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Annotation of OpenXM_contrib2/asir2000/builtin/file.c, Revision 1.11

1.4       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
                      9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
                     11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.5       noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.4       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
                     34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
                     36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
                     37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.11    ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/builtin/file.c,v 1.10 2000/11/13 01:48:12 noro Exp $
1.4       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "parse.h"
                     52: #include "base.h"
1.2       noro       53: #include "unistd.h"
                     54: #if PARI
1.1       noro       55: #include "genpari.h"
1.2       noro       56: #endif
1.1       noro       57:
                     58: #if defined(VISUAL)
                     59: #include <windows.h>
1.9       noro       60: #include <process.h>
1.1       noro       61: /* #define ECGEN_KEYNAME "SoftWare\\Fujitsu\\WinECgen\\1.00.000" */
                     62: #define ECGEN_KEYNAME "SoftWare\\Fujitsu\\FSEcParamGen\\V1.0L10"
                     63: #define ASIR_KEYNAME "SoftWare\\Fujitsu\\Asir\\1999.03.31"
                     64: #endif
                     65:
                     66: void Pget_rootdir();
                     67: void Paccess(),Premove_file();
                     68: void Pbsave_enc(), Pbload_enc();
                     69:
                     70: void Pload(), Pwhich(), Ploadfiles(), Poutput();
                     71: void Pbsave(), Pbload(), Pbload27();
                     72: void Pbsave_compat(), Pbload_compat();
                     73: void Pbsave_cmo(), Pbload_cmo();
1.8       noro       74: void Popen_file(), Pclose_file(), Pget_line(), Pget_byte();
1.10      noro       75: void Ppurge_stdin();
1.1       noro       76:
                     77: extern int des_encryption;
                     78: extern char *asir_libdir;
                     79:
                     80: struct ftab file_tab[] = {
1.10      noro       81:        {"purge_stdin",Ppurge_stdin,0},
1.3       noro       82:        {"open_file",Popen_file,1},
                     83:        {"close_file",Pclose_file,1},
1.8       noro       84:        {"get_byte",Pget_byte,1},
1.10      noro       85:        {"get_line",Pget_line,-1},
1.1       noro       86:        {"remove_file",Premove_file,1},
                     87:        {"access",Paccess,1},
                     88:        {"load",Pload,-1},
                     89:        {"which",Pwhich,1},
                     90:        {"loadfiles",Ploadfiles,1},
                     91:        {"output",Poutput,-1},
                     92:        {"bsave",Pbsave,2},
                     93:        {"bload",Pbload,1},
                     94:        {"get_rootdir",Pget_rootdir,0},
1.6       noro       95: #if defined(VISUAL) && defined(DES_ENC)
1.1       noro       96:        {"bsave_enc",Pbsave_enc,2},
                     97:        {"bload_enc",Pbload_enc,1},
1.6       noro       98: #endif
1.1       noro       99:        {"bload27",Pbload27,1},
                    100:        {"bsave_compat",Pbsave_compat,2},
                    101:        {"bload_compat",Pbload_compat,1},
                    102:        {"bsave_cmo",Pbsave_cmo,2},
                    103:        {"bload_cmo",Pbload_cmo,1},
                    104:        {0,0,0},
                    105: };
1.3       noro      106:
                    107: static FILE *file_ptrs[BUFSIZ];
                    108:
1.10      noro      109: void Ppurge_stdin(rp)
                    110: Q *rp;
                    111: {
                    112:        purge_stdin(stdin);
                    113:        *rp = 0;
                    114: }
                    115:
1.3       noro      116: void Popen_file(arg,rp)
                    117: NODE arg;
                    118: Q *rp;
                    119: {
                    120:        char *name;
                    121:        FILE *fp;
                    122:        char errbuf[BUFSIZ];
                    123:        int i;
                    124:
                    125:        asir_assert(ARG0(arg),O_STR,"open_file");
                    126:        for ( i = 0; i < BUFSIZ && file_ptrs[i]; i++ );
                    127:        if ( i == BUFSIZ )
                    128:                error("open_file : too many open files");
                    129:        name = BDY((STRING)ARG0(arg));
                    130:        fp = fopen(name,"r");
                    131:        if ( !fp ) {
                    132:                sprintf(errbuf,"open_file : \"%s\" not found",name);
                    133:                error(errbuf);
                    134:        }
                    135:        file_ptrs[i] = fp;
                    136:        STOQ(i,*rp);
                    137: }
                    138:
                    139: void Pclose_file(arg,rp)
                    140: NODE arg;
                    141: Q *rp;
                    142: {
                    143:        int i;
                    144:
1.8       noro      145:        asir_assert(ARG0(arg),O_N,"close_file");
1.3       noro      146:        i = QTOS((Q)ARG0(arg));
                    147:        if ( file_ptrs[i] ) {
