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Annotation of OpenXM_contrib2/asir2000/builtin/file.c, Revision 1.17

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:  *
1.17    ! ohara      48:  * $OpenXM: OpenXM_contrib2/asir2000/builtin/file.c,v 1.16 2002/10/01 09:58:48 noro Exp $
1.4       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "parse.h"
1.15      noro       52: #include "ox.h"
1.1       noro       53: #include "base.h"
1.16      noro       54: #if !defined(VISUAL)
1.2       noro       55: #include "unistd.h"
1.16      noro       56: #endif
1.17    ! ohara      57: #if defined(PARI)
1.1       noro       58: #include "genpari.h"
1.2       noro       59: #endif
1.1       noro       60:
                     61: #if defined(VISUAL)
                     62: #include <windows.h>
1.9       noro       63: #include <process.h>
1.15      noro       64: #include <io.h>
1.1       noro       65: /* #define ECGEN_KEYNAME "SoftWare\\Fujitsu\\WinECgen\\1.00.000" */
                     66: #define ECGEN_KEYNAME "SoftWare\\Fujitsu\\FSEcParamGen\\V1.0L10"
                     67: #define ASIR_KEYNAME "SoftWare\\Fujitsu\\Asir\\1999.03.31"
                     68: #endif
                     69:
                     70: void Pget_rootdir();
                     71: void Paccess(),Premove_file();
                     72: void Pbsave_enc(), Pbload_enc();
                     73:
                     74: void Pload(), Pwhich(), Ploadfiles(), Poutput();
                     75: void Pbsave(), Pbload(), Pbload27();
                     76: void Pbsave_compat(), Pbload_compat();
                     77: void Pbsave_cmo(), Pbload_cmo();
1.13      noro       78: void Popen_file(), Pclose_file(), Pget_line(), Pget_byte(), Pput_byte();
1.10      noro       79: void Ppurge_stdin();
1.14      noro       80: void Pload_exec();
1.1       noro       81:
                     82: extern int des_encryption;
                     83: extern char *asir_libdir;
                     84:
                     85: struct ftab file_tab[] = {
1.10      noro       86:        {"purge_stdin",Ppurge_stdin,0},
1.13      noro       87:        {"open_file",Popen_file,-2},
1.3       noro       88:        {"close_file",Pclose_file,1},
1.8       noro       89:        {"get_byte",Pget_byte,1},
1.13      noro       90:        {"put_byte",Pput_byte,2},
1.10      noro       91:        {"get_line",Pget_line,-1},
1.1       noro       92:        {"remove_file",Premove_file,1},
                     93:        {"access",Paccess,1},
                     94:        {"load",Pload,-1},
1.14      noro       95:        {"load_exec",Pload_exec,1},
1.1       noro       96:        {"which",Pwhich,1},
                     97:        {"loadfiles",Ploadfiles,1},
                     98:        {"output",Poutput,-1},
                     99:        {"bsave",Pbsave,2},
                    100:        {"bload",Pbload,1},
                    101:        {"get_rootdir",Pget_rootdir,0},
1.6       noro      102: #if defined(VISUAL) && defined(DES_ENC)
1.1       noro      103:        {"bsave_enc",Pbsave_enc,2},
                    104:        {"bload_enc",Pbload_enc,1},
1.6       noro      105: #endif
1.1       noro      106:        {"bload27",Pbload27,1},
                    107:        {"bsave_compat",Pbsave_compat,2},
                    108:        {"bload_compat",Pbload_compat,1},
                    109:        {"bsave_cmo",Pbsave_cmo,2},
                    110:        {"bload_cmo",Pbload_cmo,1},
                    111:        {0,0,0},
                    112: };
1.3       noro      113:
                    114: static FILE *file_ptrs[BUFSIZ];
                    115:
1.15      noro      116: void Ppurge_stdin(Q *rp)
1.10      noro      117: {
                    118:        purge_stdin(stdin);
                    119:        *rp = 0;
                    120: }
                    121:
1.15      noro      122: void Popen_file(NODE arg,Q *rp)
1.3       noro      123: {
                    124:        char *name;
                    125:        FILE *fp;
                    126:        char errbuf[BUFSIZ];
                    127:        int i;
                    128:
                    129:        asir_assert(ARG0(arg),O_STR,"open_file");
                    130:        for ( i = 0; i < BUFSIZ && file_ptrs[i]; i++ );
                    131:        if ( i == BUFSIZ )
                    132:                error("open_file : too many open files");
                    133:        name = BDY((STRING)ARG0(arg));
1.13      noro      134:        if ( argc(arg) == 2 ) {
                    135:                asir_assert(ARG1(arg),O_STR,"open_file");
                    136:                fp = fopen(name,BDY((STRING)ARG1(arg)));
                    137:        } else
                    138:                fp = fopen(name,"r");
1.3       noro      139:        if ( !fp ) {
1.13      noro      140:                sprintf(errbuf,"open_file : cannot open \"%s\"",name);
1.3       noro      141:                error(errbuf);
                    142:        }
                    143:        file_ptrs[i] = fp;
                    144:        STOQ(i,*rp);
                    145: }
                    146:
1.15      noro      147: void Pclose_file(NODE arg,Q *rp)
1.3       noro      148: {
                    149:        int i;
                    150:
1.8       noro      151:        asir_assert(ARG0(arg),O_N,"close_file");
1.3       noro      152:        i = QTOS((Q)ARG0(arg));
                    153:        if ( file_ptrs[i] ) {
