root/usr/src/cmd/oawk/main.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 1999 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#include <stdio.h>
#include <ctype.h>
#include "awk.def"
#include "awk.h"
#include <wctype.h>
#include <getwidth.h>
#include <langinfo.h>
#include <stdlib.h>

int     dbg     = 0;
int     svargc;
wchar_t **svargv;
eucwidth_t eucwidth;

extern FILE     *yyin;  /* lex input file */
wchar_t *lexprog;       /* points to program argument if it exists */
extern  int errorflag;  /* non-zero if any syntax errors; set by yyerror */

wchar_t radixpoint = L'.';

int filefd, symnum, ansfd;
extern int maxsym, errno;

extern void run(NODE *a);
extern void syminit(void);

int
main(int argc, char *argv[])
{
        wchar_t *p, **wargv;
        int i;
        static wchar_t L_dash[] = L"-";
        static wchar_t L_dashd[] = L"-d";
        char    *nl_radix;

        /*
         * At this point, numbers are still scanned as in
         * the POSIX locale.
         * (POSIX.2, volume 2, P867, L4742-4757)
         */
        (void) setlocale(LC_ALL, "");
        (void) setlocale(LC_NUMERIC, "C");
#ifndef TEXT_DOMAIN
#define TEXT_DOMAIN     "SYS_TEST"
#endif

        textdomain(TEXT_DOMAIN);

        getwidth(&eucwidth);
        if (argc == 1) {
                fprintf(stderr,
gettext("awk: Usage: awk [-Fc] [-f source | 'cmds'] [files]\n"));
                exit(2);
        }
        syminit();
        if ((wargv = (wchar_t **)malloc((argc+1) * sizeof (wchar_t *))) == NULL)
                error(FATAL, "Insuffcient memory on argv");
        for (i = 0; i < argc; i++) {
                if ((p = (wchar_t *)malloc((strlen(argv[i]) + 1)
                                                * sizeof (wchar_t))) == NULL)
                        error(FATAL, "Insuffcient memory on argv");
                mbstowcs(p, argv[i], strlen(argv[i]) + 1);
                wargv[i] = p;
        }
        wargv[argc] = NULL;
        while (argc > 1) {
                argc--;
                wargv++;
                /* this nonsense is because gcos argument handling */
                /* folds -F into -f.  accordingly, one checks the next */
                /* character after f to see if it's -f file or -Fx. */
                if (wargv[0][0] == L'-' && wargv[0][1] == L'f' &&
                        wargv[0][2] == 0) {
                        if (argc <= 1)
                                error(FATAL, "no argument for -f");
                        yyin = (wscmp(wargv[1], L_dash) == 0)
                                        ? stdin
                                        : fopen(toeuccode(wargv[1]), "r");
                        if (yyin == NULL)
                                error(FATAL, "can't open %ws", wargv[1]);
                        argc--;
                        wargv++;
                        break;
                } else if (wargv[0][0] == L'-' && wargv[0][1] == L'F') {
                        if (wargv[0][2] == L't')
                                **FS = L'\t';
                        else
                                /* set field sep */
                                **FS = wargv[0][2];
                        continue;
                } else if (wargv[0][0] != L'-') {
                        dprintf("cmds=|%ws|\n", wargv[0], NULL, NULL);
                        yyin = NULL;
                        lexprog = wargv[0];
                        wargv[0] = wargv[-1];   /* need this space */
                        break;
                } else if (wscmp(L_dashd, wargv[0]) == 0) {
                        dbg = 1;
                }
        }
        if (argc <= 1) {
                wargv[0][0] = L'-';
                wargv[0][1] = 0;
                argc++;
                wargv--;
        }
        svargc = --argc;
        svargv = ++wargv;
        dprintf("svargc=%d svargv[0]=%ws\n", svargc, svargv[0], NULL);
        *FILENAME = *svargv;    /* initial file name */
        yyparse();
        dprintf("errorflag=%d\n", errorflag, NULL, NULL);
        /*
         * done parsing, so now activate the LC_NUMERIC
         */
        (void) setlocale(LC_ALL, "");
        nl_radix = nl_langinfo(RADIXCHAR);
        if (nl_radix) {
                radixpoint = (wchar_t)*nl_radix;
        }
        if (errorflag)
                exit(errorflag);
        run(winner);
        return (errorflag);
}

int
yywrap()
{
        return (1);
}