diff options
Diffstat (limited to 'libgo/go/net/parse.go')
-rw-r--r-- | libgo/go/net/parse.go | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libgo/go/net/parse.go b/libgo/go/net/parse.go index de46830d292..0d30a7ac609 100644 --- a/libgo/go/net/parse.go +++ b/libgo/go/net/parse.go @@ -159,6 +159,18 @@ func xtoi(s string, i0 int) (n int, i int, ok bool) { return n, i, true } +// xtoi2 converts the next two hex digits of s into a byte. +// If s is longer than 2 bytes then the third byte must be e. +// If the first two bytes of s are not hex digits or the third byte +// does not match e, false is returned. +func xtoi2(s string, e byte) (byte, bool) { + if len(s) > 2 && s[2] != e { + return 0, false + } + n, ei, ok := xtoi(s[:2], 0) + return byte(n), ok && ei == 2 +} + // Integer to decimal. func itoa(i int) string { var buf [30]byte @@ -181,6 +193,37 @@ func itoa(i int) string { return string(buf[n:]) } +// Convert i to decimal string. +func itod(i uint) string { + if i == 0 { + return "0" + } + + // Assemble decimal in reverse order. + var b [32]byte + bp := len(b) + for ; i > 0; i /= 10 { + bp-- + b[bp] = byte(i%10) + '0' + } + + return string(b[bp:]) +} + +// Convert i to hexadecimal string. +func itox(i uint, min int) string { + // Assemble hexadecimal in reverse order. + var b [32]byte + bp := len(b) + for ; i > 0 || min > 0; i /= 16 { + bp-- + b[bp] = "0123456789abcdef"[byte(i%16)] + min-- + } + + return string(b[bp:]) +} + // Number of occurrences of b in s. func count(s string, b byte) int { n := 0 |