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Annotation of OpenXM_contrib2/asir2000/builtin/file.c, Revision 1.9

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:  *
1.9     ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/builtin/file.c,v 1.8 2000/11/08 08:44:13 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();
1.1       noro       75:
                     76: extern int des_encryption;
                     77: extern char *asir_libdir;
                     78:
                     79: struct ftab file_tab[] = {
1.3       noro       80:        {"open_file",Popen_file,1},
                     81:        {"close_file",Pclose_file,1},
1.8       noro       82:        {"get_byte",Pget_byte,1},
1.3       noro       83:        {"get_line",Pget_line,1},
1.1       noro       84:        {"remove_file",Premove_file,1},
                     85:        {"access",Paccess,1},
                     86:        {"load",Pload,-1},
                     87:        {"which",Pwhich,1},
                     88:        {"loadfiles",Ploadfiles,1},
                     89:        {"output",Poutput,-1},
                     90:        {"bsave",Pbsave,2},
                     91:        {"bload",Pbload,1},
                     92:        {"get_rootdir",Pget_rootdir,0},
1.6       noro       93: #if defined(VISUAL) && defined(DES_ENC)
1.1       noro       94:        {"bsave_enc",Pbsave_enc,2},
                     95:        {"bload_enc",Pbload_enc,1},
1.6       noro       96: #endif
1.1       noro       97:        {"bload27",Pbload27,1},
                     98:        {"bsave_compat",Pbsave_compat,2},
                     99:        {"bload_compat",Pbload_compat,1},
                    100:        {"bsave_cmo",Pbsave_cmo,2},
                    101:        {"bload_cmo",Pbload_cmo,1},
                    102:        {0,0,0},
                    103: };
1.3       noro      104:
                    105: static FILE *file_ptrs[BUFSIZ];
                    106:
                    107: void Popen_file(arg,rp)
                    108: NODE arg;
                    109: Q *rp;
                    110: {
                    111:        char *name;
                    112:        FILE *fp;
                    113:        char errbuf[BUFSIZ];
                    114:        int i;
                    115:
                    116:        asir_assert(ARG0(arg),O_STR,"open_file");
                    117:        for ( i = 0; i < BUFSIZ && file_ptrs[i]; i++ );
                    118:        if ( i == BUFSIZ )
                    119:                error("open_file : too many open files");
                    120:        name = BDY((STRING)ARG0(arg));
                    121:        fp = fopen(name,"r");
                    122:        if ( !fp ) {
                    123:                sprintf(errbuf,"open_file : \"%s\" not found",name);
                    124:                error(errbuf);
                    125:        }
                    126:        file_ptrs[i] = fp;
                    127:        STOQ(i,*rp);
                    128: }
                    129:
                    130: void Pclose_file(arg,rp)
                    131: NODE arg;
                    132: Q *rp;
                    133: {
                    134:        int i;
                    135:
1.8       noro      136:        asir_assert(ARG0(arg),O_N,"close_file");
1.3       noro      137:        i = QTOS((Q)ARG0(arg));
                    138:        if ( file_ptrs[i] ) {
                    139:                fclose(file_ptrs[i]);
                    140:                file_ptrs[i] = 0;
                    141:        } else
                    142:                error("close_file : invalid argument");
                    143:        *rp = ONE;
                    144: }
                    145:
                    146: void Pget_line(arg,rp)
                    147: NODE arg;
                    148: STRING *rp;
                    149: {
                    150:        int i,j,c;
                    151:        FILE *fp;
                    152:        fpos_t head;
                    153:        char *str;
                    154:
1.8       noro      155:        asir_assert(ARG0(arg),O_N,"get_line");
1.3       noro      156:        i = QTOS((Q)ARG0(arg));
                    157:        if ( fp = file_ptrs[i] ) {
                    158:                if ( feof(fp) ) {
                    159:                        *rp = 0;
                    160:                        return;
                    161:                }
                    162:                fgetpos(fp,&head);
                    163:                j = 0;
                    164:                while ( 1 ) {
                    165:                        c = getc(fp);
                    166:                        if ( c == EOF ) {
                    167:                                if ( !j ) {
                    168:                                        *rp = 0;
                    169:                                        return;
                    170:                                } else
                    171:                                        break;
                    172:                        }
                    173:                        j++;
                    174:                        if ( c == '\n' )
