diff options
Diffstat (limited to 'nix')
-rw-r--r-- | nix/libstore/build.cc | 2 | ||||
-rw-r--r-- | nix/libutil/hash.cc | 9 | ||||
-rw-r--r-- | nix/libutil/util.cc | 4 |
3 files changed, 9 insertions, 6 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index 10a6093bd5..c5383bc756 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -2576,7 +2576,7 @@ Path DerivationGoal::openLogFile() closeOnExec(fd); if (!(fLogFile = fdopen(fd.borrow(), "w"))) - throw SysError(format("opening file `%1%'") % logFileName); + throw SysError(format("opening log file `%1%'") % logFileName); int err; if (!(bzLogFile = BZ2_bzWriteOpen(&err, fLogFile, 9, 0, 0))) diff --git a/nix/libutil/hash.cc b/nix/libutil/hash.cc index 7853acdd49..9b83ffcdd9 100644 --- a/nix/libutil/hash.cc +++ b/nix/libutil/hash.cc @@ -76,8 +76,11 @@ string printHash(const Hash & hash) Hash parseHash(HashType ht, const string & s) { Hash hash(ht); - if (s.length() != hash.hashSize * 2) - throw Error(format("invalid hash `%1%'") % s); + if (s.length() != hash.hashSize * 2) { + string algo = gcry_md_algo_name(ht); + throw Error(format("invalid %1% hash '%2%' (%3% bytes but expected %4%)") + % algo % s % (s.length() / 2) % hash.hashSize); + } for (unsigned int i = 0; i < hash.hashSize; i++) { string s2(s, i * 2, 2); if (!isxdigit(s2[0]) || !isxdigit(s2[1])) @@ -244,7 +247,7 @@ Hash hashFile(HashType ht, const Path & path) start(ht, ctx); AutoCloseFD fd = open(path.c_str(), O_RDONLY); - if (fd == -1) throw SysError(format("opening file `%1%'") % path); + if (fd == -1) throw SysError(format("computing hash of file `%1%'") % path); unsigned char buf[8192]; ssize_t n; diff --git a/nix/libutil/util.cc b/nix/libutil/util.cc index 4d3780e3c2..82eac72120 100644 --- a/nix/libutil/util.cc +++ b/nix/libutil/util.cc @@ -264,7 +264,7 @@ string readFile(const Path & path, bool drain) { AutoCloseFD fd = open(path.c_str(), O_RDONLY); if (fd == -1) - throw SysError(format("opening file `%1%'") % path); + throw SysError(format("reading file `%1%'") % path); return drain ? drainFD(fd) : readFile(fd); } @@ -273,7 +273,7 @@ void writeFile(const Path & path, const string & s) { AutoCloseFD fd = open(path.c_str(), O_WRONLY | O_TRUNC | O_CREAT, 0666); if (fd == -1) - throw SysError(format("opening file '%1%'") % path); + throw SysError(format("writing file '%1%'") % path); writeFull(fd, s); } |