                    148:                fclose(file_ptrs[i]);
                    149:                file_ptrs[i] = 0;
                    150:        } else
                    151:                error("close_file : invalid argument");
                    152:        *rp = ONE;
                    153: }
                    154:
                    155: void Pget_line(arg,rp)
                    156: NODE arg;
                    157: STRING *rp;
                    158: {
                    159:        int i,j,c;
                    160:        FILE *fp;
                    161:        fpos_t head;
                    162:        char *str;
1.10      noro      163:        char buf[BUFSIZ];
                    164:
                    165:        if ( !arg ) {
                    166: #if defined(VISUAL_LIB)
                    167:                get_string(buf,sizeof(buf));
                    168: #else
                    169:                fgets(buf,sizeof(buf),stdin);
                    170: #endif
                    171:                i = strlen(buf);
                    172:                str = (char *)MALLOC_ATOMIC(i+1);
                    173:                strcpy(str,buf);
                    174:                MKSTR(*rp,str);
                    175:                return;
                    176:        }
1.3       noro      177:
1.8       noro      178:        asir_assert(ARG0(arg),O_N,"get_line");
1.3       noro      179:        i = QTOS((Q)ARG0(arg));
                    180:        if ( fp = file_ptrs[i] ) {
                    181:                if ( feof(fp) ) {
                    182:                        *rp = 0;
                    183:                        return;
                    184:                }
                    185:                fgetpos(fp,&head);
                    186:                j = 0;
                    187:                while ( 1 ) {
                    188:                        c = getc(fp);
                    189:                        if ( c == EOF ) {
                    190:                                if ( !j ) {
                    191:                                        *rp = 0;
                    192:                                        return;
                    193:                                } else
                    194:                                        break;
                    195:                        }
                    196:                        j++;
                    197:                        if ( c == '\n' )
                    198:                                break;
                    199:                }
                    200:                fsetpos(fp,&head);
                    201:                str = (char *)MALLOC_ATOMIC(j+1);
                    202:                fgets(str,j+1,fp);
                    203:                MKSTR(*rp,str);
                    204:        } else
                    205:                error("get_line : invalid argument");
1.8       noro      206: }
                    207:
                    208: void Pget_byte(arg,rp)
                    209: NODE arg;
                    210: Q *rp;
                    211: {
                    212:        int i,c;
                    213:        FILE *fp;
                    214:
                    215:        asir_assert(ARG0(arg),O_N,"get_byte");
                    216:        i = QTOS((Q)ARG0(arg));
                    217:        if ( fp = file_ptrs[i] ) {
                    218:                if ( feof(fp) ) {
                    219:                        STOQ(-1,*rp);
                    220:                        return;
                    221:                }
                    222:                c = getc(fp);
                    223:                STOQ(c,*rp);
                    224:        } else
                    225:                error("get_byte : invalid argument");
1.3       noro      226: }
1.1       noro      227:
                    228: void Pload(arg,rp)
                    229: NODE arg;
                    230: Q *rp;
                    231: {
                    232:        int ret = 0;
                    233:        char *name,*name0;
                    234:        char errbuf[BUFSIZ];
                    235:
                    236:        if ( ARG0(arg) ) {
                    237:                switch (OID(ARG0(arg))) {
                    238:                        case O_STR:
                    239:                                name0 = BDY((STRING)ARG0(arg));
                    240:                                searchasirpath(name0,&name);
                    241:                                if ( !name ) {
                    242:                                        sprintf(errbuf,"load : \"%s\" not found in the search path",name0);
                    243:                                        error(errbuf);
                    244:                                }
                    245:                                ret = loadfile(name);
                    246:                                if ( !ret ) {
                    247:                                        sprintf(errbuf,"load : \"%s\" could not be loaded",name);
                    248:                                        error(errbuf);
                    249:                                }
                    250:                                break;
                    251:                        default:
                    252:                                error("load : invalid argument");
