/* Copyright 1990 Regents of the University of California. All rights reserved. Author: 1985 Wayne A. Christopher The main routine for ngspice */ #include "ngspice/ngspice.h" #include #include /* Added GNU Readline Support 11/3/97 -- Andrew Veliath */ /* from spice3f4 patch to ng-spice. jmr */ #ifdef HAVE_GNUREADLINE # include # include #endif /* SJB added editline support 2005-05-05 */ #ifdef HAVE_BSDEDITLINE # include extern VFunction *rl_event_hook; /* missing from editline/readline.h */ extern int rl_catch_signals; /* missing from editline/readline.h */ #endif #include "ngspice/iferrmsg.h" #include "ngspice/ftedefs.h" #include "ngspice/devdefs.h" #include "spicelib/devices/dev.h" #include "spicelib/analysis/analysis.h" #include "misc/ivars.h" #include "misc/misc_time.h" #include "misc/util.h" #if defined(HAS_WINGUI) || defined(_MSC_VER) || defined(__MINGW32__) # include "misc/mktemp.h" #endif #if defined(HAVE_GETOPT_LONG) && defined(HAVE_GETOPT_H) # include #else # include "misc/getopt_bsd.h" #endif #include "frontend/spiceif.h" #include "frontend/resource.h" #include "frontend/variable.h" #include "frontend/display.h" /* added by SDB to pick up Input() fcn */ #include "frontend/signal_handler.h" #include "frontend/misccoms.h" #include "ngspice/compatmode.h" /* saj xspice headers */ #ifdef XSPICE # include "ngspice/ipctiein.h" # include "ngspice/mif.h" # include "ngspice/enh.h" # include "ngspice/mifproto.h" # include "ngspice/evtproto.h" #endif #ifdef CIDER # include "ngspice/numenum.h" # include "maths/misc/accuracy.h" #endif #if defined(HAVE_GNUREADLINE) || defined(HAVE_BSDEDITLINE) char history_file[512] = {'\0'}; static char *application_name; #endif /* Undefine this next line for debug tracing */ /* #define TRACE */ /* Main options */ static bool ft_servermode = FALSE; bool ft_batchmode = FALSE; bool ft_pipemode = FALSE; bool rflag = FALSE; /* has rawfile */ /* Frontend options */ bool ft_intrpt = FALSE; /* Set by the (void) signal handlers. TRUE = we've been interrupted. */ bool ft_setflag = FALSE; /* TRUE = Don't abort simulation after an interrupt. */ char *ft_rawfile = "rawspice.raw"; #ifdef HAS_WINGUI extern void winmessage(char *new_msg); /* display a message box (defined in winmain.c)*/ extern void SetSource(char *Name); /* display the source file name in the source window */ extern int xmain(int argc, char **argv); FILE *flogp = NULL; /* log file ('-o logfile' command line option) */ #else bool orflag = FALSE; /* global for -o option */ #endif FILE *slogp = NULL; /* soa log file ('--soa-log file' command line option) */ /* Frontend and circuit options */ IFsimulator *ft_sim = NULL; char *errRtn; /* name of the routine declaring error */ char *errMsg = NULL; /* descriptive message about what went wrong */ char *cp_program; /* program name 'ngspice' */ char *Infile_Path = NULL; /* Path to netlist input file */ /* Globals definitions for Machine Accuracy Limits * (needed by CIDER) */ double BMin; /* lower limit for B(x) */ double BMax; /* upper limit for B(x) */ double ExpLim; /* limit for exponential */ double Accuracy; /* accuracy of the machine */ double MuLim, MutLim; #ifdef CIDER /* Global debug flags from CIDER, soon they will become * spice variables :) */ BOOLEAN ONEacDebug = FALSE; BOOLEAN ONEdcDebug = TRUE; BOOLEAN ONEtranDebug = TRUE; BOOLEAN ONEjacDebug = FALSE; BOOLEAN TWOacDebug = FALSE; BOOLEAN TWOdcDebug = TRUE; BOOLEAN TWOtranDebug = TRUE; BOOLEAN TWOjacDebug = FALSE; /* CIDER Global Variable Declarations */ int BandGapNarrowing; int TempDepMobility, ConcDepMobility, FieldDepMobility, TransDepMobility; int SurfaceMobility, MatchingMobility, MobDeriv; int CCScattering; int Srh, Auger, ConcDepLifetime, AvalancheGen; int