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11 lines
317 B

21 years ago
21 years ago
21 years ago
  1. #include "fmt.h"
  2. size_t fmt_ulong(char *dest,unsigned long i) {
  3. register unsigned long len,tmp,len2;
  4. /* first count the number of bytes needed */
  5. for (len=1, tmp=i; tmp>9; ++len) tmp/=10;
  6. if (dest)
  7. for (tmp=i, dest+=len, len2=len+1; --len2; tmp/=10)
  8. *--dest = (char)((tmp%10)+'0');
  9. return len;
  10. }