diff options
Diffstat (limited to 'apt-pkg/contrib/fileutl.cc')
| -rw-r--r-- | apt-pkg/contrib/fileutl.cc | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 630a98ce4..7633b07ef 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -2493,9 +2493,6 @@ bool FileFd::Read(int const Fd, void *To, unsigned long long Size, unsigned long } /*}}}*/ // FileFd::ReadLine - Read a complete line from the file /*{{{*/ -// --------------------------------------------------------------------- -/* Beware: This method can be quite slow for big buffers on UNcompressed - files because of the naive implementation! */ char* FileFd::ReadLine(char *To, unsigned long long const Size) { *To = '\0'; @@ -2503,6 +2500,29 @@ char* FileFd::ReadLine(char *To, unsigned long long const Size) return nullptr; return d->InternalReadLine(To, Size); } +bool FileFd::ReadLine(std::string &To) +{ + To.clear(); + if (d == nullptr || Failed()) + return false; + constexpr size_t buflen = 4096; + char buffer[buflen]; + size_t len; + do + { + if (d->InternalReadLine(buffer, buflen) == nullptr) + return false; + len = strlen(buffer); + To.append(buffer, len); + } while (len == buflen - 1 && buffer[len - 2] != '\n'); + // remove the newline at the end + auto const i = To.find_last_not_of("\r\n"); + if (i == std::string::npos) + To.clear(); + else + To.erase(i + 1); + return true; +} /*}}}*/ // FileFd::Flush - Flush the file /*{{{*/ bool FileFd::Flush() @@ -3104,3 +3124,9 @@ bool DropPrivileges() /*{{{*/ return true; } /*}}}*/ +bool OpenConfigurationFileFd(std::string const &File, FileFd &Fd) /*{{{*/ +{ + APT::Configuration::Compressor none(".", "", "", nullptr, nullptr, 0); + return Fd.Open(File, FileFd::ReadOnly, none); +} + /*}}}*/ |