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16 lines
365 B

23 years ago
#include "fmt.h"
static inline char tohex(char c) {
return c>10?c-10+'a':c+'0';
unsigned int fmt_xlong(char *dest,unsigned long i) {
register unsigned long len,tmp;
/* first count the number of bytes needed */
for (len=1, tmp=i; tmp>15; ++len) tmp>>=4;
if (dest)
for (tmp=i, dest+=len; tmp; tmp>>=4)
*--dest = tohex(tmp&15);
return len;