                    154:                fclose(file_ptrs[i]);
                    155:                file_ptrs[i] = 0;
                    156:        } else
                    157:                error("close_file : invalid argument");
                    158:        *rp = ONE;
                    159: }
                    160:
1.15      noro      161: void Pget_line(NODE arg,STRING *rp)
1.3       noro      162: {
                    163:        int i,j,c;
                    164:        FILE *fp;
                    165:        fpos_t head;
                    166:        char *str;
1.10      noro      167:        char buf[BUFSIZ];
                    168:
                    169:        if ( !arg ) {
                    170: #if defined(VISUAL_LIB)
                    171:                get_string(buf,sizeof(buf));
                    172: #else
                    173:                fgets(buf,sizeof(buf),stdin);
                    174: #endif
                    175:                i = strlen(buf);
                    176:                str = (char *)MALLOC_ATOMIC(i+1);
                    177:                strcpy(str,buf);
                    178:                MKSTR(*rp,str);
                    179:                return;
                    180:        }
1.3       noro      181:
1.8       noro      182:        asir_assert(ARG0(arg),O_N,"get_line");
1.3       noro      183:        i = QTOS((Q)ARG0(arg));
                    184:        if ( fp = file_ptrs[i] ) {
                    185:                if ( feof(fp) ) {
                    186:                        *rp = 0;
                    187:                        return;
                    188:                }
                    189:                fgetpos(fp,&head);
                    190:                j = 0;
                    191:                while ( 1 ) {
                    192:                        c = getc(fp);
                    193:                        if ( c == EOF ) {
                    194:                                if ( !j ) {
                    195:                                        *rp = 0;
                    196:                                        return;
                    197:                                } else
                    198:                                        break;
                    199:                        }
                    200:                        j++;
                    201:                        if ( c == '\n' )
                    202:                                break;
                    203:                }
                    204:                fsetpos(fp,&head);
                    205:                str = (char *)MALLOC_ATOMIC(j+1);
                    206:                fgets(str,j+1,fp);
                    207:                MKSTR(*rp,str);
                    208:        } else
                    209:                error("get_line : invalid argument");
1.8       noro      210: }
                    211:
1.15      noro      212: void Pget_byte(NODE arg,Q *rp)
1.8       noro      213: {
                    214:        int i,c;
                    215:        FILE *fp;
                    216:
                    217:        asir_assert(ARG0(arg),O_N,"get_byte");
                    218:        i = QTOS((Q)ARG0(arg));
                    219:        if ( fp = file_ptrs[i] ) {
                    220:                if ( feof(fp) ) {
                    221:                        STOQ(-1,*rp);
                    222:                        return;
                    223:                }
                    224:                c = getc(fp);
                    225:                STOQ(c,*rp);
                    226:        } else
                    227:                error("get_byte : invalid argument");
1.13      noro      228: }
                    229:
1.15      noro      230: void Pput_byte(NODE arg,Q *rp)
1.13      noro      231: {
                    232:        int i,c;
                    233:        FILE *fp;
                    234:
                    235:        asir_assert(ARG0(arg),O_N,"put_byte");
                    236:        asir_assert(ARG1(arg),O_N,"put_byte");
                    237:        i = QTOS((Q)ARG0(arg));
                    238:        c = QTOS((Q)ARG1(arg));
                    239:        if ( fp = file_ptrs[i] ) {
                    240:                putc(c,fp);
                    241:                STOQ(c,*rp);
                    242:        } else
                    243:                error("put_byte : invalid argument");
1.3       noro      244: }
1.1       noro      245:
1.15      noro      246: void Pload(NODE arg,Q *rp)
1.1       noro      247: {
                    248:        int ret = 0;
                    249:        char *name,*name0;
                    250:        char errbuf[BUFSIZ];
                    251:
                    252:        if ( ARG0(arg) ) {
                    253:                switch (OID(ARG0(arg))) {
                    254:                        case O_STR:
                    255:                                name0 = BDY((STRING)ARG0(arg));
                    256:                                searchasirpath(name0,&name);
                    257:                                if ( !name ) {
                    258:                                        sprintf(errbuf,"load : \"%s\" not found in the search path",name0);
                    259:                                        error(errbuf);