FreezeOut = FALSE; int OneCarrier; int MaxIterations = 100; int AcAnalysisMethod = DIRECT; double Temp, RelTemp, Vt; double RefPsi;/* potential at Infinity */ double EpsNorm, VNorm, NNorm, LNorm, TNorm, JNorm, GNorm, ENorm; /* end cider globals */ #endif /* CIDER */ struct variable *(*if_getparam)(CKTcircuit *ckt, char **name, char *param, int ind, int do_model); /* static functions */ int SIMinit(IFfrontEnd *frontEnd, IFsimulator **simulator); static void sp_shutdown(int exitval); static void app_rl_readlines(void); #if defined(HAVE_GNUREADLINE) || defined(HAVE_BSDEDITLINE) static char *prompt(void); #endif #ifndef X_DISPLAY_MISSING # include "frontend/plotting/x11.h" # ifdef HAVE_GNUREADLINE static int app_event_func(void); # endif # ifdef HAVE_BSDEDITLINE static void app_event_func(void); # endif #endif static void show_help(void); static void show_version(void); static bool read_initialisation_file(char *dir, char *name); #ifdef SIMULATOR static void append_to_stream(FILE *dest, FILE *source); #endif extern IFsimulator SIMinfo; #ifdef SIMULATOR const bool ft_nutmeg = FALSE; extern struct comm spcp_coms[]; struct comm *cp_coms = spcp_coms; extern int OUTpBeginPlot(CKTcircuit *, JOB *, IFuid, IFuid, int, int, IFuid *, int, runDesc **); extern int OUTpData(runDesc *, IFvalue *, IFvalue *); extern int OUTwBeginPlot(CKTcircuit *, JOB *, IFuid, IFuid, int, int, IFuid *, int, runDesc **); extern int OUTwReference(runDesc *, IFvalue *, void **); extern int OUTwData(runDesc *, int, IFvalue *, void *), OUTwEnd(runDesc *), OUTendPlot(runDesc *); extern int OUTbeginDomain(runDesc *, IFuid, int, IFvalue *); extern int OUTendDomain(runDesc *), OUTstopnow(void); extern void OUTerror(int, char *, IFuid *); #ifdef __GNUC__ extern void OUTerrorf(int, const char *fmt, ...) __attribute__ ((format (__printf__, 2, 3))); #else extern void OUTerrorf(int, const char *fmt, ...); #endif extern int OUTattributes(runDesc *, IFuid, int, IFvalue *); extern void initw(void); IFfrontEnd nutmeginfo = { IFnewUid, IFdelUid, OUTstopnow, seconds, OUTerror, OUTerrorf, OUTpBeginPlot, OUTpData, OUTwBeginPlot, OUTwReference, OUTwData, OUTwEnd, OUTendPlot, OUTbeginDomain, OUTendDomain, OUTattributes }; #else /* SIMULATOR */ const bool ft_nutmeg = TRUE; extern struct comm nutcp_coms[]; struct comm *cp_coms = nutcp_coms; IFfrontEnd nutmeginfo; /* -------------------------------------------------------------------------- */ int if_run(CKTcircuit *t, char *w, wordlist *s, INPtables *b) { NG_IGNORE(b); NG_IGNORE(s); NG_IGNORE(w); NG_IGNORE(t); return 0; } /* -------------------------------------------------------------------------- */ int if_sens_run(CKTcircuit *t, wordlist *args, INPtables *tab) { NG_IGNORE(tab); NG_IGNORE(args); NG_IGNORE(t); return 0; } /* -------------------------------------------------------------------------- */ void if_dump(CKTcircuit *ckt, FILE *fp) { NG_IGNORE(fp); NG_IGNORE(ckt); } /* -------------------------------------------------------------------------- */ CKTcircuit * if_inpdeck(struct line *deck, INPtables **tab) { NG_IGNORE(tab); NG_IGNORE(deck); return NULL; } /* -------------------------------------------------------------------------- */ int if_option(CKTcircuit *ckt, char *name, enum cp_types type, void *value) { NG_IGNORE(value); NG_IGNORE(type); NG_IGNORE(name); NG_IGNORE(ckt); return 0; } /* -------------------------------------------------------------------------- */ void if_cktfree(CKTcircuit *ckt, INPtables *tab) { NG_IGNORE(tab); NG_IGNORE(ckt); } /* -------------------------------------------------------------------------- */ void if_setndnames(char *line) { NG_IGNORE(line); } /* -------------------------------------------------------------------------- */ char * if_errstring(int code) { NG_IGNORE(code); return "spice error"; } /* -------------------------------------------------------------------------- */ void if_setparam_model(CKTcircuit *ckt, char **name, char *val) { NG_IGNORE(val); NG_IGNORE(name); NG_IGNORE(ckt); } void if_setparam(CKTcircuit *ckt, char **name, char *param, struct dvec *val, int do_model) { NG_IGNORE(do_model); NG_IGNORE(val); NG_IGNORE(param); NG_IGNORE(name); NG_IGNORE(ckt); } /* -------------------------------------------------------------------------- */ bool if_tranparams(struct circ *ckt, double *start, double *stop, double *step) { NG_IGNORE(step); NG_IGNORE(stop); NG_IGNORE(start); NG_IGNORE(ckt); return FALSE; } /* -------------------------------------------------------------------------- */ struct variable * if_getstat(CKTcircuit *ckt, char *name) { NG_IGNORE(name); NG_IGNORE(ckt); return NULL; } void com_snload(wordlist *wl) { NG_IGNORE(wl); } void com_snsave(wordlist *wl) { NG_IGNORE(wl); } void SMPprint(SMPmatrix *n1, char *n2) { NG_IGNORE(n1); NG_IGNORE(n2); } void SMPprintRHS(SMPmatrix *n1, char *n2, double *n3, double *n4) { NG_IGNORE(n1); NG_IGNORE(n2); NG_IGNORE(n3); NG_IGNORE(n4); } void spice_destroy_devices(void) { } #endif /* SIMULATOR */ #ifndef SIMULATOR #ifdef XSPICE /* saj to get nutmeg to compile, not nice but necessary */ Ipc_Tiein_t g_ipc; Ipc_Status_t ipc_send_errchk(void) { Ipc_Status_t x = IPC_STATUS_OK; return x; } Ipc_Status_t ipc_get_line(char *str, int *len, Ipc_Wait_t wait) { Ipc_Status_t x = IPC_STATUS_OK; NG_IGNORE(str); NG_IGNORE(len); NG_IGNORE(wait); return x; } struct line * ENHtranslate_poly(struct line *deck) { NG_IGNORE(deck); return NULL; } int load_opus(char *name) { NG_IGNORE(name); return 1; } char * MIFgettok(char **s) { NG_IGNORE(s); return NULL; } void EVTprint(wordlist *wl) { NG_IGNORE(wl); } struct dvec * EVTfindvec(char *node) { NG_IGNORE(node); return NULL; } #endif /* XSPICE */ #endif /* SIMULATOR */ char *hlp_filelist[] = { "ngspice", 0 }; /* allocate space for global constants in 'CONST.h' */ double CONSTroot2; double CONSTvt0; double CONSTKoverQ; double CONSTe; IFfrontEnd *SPfrontEnd = NULL; int DEVmaxnum = 0; /* -------------------------------------------------------------------------- */ /* Set a compatibility flag. Currently available are flags for: - ngspice (standard) - a commercial simulator - Spice3 - all compatibility stuff */ COMPATMODE_T ngspice_compat_mode(void) { char behaviour[80]; if (cp_getvar("ngbehavior", CP_STRING, behaviour)) { if (strcasecmp(behaviour, "all") == 0) return COMPATMODE_ALL; if (strcasecmp(behaviour, "hs") == 0) return COMPATMODE_HS; if (strcasecmp(behaviour, "ps") == 0) return COMPATMODE_PS; if (strcasecmp(behaviour, "spice3") == 0) return COMPATMODE_SPICE3; } return COMPATMODE_ALL; } /* -------------------------------------------------------------------------- */ int SIMinit(IFfrontEnd *frontEnd, IFsimulator **simulator) { #ifdef SIMULATOR spice_init_devices(); SIMinfo.numDevices = DEVmaxnum = num_devices(); SIMinfo.devices = devices_ptr(); SIMinfo.numAnalyses = spice_num_analysis(); SIMinfo.analyses = (IFanalysis **)spice_analysis_ptr(); /* va: we recast, because we use * only the public part */ #ifdef CIDER /* Evaluates limits of machine accuracy for CIDER */ evalAccLimits(); #endif /* CIDER */ #endif /* SIMULATOR */ SPfrontEnd = frontEnd; *simulator = &SIMinfo; CONSTroot2 = sqrt(2.); CONSTvt0 = CONSTboltz * (27 /* deg c */ + CONSTCtoK) / CHARGE; CONSTKoverQ = CONSTboltz / CHARGE; CONSTe = exp(1.0); return OK; } /* -------------------------------------------------------------------------- */ /* Shutdown gracefully. */ static void sp_shutdown(int