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Diffstat (limited to 'Build/source/texk/chktex/chktex-1.7.1/ChkTeX.c')
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1 files changed, 1054 insertions, 0 deletions
diff --git a/Build/source/texk/chktex/chktex-1.7.1/ChkTeX.c b/Build/source/texk/chktex/chktex-1.7.1/ChkTeX.c new file mode 100644 index 00000000000..1bddf930e46 --- /dev/null +++ b/Build/source/texk/chktex/chktex-1.7.1/ChkTeX.c @@ -0,0 +1,1054 @@ +/* + * ChkTeX, finds typographic errors in (La)TeX files. + * Copyright (C) 1995-96 Jens T. Berger Thielemann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Contact the author at: + * Jens Berger + * Spektrumvn. 4 + * N-0666 Oslo + * Norway + * E-mail: <jensthi@ifi.uio.no> + * + * + */ + + +#ifndef KPATHSEA +#include "getopt.h" +#endif +#include "ChkTeX.h" +#include "OpSys.h" +#include "Utility.h" +#include "FindErrs.h" +#include "Resource.h" +#include <string.h> + +#undef MSG +#define MSG(num, type, inuse, ctxt, text) {num, type, inuse, ctxt, text}, + +struct ErrMsg PrgMsgs[pmMaxFault + 1] = { + PRGMSGS {pmMaxFault, etErr, TRUE, 0, INTERNFAULT} +}; + +struct Stack CharStack = { + 0L +}, InputStack = + +{ +0L}, EnvStack = + +{ +0L}; + +/************************************************************************/ + +const char BrOrder[NUMBRACKETS + 1] = "()[]{}"; + +unsigned long Brackets[NUMBRACKETS]; + +/************************************************************************/ + + +/* + * Have to do things this way, to ease some checking throughout the + * program. + */ + + +NEWBUF(TmpBuffer, BUFSIZ); +NEWBUF(ReadBuffer, BUFSIZ); + +static const char *Banner = + "ChkTeX v" PACKAGE_VERSION " - Copyright 1995-96 Jens T. Berger Thielemann.\n" +#ifdef __OS2__ + "OS/2 port generated with emx compiler, by Wolfgang Fritsch, <fritsch@hmi.de>\n" +#elif defined(__MSDOS__) + "MS-DOS port by Bj\\o rn Ove Thue, <bjort@ifi.uio.no>\n" +#endif +#if HAVE_PCRE + "Compiled with PCRE regex support." +#else +#if HAVE_POSIX_ERE + "Compiled with POSIX extended regex support." +#else + "Compiled with no regex support." +#endif +#endif + "\n"; + +static const char *BigBanner = + "ChkTeX comes with ABSOLUTELY NO WARRANTY; details on this and\n" + "distribution conditions in the GNU General Public License file.\n" + "Type \"ChkTeX -h\" for help, \"ChkTeX -i\" for distribution info.\n" + "Author: Jens Berger, Spektrumvn. 4, N-0666 Oslo, Norway.\n" + "E-mail: <jensthi@ifi.uio.no>\n" + "Press " STDIN_BREAK " to terminate stdin input.\n"; + +static const char *Distrib = + "\n" + "This program is free software; you can redistribute it and/or modify\n" + "it under the terms of the GNU General Public License as published by\n" + "the Free Software Foundation; either version 2 of the License, or\n" + "(at your option) any later version.\n" + "\n" + "This program is distributed in the hope that it will be useful,\n" + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + "GNU General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU General Public License\n" + "along with this program; if not, write to the Free Software\n" + "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\n"; + +static const char *OnText = "On"; + +static const char *OffText = "Off"; + +static const char *HowHelp = + "-h or --help gives usage information. See also ChkTeX.