25 lines
593 B
C
25 lines
593 B
C
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#include "tai.h"
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#include "caldate.h"
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unsigned int caldate_scan(char *s, struct caldate *cd)
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{
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int sign = 1;
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char *t = s;
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unsigned long z;
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unsigned long c;
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if (*t == '-') { ++t; sign = -1; }
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z = 0; while ((c = (unsigned char) (*t - '0')) <= 9) { z = z * 10 + c; ++t; }
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cd->year = z * sign;
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if (*t++ != '-') return 0;
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z = 0; while ((c = (unsigned char) (*t - '0')) <= 9) { z = z * 10 + c; ++t; }
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cd->month = z;
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if (*t++ != '-') return 0;
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z = 0; while ((c = (unsigned char) (*t - '0')) <= 9) { z = z * 10 + c; ++t; }
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cd->day = z;
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return (unsigned int)(t - s);
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}
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