exitval) { destroy_ivars(); #ifdef HAS_WINGUI if (exitval == EXIT_BAD) winmessage("Fatal error in SPICE"); else if (exitval == EXIT_INFO) winmessage("Information during setup, see main window!"); #endif if (exitval == EXIT_INFO) exitval = EXIT_NORMAL; exit(exitval); } /* -------------------------------------------------------------------------- */ #if defined(HAVE_GNUREADLINE) || defined(HAVE_BSDEDITLINE) /* Adapted ../lib/cp/lexical.c:prompt() for GNU Readline -- Andrew Veliath */ static char * prompt(void) { static char pbuf[128]; char *p = pbuf, *s; if (cp_interactive == FALSE) return NULL; /* NULL means no prompt */ s = get_alt_prompt(); if (!s) s = cp_promptstring; if (!s) s = "->"; while (*s) { char c = (char) strip(*s++); switch (c) { case '!': p += sprintf(p, "%d", where_history() + 1); break; case '\\': if (*s) c = (char) strip(*s++); default: *p++ = c; break; } } *p = '\0'; return pbuf; } #endif /* HAVE_GNUREADLINE || HAVE_BSDEDITLINE */ #ifndef X_DISPLAY_MISSING #ifdef HAVE_GNUREADLINE /* -------------------------------------------------------------------------- */ /* Process device events in Readline's hook since there is no where else to do it now - AV */ static int app_event_func(void) /* called by GNU readline periodically to know what to do about keypresses */ { static REQUEST reqst = { char_option, 0 }; reqst.fp = rl_instream; X11_Input(&reqst, NULL); return 0; } #endif /* HAVE_GNUREADLINE */ #ifdef HAVE_BSDEDITLINE /* -------------------------------------------------------------------------- */ /* Process device events in Editline's hook. similar to the readline function above but returns void */ static void app_event_func(void) /* called by GNU readline periodically to know what to do about keypresses */ { static REQUEST reqst = { char_option, 0 }; reqst.fp = rl_instream; X11_Input(&reqst, NULL); } #endif /* HAVE_BSDEDITLINE */ #endif /* -------------------------------------------------------------------------- */ /* This is the command processing loop for spice and nutmeg. The function is called even when GNU readline is unavailable, in which case it falls back to repeatable calling cp_evloop() SJB 26th April 2005 */ static void app_rl_readlines(void) { #if defined(HAVE_GNUREADLINE) || defined(HAVE_BSDEDITLINE) /* GNU Readline Support -- Andrew Veliath */ char *line, *expanded_line; /* --- set up readline params --- */ strcpy(history_file, getenv("HOME")); strcat(history_file, "/."); strcat(history_file, application_name); strcat(history_file, "_history"); using_history(); read_history(history_file); rl_readline_name = application_name; rl_instream = cp_in; rl_outstream = cp_out; #ifndef X_DISPLAY_MISSING if (dispdev->Input == X11_Input) rl_event_hook = app_event_func; #endif rl_catch_signals = 0; /* disable signal handling */ /* sjb - what to do for editline? This variable is not supported by editline. */ #if defined(HAVE_GNUREADLINE) rl_catch_sigwinch = 1; /* allow readline to respond to resized windows */ #endif /* note that we want some mechanism to detect ctrl-D and expand it to exit */ for (;;) { history_set_pos(history_length); if (SETJMP(jbuf, 1)) /* Set location to jump to after handling SIGINT (ctrl-C) */ ft_sigintr_cleanup(); line = readline(prompt()); if (!line) { cp_evloop("quit"); continue; } if (*line) { int s = history_expand(line, &expanded_line); if (s == 2) { fprintf(stderr, "-> %s\n", expanded_line); } else if (s == -1) { fprintf(stderr, "readline: %s\n", expanded_line); } else { cp_evloop(expanded_line); add_history(expanded_line); } free(expanded_line); } free(line); } /* History gets written in ../fte/misccoms.c com_quit */ #else while (cp_evloop(NULL) == 1) ; #endif /* defined(HAVE_GNUREADLINE) || defined(HAVE_BSDEDITLINE) */ } /* -------------------------------------------------------------------------- */ static void show_help(void) { printf("Usage: %s [OPTION]... [FILE]...