                    253:                                break;
                    254:                }
                    255:        }
                    256:        STOQ(ret,*rp);
                    257: }
                    258:
                    259: void Pwhich(arg,rp)
                    260: NODE arg;
                    261: STRING *rp;
                    262: {
                    263:        char *name;
                    264:        STRING str;
                    265:
                    266:        switch (OID(ARG0(arg))) {
                    267:                case O_STR:
                    268:                        searchasirpath(BDY((STRING)ARG0(arg)),&name);
                    269:                        break;
                    270:                default:
                    271:                        name = 0;
                    272:                        break;
                    273:        }
                    274:        if ( name ) {
                    275:                MKSTR(str,name); *rp = str;
                    276:        } else
                    277:                *rp = 0;
                    278: }
                    279:
                    280: void Ploadfiles(arg,rp)
                    281: NODE arg;
                    282: Q *rp;
                    283: {
                    284:        int ret;
                    285:
                    286:        if ( ARG0(arg) )
                    287:                if ( OID(ARG0(arg)) != O_LIST )
                    288:                        ret = 0;
                    289:                else
                    290:                        ret = loadfiles(BDY((LIST)ARG0(arg)));
                    291:        else
                    292:                ret = 0;
                    293:        STOQ(ret,*rp);
                    294: }
                    295:
                    296: void Poutput(arg,rp)
                    297: NODE arg;
                    298: Q *rp;
                    299: {
                    300: #if PARI
                    301:        extern FILE *outfile;
                    302: #endif
                    303:        FILE *fp;
                    304:
                    305:        fflush(asir_out);
                    306:        if ( asir_out != stdout )
                    307:                fclose(asir_out);
                    308:        switch ( argc(arg) ) {
                    309:                case 0:
                    310:                        fp = stdout; break;
                    311:                case 1:
                    312:                        asir_assert(ARG0(arg),O_STR,"output");
                    313:                        fp = fopen(((STRING)ARG0(arg))->body,"a+");
                    314:                        if ( !fp )
                    315:                                error("output : invalid filename");
                    316:                        break;
                    317:        }
                    318: #if PARI
                    319:        pari_outfile =
                    320: #endif
                    321:        asir_out = fp;
                    322:        *rp = ONE;
                    323: }
                    324:
                    325: extern int ox_file_io;
                    326:
                    327: void Pbsave(arg,rp)
                    328: NODE arg;
                    329: Q *rp;
                    330: {
                    331:        FILE *fp;
                    332:        VL vl,t;
                    333:
                    334:        asir_assert(ARG1(arg),O_STR,"bsave");
                    335:        get_vars_recursive(ARG0(arg),&vl);
                    336:        for ( t = vl; t; t = NEXT(t) )
                    337:                if ( t->v->attr == (pointer)V_UC )
                    338:                        error("bsave : not implemented");
                    339:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    340:        if ( !fp )
                    341:                error("bsave : invalid filename");
                    342:        ox_file_io = 1; /* network byte order is used */
                    343:        savevl(fp,vl);
                    344:        saveobj(fp,ARG0(arg));
                    345:        fclose(fp);
                    346:        ox_file_io = 0;
                    347:        *rp = ONE;
                    348: }
                    349:
                    350: void Pbload(arg,rp)
                    351: NODE arg;
                    352: Obj *rp;
                    353: {
                    354:        FILE *fp;
                    355:
                    356:        asir_assert(ARG0(arg),O_STR,"bload");
                    357:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    358:        if ( !fp )
                    359:                error("bload : invalid filename");
                    360:        ox_file_io = 1; /* network byte order is used */
                    361:        loadvl(fp);
                    362:        loadobj(fp,rp);
                    363:        fclose(fp);
                    364:        ox_file_io = 0;
                    365: }
                    366:
                    367: void Pbsave_cmo(arg,rp)
                    368: NODE arg;
                    369: Q *rp;
                    370: {
                    371:        FILE *fp;
                    372:        VL vl,t;
                    373:
