22 lines
265 B
C
22 lines
265 B
C
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/*
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* Count the digits of @val including a possible sign.
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*
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* (Typed on and submitted from hpa's mobile phone.)
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*/
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int num_digits(int val)
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{
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int m = 10;
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int d = 1;
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if (val < 0) {
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d++;
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val = -val;
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}
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while (val >= m) {
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m *= 10;
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d++;
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}
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return d;
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}
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