                    175:                                break;
                    176:                }
                    177:                fsetpos(fp,&head);
                    178:                str = (char *)MALLOC_ATOMIC(j+1);
                    179:                fgets(str,j+1,fp);
                    180:                MKSTR(*rp,str);
                    181:        } else
                    182:                error("get_line : invalid argument");
1.8       noro      183: }
                    184:
                    185: void Pget_byte(arg,rp)
                    186: NODE arg;
                    187: Q *rp;
                    188: {
                    189:        int i,c;
                    190:        FILE *fp;
                    191:
                    192:        asir_assert(ARG0(arg),O_N,"get_byte");
                    193:        i = QTOS((Q)ARG0(arg));
                    194:        if ( fp = file_ptrs[i] ) {
                    195:                if ( feof(fp) ) {
                    196:                        STOQ(-1,*rp);
                    197:                        return;
                    198:                }
                    199:                c = getc(fp);
                    200:                STOQ(c,*rp);
                    201:        } else
                    202:                error("get_byte : invalid argument");
1.3       noro      203: }
1.1       noro      204:
                    205: void Pload(arg,rp)
                    206: NODE arg;
                    207: Q *rp;
                    208: {
                    209:        int ret = 0;
                    210:        char *name,*name0;
                    211:        char errbuf[BUFSIZ];
                    212:
                    213: #if defined THINK_C
                    214:        if ( !arg ) {
                    215:                ret = finder_loadfile();
                    216:        } else
                    217: #endif
                    218:        if ( ARG0(arg) ) {
                    219:                switch (OID(ARG0(arg))) {
                    220:                        case O_STR:
                    221:                                name0 = BDY((STRING)ARG0(arg));
                    222:                                searchasirpath(name0,&name);
                    223:                                if ( !name ) {
                    224:                                        sprintf(errbuf,"load : \"%s\" not found in the search path",name0);
                    225:                                        error(errbuf);
                    226:                                }
                    227:                                ret = loadfile(name);
                    228:                                if ( !ret ) {
                    229:                                        sprintf(errbuf,"load : \"%s\" could not be loaded",name);
                    230:                                        error(errbuf);
                    231:                                }
                    232:                                break;
                    233:                        default:
                    234:                                error("load : invalid argument");
                    235:                                break;
                    236:                }
                    237:        }
                    238:        STOQ(ret,*rp);
                    239: }
                    240:
                    241: void Pwhich(arg,rp)
                    242: NODE arg;
                    243: STRING *rp;
                    244: {
                    245:        char *name;
                    246:        STRING str;
                    247:
                    248:        switch (OID(ARG0(arg))) {
                    249:                case O_STR:
                    250:                        searchasirpath(BDY((STRING)ARG0(arg)),&name);
                    251:                        break;
                    252:                default:
                    253:                        name = 0;
                    254:                        break;
                    255:        }
                    256:        if ( name ) {
                    257:                MKSTR(str,name); *rp = str;
                    258:        } else
                    259:                *rp = 0;
                    260: }
                    261:
                    262: void Ploadfiles(arg,rp)
                    263: NODE arg;
                    264: Q *rp;
                    265: {
                    266:        int ret;
                    267:
                    268:        if ( ARG0(arg) )
                    269:                if ( OID(ARG0(arg)) != O_LIST )
                    270:                        ret = 0;
                    271:                else
                    272:                        ret = loadfiles(BDY((LIST)ARG0(arg)));
                    273:        else
                    274:                ret = 0;
                    275:        STOQ(ret,*rp);
                    276: }
                    277:
                    278: void Poutput(arg,rp)
                    279: NODE arg;
                    280: Q *rp;
                    281: {
                    282: #if PARI