{ps,dvi}.\n"; + +static const char *HelpText = + "\n" + "\n" + " Usage of ChkTeX v" PACKAGE_VERSION "\n" + " ~~~~~~~~~~~~~~~~~~~~~~\n" + "\n" + " Template\n" + " ~~~~~~~~\n" + "chktex [-hiqrW] [-v[0-...]] [-l <rcfile>] [-[wemn] <[1-42]|all>]\n" + " [-d[0-...]] [-p <name>] [-o <outfile>] [-[btxgI][0|1]]\n" + " file1 file2 ...\n" + "\n" + "----------------------------------------------------------------------\n" + " Description of options:\n" + " ~~~~~~~~~~~~~~~~~~~~~~~\n" + "Misc. options\n" + "~~~~~~~~~~~~~\n" + " -h --help : This text.\n" + " -i --license : Show distribution information\n" + " -l --localrc : Read local .chktexrc formatted file.\n" + " -d --debug : Debug information. Give it a number.\n" + " -r --reset : Reset settings to default.\n" + "\n" + "Muting warning messages:\n" + "~~~~~~~~~~~~~~~~~~~~~~~~\n" + " -w --warnon : Makes msg # given a warning and turns it on.\n" + " -e --erroron : Makes msg # given an error and turns it on.\n" + " -m --msgon : Makes msg # given a message and turns it on.\n" + " -n --nowarn : Mutes msg # given.\n" + " -L --nolinesupp: Disables per-line suppressions.\n" + "\n" + "Output control flags:\n" + "~~~~~~~~~~~~~~~~~~~~~\n" + " -v --verbosity : How errors are displayed.\n" + " Default 1, 0=Less, 2=Fancy, 3=lacheck.\n" + " -V --pipeverb : How errors are displayed when stdout != tty.\n" + " Defaults to the same as -v.\n" + " -s --splitchar : String used to split fields when doing -v0\n" + " -o --output : Redirect error report to a file.\n" + " -q --quiet : Shuts up about version information.\n" + " -p --pseudoname: Input file-name when reporting.\n" + " -f --format : Format to use for output\n" + "\n" + "Boolean switches (1 -> enables / 0 -> disables):\n" + "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n" + " -b --backup : Backup output file.\n" + " -x --wipeverb : Ignore contents of `\\verb' commands.\n" + " -g --globalrc : Read global .chktexrc file.\n" + " -I --inputfiles: Execute \\input statements.\n" + " -H --headererr : Show errors found in front of \\begin{document}\n" + "\n" + "Miscellaneous switches:\n" + "~~~~~~~~~~~~~~~~~~~~~~~\n" + " -W --version : Version information\n" + "\n" + "----------------------------------------------------------------------\n" + "If no LaTeX files are specified on the command line, we will read from\n" + "stdin. For explanation of warning/error messages, please consult the\n" + "main documentation ChkTeX.dvi, ChkTeX.ps or ChkTeX.pdf.