                    260:                                }
                    261:                                ret = loadfile(name);
                    262:                                if ( !ret ) {
                    263:                                        sprintf(errbuf,"load : \"%s\" could not be loaded",name);
                    264:                                        error(errbuf);
                    265:                                }
                    266:                                break;
                    267:                        default:
                    268:                                error("load : invalid argument");
                    269:                                break;
                    270:                }
                    271:        }
1.14      noro      272:        STOQ(ret,*rp);
                    273: }
                    274:
1.15      noro      275: void Pload_exec(NODE arg,Q *rp)
1.14      noro      276: {
1.15      noro      277:        int ret;
1.14      noro      278:        char *name0,*name;
                    279:
                    280:        name0 = BDY((STRING)ARG0(arg));
                    281:        searchasirpath(name0,&name);
                    282:        if ( !name )
                    283:                ret = -1;
1.15      noro      284:        else {
                    285:                load_and_execfile(name);
                    286:                ret = 0;
                    287:        }
1.1       noro      288:        STOQ(ret,*rp);
                    289: }
                    290:
1.15      noro      291: void Pwhich(NODE arg,STRING *rp)
1.1       noro      292: {
                    293:        char *name;
                    294:        STRING str;
                    295:
                    296:        switch (OID(ARG0(arg))) {
                    297:                case O_STR:
                    298:                        searchasirpath(BDY((STRING)ARG0(arg)),&name);
                    299:                        break;
                    300:                default:
                    301:                        name = 0;
                    302:                        break;
                    303:        }
                    304:        if ( name ) {
                    305:                MKSTR(str,name); *rp = str;
                    306:        } else
                    307:                *rp = 0;
                    308: }
                    309:
1.15      noro      310: void Ploadfiles(NODE arg,Q *rp)
1.1       noro      311: {
                    312:        int ret;
                    313:
                    314:        if ( ARG0(arg) )
                    315:                if ( OID(ARG0(arg)) != O_LIST )
                    316:                        ret = 0;
                    317:                else
                    318:                        ret = loadfiles(BDY((LIST)ARG0(arg)));
                    319:        else
                    320:                ret = 0;
                    321:        STOQ(ret,*rp);
                    322: }
                    323:
1.15      noro      324: void Poutput(NODE arg,Q *rp)
1.1       noro      325: {
1.17    ! ohara     326: #if defined(PARI)
1.1       noro      327:        extern FILE *outfile;
                    328: #endif
                    329:        FILE *fp;
                    330:
                    331:        fflush(asir_out);
                    332:        if ( asir_out != stdout )
                    333:                fclose(asir_out);
                    334:        switch ( argc(arg) ) {
                    335:                case 0:
                    336:                        fp = stdout; break;
                    337:                case 1:
                    338:                        asir_assert(ARG0(arg),O_STR,"output");
                    339:                        fp = fopen(((STRING)ARG0(arg))->body,"a+");
                    340:                        if ( !fp )
                    341:                                error("output : invalid filename");
                    342:                        break;
                    343:        }
1.17    ! ohara     344: #if defined(PARI)
1.1       noro      345:        pari_outfile =
                    346: #endif
                    347:        asir_out = fp;
                    348:        *rp = ONE;
                    349: }
                    350:
                    351: extern int ox_file_io;
                    352:
1.15      noro      353: void Pbsave(NODE arg,Q *rp)
1.1       noro      354: {
                    355:        FILE *fp;
                    356:        VL vl,t;
                    357:
                    358:        asir_assert(ARG1(arg),O_STR,"bsave");
                    359:        get_vars_recursive(ARG0(arg),&vl);
                    360:        for ( t = vl; t; t = NEXT(t) )
                    361:                if ( t->v->attr == (pointer)V_UC )
                    362:                        error("bsave : not implemented");
                    363:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    364:        if ( !fp )
                    365:                error("bsave : invalid filename");
                    366:        ox_file_io = 1; /* network byte order is used */
                    367:        savevl(fp,vl);
                    368:        saveobj(fp,ARG0(arg));
                    369:        fclose(fp);
                    370:        ox_file_io = 0;
