diff options
Diffstat (limited to 'src/fmt/format.go')
| -rw-r--r-- | src/fmt/format.go | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/fmt/format.go b/src/fmt/format.go index 6d93908095..24e7e9551a 100644 --- a/src/fmt/format.go +++ b/src/fmt/format.go @@ -191,7 +191,7 @@ func (f *fmt) fmtUnicode(u uint64) { } // fmtInteger formats signed and unsigned integers. -func (f *fmt) fmtInteger(u uint64, base int, isSigned bool, digits string) { +func (f *fmt) fmtInteger(u uint64, base int, isSigned bool, verb rune, digits string) { negative := isSigned && int64(u) < 0 if negative { u = -u @@ -275,6 +275,12 @@ func (f *fmt) fmtInteger(u uint64, base int, isSigned bool, digits string) { // Various prefixes: 0x, -, etc. if f.sharp { switch base { + case 2: + // Add a leading 0b. + i-- + buf[i] = 'b' + i-- + buf[i] = '0' case 8: if buf[i] != '0' { i-- @@ -288,6 +294,12 @@ func (f *fmt) fmtInteger(u uint64, base int, isSigned bool, digits string) { buf[i] = '0' } } + if verb == 'O' { + i-- + buf[i] = 'o' + i-- + buf[i] = '0' + } if negative { i-- |