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Annotation of researchv10no/cmd/basic/bite/src/save.c, revision 1.1.1.1

1.1       root        1: /* Copyright Bell Telephone Laboratories Whippany, N.J.
                      2: 
                      3:  *     ***********************************
                      4:  *     ***********************************
                      5:  *     ******* SAVE A BITE PROGRAM *******
                      6:  *     *** R. B. Drake WH 8C-005 X4163 ***
                      7:  *     **** Sun Aug 26 11:27:17 1979 *****
                      8:  *     ***********************************
                      9:  *     ***********************************
                     10: 
                     11: */
                     12: /*   "@(#) save.c:  V 1.1  12/21/80" */
                     13: 
                     14: /* This routine is used to save BASIC programs in standard ASCII format
                     15:    on the UNIX file system. Files saved in this way can be edited by
                     16:    the standard unix editor if desired. However if that is done no
                     17:    syntax checking can be done until the file is "loaded" */
                     18: #include "bas.h"
                     19: extern char filnam[];
                     20: 
                     21: save()
                     22: {
                     23:        FILE *fopen(),*fp;
                     24:        char *ptr;
                     25:        if(expr[0] == '\0' && filnam[0] == '\0')
                     26:                getfnam();
                     27:        if(expr[0] != '\0')
                     28:        {
                     29:                if(strlen(expr) > 40)
                     30:                {
                     31:                        error(inst.thing.linno,4);
                     32:                        return(-1);
                     33:                }
                     34:                strcpy(filnam,expr);
                     35:                postb(filnam);
                     36:        }
                     37:        if(fetch(0,&ptr) < 0)
                     38:        {
                     39:                error(inst.thing.linno,5);
                     40:                return(-1);
                     41:        }
                     42:        if((fp=fopen(filnam,"w")) == 0)
                     43:        {
                     44:                error(inst.thing.linno,4);
                     45:                return(-1);
                     46:        }
                     47:        outit(fp);
                     48:        while(fetch(-1,&ptr) ==0)
                     49:                outit(fp);
                     50:        fclose(fp);
                     51:        printf("File saved on %s\n",filnam);
                     52:        return 0;
                     53: }
                     54: outit(fp)
                     55: FILE *fp;
                     56: {
                     57: extern char linbuf[];
                     58: char *op;
                     59: int i;
                     60:        expand();
                     61:        fprintf(fp,"%d",inst.thing.linno);
                     62:        if((inst.thing.opcode.hibyte&0377) > 0200)
                     63:        {
                     64:                i=(inst.thing.opcode.hibyte&0377) - 0200;
                     65:                while(i--)
                     66:                        fprintf(fp,"\t");
                     67:        }
                     68:        else
                     69:                fprintf(fp," ");
                     70:        op = decode(inst.thing.opcode.lobyte);
                     71:        if(op[0]=='\010')
                     72:        fprintf(fp,"%s\n",linbuf);
                     73:        else
                     74:        fprintf(fp,"%s %s\n",op,linbuf);
                     75: }

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