X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/27da8141d21cfbfc29675510737ee05bdfd4a2b1..500400fedd6e57eb0162a0e41fdd9ba05a2cae3d:/apt-pkg/contrib/fileutl.cc diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index a98c2cb85..c7f78cdfb 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -44,14 +44,11 @@ #include #include -// FIXME: Compressor Fds have some speed disadvantages and are a bit buggy currently, -// so while the current implementation satisfies the testcases it is not a real option -// to disable it for now -#define APT_USE_ZLIB 1 -#if APT_USE_ZLIB -#include -#else -#pragma message "Usage of zlib is DISABLED!" +#ifdef HAVE_ZLIB + #include +#endif +#ifdef HAVE_BZ2 + #include #endif #ifdef WORDS_BIGENDIAN @@ -65,17 +62,50 @@ using namespace std; class FileFdPrivate { public: -#if APT_USE_ZLIB +#ifdef HAVE_ZLIB gzFile gz; #else void* gz; +#endif +#ifdef HAVE_BZ2 + BZFILE* bz2; +#else + void* bz2; #endif int compressed_fd; pid_t compressor_pid; bool pipe; APT::Configuration::Compressor compressor; unsigned int openmode; - FileFdPrivate() : gz(NULL), compressed_fd(-1), compressor_pid(-1), pipe(false) {}; + unsigned long long seekpos; + FileFdPrivate() : gz(NULL), bz2(NULL), + compressed_fd(-1), compressor_pid(-1), pipe(false), + openmode(0), seekpos(0) {}; + bool CloseDown(std::string const &FileName) + { + bool Res = true; +#ifdef HAVE_ZLIB + if (gz != NULL) { + int const e = gzclose(gz); + gz = NULL; + // gzdclose() on empty files always fails with "buffer error" here, ignore that + if (e != 0 && e != Z_BUF_ERROR) + Res &= _error->Errno("close",_("Problem closing the gzip file %s"), FileName.c_str()); + } +#endif +#ifdef HAVE_BZ2 + if (bz2 != NULL) { + BZ2_bzclose(bz2); + bz2 = NULL; + } +#endif + if (compressor_pid > 0) + ExecWait(compressor_pid, "FileFdCompressor", true); + compressor_pid = -1; + + return Res; + } + ~FileFdPrivate() { CloseDown(""); } }; // RunScripts - Run a set of scripts from a configuration subtree /*{{{*/ @@ -385,6 +415,13 @@ std::vector GetListOfFilesInDir(string const &Dir, std::vector c { if (RealFileExists(File.c_str()) == false) { + // do not show ignoration warnings for directories + if ( +#ifdef _DIRENT_HAVE_D_TYPE + Ent->d_type == DT_DIR || +#endif + DirectoryExists(File.c_str()) == true) + continue; if (SilentIgnore.Match(Ent->d_name) == false) _error->Notice(_("Ignoring '%s' in directory '%s' as it is not a regular file"), Ent->d_name, Dir.c_str()); continue; @@ -452,6 +489,80 @@ std::vector GetListOfFilesInDir(string const &Dir, std::vector c } closedir(D); + if (SortList == true) + std::sort(List.begin(),List.end()); + return List; +} +std::vector GetListOfFilesInDir(string const &Dir, bool SortList) +{ + bool const Debug = _config->FindB("Debug::GetListOfFilesInDir", false); + if (Debug == true) + std::clog << "Accept in " << Dir << " all regular files" << std::endl; + + std::vector List; + + if (DirectoryExists(Dir.c_str()) == false) + { + _error->Error(_("List of files can't be created as '%s' is not a directory"), Dir.c_str()); + return List; + } + + DIR *D = opendir(Dir.c_str()); + if (D == 0) + { + _error->Errno("opendir",_("Unable to read %s"),Dir.c_str()); + return List; + } + + for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) + { + // skip "hidden" files + if (Ent->d_name[0] == '.') + continue; + + // Make sure it is a file and