\n" "Simulate the electical circuits in FILE.\n" "\n" " -a --autorun run the loaded netlist\n" " -b, --batch process FILE in batch mode\n" " -c, --circuitfile=FILE set the circuitfile\n" " -i, --interactive run in interactive mode\n" " -n, --no-spiceinit don't load the local or user's config file\n" " -o, --output=FILE set the outputfile\n" " -p, --pipe run in I/O pipe mode\n" " -q, --completion activate command completion\n" " -r, --rawfile=FILE set the rawfile output\n" " --soa-log=FILE set the outputfile for SOA warnings\n" " -s, --server run spice as a server process\n" " -t, --term=TERM set the terminal type\n" " -h, --help display this help and exit\n" " -v, --version output version information and exit\n" "\n" "Report bugs to %s.\n", cp_program, Bug_Addr); } /* -------------------------------------------------------------------------- */ static void show_version(void) { printf("%s compiled from %s revision %s\n" "Written originally by Berkeley University\n" "Currently maintained by the NGSpice Project\n\n" "Copyright (C) 1985-1996," " The Regents of the University of California\n" "Copyright (C) 1999-2011," " The NGSpice Project\n", cp_program, PACKAGE, VERSION); } #ifdef SIMULATOR /* -------------------------------------------------------------------------- */ static void append_to_stream(FILE *dest, FILE *source) { char buf[BSIZE_SP]; size_t n; while ((n = fread(buf, 1, BSIZE_SP, source)) > 0) fwrite(buf, n, 1, dest); } #endif /* SIMULATOR */ /* -------------------------------------------------------------------------- */ /* Read an initialisation file. dir is the directory (use NULL or "" for current directory) name is the initialisation file's name Return true on success SJB 25th April 2005 */ static bool read_initialisation_file(char *dir, char *name) { char *path; bool result = FALSE; /* check name */ if (!name || *name == '\0') return FALSE; /* Fail; name needed */ /* contruct the full path */ if (!dir || *dir == '\0') { path = name; } else { path = tprintf("%s" DIR_PATHSEP "%s", dir, name); if (!path) return FALSE; /* memory allocation error */ } /* now access the file */ #ifdef HAVE_UNISTD_H if (access(path, R_OK) == 0) result = TRUE; #else { FILE *fp = fopen(path, "r"); if (fp) { fclose(fp); result = TRUE; } } #endif if (result) { inp_source(path); #ifdef TRACE printf("Init file: '%s'\n", path); #endif } if (path != name) tfree(path); return result; } /* -------------------------------------------------------------------------- */ static void print_news(void) { if (News_File && *News_File) { char *fname = cp_tildexpand(News_File); /*DG Memory leak */ FILE *fp = fopen(fname, "r"); tfree(fname); if (fp) { char buf[BSIZE_SP]; while (fgets(buf, BSIZE_SP, fp)) fputs(buf, stdout); fclose(fp); } } } #ifdef HAS_WINGUI #define main xmain #endif int main(int argc, char **argv) { char log_file[BSIZE_SP]; char soa_log_file[BSIZE_SP]; volatile bool readinit = TRUE; volatile bool istty = TRUE; bool iflag = FALSE; bool qflag = FALSE; FILE * volatile circuit_file; bool oflag = FALSE; bool srflag = FALSE; #ifdef TRACE /* this is used to detect memory leaks during debugging */ /* added by SDB during debug . . . . */ /* mtrace(); */ #endif #ifdef TRACE /* this is also used for memory leak plugging . . . */ /* added by SDB during debug . . . . */ /* mwDoFlush(1); */ #endif /* MFB tends to jump to 0 on errors. This tends to catch it. */ { static int started = 0; if (started++) { fprintf(cp_err, "main: Internal Error: jump to zero\n"); sp_shutdown(EXIT_BAD); } } #if