                    374:        asir_assert(ARG1(arg),O_STR,"bsave_cmo");
                    375:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    376:        if ( !fp )
                    377:                error("bsave_cmo : invalid filename");
                    378:        ox_file_io = 1; /* network byte order is used */
                    379:        write_cmo(fp,ARG0(arg));
                    380:        fclose(fp);
                    381:        ox_file_io = 0;
                    382:        *rp = ONE;
                    383: }
                    384:
                    385: void Pbload_cmo(arg,rp)
                    386: NODE arg;
                    387: Obj *rp;
                    388: {
                    389:        FILE *fp;
                    390:
                    391:        asir_assert(ARG0(arg),O_STR,"bload_cmo");
                    392:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    393:        if ( !fp )
                    394:                error("bload_cmo : invalid filename");
                    395:        ox_file_io = 1; /* network byte order is used */
                    396:        read_cmo(fp,rp);
                    397:        fclose(fp);
                    398:        ox_file_io = 0;
                    399: }
                    400:
1.7       noro      401: static struct oSTRING rootdir;
                    402:
1.1       noro      403: #if defined(VISUAL)
                    404: void get_rootdir(name,len)
                    405: char *name;
                    406: int len;
                    407: {
                    408:        LONG    ret;
                    409:        HKEY    hOpenKey;
                    410:        DWORD   Type;
1.7       noro      411:        char    *slash;
1.1       noro      412:
1.7       noro      413:        if ( rootdir.body ) {
                    414:                strcpy(name,rootdir.body);
                    415:                return;
                    416:        }
1.1       noro      417:        name[0] = 0;
                    418:        ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ECGEN_KEYNAME, 0,
                    419:                KEY_QUERY_VALUE, &hOpenKey);
                    420:        if ( ret != ERROR_SUCCESS )
                    421:                ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ASIR_KEYNAME, 0,
                    422:                        KEY_QUERY_VALUE, &hOpenKey);
                    423:        if( ret == ERROR_SUCCESS ) {
                    424:                RegQueryValueEx(hOpenKey, "Directory", NULL, &Type, name, &len);
                    425:                RegCloseKey(hOpenKey);
1.7       noro      426:        } else {
                    427:                GetCurrentDirectory(len,name);
                    428:                slash = strrchr(name,'\\');
                    429:                if ( slash )
                    430:                        *slash = 0;
1.1       noro      431:        }
                    432: }
1.7       noro      433:
                    434: void set_rootdir(name)
                    435: char *name;
                    436: {
                    437:        static char DirName[BUFSIZ];
                    438:
                    439:        strcpy(DirName,name);
                    440:        rootdir.id = O_STR;
                    441:        rootdir.body = DirName;
                    442:        asir_libdir = DirName;
                    443:        /* XXX */
                    444:        env_init();
                    445: }
                    446:
1.1       noro      447: #else
                    448: void get_rootdir(name,len)
                    449: char *name;
                    450: int len;
                    451: {
                    452:        strcpy(name,asir_libdir);
                    453: }
1.7       noro      454:
                    455: void set_rootdir(name)
                    456: char *name;
                    457: {
                    458:        static char DirName[BUFSIZ];
                    459:
                    460:        strcpy(DirName,name);
                    461:        asir_libdir = DirName;
                    462:        /* XXX */
                    463:        env_init();
                    464: }
                    465:
1.1       noro      466: #endif
                    467:
                    468: void Pget_rootdir(rp)
                    469: STRING *rp;
                    470: {
                    471:        static char DirName[BUFSIZ];
                    472:        int DirNameLen;
                    473:
                    474:        if ( !rootdir.body ) {
                    475:                get_rootdir(DirName,sizeof(DirName));
                    476:                rootdir.id = O_STR;
                    477:                rootdir.body = DirName;
                    478:        }
                    479:        *rp = &rootdir;
                    480: }
                    481:
1.6       noro      482: #if defined(VISUAL) && defined(DES_ENC)
1.1       noro      483: void Pbsave_enc(arg,rp)
                    484: NODE arg;
                    485: Obj *rp;
                    486: {
                    487:        init_deskey();
                    488:        des_encryption = 1;
                    489:        Pbsave(arg,rp);
                    490:        des_encryption = 0;
                    491: }
                    492:
                    493: void Pbload_enc(arg,rp)
                    494: NODE arg;
                    495: Obj *rp;