                    283:        extern FILE *outfile;
                    284: #endif
                    285:        FILE *fp;
                    286:
                    287:        fflush(asir_out);
                    288:        if ( asir_out != stdout )
                    289:                fclose(asir_out);
                    290:        switch ( argc(arg) ) {
                    291:                case 0:
                    292:                        fp = stdout; break;
                    293:                case 1:
                    294:                        asir_assert(ARG0(arg),O_STR,"output");
                    295:                        fp = fopen(((STRING)ARG0(arg))->body,"a+");
                    296:                        if ( !fp )
                    297:                                error("output : invalid filename");
                    298:                        break;
                    299:        }
                    300: #if PARI
                    301:        pari_outfile =
                    302: #endif
                    303:        asir_out = fp;
                    304:        *rp = ONE;
                    305: }
                    306:
                    307: extern int ox_file_io;
                    308:
                    309: void Pbsave(arg,rp)
                    310: NODE arg;
                    311: Q *rp;
                    312: {
                    313:        FILE *fp;
                    314:        VL vl,t;
                    315:
                    316:        asir_assert(ARG1(arg),O_STR,"bsave");
                    317:        get_vars_recursive(ARG0(arg),&vl);
                    318:        for ( t = vl; t; t = NEXT(t) )
                    319:                if ( t->v->attr == (pointer)V_UC )
                    320:                        error("bsave : not implemented");
                    321: #if defined(THINK_C) || defined(VISUAL)
                    322:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    323: #else
                    324:        fp = fopen(BDY((STRING)ARG1(arg)),"w");
                    325: #endif
                    326:        if ( !fp )
                    327:                error("bsave : invalid filename");
                    328:        ox_file_io = 1; /* network byte order is used */
                    329:        savevl(fp,vl);
                    330:        saveobj(fp,ARG0(arg));
                    331:        fclose(fp);
                    332:        ox_file_io = 0;
                    333:        *rp = ONE;
                    334: }
                    335:
                    336: void Pbload(arg,rp)
                    337: NODE arg;
                    338: Obj *rp;
                    339: {
                    340:        FILE *fp;
                    341:
                    342:        asir_assert(ARG0(arg),O_STR,"bload");
                    343: #if defined(THINK_C) || defined(VISUAL)
                    344:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    345: #else
                    346:        fp = fopen(BDY((STRING)ARG0(arg)),"r");
                    347: #endif
                    348:        if ( !fp )
                    349:                error("bload : invalid filename");
                    350:        ox_file_io = 1; /* network byte order is used */
                    351:        loadvl(fp);
                    352:        loadobj(fp,rp);
                    353:        fclose(fp);
                    354:        ox_file_io = 0;
                    355: }
                    356:
                    357: void Pbsave_cmo(arg,rp)
                    358: NODE arg;
                    359: Q *rp;
                    360: {
                    361:        FILE *fp;
                    362:        VL vl,t;
                    363:
                    364:        asir_assert(ARG1(arg),O_STR,"bsave_cmo");
                    365: #if defined(THINK_C) || defined(VISUAL)
                    366:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    367: #else
                    368:        fp = fopen(BDY((STRING)ARG1(arg)),"w");
                    369: #endif
                    370:        if ( !fp )
                    371:                error("bsave_cmo : invalid filename");
                    372:        ox_file_io = 1; /* network byte order is used */
                    373:        write_cmo(fp,ARG0(arg));
                    374:        fclose(fp);
                    375:        ox_file_io = 0;
                    376:        *rp = ONE;
                    377: }
                    378:
                    379: void Pbload_cmo(arg,rp)
                    380: NODE arg;
                    381: Obj *rp;
                    382: {
                    383:        FILE *fp;
                    384:
                    385:        asir_assert(ARG0(arg),O_STR,"bload_cmo");
                    386: #if defined(THINK_C) || defined(VISUAL)
                    387:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    388: #else
                    389:        fp = fopen(BDY((STRING)ARG0(arg)),"r");
                    390: #endif
                    391:        if ( !fp )
                    392:                error("bload_cmo : invalid filename");
                    393:        ox_file_io = 1; /* network byte order is used */