defined(HAVE_GNUREADLINE) || defined(HAVE_BSDEDITLINE) application_name = strrchr(argv[0], '/'); if (application_name) application_name ++; else application_name = argv[0]; #endif ivars(argv[0]); cp_in = stdin; cp_out = stdout; cp_err = stderr; circuit_file = stdin; #if defined(HAVE_ISATTY) && !defined(HAS_WINGUI) istty = (bool) isatty(fileno(stdin)); #endif init_time(); { int rv = SIMinit(&nutmeginfo, &ft_sim); if (rv != OK) { ft_sperror(rv, "SIMinit"); sp_shutdown(EXIT_BAD); } } cp_program = ft_sim->simulator; srand((unsigned int) getpid()); TausSeed(); /* --- Process command line options --- */ for (;;) { enum { soa_log = 1001, }; static struct option long_options[] = { {"help", no_argument, 0, 'h'}, {"version", no_argument, 0, 'v'}, {"batch", no_argument, 0, 'b'}, {"autorun", no_argument, 0, 'a'}, {"circuitfile", required_argument, 0, 'c'}, {"interactive", no_argument, 0, 'i'}, {"no-spiceinit", no_argument, 0, 'n'}, {"output", required_argument, 0, 'o'}, {"pipe", no_argument, 0, 'p'}, {"completion", no_argument, 0, 'q'}, {"rawfile", required_argument, 0, 'r'}, {"server", no_argument, 0, 's'}, {"terminal", required_argument, 0, 't'}, {"soa-log", required_argument, 0, soa_log}, {0, 0, 0, 0} }; int option_index = 0; int c = getopt_long(argc, argv, "hvbac:ino:pqr:st:", long_options, &option_index); if (c == -1) break; switch (c) { case 'h': /* Help */ show_help(); sp_shutdown(EXIT_INFO); break; case 'v': /* Version info */ show_version(); sp_shutdown(EXIT_INFO); break; case 'b': /* Batch mode */ { bool x_false = FALSE; cp_vset("addcontrol", CP_BOOL, &x_false); ft_batchmode = TRUE; } break; case 'a': /* Add control section for autorun */ if (!ft_batchmode) { bool x_true = TRUE; cp_vset("addcontrol", CP_BOOL, &x_true); } break; case 'c': /* Circuit file */ if (optarg) { if ((circuit_file = fopen(optarg, "r")) == NULL) { perror(optarg); sp_shutdown(EXIT_BAD); } istty = FALSE; } break; case 'i': /* Interactive mode */ iflag = TRUE; break; case 'n': /* Don't read initialisation file */ readinit = FALSE; break; case 'o': /* Output file */ if (optarg) { /* switch to line buffering for stdout */ setvbuf(stdout, NULL, _IOLBF, BUFSIZ); sprintf(log_file, "%s", optarg); oflag = TRUE; } break; case 'p': /* Run in pipe mode */ iflag = TRUE; istty = TRUE; ft_pipemode = TRUE; /* switch to line buffering for stdout */ setvbuf(stdout, NULL, _IOLBF, BUFSIZ); break; case 'q': /* Command completion */ qflag = TRUE; break; case 'r': /* The raw file */ if (optarg) cp_vset("rawfile", CP_STRING, optarg); rflag = TRUE; break; case 's': /* Server mode */ ft_servermode = TRUE; break; case 't': if (optarg) cp_vset("term", CP_STRING, optarg); break; case soa_log: if (optarg) { sprintf(soa_log_file, "%s", optarg); srflag = TRUE; } break; case '?': break; default: printf ("?? getopt returned character code 0%o ??\n", c); } } /* --- End of command line option processing (While(1)-loop) --- */ if (oflag) { /* -o option has been set */ com_version(NULL); if (ft_servermode) fprintf(stdout, "\nServer mode\n\n"); else if (ft_batchmode) fprintf(stdout, "\nBatch mode\n\n"); else fprintf(stdout, "\nInteractive mode, better used without -o option\n\n"); if (rflag) fprintf(stdout, "Simulation output goes to rawfile: %s\n", ft_rawfile); fprintf(stdout, "Comments and warnings go to log-file: %s\n\n", log_file); /* Open the log file */ #ifdef HAS_WINGUI /* flogp used by winmain's putc which writes to file 'log_file' */ flogp = fopen(log_file, "w"); if (!flogp) { perror(log_file); sp_shutdown(EXIT_BAD); } #else orflag = TRUE; /* Connect stdout and stderr to file log_file and log stdout */ if (!freopen(log_file, "w", stdout)) { perror(log_file); sp_shutdown(EXIT_BAD); } dup2(fileno(stdout), fileno(stderr)); setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* enable