                    496: {
                    497:        init_deskey();
                    498:        des_encryption = 1;
                    499:        Pbload(arg,rp);
                    500:        des_encryption = 0;
                    501: }
1.6       noro      502: #endif
1.1       noro      503:
                    504: void Pbload27(arg,rp)
                    505: NODE arg;
                    506: Obj *rp;
                    507: {
                    508:        FILE *fp;
                    509:        Obj r;
                    510:
                    511:        asir_assert(ARG0(arg),O_STR,"bload27");
                    512:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    513:        if ( !fp )
                    514:                error("bload : invalid filename");
                    515:        loadvl(fp);
                    516:        loadobj(fp,&r);
                    517:        fclose(fp);
                    518:        bobjtoobj(BASE27,r,rp);
                    519: }
                    520:
                    521: void Pbsave_compat(arg,rp)
                    522: NODE arg;
                    523: Q *rp;
                    524: {
                    525:        FILE *fp;
                    526:        VL vl,t;
                    527:
                    528:        asir_assert(ARG1(arg),O_STR,"bsave_compat");
                    529:        get_vars_recursive(ARG0(arg),&vl);
                    530:        for ( t = vl; t; t = NEXT(t) )
                    531:                if ( t->v->attr == (pointer)V_UC )
                    532:                        error("bsave : not implemented");
                    533:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    534:        if ( !fp )
                    535:                error("bsave : invalid filename");
                    536:        /* indicator of an asir32 file */
                    537:        putw(0,fp); putw(0,fp);
                    538:        savevl(fp,vl);
                    539:        saveobj(fp,ARG0(arg));
                    540:        fclose(fp);
                    541:        *rp = ONE;
                    542: }
                    543:
                    544: void Pbload_compat(arg,rp)
                    545: NODE arg;
                    546: Obj *rp;
                    547: {
                    548:        FILE *fp;
                    549:        unsigned int hdr[2];
                    550:        Obj r;
                    551:        int c;
                    552:
                    553:        asir_assert(ARG0(arg),O_STR,"bload_compat");
                    554:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    555:        if ( !fp )
                    556:                error("bload : invalid filename");
                    557:        fread(hdr,sizeof(unsigned int),2,fp);
                    558:        if ( !hdr[0] && !hdr[1] ) {
                    559:                /* asir32 file or asir27 0 */
                    560:                c = fgetc(fp);
                    561:                if ( c == EOF ) {
                    562:                        /* asir27 0 */
                    563:                        *rp = 0;
                    564:                } else {
                    565:                        /* asir32 file */
                    566:                        ungetc(c,fp);
                    567:                        loadvl(fp);
                    568:                        loadobj(fp,rp);
                    569:                }
                    570:        } else {
                    571:                /* asir27 file */
                    572:                rewind(fp);
                    573:                loadvl(fp);
                    574:                loadobj(fp,&r);
                    575:                bobjtoobj(BASE27,r,rp);
                    576:        }
                    577:        fclose(fp);
                    578: }
                    579:
                    580: void Premove_file(arg,rp)
                    581: NODE arg;
                    582: Q *rp;
                    583: {
                    584:        unlink((char *)BDY((STRING)ARG0(arg)));
                    585:        *rp = ONE;
                    586: }
                    587:
                    588: void Paccess(arg,rp)
                    589: NODE arg;
                    590: Q *rp;
                    591: {
                    592:        char *name;
                    593:        STRING str;
                    594:
                    595: #if defined(VISUAL)
                    596:        if ( access(BDY((STRING)ARG0(arg)),04) >= 0 )
                    597: #else
                    598:        if ( access(BDY((STRING)ARG0(arg)),R_OK) >= 0 )
                    599: #endif
                    600:                *rp = ONE;
                    601:        else
                    602:                *rp = 0;
                    603: }
1.9       noro      604:
                    605: #if defined(VISUAL)
                    606: int process_id()
                    607: {
                    608:        return GetCurrentProcessId();
                    609: }
                    610:
                    611: void call_exe(name,av)
                    612: char *name;
                    613: char **av;
                    614: {
                    615:        _spawnv(_P_WAIT,name,av);
                    616: }
                    617: #endif

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