diff options
| -rw-r--r-- | src/strconv/ftoa.go | 3 | ||||
| -rw-r--r-- | src/strconv/ftoa_test.go | 5 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/strconv/ftoa.go b/src/strconv/ftoa.go index eca04b851c..f602d0ffe6 100644 --- a/src/strconv/ftoa.go +++ b/src/strconv/ftoa.go @@ -138,6 +138,9 @@ func genericFtoa(dst []byte, val float64, fmt byte, prec, bitSize int) []byte { prec = 1 } digits = prec + default: + // Invalid mode. + digits = 1 } var buf [24]byte if bitSize == 32 && digits <= 9 { diff --git a/src/strconv/ftoa_test.go b/src/strconv/ftoa_test.go index 73008b1c62..3512ccf580 100644 --- a/src/strconv/ftoa_test.go +++ b/src/strconv/ftoa_test.go @@ -151,6 +151,11 @@ var ftoatests = []ftoaTest{ {498484681984085570, 'f', -1, "498484681984085570"}, {-5.8339553793802237e+23, 'g', -1, "-5.8339553793802237e+23"}, + // Issue 52187 + {123.45, '?', 0, "%?"}, + {123.45, '?', 1, "%?"}, + {123.45, '?', -1, "%?"}, + // rounding {2.275555555555555, 'x', -1, "0x1.23456789abcdep+01"}, {2.275555555555555, 'x', 0, "0x1p+01"}, |