\n"; + + + + +/* + * Options we will set. + * + */ + +enum Quote Quote; + +char VerbNormal[] = "%k %n in %f line %l: %m\n" "%r%s%t\n" "%u\n"; + +#define DEF(type, name, value) type name = value; +OPTION_DEFAULTS; +STATE_VARS; +#undef DEF +FILE *OutputFile = NULL; + +char *PrgName; + +int StdInTTY, StdOutTTY; + +/* + * End of config params. + */ + +static int ParseArgs(int argc, char **argv); +static void ShowIntStatus(void); +static int OpenOut(void); +static int ShiftArg(char **Argument); + + +/* + * Duplicates all arguments, and appends an asterix to each of them. + */ + +static void AddStars(struct WordList *wl) +{ + unsigned long Count, CmdLen; + char *Data; + + FORWL(Count, *wl) + { + Data = wl->Stack.Data[Count]; + CmdLen = strlen(Data); + if (Data[CmdLen - 1] != '*') + { + strcpy(TmpBuffer, Data); + strcat(TmpBuffer, "*"); + InsertWord(TmpBuffer, wl); + } + } +} + +/* + * Sets up all the lists. + * + */ + +static void SetupLists(void) +{ + unsigned long i; + + AddStars(&VerbEnvir); + AddStars(&MathEnvir); + + MakeLower(&UserWarnCase); + + ListRep(&WipeArg, ':', 0); + ListRep(&NoCharNext, ':', 0); + +#define ThisItem ((char *) AbbrevCase.Stack.Data[i]) + + FORWL(i, AbbrevCase) + { + if (isalpha((unsigned char)ThisItem[0])) + { + ThisItem[0] = toupper((unsigned char)ThisItem[0]); + InsertWord(ThisItem, &Abbrev); + ThisItem[0] = tolower((unsigned char)ThisItem[0]); + } + InsertWord(ThisItem, &Abbrev); + } +} + +#define NOCOMMON(a,b) NoCommon(&a,#a,&b,#b) + +/* + * Checks that two lists don't have any common element. + */ + +static void +NoCommon(struct WordList *a, const char *aName, + struct WordList *b, const char *bName) +{ + unsigned long i; + + FORWL(i, *a) + { + if (HasWord((char *) a->Stack.Data[i], b)) + PrintPrgErr(pmNoCommon, a->Stack.Data[i], aName, bName); + } +} + +/* + * Expands the tabs in a string to regular intervals sized + * TSize. + */ + +static void ExpandTabs(char *From, char *To, long TSize) +{ + char *Next; + char *Orig; + unsigned long Diff; + + Next = From; + Orig = To; + + while ((Next = strchr(From, '\t'))) + { + if ((Diff = Next - From)) + { + strncpy(To, From, Diff); + To += Diff; + Diff = TSize - ((To - Orig) % TSize); + } + else + Diff = TSize; + + memset(To, ' ', Diff); + To += Diff; + + From = ++Next; + } + strcpy(To, From); +} + + +int main(int argc, char **argv) +{ + int retval = EXIT_FAILURE, CurArg; + unsigned long Count; + int StdInUse = FALSE; + long Tab = 8; + +#ifdef __LOCALIZED + + InitStrings(); +#endif + + OutputFile = stdout; + PrgName = argv[0]; + +#undef KEY +#undef LCASE +#undef LIST +#undef LNEMPTY +#define KEY(a, def) +#define LCASE(a) +#define LIST(a) +#define LNEMPTY(a) InsertWord("", &a); + + RESOURCE_INFO; + + while (SetupVars()) + ReadRC(ConfigFile); + + if (CmdLine.Stack.Used) + { + ParseArgs(CmdLine.Stack.Used, (char **) CmdLine.Stack.Data); + CmdLine.Stack.Used = 1L; + } + + if ((CurArg = ParseArgs((unsigned long) argc, argv))) + { + if (CmdLine.Stack.Used) + { + ParseArgs(CmdLine.Stack.Used, (char **) CmdLine.Stack.Data); + CmdLine.Stack.Used = 1L; + } + + if (!Quiet || LicenseOnly) + fprintf(stderr, "%s", Banner); + + if (CurArg == argc) + UsingStdIn = TRUE; + +#if defined(HAVE_FILENO) && defined(HAVE_ISATTY) + + StdInTTY = isatty(fileno(stdin)); + StdOutTTY = isatty(fileno(stdout)); +#else + + StdInTTY = StdOutTTY = TRUE; +#endif + + SetupTerm(); + + if ((UsingStdIn && StdInTTY && !Quiet) || LicenseOnly) + { + fprintf(stderr, "%s", BigBanner); + } + + if (!StdOutTTY && PipeOutputFormat) + OutputFormat = PipeOutputFormat; + + if (LicenseOnly) + { + fprintf(stderr, "%s", Distrib); + } + else + { + SetupLists(); + if (QuoteStyle) + { + if (!strcasecmp(QuoteStyle, "LOGICAL")) + Quote = quLogic; + else if (!strcasecmp(QuoteStyle, "TRADITIONAL")) + Quote = quTrad; + else + { + PrintPrgErr(pmQuoteStyle, QuoteStyle); + Quote = quTrad; + } + } + + if (DebugLevel) + ShowIntStatus(); + + NOCOMMON(Italic, NonItalic); + NOCOMMON(Italic, ItalCmd); + NOCOMMON(LowDots, CenterDots); + + if (TabSize && isdigit((unsigned char)*TabSize)) + Tab = strtol(TabSize, NULL, 10); + + if (OpenOut()) + { + for (;;) + { + for (Count = 0; Count < NUMBRACKETS; Count++) + Brackets[Count] = 0L; + +#define DEF(type, name, value) name = value; + STATE_VARS; +#undef DEF + if (UsingStdIn) + { + if (StdInUse) + break; + else + { + StdInUse = TRUE; + PushFile("stdin", stdin, &InputStack); + } + } + else + { + if (CurArg <= argc) + { + const char *filename = NULL; + if (CurArg < argc) + filename = argv[CurArg++]; + + if (!PushFileName(filename, &InputStack)) + break; + } + } + + if (StkTop(&InputStack) && OutputFile) + { + while (!ferror(OutputFile) + && StkTop(&InputStack) + && !ferror(CurStkFile(&InputStack)) + && FGetsStk(ReadBuffer, BUFSIZ - 1, + &InputStack)) + { + + /* Make all spaces ordinary spaces */ + + strrep(ReadBuffer, '\n', ' '); + strrep(ReadBuffer, '\r', ' '); + ExpandTabs(ReadBuffer, TmpBuffer, Tab); + strcpy(ReadBuffer, TmpBuffer); + + strcat(ReadBuffer, " "); + FindErr(ReadBuffer, CurStkLine(&InputStack)); + } + + PrintStatus(CurStkLine(&InputStack)); + retval = EXIT_SUCCESS; + } + } + } + } + } + return retval; +} + +/* + * Opens the output file handle & possibly renames + */ + +static int OpenOut(void) +{ + int Success = TRUE; + + if (*OutputName) + { + if (BackupOut && fexists(OutputName)) + { + strcpy(TmpBuffer, OutputName); + AddAppendix(TmpBuffer, BAKAPPENDIX); + + if (fexists(TmpBuffer)) + remove(TmpBuffer); + + if (!rename(OutputName, TmpBuffer)) + PrintPrgErr(pmRename, OutputName, TmpBuffer); + else + { + PrintPrgErr(pmRenameErr, OutputName, TmpBuffer); + Success = FALSE; + } + + } + + if (Success) + { + if (!(OutputFile = fopen(OutputName, "w"))) + { + PrintPrgErr(pmOutOpen); + Success = FALSE; + } + } + } + else + OutputFile = stdout; + + return (Success); +} + +#ifndef STRIP_DEBUG +static void ShowWL(const char *Name, const struct WordList *wl) +{ + unsigned long i, j, percent; + + fprintf(stderr, "Name: %12s", Name); + + if (DebugLevel & FLG_DbgListInfo) + { + fprintf(stderr, ", MaxLen: %3ld, Entries: %3ld, ", + wl->MaxLen, wl->Stack.Used); + + if (wl->Hash.Index && wl->Stack.Used) + { + for (i = j = 0; i < HASH_SIZE; i++) + { + if (wl->Hash.Index[i]) + j++; + } + percent = (j * 10000) / wl->Stack.Used; + + + fprintf(stderr, "Hash usage: %3ld.