session(); if (interactive && term != 0) { /* not unknown */ #ifdef GNUPLOT_HISTORY #if (defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)) && !defined(_WIN32) expanded_history_filename = tilde_expand(GNUPLOT_HISTORY_FILE); #else expanded_history_filename = gp_strdup(GNUPLOT_HISTORY_FILE); gp_expand_tilde(&expanded_history_filename); #endif read_history(expanded_history_filename); /* * It is safe to ignore the return values of 'atexit()' and * 'on_exit()'. In the worst case, there is no history of your * currrent session and you have to type all again in your next * session. */ gp_atexit(wrapper_for_write_history); #endif /* GNUPLOT_HISTORY */ #if defined(READLINE) && defined(WGP_CONSOLE) fprintf(stderr, "Encoding set to '%s'.\n", encoding_names[encoding]); #endif } /* if (interactive && term != 0) */ } else { /* come back here from int_error() */ if (!successful_initialization) { /* Only print the warning once */ successful_initialization = TRUE; fprintf(stderr,"WARNING: Error during initialization\n\n"); } if (interactive == FALSE) exit_status = EXIT_FAILURE; #ifdef HAVE_READLINE_RESET else { /* reset properly readline after a SIGINT+longjmp */ rl_reset_after_signal (); } #endif load_file_error(); /* if we were in load_file(), cleanup */ SET_CURSOR_ARROW; #ifdef VMS /* after catching interrupt */ /* VAX stuffs up stdout on SIGINT while writing to stdout, so reopen stdout. */ if (gpoutfile == stdout) { if ((stdout = freopen("SYS$OUTPUT", "w", stdout)) == NULL) { /* couldn't reopen it so try opening it instead */ if ((stdout = fopen("SYS$OUTPUT", "w")) == NULL) { /* don't use int_error here - causes infinite loop! */ fputs("Error opening SYS$OUTPUT as stdout\n", stderr); } } gpoutfile = stdout; } #endif /* VMS */ /* Why a goto? Because we exited the loop below via int_error */ /* using LONGJMP. The compiler was not expecting this, and */ /* "optimized" the handling of argc and argv such that simply */ /* entering the loop again from the top finds them messed up. */ /* If we reenter the loop via a goto then there is some hope */ /* that code reordering does not hurt us. */ if (reading_from_dash && interactive) goto RECOVER_FROM_ERROR_IN_DASH; reading_from_dash = FALSE; if (!interactive && !noinputfiles) { term_reset(); gp_exit(EXIT_FAILURE); /* exit on non-interactive error */ } } /* load filenames given as arguments */ while (--argc > 0) { ++argv; c_token = 0; if (!strncmp(*argv, "-persist", 2) || !strcmp(*argv, "--persist") #ifdef _WIN32 || !stricmp(*argv, "-noend") || !stricmp(*argv, "/noend") #endif ) { FPRINTF((stderr,"'persist' command line option recognized\n")); } else if (strcmp(*argv, "-") == 0) { #if defined(_WIN32) && !defined(WGP_CONSOLE) TextShow(&textwin); interactive = TRUE; #else interactive = isatty(fileno(stdin)); #endif RECOVER_FROM_ERROR_IN_DASH: reading_from_dash = TRUE; while (!com_line()); reading_from_dash = FALSE; interactive = FALSE; noinputfiles = FALSE; } else if (strcmp(*argv, "-e") == 0) { int save_state = interactive; --argc; ++argv; if (argc <= 0) { fprintf(stderr, "syntax: gnuplot -e \"commands\"\n"); return 0; } interactive = FALSE; noinputfiles = FALSE; do_string(*argv); interactive = save_state; } else if (!strncmp(*argv, "-slow", 2) || !strcmp(*argv, "--slow")) { slow_font_startup = TRUE; } else if (!strncmp(*argv, "-d", 2) || !strcmp(*argv, "--default-settings")) { /* Ignore this; it already had its effect */ FPRINTF((stderr, "ignoring -d\n")); } else if (strcmp(*argv, "-c") == 0) { /* Pass command line arguments to the gnuplot script in the next * argument. This consumes the remainder of the command line */ interactive = FALSE; noinputfiles = FALSE; --argc; ++argv; if (argc <= 0) { fprintf(stderr, "syntax: gnuplot -c scriptname args\n"); gp_exit(EXIT_FAILURE); } call_argc = GPMIN(9, argc - 1); for (i=0; i<=call_argc; i++) { /* Need to stash argv[i] somewhere visible to load_file() */ call_args[i] = gp_strdup(argv[i+1]); } load_file(loadpath_fopen(*argv, "r"), gp_strdup(*argv), 5); gp_exit(EXIT_SUCCESS); } else if (*argv[0] == '-') { fprintf(stderr, "unrecognized option %s\n", *argv); } else { interactive = FALSE; noinputfiles = FALSE; load_file(loadpath_fopen(*argv, "r"), gp_strdup(*argv), 4); } } /* take commands from stdin */ if (noinputfiles) { while (!com_line()) ctrlc_flag = FALSE; /* reset asynchronous Ctrl-C flag */ } #ifdef _WIN32 /* On Windows, handle 'persist' by keeping the main input loop running (windows/wxt), */ /* but only if there are any windows open. Note that qt handles this properly. */ if (persist_cl) { if (WinAnyWindowOpen()) { #ifdef WGP_CONSOLE if (!interactive) { /* no further input from pipe */ while (WinAnyWindowOpen()) win_sleep(100); } else #endif { interactive = TRUE; while (!com_line()) ctrlc_flag = FALSE; /* reset asynchronous Ctrl-C flag */ interactive = FALSE; } } } #endif #if (defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)) && defined(GNUPLOT_HISTORY) #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT) /* You should be here if you neither have 'atexit()' nor 'on_exit()' */ wrapper_for_write_history(); #endif /* !HAVE_ATEXIT && !HAVE_ON_EXIT */ #endif /* (HAVE_LIBREADLINE || HAVE_LIBEDITLINE) && GNUPLOT_HISTORY */ #ifdef OS2 RexxDeregisterSubcom("GNUPLOT", NULL); #endif /* HBB 20040223: Not all compilers like exit() to end main() */ /* exit(exit_status); */ #if ! defined(_WIN32) /* Windows does the cleanup later */ gp_exit_cleanup(); #endif return exit_status; }