diff options
Diffstat (limited to 'apt-pkg/contrib/hashes.cc')
| -rw-r--r-- | apt-pkg/contrib/hashes.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc index 6afd0815f..8733f6392 100644 --- a/apt-pkg/contrib/hashes.cc +++ b/apt-pkg/contrib/hashes.cc @@ -302,8 +302,30 @@ public: unsigned long long FileSize; gcry_md_hd_t hd; + void maybeInit() + { + + // Yikes, we got to initialize libgcrypt, or we get warnings. But we + // abstract away libgcrypt in Hashes from our users - they are not + // supposed to know what the hashing backend is, so we can't force + // them to init themselves as libgcrypt folks want us to. So this + // only leaves us with this option... + if (!gcry_control(GCRYCTL_INITIALIZATION_FINISHED_P)) + { + if (!gcry_check_version(nullptr)) + { + fprintf(stderr, "libgcrypt is too old (need %s, have %s)\n", + "nullptr", gcry_check_version(NULL)); + exit(2); + } + + gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0); + } + } + explicit PrivateHashes(unsigned int const CalcHashes) : FileSize(0) { + maybeInit(); gcry_md_open(&hd, 0, 0); for (auto & Algo : Algorithms) { @@ -313,6 +335,7 @@ public: } explicit PrivateHashes(HashStringList const &Hashes) : FileSize(0) { + maybeInit(); gcry_md_open(&hd, 0, 0); for (auto & Algo : Algorithms) { |