Return to start.c CVS log

Up to [CSRG BSD Unix] / 41BSD / cmd / learn

Annotation of 41BSD/cmd/learn/start.c, revision 1.1.1.1

1.1       root        1: #include "stdio.h"
                      2: #include <sys/types.h>
                      3: #include <sys/dir.h>
                      4: #include "lrnref"
                      5: #define        ND      64
                      6: 
                      7: start(lesson)
                      8: char *lesson;
                      9: {
                     10:        struct direct dv[ND], *dm, *dp;
                     11:        int f, c, n;
                     12:        char where [100];
                     13: 
                     14:        f = open(".", 0);
                     15:        n = read(f, dv, ND*sizeof(*dp));
                     16:        n /= sizeof(*dp);
                     17:        if (n==ND)
                     18:                fprintf(stderr, "lesson too long\n");
                     19:        dm = dv+n;
                     20:        for(dp=dv; dp<dm; dp++)
                     21:                if (dp->d_ino) {
                     22:                        n = strlen(dp->d_name);
                     23:                        if (dp->d_name[n-2] == '.' && dp->d_name[n-1] == 'c')
                     24:                                continue;
                     25:                        c = dp->d_name[0];
                     26:                        if (c>='a' && c<= 'z')
                     27:                                unlink(dp->d_name);
                     28:                }
                     29:        close(f);
                     30:        if (ask)
                     31:                return;
                     32:        sprintf(where, "../../%s/L%s", sname, lesson);
                     33:        if (access(where, 04)==0)       /* there is a file */
                     34:                return;
                     35:        fprintf(stderr, "No lesson %s\n",lesson);
                     36:        wrapup(1);
                     37: }
                     38: 
                     39: fcopy(new,old)
                     40: char *new, *old;
                     41: {
                     42:        char b[BUFSIZ];
                     43:        int n, fn, fo;
                     44:        fn = creat(new, 0666);
                     45:        fo = open(old,0);
                     46:        if (fo<0) return;
                     47:        if (fn<0) return;
                     48:        while ( (n=read(fo, b, BUFSIZ)) > 0)
                     49:                write(fn, b, n);
                     50:        close(fn);
                     51:        close(fo);
                     52: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.