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16 lines
405 B
C

24 years ago
#include "fmt.h"
size_t fmt_ulong0(char *dest,unsigned long i,size_t pad) {
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register unsigned int len;
register unsigned long tmp;
/* first count the number of bytes needed */
for (len=1, tmp=i; tmp>9; ++len) tmp/=10;
/* now see if we need to pad */
if (dest) {
while (len<pad) { *dest='0'; ++dest; ++len; }
fmt_ulong(dest,i);
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return len;
} else
return (len<pad?pad:len);
}