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| author | Ian Lance Taylor <iant@golang.org> | 2020-12-23 09:57:37 -0800 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2020-12-30 15:13:24 -0800 |
| commit | cfcbb4227fb20191e04eb8d7766ae6202f526afd (patch) | |
| tree | e2effea96f6f204451779f044415c2385e45042b /libgo/go/encoding/asn1/common.go | |
| parent | 0696141107d61483f38482b941549959a0d7f613 (diff) | |
| download | gcc-cfcbb4227fb20191e04eb8d7766ae6202f526afd.zip gcc-cfcbb4227fb20191e04eb8d7766ae6202f526afd.tar.gz gcc-cfcbb4227fb20191e04eb8d7766ae6202f526afd.tar.bz2 | |
libgo: update to Go1.16beta1 release
This does not yet include support for the //go:embed directive added
in this release.
* Makefile.am (check-runtime): Don't create check-runtime-dir.
(mostlyclean-local): Don't remove check-runtime-dir.
(check-go-tool, check-vet): Copy in go.mod and modules.txt.
(check-cgo-test, check-carchive-test): Add go.mod file.
* Makefile.in: Regenerate.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/280172
Diffstat (limited to 'libgo/go/encoding/asn1/common.go')
| -rw-r--r-- | libgo/go/encoding/asn1/common.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libgo/go/encoding/asn1/common.go b/libgo/go/encoding/asn1/common.go index e2aa8bd..1c712e1 100644 --- a/libgo/go/encoding/asn1/common.go +++ b/libgo/go/encoding/asn1/common.go @@ -92,7 +92,16 @@ type fieldParameters struct { // parseFieldParameters will parse it into a fieldParameters structure, // ignoring unknown parts of the string. func parseFieldParameters(str string) (ret fieldParameters) { - for _, part := range strings.Split(str, ",") { + var part string + for len(str) > 0 { + // This loop uses IndexByte and explicit slicing + // instead of strings.Split(str, ",") to reduce allocations. + i := strings.IndexByte(str, ',') + if i < 0 { + part, str = str, "" + } else { + part, str = str[:i], str[i+1:] + } switch { case part == "optional": ret.optional = true |