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annotate fmt_ulong.c @ 12:0e21568dec72

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allocate a Cdb struct rather than using a single static one, note that cdb_free does _not_ call alloc_free, just releases the map, in fact alloc_free is not called anywhere!
author Henry S. Thompson <ht@inf.ed.ac.uk>
date Mon, 03 Feb 2025 17:31:23 +0000
parents 2cb46628feec
children
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Henry S. Thompson <ht@inf.ed.ac.uk>
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1 #include "fmt.h"
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2
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3 unsigned int fmt_ulong(register char *s,register unsigned long u)
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4 {
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5 register unsigned int len; register unsigned long q;
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6 len = 1; q = u;
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7 while (q > 9) { ++len; q /= 10; }
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8 if (s) {
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9 s += len;
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10 do { *--s = '0' + (u % 10); u /= 10; } while(u); /* handles u == 0 */
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11 }
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12 return len;
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13 }