diff options
Diffstat (limited to 'fmt_ulong.c')
-rw-r--r-- | fmt_ulong.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fmt_ulong.c b/fmt_ulong.c new file mode 100644 index 0000000..db48bfd --- /dev/null +++ b/fmt_ulong.c @@ -0,0 +1,13 @@ +#include "fmt.h" + +unsigned int fmt_ulong(register char *s,register unsigned long u) +{ + register unsigned int len; register unsigned long q; + len = 1; q = u; + while (q > 9) { ++len; q /= 10; } + if (s) { + s += len; + do { *--s = '0' + (u % 10); u /= 10; } while(u); /* handles u == 0 */ + } + return len; +} |