%02ld%%", + percent / 100, percent % 100); + } + else + fprintf(stderr, "No hash table."); + } + + fputc('\n', stderr); + + if (DebugLevel & FLG_DbgListCont) + { + FORWL(i, *wl) fprintf(stderr, "\t%s\n", (char *) wl->Stack.Data[i]); + } +} +#endif + +#define BOOLDISP(var) ((var)? OnText : OffText) +#define SHOWSTAT(text, arg) fprintf(stderr, "\t" text ": %s\n", arg) +#define BOOLSTAT(name, var) SHOWSTAT(name, BOOLDISP(var)) +#define SHOWSTR(text, arg) fprintf(stderr, "%s:\n\t%s\n", text, arg); + + +/* + * Prints some of the internal flags; mainly for debugging purposes + */ + +static void ShowIntStatus(void) +{ +#ifndef STRIP_DEBUG + unsigned long Cnt; + const char *String; + const char *iuStr = ""; + + if (DebugLevel & FLG_DbgMsgs) + { + fprintf(stderr, "There are %d warnings/error messages available:\n", + emMaxFault - emMinFault - 1); + + for (Cnt = emMinFault + 1; Cnt < emMaxFault; Cnt++) + { + switch (LaTeXMsgs[Cnt].Type) + { + case etWarn: + String = "Warning"; + break; + case etErr: + String = "Error"; + break; + case etMsg: + String = "Message"; + break; + default: + String = ""; + break; + } + + switch (LaTeXMsgs[Cnt].InUse) + { + case iuOK: + iuStr = "In use"; + break; + case iuNotUser: + iuStr = "User muted"; + break; + case iuNotSys: + iuStr = "System muted"; + break; + } + + fprintf(stderr, "Number: %2ld, Type: %s, Status: %s\n" + "\tText: %s\n\n", + Cnt, String, iuStr, LaTeXMsgs[Cnt].Message); + } + } + +#undef KEY +#undef LCASE +#undef LNEMPTY +#undef LIST + +#define LNEMPTY LIST +#define LIST(a) ShowWL(#a, &a); +#define LCASE(a) LIST(a); LIST(a ## Case); +#define KEY(a,def) SHOWSTR(#a, a); + + + if (DebugLevel & (FLG_DbgListInfo | FLG_DbgListCont)) + { + RESOURCE_INFO; + } + + if (DebugLevel & FLG_DbgOtherInfo) + { + SHOWSTR("Outputformat", OutputFormat); + + fprintf(stderr, "Current flags include:\n"); + + BOOLSTAT("Read global resource", GlobalRC); + BOOLSTAT("Wipe verbose commands", WipeVerb); + BOOLSTAT("Backup outfile", BackupOut); + BOOLSTAT("Quiet mode", Quiet); + BOOLSTAT("Show license", LicenseOnly); + BOOLSTAT("Use stdin", UsingStdIn); + BOOLSTAT("\\input files", InputFiles); + BOOLSTAT("Output header errors", HeadErrOut); + BOOLSTAT("No line suppressions", NoLineSupp); + } +#endif +} + +/* + * Resets all stacks. + * + */ + +#undef KEY +#undef LCASE +#undef LNEMPTY +#undef LIST + +#define LNEMPTY LIST +#define LIST(a) ClearWord(&a); +#define LCASE(a) LIST(a); LIST(a ## Case); +#define KEY(a,def) a = def; + +static void ResetStacks(void) +{ + RESOURCE_INFO; + +} + +/* + * Resets all flags (not wordlists) to their default values. Sets + * Outputfile to stdout. + * + */ + +static void ResetSettings(void) +{ + +#define DEF(type, name, value) name = value; + OPTION_DEFAULTS; +#undef DEF + if (OutputFile != stdout) + { + fclose(OutputFile); + OutputFile = stdout; + } +} + +/* + * Reads a numerical argument from the argument. Supports concatenation + * of arguments (main purpose) + */ + +static int ParseNumArg(long *Dest, /* Where to put the value */ + long Default, /* Value to put in if no in argue */ + char **Argument) /* optarg or similar */ +{ + if (Argument && *Argument && isdigit((unsigned char)**Argument)) + *Dest = strtol(*Argument, Argument, 10); + else + *Dest = Default; + + return (ShiftArg(Argument)); +} + +/* + * Same as above; however, will toggle the boolean if user doesn't + * supply value + */ + +static int ParseBoolArg(int *Dest, /* Boolean value */ + char **Argument) /* optarg or similar */ +{ + long D = *Dest ? 