                    371:        *rp = ONE;
                    372: }
                    373:
1.15      noro      374: void Pbload(NODE arg,Obj *rp)
1.1       noro      375: {
                    376:        FILE *fp;
                    377:
                    378:        asir_assert(ARG0(arg),O_STR,"bload");
                    379:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    380:        if ( !fp )
                    381:                error("bload : invalid filename");
                    382:        ox_file_io = 1; /* network byte order is used */
                    383:        loadvl(fp);
                    384:        loadobj(fp,rp);
                    385:        fclose(fp);
                    386:        ox_file_io = 0;
                    387: }
                    388:
1.15      noro      389: void Pbsave_cmo(NODE arg,Q *rp)
1.1       noro      390: {
                    391:        FILE *fp;
                    392:
                    393:        asir_assert(ARG1(arg),O_STR,"bsave_cmo");
                    394:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    395:        if ( !fp )
                    396:                error("bsave_cmo : invalid filename");
                    397:        ox_file_io = 1; /* network byte order is used */
                    398:        write_cmo(fp,ARG0(arg));
                    399:        fclose(fp);
                    400:        ox_file_io = 0;
                    401:        *rp = ONE;
                    402: }
                    403:
1.15      noro      404: void Pbload_cmo(NODE arg,Obj *rp)
1.1       noro      405: {
                    406:        FILE *fp;
                    407:
                    408:        asir_assert(ARG0(arg),O_STR,"bload_cmo");
                    409:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    410:        if ( !fp )
                    411:                error("bload_cmo : invalid filename");
                    412:        ox_file_io = 1; /* network byte order is used */
                    413:        read_cmo(fp,rp);
                    414:        fclose(fp);
                    415:        ox_file_io = 0;
                    416: }
                    417:
1.7       noro      418: static struct oSTRING rootdir;
                    419:
1.1       noro      420: #if defined(VISUAL)
1.15      noro      421: void get_rootdir(char *name,int len)
1.1       noro      422: {
                    423:        LONG    ret;
                    424:        HKEY    hOpenKey;
                    425:        DWORD   Type;
1.7       noro      426:        char    *slash;
1.12      noro      427:
1.7       noro      428:        if ( rootdir.body ) {
                    429:                strcpy(name,rootdir.body);
1.12      noro      430:                return;
                    431:        }
                    432:
                    433:        if ( access("UseCurrentDir",0) >= 0 ) {
                    434:                GetCurrentDirectory(BUFSIZ,name);
                    435:                slash = strrchr(name,'\\');
                    436:                if ( slash )
                    437:                        *slash = 0;
1.7       noro      438:                return;
                    439:        }
1.1       noro      440:        name[0] = 0;
                    441:        ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ECGEN_KEYNAME, 0,
                    442:                KEY_QUERY_VALUE, &hOpenKey);
                    443:        if ( ret != ERROR_SUCCESS )
                    444:                ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ASIR_KEYNAME, 0,
                    445:                        KEY_QUERY_VALUE, &hOpenKey);
                    446:        if( ret == ERROR_SUCCESS ) {
                    447:                RegQueryValueEx(hOpenKey, "Directory", NULL, &Type, name, &len);
                    448:                RegCloseKey(hOpenKey);
1.7       noro      449:        } else {
                    450:                GetCurrentDirectory(len,name);
                    451:                slash = strrchr(name,'\\');
                    452:                if ( slash )
                    453:                        *slash = 0;
1.1       noro      454:        }
                    455: }
1.7       noro      456:
1.15      noro      457: void set_rootdir(char *name)
1.7       noro      458: {
                    459:        static char DirName[BUFSIZ];
                    460:
                    461:        strcpy(DirName,name);
                    462:        rootdir.id = O_STR;
                    463:        rootdir.body = DirName;
                    464:        asir_libdir = DirName;
                    465:        /* XXX */
                    466:        env_init();
                    467: }
                    468:
1.1       noro      469: #else
1.15      noro      470: void get_rootdir(char *name,int len)
1.1       noro      471: {
                    472:        strcpy(name,asir_libdir);
                    473: }
1.7       noro      474:
1.15      noro      475: void set_rootdir(char *name)
1.7       noro      476: {
                    477:        static char DirName[BUFSIZ];
                    478:
                    479:        strcpy(DirName,name);
                    480:        asir_libdir = DirName;
                    481:        /* XXX */
                    482:        env_init();
                    483: }
                    484:
1.1       noro      485: #endif