                    394:        read_cmo(fp,rp);
                    395:        fclose(fp);
                    396:        ox_file_io = 0;
                    397: }
                    398:
1.7       noro      399: static struct oSTRING rootdir;
                    400:
1.1       noro      401: #if defined(VISUAL)
                    402: void get_rootdir(name,len)
                    403: char *name;
                    404: int len;
                    405: {
                    406:        LONG    ret;
                    407:        HKEY    hOpenKey;
                    408:        DWORD   Type;
1.7       noro      409:        char    *slash;
1.1       noro      410:
1.7       noro      411:        if ( rootdir.body ) {
                    412:                strcpy(name,rootdir.body);
                    413:                return;
                    414:        }
1.1       noro      415:        name[0] = 0;
                    416:        ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ECGEN_KEYNAME, 0,
                    417:                KEY_QUERY_VALUE, &hOpenKey);
                    418:        if ( ret != ERROR_SUCCESS )
                    419:                ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ASIR_KEYNAME, 0,
                    420:                        KEY_QUERY_VALUE, &hOpenKey);
                    421:        if( ret == ERROR_SUCCESS ) {
                    422:                RegQueryValueEx(hOpenKey, "Directory", NULL, &Type, name, &len);
                    423:                RegCloseKey(hOpenKey);
1.7       noro      424:        } else {
                    425:                GetCurrentDirectory(len,name);
                    426:                slash = strrchr(name,'\\');
                    427:                if ( slash )
                    428:                        *slash = 0;
1.1       noro      429:        }
                    430: }
1.7       noro      431:
                    432: void set_rootdir(name)
                    433: char *name;
                    434: {
                    435:        static char DirName[BUFSIZ];
                    436:
                    437:        strcpy(DirName,name);
                    438:        rootdir.id = O_STR;
                    439:        rootdir.body = DirName;
                    440:        asir_libdir = DirName;
                    441:        /* XXX */
                    442:        env_init();
                    443: }
                    444:
1.1       noro      445: #else
                    446: void get_rootdir(name,len)
                    447: char *name;
                    448: int len;
                    449: {
                    450:        strcpy(name,asir_libdir);
                    451: }
1.7       noro      452:
                    453: void set_rootdir(name)
                    454: char *name;
                    455: {
                    456:        static char DirName[BUFSIZ];
                    457:
                    458:        strcpy(DirName,name);
                    459:        asir_libdir = DirName;
                    460:        /* XXX */
                    461:        env_init();
                    462: }
                    463:
1.1       noro      464: #endif
                    465:
                    466: void Pget_rootdir(rp)
                    467: STRING *rp;
                    468: {
                    469:        static char DirName[BUFSIZ];
                    470:        int DirNameLen;
                    471:
                    472:        if ( !rootdir.body ) {
                    473:                get_rootdir(DirName,sizeof(DirName));
                    474:                rootdir.id = O_STR;
                    475:                rootdir.body = DirName;
                    476:        }
                    477:        *rp = &rootdir;
                    478: }
                    479:
1.6       noro      480: #if defined(VISUAL) && defined(DES_ENC)
1.1       noro      481: void Pbsave_enc(arg,rp)
                    482: NODE arg;
                    483: Obj *rp;
                    484: {
                    485:        init_deskey();
                    486:        des_encryption = 1;
                    487:        Pbsave(arg,rp);
                    488:        des_encryption = 0;
                    489: }
                    490:
                    491: void Pbload_enc(arg,rp)
                    492: NODE arg;
                    493: Obj *rp;
                    494: {
                    495:        init_deskey();
                    496:        des_encryption = 1;
                    497:        Pbload(arg,rp);
                    498:        des_encryption = 0;
                    499: }
1.6       noro      500: #endif
1.1       noro      501:
                    502: void Pbload27(arg,rp)
                    503: NODE arg;
                    504: Obj *rp;
                    505: {
                    506:        FILE *fp;
                    507:        Obj r;
                    508:
                    509:        asir_assert(ARG0(arg),O_STR,"bload27");
                    510: #if defined(THINK_C) || defined(VISUAL)
                    511:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    512: #else
                    513:        fp = fopen(BDY((STRING)ARG0(arg)),"r");