line buffering */ #endif } /* orflag */ if (srflag) { /* --soa-log option has been set */ fprintf(stdout, "\nSOA warnings go to log-file: %s\n", soa_log_file); /* Open the soa log file */ slogp = fopen(soa_log_file, "w"); if (!slogp) { perror(soa_log_file); sp_shutdown(EXIT_BAD); } } /* srflag */ #ifdef SIMULATOR if_getparam = spif_getparam_special; #else if_getparam = nutif_getparam; #endif if ((!iflag && !istty) || ft_servermode) /* (batch and file) or server operation */ ft_batchmode = TRUE; if ((iflag && !istty) || qflag) /* (interactive and file) or command completion */ cp_nocc = TRUE; /* set command completion */ else cp_nocc = FALSE; if (ft_servermode) /* in server no init file */ readinit = FALSE; if (!istty || ft_batchmode) /* file or batch - no more output */ out_moremode = FALSE; /* Get information on memory status upon startup. Would like to do this later, but cpinit evals commands. fcn is in resource.c */ init_rlimits(); /* Have to initialize cp now. fcn is in cpitf.c*/ ft_cpinit(); /* Set up signal handling */ if (!ft_batchmode) { /* Set up interrupt handler */ signal(SIGINT, (SIGNAL_FUNCTION) ft_sigintr); /* floating point exception */ signal(SIGFPE, (SIGNAL_FUNCTION) sigfloat); #ifdef SIGTSTP signal(SIGTSTP, (SIGNAL_FUNCTION) sigstop); #endif } /* Set up signal handling for fatal errors. */ signal(SIGILL, (SIGNAL_FUNCTION) sigill); #ifdef SIGBUS signal(SIGBUS, (SIGNAL_FUNCTION) sigbus); #endif #if defined(SIGSEGV) && !defined(NGDEBUG) && defined(HAS_WINGUI) /* Allow a comment and graceful shutdown after seg fault */ signal(SIGSEGV, (SIGNAL_FUNCTION) sigsegv); #endif #ifdef SIGSYS signal(SIGSYS, (SIGNAL_FUNCTION) sig_sys); #endif /* To catch interrupts during .spiceinit... */ if (SETJMP(jbuf, 1)) { ft_sigintr_cleanup(); fprintf(cp_err, "Warning: error executing .spiceinit.\n"); } else { if (readinit) { /* load user's initialisation file try accessing the initialisation file in the current directory if that fails try the alternate name */ if (FALSE == read_initialisation_file("", INITSTR) && FALSE == read_initialisation_file("", ALT_INITSTR)) { /* if that failed try in the user's home directory if their HOME environment variable is set */ char *homedir = getenv("HOME"); if (homedir) if (FALSE == read_initialisation_file(homedir, INITSTR) && FALSE == read_initialisation_file(homedir, ALT_INITSTR)) { ; } } } if (!ft_batchmode) { com_version(NULL); DevInit(); print_news(); } } #ifdef SIMULATOR /* Pass 2 -- get the filenames. If we are spice, then this means * build a circuit for this file. If this is in server mode, don't * process any of these args. */ if (SETJMP(jbuf, 1)) { ft_sigintr_cleanup(); fprintf(cp_err, "Warning: error executing during ngspice startup.\n"); } else { bool gotone = FALSE; cp_interactive = FALSE; #ifdef FastRand // initialization and seed for FastNorm Gaussian random generator { unsigned int rseed = 66; initnorm(0, 0); if (!cp_getvar("rndseed", CP_NUM, &rseed)) { time_t acttime = time(NULL); rseed = (unsigned int) acttime; } initnorm(rseed, 2); fprintf(cp_out, "SoS %f, seed value: %ld\n", renormalize(), rseed); } #elif defined(WaGauss) { unsigned int rseed = 66; if (!cp_getvar("rndseed", CP_NUM, &rseed)) { time_t acttime = time(NULL); rseed = (unsigned int) acttime; } srand(rseed); initw(); } #endif if (!ft_servermode) { int err = 0; /* Concatenate all non-option arguments into a temporary file and load that file into the spice core. The original routine took a special path if there was only one non-option argument. In that case, it didn't create the temporary file but used the original file instead. The current algorithm