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Annotation of researchv10dc/cmd/pascal/pc0/ato.c, revision 1.1

1.1     ! root        1: /* Copyright (c) 1979 Regents of the University of California */
        !             2: 
        !             3: static char sccsid[] = "@(#)ato.c 1.2 3/8/81";
        !             4: 
        !             5: #include "whoami.h"
        !             6: #include "0.h"
        !             7: 
        !             8: long
        !             9: a8tol(cp)
        !            10:        char *cp;
        !            11: {
        !            12:        int err;
        !            13:        long l;
        !            14:        register CHAR c;
        !            15: 
        !            16:        l = 0;
        !            17:        err = 0;
        !            18:        while ((c = *cp++) != '\0') {
        !            19:                if (c == '8' || c == '9')
        !            20:                        if (err == 0) {
        !            21:                                error("8 or 9 in octal number");
        !            22:                                err++;
        !            23:                        }
        !            24:                c -= '0';
        !            25:                if ((l & 016000000000L) != 0)
        !            26:                        if (err == 0) {
        !            27:                                error("Number too large for this implementation");
        !            28:                                err++;
        !            29:                        }
        !            30:                l = (l << 3) | c;
        !            31:        }
        !            32:        return (l);
        !            33: }
        !            34: 
        !            35: /*
        !            36:  * Note that the version of atof
        !            37:  * used in this compiler does not
        !            38:  * (sadly) complain when floating
        !            39:  * point numbers are too large.
        !            40:  */

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