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Annotation of researchv9/sys/boot/stand/copy.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)copy.c     1.1 86/02/03    SMI"; /* From ancient history */
        !             3: #endif
        !             4: 
        !             5: #define        BUFSIZ  (3*10*1024)     /* must be multiple of 10K, < 32K */
        !             6: 
        !             7: /*
        !             8:  * Copy from to in large units.
        !             9:  * Intended for use in bootstrap procedure.
        !            10:  */
        !            11: main()
        !            12: {
        !            13:        int from, to;
        !            14:        char fbuf[50], tbuf[50];
        !            15:        static char buffer[BUFSIZ];
        !            16:        register int i;
        !            17:        register int count = 0;
        !            18: 
        !            19:        printf("Standalone Copy\n");
        !            20:        from = getdev("From", fbuf, 0);
        !            21:        to = getdev("To", tbuf, 1);
        !            22:        for (;;) {
        !            23:                i = read(from, buffer, sizeof (buffer));
        !            24:                if (i <= 0)
        !            25:                        break;
        !            26:                if (write(to, buffer, i) != i) {
        !            27:                        printf("Write error\n");
        !            28:                        break;
        !            29:                }
        !            30:                count += i;
        !            31:        }
        !            32:        if (i < 0)
        !            33:                printf("Read error\n");
        !            34:        printf("Copy completed - %d bytes\n", count);
        !            35: }
        !            36: 
        !            37: getdev(prompt, buf, mode)
        !            38:        char *prompt, *buf;
        !            39:        int mode;
        !            40: {
        !            41:        register int i;
        !            42: 
        !            43:        do {
        !            44:                printf("%s: ", prompt);
        !            45:                gets(buf);
        !            46:                i = open(buf, mode);
        !            47:        } while (i <= 0);
        !            48:        return (i);
        !            49: }

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