is uniform at the expense of a little startup time. */ FILE *tempfile = tmpfile(); #if defined(HAS_WINGUI) || defined(_MSC_VER) || defined(__MINGW32__) char *dname = NULL; /* input file*/ char *tpf = NULL; /* temporary file */ /* tmpfile() returns NULL, if in MS Windows as non admin user in directory C:\something (no write permission to root C:). Then we add a tempfile in the local directory. File will be removed automatically due to TD option in fopen */ if (tempfile == NULL) { tpf = smktemp("sp"); tempfile = fopen(tpf, "w+bTD"); if (tempfile == NULL) { fprintf(stderr, "Could not open a temporary file to save and use optional arguments."); sp_shutdown(EXIT_BAD); } } #endif if (!tempfile) { perror("tmpfile()"); sp_shutdown(EXIT_BAD); } if (optind == argc && !istty) append_to_stream(tempfile, stdin); while (optind < argc) { char *arg = argv[optind++]; FILE *tp; /* Copy the the path of the first filename only */ if (!Infile_Path) Infile_Path = ngdirname(arg); /* Copy all the arguments into the temporary file */ tp = fopen(arg, "r"); if (!tp) { char *lbuffer = getenv("NGSPICE_INPUT_DIR"); if (lbuffer && *lbuffer) { char *p = tprintf("%s%s%s", lbuffer, DIR_PATHSEP, arg); tp = fopen(p, "r"); tfree(p); } if (!tp) { perror(arg); err = 1; break; } } #if defined(HAS_WINGUI) || defined(_MSC_VER) || defined(__MINGW32__) /* Copy the input file name which otherwise will be lost due to the temporary file */ dname = copy(arg); #endif #if defined(HAS_WINGUI) /* write source file name into source window */ SetSource(dname); #endif append_to_stream(tempfile, tp); fclose(tp); } fseek(tempfile, 0L, SEEK_SET); if (tempfile && (!err || !ft_batchmode)) { #if defined(HAS_WINGUI) || defined(_MSC_VER) || defined(__MINGW32__) /* Copy the input file name for adding another file search path */ inp_spsource(tempfile, FALSE, dname, FALSE); tfree(dname); #else inp_spsource(tempfile, FALSE, NULL, FALSE); #endif gotone = TRUE; } if (ft_batchmode && err) sp_shutdown(EXIT_BAD); } /* --- if (!ft_servermode) --- */ if (!gotone && ft_batchmode) inp_spsource(circuit_file, FALSE, NULL, FALSE); } if (ft_batchmode) { /* If we get back here in batch mode then something is wrong, * so exit. */ if (SETJMP(jbuf, 1)) { ft_sigintr_cleanup(); sp_shutdown(EXIT_BAD); } if (ft_servermode) { if (ft_curckt == NULL) { fprintf(cp_err, "Error: no circuit loaded!\n"); sp_shutdown(EXIT_BAD); } if (ft_dorun("")) sp_shutdown(EXIT_BAD); sp_shutdown(EXIT_NORMAL); } cp_interactive = FALSE; if (rflag) { /* If -r is specified, then dot cards (.width, .plot, .print, .op, .meas, .tf) are ignored, except .save, which has been handled by ft_dotsaves() from within inp_spsource (), data are put into linked list dbs. */ int error2 = ft_dorun(ft_rawfile); /* Execute the .whatever lines found in the deck, after we are done running. */ if (ft_cktcoms(TRUE) || error2) sp_shutdown(EXIT_BAD); } else if (ft_savedotargs()) { /* all dot card data to be put into dbs */ int error2 = ft_dorun(NULL); /* Execute the .whatever lines found in the deck, after we are done running. */ if (ft_cktcoms(FALSE) || error2) sp_shutdown(EXIT_BAD); } else { fprintf(stderr, "Note: No \".plot\", \".print\", or \".fourier\" lines; " "no simulations run\n"); sp_shutdown(EXIT_BAD); } sp_shutdown(EXIT_NORMAL); return 0; } /* --- if (ft_batchmode) --- */ #else /* ~ SIMULATOR */ if (SETJMP(jbuf, 1)) { ft_sigintr_cleanup(); fprintf(cp_err, "Warning: error executing during ft_loadfile().\n"); } else { cp_interactive = FALSE; while (optind < argc) ft_loadfile(argv[optind++]); } #endif /* ~ SIMULATOR */ for (;;) if (!SETJMP(jbuf, 1)) { /* enter the command processing loop */ cp_interactive = TRUE; app_rl_readlines(); } else { ft_sigintr_cleanup(); } }