                    514: #endif
                    515:        if ( !fp )
                    516:                error("bload : invalid filename");
                    517:        loadvl(fp);
                    518:        loadobj(fp,&r);
                    519:        fclose(fp);
                    520:        bobjtoobj(BASE27,r,rp);
                    521: }
                    522:
                    523: void Pbsave_compat(arg,rp)
                    524: NODE arg;
                    525: Q *rp;
                    526: {
                    527:        FILE *fp;
                    528:        VL vl,t;
                    529:
                    530:        asir_assert(ARG1(arg),O_STR,"bsave_compat");
                    531:        get_vars_recursive(ARG0(arg),&vl);
                    532:        for ( t = vl; t; t = NEXT(t) )
                    533:                if ( t->v->attr == (pointer)V_UC )
                    534:                        error("bsave : not implemented");
                    535: #if defined(THINK_C) || defined(VISUAL)
                    536:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    537: #else
                    538:        fp = fopen(BDY((STRING)ARG1(arg)),"w");
                    539: #endif
                    540:        if ( !fp )
                    541:                error("bsave : invalid filename");
                    542:        /* indicator of an asir32 file */
                    543:        putw(0,fp); putw(0,fp);
                    544:        savevl(fp,vl);
                    545:        saveobj(fp,ARG0(arg));
                    546:        fclose(fp);
                    547:        *rp = ONE;
                    548: }
                    549:
                    550: void Pbload_compat(arg,rp)
                    551: NODE arg;
                    552: Obj *rp;
                    553: {
                    554:        FILE *fp;
                    555:        unsigned int hdr[2];
                    556:        Obj r;
                    557:        int c;
                    558:
                    559:        asir_assert(ARG0(arg),O_STR,"bload_compat");
                    560: #if defined(THINK_C) || defined(VISUAL)
                    561:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    562: #else
                    563:        fp = fopen(BDY((STRING)ARG0(arg)),"r");
                    564: #endif
                    565:        if ( !fp )
                    566:                error("bload : invalid filename");
                    567:        fread(hdr,sizeof(unsigned int),2,fp);
                    568:        if ( !hdr[0] && !hdr[1] ) {
                    569:                /* asir32 file or asir27 0 */
                    570:                c = fgetc(fp);
                    571:                if ( c == EOF ) {
                    572:                        /* asir27 0 */
                    573:                        *rp = 0;
                    574:                } else {
                    575:                        /* asir32 file */
                    576:                        ungetc(c,fp);
                    577:                        loadvl(fp);
                    578:                        loadobj(fp,rp);
                    579:                }
                    580:        } else {
                    581:                /* asir27 file */
                    582:                rewind(fp);
                    583:                loadvl(fp);
                    584:                loadobj(fp,&r);
                    585:                bobjtoobj(BASE27,r,rp);
                    586:        }
                    587:        fclose(fp);
                    588: }
                    589:
                    590: void Premove_file(arg,rp)
                    591: NODE arg;
                    592: Q *rp;
                    593: {
                    594:        unlink((char *)BDY((STRING)ARG0(arg)));
                    595:        *rp = ONE;
                    596: }
                    597:
                    598: void Paccess(arg,rp)
                    599: NODE arg;
                    600: Q *rp;
                    601: {
                    602:        char *name;
                    603:        STRING str;
                    604:
                    605: #if defined(VISUAL)
                    606:        if ( access(BDY((STRING)ARG0(arg)),04) >= 0 )
                    607: #else
                    608:        if ( access(BDY((STRING)ARG0(arg)),R_OK) >= 0 )
                    609: #endif
                    610:                *rp = ONE;
                    611:        else
                    612:                *rp = 0;
                    613: }
1.9     ! noro      614:
        !           615: #if defined(VISUAL)
        !           616: int process_id()
        !           617: {
        !           618:        return GetCurrentProcessId();
        !           619: }
        !           620:
        !           621: void call_exe(name,av)
        !           622: char *name;
        !           623: char **av;
        !           624: {
        !           625:        _spawnv(_P_WAIT,name,av);
        !           626: }
        !           627: #endif

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