diff options
Diffstat (limited to 'apt-pkg/contrib/fileutl.h')
| -rw-r--r-- | apt-pkg/contrib/fileutl.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h index 5e857b5c8..19b4ed49e 100644 --- a/apt-pkg/contrib/fileutl.h +++ b/apt-pkg/contrib/fileutl.h @@ -87,7 +87,28 @@ class FileFd } bool Read(void *To,unsigned long long Size,unsigned long long *Actual = 0); bool static Read(int const Fd, void *To, unsigned long long Size, unsigned long long * const Actual = 0); + /** read a complete line or until buffer is full + * + * The buffer will always be \\0 terminated, so at most Size-1 characters are read. + * If the buffer holds a complete line the last character (before \\0) will be + * the newline character \\n otherwise the line was longer than the buffer. + * + * @param To buffer which will hold the line + * @param Size of the buffer to fill + * @param \b nullptr is returned in error cases, otherwise + * the parameter \b To now filled with the line. + */ char* ReadLine(char *To, unsigned long long const Size); + /** read a complete line from the file + * + * Similar to std::getline() the string does \b not include + * the newline, but just the content of the line as the newline + * is not needed to distinguish cases as for the other #ReadLine method. + * + * @param To string which will hold the line + * @return \b true if successful, otherwise \b false + */ + bool ReadLine(std::string &To); bool Flush(); bool Write(const void *From,unsigned long long Size); bool static Write(int Fd, const void *From, unsigned long long Size); @@ -140,6 +161,7 @@ class FileFd inline bool Eof() {return (Flags & HitEof) == HitEof;}; inline bool IsCompressed() {return (Flags & Compressed) == Compressed;}; inline std::string &Name() {return FileName;}; + inline void SetFileName(std::string const &name) { FileName = name; }; FileFd(std::string FileName,unsigned int const Mode,unsigned long AccessMode = 0666); FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long AccessMode = 0666); @@ -256,5 +278,6 @@ std::vector<std::string> Glob(std::string const &pattern, int flags=0); bool Popen(const char* Args[], FileFd &Fd, pid_t &Child, FileFd::OpenMode Mode, bool CaptureStderr); bool Popen(const char* Args[], FileFd &Fd, pid_t &Child, FileFd::OpenMode Mode); +APT_HIDDEN bool OpenConfigurationFileFd(std::string const &File, FileFd &Fd); #endif |