diff options
author | Adam Langley <agl@google.com> | 2015-09-24 23:03:06 +0000 |
---|---|---|
committer | Android Git Automerger <android-git-automerger@android.com> | 2015-09-24 23:03:06 +0000 |
commit | c737bc23bc868fff21e5c1b95940813f709ea550 (patch) | |
tree | dd743d9d64af3145fe96b8d5fc2f3427544794bd /src/crypto/bytestring/cbs.c | |
parent | 0267d647a4d272af8b9e7c91063d374f7e2775bb (diff) | |
parent | 3781a60670f92c3c6fca860cb4589495cefa2e56 (diff) | |
download | external_boringssl-c737bc23bc868fff21e5c1b95940813f709ea550.zip external_boringssl-c737bc23bc868fff21e5c1b95940813f709ea550.tar.gz external_boringssl-c737bc23bc868fff21e5c1b95940813f709ea550.tar.bz2 |
am 3781a606: am 1e4884f6: external/boringssl: sync with upstream.
* commit '3781a60670f92c3c6fca860cb4589495cefa2e56':
external/boringssl: sync with upstream.
Diffstat (limited to 'src/crypto/bytestring/cbs.c')
-rw-r--r-- | src/crypto/bytestring/cbs.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/crypto/bytestring/cbs.c b/src/crypto/bytestring/cbs.c index b8caedd..5e0c538 100644 --- a/src/crypto/bytestring/cbs.c +++ b/src/crypto/bytestring/cbs.c @@ -137,6 +137,15 @@ int CBS_get_bytes(CBS *cbs, CBS *out, size_t len) { return 1; } +int CBS_copy_bytes(CBS *cbs, uint8_t *out, size_t len) { + const uint8_t *v; + if (!cbs_get(cbs, &v, len)) { + return 0; + } + memcpy(out, v, len); + return 1; +} + static int cbs_get_length_prefixed(CBS *cbs, CBS *out, size_t len_len) { uint32_t len; if (!cbs_get_u(cbs, &len, len_len)) { @@ -320,14 +329,19 @@ int CBS_get_asn1_uint64(CBS *cbs, uint64_t *out) { } int CBS_get_optional_asn1(CBS *cbs, CBS *out, int *out_present, unsigned tag) { + int present = 0; + if (CBS_peek_asn1_tag(cbs, tag)) { if (!CBS_get_asn1(cbs, out, tag)) { return 0; } - *out_present = 1; - } else { - *out_present = 0; + present = 1; + } + + if (out_present != NULL) { + *out_present = present; } + return 1; } |