1L : 0L; + int Retval; + + Retval = ParseNumArg(&D, *Dest ? 0L : 1L, Argument); + + *Dest = D ? TRUE : FALSE; + + return (Retval); +} + +/* + * Returns the first character in the string passed, updates the + * string pointer, if the string is non-empty. + * + * 0 if the string is empty. + */ + +static int ShiftArg(char **Argument) /* optarg or similar */ +{ + if (Argument && *Argument && **Argument) + return (*((char *) (*Argument)++)); + else + return 0; +} + +/* + * Parses an argv similar array. + */ + +static int ParseArgs(int argc, char **argv) +{ + /* Needed for option parsing. */ + + static const struct option long_options[] = { + {"help", no_argument, 0L, 'h'}, + {"localrc", required_argument, 0L, 'l'}, + {"output", required_argument, 0L, 'o'}, + {"warnon", required_argument, 0L, 'w'}, + {"erroron", required_argument, 0L, 'e'}, + {"msgon", required_argument, 0L, 'm'}, + {"nowarn", required_argument, 0L, 'n'}, + {"nolinesupp", no_argument, 0L, 'L'}, + {"verbosity", optional_argument, 0L, 'v'}, + {"pipeverb", optional_argument, 0L, 'V'}, + {"debug", required_argument, 0L, 'd'}, + {"reset", no_argument, 0L, 'r'}, + {"quiet", no_argument, 0L, 'q'}, + {"license", no_argument, 0L, 'i'}, + {"splitchar", required_argument, 0L, 's'}, + {"format", required_argument, 0L, 'f'}, + {"pseudoname", required_argument, 0L, 'p'}, + + {"inputfiles", optional_argument, 0L, 'I'}, + {"backup", optional_argument, 0L, 'b'}, + {"globalrc", optional_argument, 0L, 'g'}, + {"wipeverb", optional_argument, 0L, 'x'}, + {"tictoc", optional_argument, 0L, 't'}, + {"headererr", optional_argument, 0L, 'H'}, + {"version", no_argument, 0L, 'W'}, + + {0L, 0L, 0L, 0L} + }; + + int option_index = 0L, c, i, nextc, ErrType; + + int Retval = FALSE, InUse; + int Success, Foo; + long Err, Verb = 1, PipeVerb = 1; + + enum + { + aeNoErr = 0, + aeArg, /* missing/bad required argument */ + aeOpt, /* unknown option returned */ + aeHelp, /* just a call for help */ + aeMem /* no memory */ + } ArgErr = aeNoErr; + + optind = 0; + + while (!ArgErr && + ((c = getopt_long((int) argc, argv, + "b::d:e:f:g::hH::I::il:m:n:Lo:p:qrs:t::v::V::w:Wx::", + long_options, &option_index)) != EOF)) + { + while (c) + { + nextc = 0; + switch (c) + { + case 's': + if (!(Delimit = strdup(optarg))) + { + PrintPrgErr(pmStrDupErr); + ArgErr = aeMem; + } + + break; + case 'p': + if (!(PseudoInName = strdup(optarg))) + { + PrintPrgErr(pmStrDupErr); + ArgErr = aeMem; + } + + break; + + case 'd': +#ifdef STRIP_DEBUG + + PrintPrgErr(pmNoDebugFlag); +#else + + nextc = ParseNumArg(&DebugLevel, 0xffff, &optarg); +#endif + + break; + case 'i': + LicenseOnly = TRUE; + + nextc = ShiftArg(&optarg); + break; + case 'L': + NoLineSupp = TRUE; + + nextc = ShiftArg(&optarg); + break; + case 'q': + Quiet = TRUE; + + nextc = ShiftArg(&optarg); + break; + + LOOP(warntype, case 'w': + ErrType = etWarn; InUse = iuOK; LAST(warntype); case 'e': + ErrType = etErr; InUse = iuOK; LAST(warntype); case 'm': + ErrType = etMsg; InUse = iuOK; LAST(warntype); case 'n': + ErrType = etMsg; InUse = iuNotUser; LAST(warntype);) if (isdigit((unsigned char)*optarg)) + { + nextc = ParseNumArg(&Err, -1, &optarg); + if (betw(emMinFault, Err, emMaxFault)) + { + LaTeXMsgs[Err].Type = ErrType; + LaTeXMsgs[Err].InUse = InUse; + } + else + { + ArgErr = aeOpt; + PrintPrgErr(pmWarnNumErr); + } + } + else if (!strcasecmp(optarg, "all")) + { + for (i = emMinFault + 1; i < emMaxFault; i++) + { + LaTeXMsgs[i].Type = ErrType; + LaTeXMsgs[i].InUse = InUse; + } + } + else + { + ArgErr = aeOpt; + PrintPrgErr(pmWarnNumErr); + } + + break; + + case 'g': + nextc = ParseBoolArg(&GlobalRC, &optarg); + if (!GlobalRC) + { + ResetStacks(); + } + break; + + case 'r': + ResetSettings(); + nextc = ShiftArg(&optarg); + break; + + case 'l': + if (optarg) + ReadRC(optarg); + break; + + case 'f': + if (!(OutputFormat = strdup(optarg))) + { + PrintPrgErr(pmStrDupErr); + ArgErr = aeMem; + } + break; + + case 'v': + nextc = ParseNumArg(&Verb, 2, &optarg); + + if (Verb < (long) OutFormat.Stack.Used) + OutputFormat = strdup(OutFormat.Stack.Data[Verb]); + else + { + PrintPrgErr(pmVerbLevErr); + ArgErr = aeArg; + } + break; + case 'V': + nextc = ParseNumArg(&PipeVerb, 1, &optarg); + + if (PipeVerb < (long) OutFormat.Stack.Used) + PipeOutputFormat = strdup(OutFormat.Stack.Data[PipeVerb]); + else + { + PrintPrgErr(pmVerbLevErr); + ArgErr = aeArg; + } + break; + + case 'o': + if (optarg) + { + if (*OutputName) + { + PrintPrgErr(pmOutTwice); + ArgErr = aeOpt; + } + else + { + if (!(OutputName = strdup(optarg))) + { + PrintPrgErr(pmStrDupErr); + ArgErr = aeMem; + } + } + } + + break; + + case 't': + nextc = ParseBoolArg(&Foo, &optarg); + break; + case 'x': + nextc = ParseBoolArg(&WipeVerb, &optarg); + break; + case 'b': + nextc = ParseBoolArg(&BackupOut, &optarg); + break; + case 'I': + nextc = ParseBoolArg(&InputFiles, &optarg); + break; + case 'H': + nextc = ParseBoolArg(&HeadErrOut, &optarg); + break; + case 'W': + printf("%s", Banner); + exit(EXIT_SUCCESS); + case '?': + default: + fputs(Banner, stderr); + fputs(HowHelp, stderr); + exit(EXIT_FAILURE); + break; + case 'h': + ArgErr = aeHelp; + break; + } + c = nextc; + } + } + + if ((argc > optind) && !strcmp(argv[optind], "?")) + ArgErr = aeHelp; + + if (ArgErr) + { + fputs(Banner, stderr); + fputs(BigBanner, stderr); + fputs(HelpText, stderr); + Success = FALSE; + } + else + Success = TRUE; + + if (Success) + Retval = optind; + + return (Retval); +} + +/* + * Outputs a program error. + */ + + +void PrintPrgErr(enum PrgErrNum Error, ...) +{ + const char *Type; + va_list MsgArgs; + + if (betw(pmMinFault, Error, pmMaxFault)) + { + switch (PrgMsgs[Error].Type) + { + case etWarn: + Type = "WARNING"; + break; + case etMsg: + Type = "NOTE"; + break; + default: + case etErr: + Type = "ERROR"; + break; + } + fprintf(stderr, "%s: %s -- ", PrgName, Type); + + va_start(MsgArgs, Error); + vfprintf(stderr, PrgMsgs[Error].Message, MsgArgs); + va_end(MsgArgs); + fputc('\n', stderr); + + if (PrgMsgs[Error].Type == etErr) + exit(EXIT_FAILURE); + } +} + +void ErrPrintf(const char *fmt, ...) +{ + va_list MsgArgs; + + va_start(MsgArgs, fmt); + vfprintf(stderr, fmt, MsgArgs); + va_end(MsgArgs); +} |