                    486:
1.15      noro      487: void Pget_rootdir(STRING *rp)
1.1       noro      488: {
                    489:        static char DirName[BUFSIZ];
                    490:
                    491:        if ( !rootdir.body ) {
                    492:                get_rootdir(DirName,sizeof(DirName));
                    493:                rootdir.id = O_STR;
                    494:                rootdir.body = DirName;
                    495:        }
                    496:        *rp = &rootdir;
                    497: }
                    498:
1.6       noro      499: #if defined(VISUAL) && defined(DES_ENC)
1.15      noro      500: void Pbsave_enc(NODE arg,Obj *rp)
1.1       noro      501: {
                    502:        init_deskey();
                    503:        des_encryption = 1;
                    504:        Pbsave(arg,rp);
                    505:        des_encryption = 0;
                    506: }
                    507:
1.15      noro      508: void Pbload_enc(NODE arg,Obj *rp)
1.1       noro      509: {
                    510:        init_deskey();
                    511:        des_encryption = 1;
                    512:        Pbload(arg,rp);
                    513:        des_encryption = 0;
                    514: }
1.6       noro      515: #endif
1.1       noro      516:
1.15      noro      517: void Pbload27(NODE arg,Obj *rp)
1.1       noro      518: {
                    519:        FILE *fp;
                    520:        Obj r;
                    521:
                    522:        asir_assert(ARG0(arg),O_STR,"bload27");
                    523:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    524:        if ( !fp )
                    525:                error("bload : invalid filename");
                    526:        loadvl(fp);
                    527:        loadobj(fp,&r);
                    528:        fclose(fp);
                    529:        bobjtoobj(BASE27,r,rp);
                    530: }
                    531:
1.15      noro      532: void Pbsave_compat(NODE arg,Q *rp)
1.1       noro      533: {
                    534:        FILE *fp;
                    535:        VL vl,t;
                    536:
                    537:        asir_assert(ARG1(arg),O_STR,"bsave_compat");
                    538:        get_vars_recursive(ARG0(arg),&vl);
                    539:        for ( t = vl; t; t = NEXT(t) )
                    540:                if ( t->v->attr == (pointer)V_UC )
                    541:                        error("bsave : not implemented");
                    542:        fp = fopen(BDY((STRING)ARG1(arg)),"wb");
                    543:        if ( !fp )
                    544:                error("bsave : invalid filename");
                    545:        /* indicator of an asir32 file */
                    546:        putw(0,fp); putw(0,fp);
                    547:        savevl(fp,vl);
                    548:        saveobj(fp,ARG0(arg));
                    549:        fclose(fp);
                    550:        *rp = ONE;
                    551: }
                    552:
1.15      noro      553: void Pbload_compat(NODE arg,Obj *rp)
1.1       noro      554: {
                    555:        FILE *fp;
                    556:        unsigned int hdr[2];
                    557:        Obj r;
                    558:        int c;
                    559:
                    560:        asir_assert(ARG0(arg),O_STR,"bload_compat");
                    561:        fp = fopen(BDY((STRING)ARG0(arg)),"rb");
                    562:        if ( !fp )
                    563:                error("bload : invalid filename");
                    564:        fread(hdr,sizeof(unsigned int),2,fp);
                    565:        if ( !hdr[0] && !hdr[1] ) {
                    566:                /* asir32 file or asir27 0 */
                    567:                c = fgetc(fp);
                    568:                if ( c == EOF ) {
                    569:                        /* asir27 0 */
                    570:                        *rp = 0;
                    571:                } else {
                    572:                        /* asir32 file */
                    573:                        ungetc(c,fp);
                    574:                        loadvl(fp);
                    575:                        loadobj(fp,rp);
                    576:                }
                    577:        } else {
                    578:                /* asir27 file */
                    579:                rewind(fp);
                    580:                loadvl(fp);
                    581:                loadobj(fp,&r);
                    582:                bobjtoobj(BASE27,r,rp);
                    583:        }
                    584:        fclose(fp);
                    585: }
                    586:
1.15      noro      587: void Premove_file(NODE arg,Q *rp)
1.1       noro      588: {
                    589:        unlink((char *)BDY((STRING)ARG0(arg)));
                    590:        *rp = ONE;
                    591: }
                    592:
1.15      noro      593: void Paccess(NODE arg,Q *rp)
1.1       noro      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:
1.15      noro      611: void call_exe(char *name,char **av)
1.9       noro      612: {
                    613:        _spawnv(_P_WAIT,name,av);
                    614: }
                    615: #endif

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