not something else + string const File = flCombine(Dir,Ent->d_name); +#ifdef _DIRENT_HAVE_D_TYPE + if (Ent->d_type != DT_REG) +#endif + { + if (RealFileExists(File.c_str()) == false) + { + if (Debug == true) + std::clog << "Bad file: " << Ent->d_name << " → it is not a real file" << std::endl; + continue; + } + } + + // Skip bad filenames ala run-parts + const char *C = Ent->d_name; + for (; *C != 0; ++C) + if (isalpha(*C) == 0 && isdigit(*C) == 0 + && *C != '_' && *C != '-' && *C != '.') + break; + + // we don't reach the end of the name -> bad character included + if (*C != 0) + { + if (Debug == true) + std::clog << "Bad file: " << Ent->d_name << " → bad character »" << *C << "« in filename" << std::endl; + continue; + } + + // skip filenames which end with a period. These are never valid + if (*(C - 1) == '.') + { + if (Debug == true) + std::clog << "Bad file: " << Ent->d_name << " → Period as last character" << std::endl; + continue; + } + + if (Debug == true) + std::clog << "Accept file: " << Ent->d_name << " in " << Dir << std::endl; + List.push_back(File); + } + closedir(D); + if (SortList == true) std::sort(List.begin(),List.end()); return List; @@ -752,7 +863,6 @@ bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress, if (Compress == Auto && (Mode & WriteOnly) == WriteOnly) return _error->Error("Autodetection on %s only works in ReadOnly openmode!", FileName.c_str()); - // FIXME: Denote inbuilt compressors somehow - as we don't need to have the binaries for them std::vector const compressors = APT::Configuration::getCompressors(); std::vector::const_iterator compressor = compressors.begin(); if (Compress == Auto) @@ -820,8 +930,6 @@ bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress, bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor, unsigned long const Perms) { Close(); - d = new FileFdPrivate; - d->openmode = Mode; Flags = AutoClose; if ((Mode & WriteOnly) != WriteOnly && (Mode & (Atomic | Create | Empty | Exclusive)) != 0) @@ -865,6 +973,7 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co else iFd = open(FileName.c_str(), fileflags, Perms); + this->FileName = FileName; if (iFd == -1 || OpenInternDescriptor(Mode, compressor) == false) { if (iFd != -1) @@ -875,7 +984,6 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co return _error->Errno("open",_("Could not open file %s"), FileName.c_str()); } - this->FileName = FileName; SetCloseExec(iFd,true); return true; } @@ -888,6 +996,11 @@ bool FileFd::OpenDescriptor(int Fd, unsigned int const Mode, CompressMode Compre std::vector const compressors = APT::Configuration::getCompressors(); std::vector::const_iterator compressor = compressors.begin(); std::string name; + + // compat with the old API + if (Mode == ReadOnlyGzip && Compress == None) + Compress = Gzip; + switch (Compress) { case None: name = "."; break; @@ -910,47 +1023,84 @@ bool FileFd::OpenDescriptor(int Fd, unsigned int const Mode, CompressMode Compre bool FileFd::OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration::Compressor const &compressor, bool AutoClose) { Close(); - d = new FileFdPrivate; - d->openmode = Mode; Flags = (AutoClose) ? FileFd::AutoClose : 0; iFd = Fd; + this->FileName = ""; if (OpenInternDescriptor(Mode, compressor) == false) { if (AutoClose) close (iFd); return _error->Errno("gzdopen",_("Could not open file descriptor %d"), Fd); } - this->FileName = ""; return true; } bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor) { - d->compressor = compressor; if (compressor.Name == "." || compressor.Binary.empty() == true) return true; -#if APT_USE_ZLIB - else if (compressor.Name == "gzip") + + if (d == NULL) { + d = new FileFdPrivate(); + d->openmode = Mode; + d->compressor = compressor; + } + +#ifdef HAVE_ZLIB + if (compressor.Name == "gzip") + { + if (d->gz != NULL) + { + gzclose(d->gz); + d->gz = NULL; + } if ((Mode & ReadWrite) == ReadWrite) d->gz = gzdopen(iFd, "r+"); else if ((Mode & WriteOnly) == WriteOnly) d->gz = gzdopen(iFd, "w"); else - d->gz = gzdopen (iFd, "r"); + d->gz = gzdopen(iFd, "r"); if (d->gz == NULL) return false; Flags |= Compressed; return true; } #endif +#ifdef HAVE_BZ2 + if (compressor.Name == "bzip2") + { + if (d->bz2 != NULL) + { + BZ2_bzclose(d->bz2); + d->bz2 = NULL; + } + if ((Mode & ReadWrite) == ReadWrite) + d->bz2 = BZ2_bzdopen(iFd, "r+"); + else if ((Mode & WriteOnly) == WriteOnly) + d->bz2 = BZ2_bzdopen(iFd, "w"); + else + d->bz2 = BZ2_bzdopen(iFd, "r"); + if (d->bz2 == NULL) + return false; + Flags |= Compressed; + return true; + } +#endif + + // collect zombies here in case we reopen + if (d->compressor_pid > 0) + ExecWait(d->compressor_pid, "FileFdCompressor", true); if ((Mode & ReadWrite) == ReadWrite) + { + Flags |= Fail; return _error->Error("ReadWrite mode is not supported for file %s", FileName.c_str()); + } bool const Comp = (Mode & WriteOnly) == WriteOnly; - // Handle 'decompression' of empty files if (Comp == false) { + // Handle 'decompression' of empty files struct stat Buf; fstat(iFd, &Buf); if (Buf.st_size == 0 && S_ISFIFO(Buf.st_mode) == false) @@ -959,13 +1109,19 @@ bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::C // We don't need the file open - instead let the compressor open it // as he properly knows better how to efficiently read from 'his' file if (FileName.empty() == false) + { close(iFd); + iFd = -1; + } } // Create a data pipe int Pipe[2] = {-1,-1}; if (pipe(Pipe) != 0) + { + Flags |= Fail; return _error->Errno("pipe",_("Failed to create subprocess IPC")); + } for (int J = 0; J != 2; J++) SetCloseExec(Pipe[J],true); @@ -992,6 +1148,12 @@ bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::C dup2(d->compressed_fd,STDIN_FILENO); dup2(Pipe[1],STDOUT_FILENO); } + int const nullfd = open("/dev/null", O_WRONLY); + if (nullfd != -1) + { + dup2(nullfd,STDERR_FILENO); + close(nullfd); + } SetCloseExec(STDOUT_FILENO,false); SetCloseExec(STDIN_FILENO,false); @@ -1021,7 +1183,7 @@ bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::C close(Pipe[0]); else close(Pipe[1]); - if (Comp == true || FileName.empty() == true) + if ((Comp == true || FileName.empty() == true) && d->compressed_fd != -1) close(d->compressed_fd); return true; @@ -1034,6 +1196,12 @@ bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::C FileFd::~FileFd() { Close(); + if (d != NULL) + { + d->CloseDown(FileName); + delete d; + d = NULL; + } } /*}}}*/ // FileFd::Read - Read a bit of the file /*{{{*/ @@ -1049,22 +1217,48 @@ bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual) *((char *)To) = '\0'; do { -#if APT_USE_ZLIB - if (d->gz != NULL) - Res = gzread(d->gz,To,Size); +#ifdef HAVE_ZLIB + if (d != NULL && d->gz != NULL) + Res = gzread(d->gz,To,Size); + else +#endif +#ifdef HAVE_BZ2 + if (d != NULL && d->bz2 != NULL) + Res = BZ2_bzread(d->bz2,To,Size); else #endif Res = read(iFd,To,Size); - if (Res < 0 && errno == EINTR) - continue; + if (Res < 0) { + if (errno == EINTR) + continue; Flags |= Fail; +#ifdef HAVE_ZLIB + if (d != NULL && d->gz != NULL) + { + int err; + char const * const errmsg = gzerror(d->gz, &err); + if (err != Z_ERRNO) + return _error->Error("gzread: %s (%d: %s)", _("Read error"), err, errmsg); + } +#endif +#ifdef HAVE_BZ2 + if (d != NULL && d->bz2 != NULL) + { + int err; + char const * const errmsg = BZ2_bzerror(d->bz2, &err); + if (err != BZ_IO_ERROR) + return _error->Error("BZ2_bzread: %s (%d: %s)", _("Read error"), err, errmsg); + } +#endif return _error->Errno("read",_("Read error")); } To = (char *)To + Res; Size -= Res; + if (d != NULL) + d->seekpos += Res; if (Actual != 0) *Actual += Res; } @@ -1091,21 +1285,25 @@ bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual) char* FileFd::ReadLine(char *To, unsigned long long const Size) { *To = '\0'; -#if APT_USE_ZLIB - if (d->gz != NULL) +#ifdef HAVE_ZLIB + if (d != NULL && d->gz != NULL) return gzgets(d->gz, To, Size); #endif unsigned long long read = 0; - if (Read(To, Size, &read) == false) + while ((Size - 1) != read) + { + unsigned long long done = 0; + if (Read(To + read, 1, &done) == false) + return NULL; + if (done == 0) + break; + if (To[read++] == '\n') + break; + } + if (read == 0) return NULL; - char* c = To; - for (; *c != '\n' && *c != '\0' && read != 0; --read, ++c) - ; // find the end of the line - if (*c != '\0') - *c = '\0'; - if (read != 0) - Seek(Tell() - read); + To[read] = '\0'; return To; } /*}}}*/ @@ -1118,10 +1316,15 @@ bool FileFd::Write(const void *From,unsigned long long Size) errno = 0; do { -#if APT_USE_ZLIB - if (d->gz != NULL) +#ifdef HAVE_ZLIB + if (d != NULL && d->gz != NULL) Res = gzwrite(d->gz,From,Size); else +#endif +#ifdef HAVE_BZ2 + if (d != NULL && d->bz2 != NULL) + Res = BZ2_bzwrite(d->bz2,(void*)From,Size); + else #endif Res = write(iFd,From,Size); if (Res < 0 && errno == EINTR) @@ -1129,11 +1332,31 @@ bool FileFd::Write(const void *From,unsigned long long Size) if (Res < 0) { Flags |= Fail; +#ifdef HAVE_ZLIB + if (d != NULL && d->gz != NULL) + { + int err; + char const * const errmsg = gzerror(d->gz, &err); + if (err != Z_ERRNO) + return _error->Error("gzwrite: %s (%d: %s)", _("Write error"), err, errmsg); + } +#endif +#ifdef HAVE_BZ2 + if (d != NULL && d->bz2 != NULL) + { + int err; + char const * const errmsg = BZ2_bzerror(d->bz2, &err); + if (err != BZ_IO_ERROR) + return _error->Error("BZ2_bzwrite: %s (%d: %s)", _("Write error"), err, errmsg); + } +#endif return _error->Errno("write",_("Write error")); } From = (char *)From + Res; Size -= Res; + if (d != NULL) + d->seekpos += Res; } while (Res > 0 && Size > 0); @@ -1142,6 +1365,28 @@ bool FileFd::Write(const void *From,unsigned long long Size) Flags |= Fail; return _error->Error(_("write, still have %llu to write but couldn't"), Size); +} +bool FileFd::Write(int Fd, const void *From, unsigned long long Size) +{ + int Res; + errno = 0; + do + { + Res = write(Fd,From,Size); + if (Res < 0 && errno == EINTR) + continue; + if (Res < 0) + return _error->Errno("write",_("Write error")); + + From = (char *)From + Res; + Size -= Res; + } + while (Res > 0 && Size > 0); + + if (Size == 0) + return true; + + return _error->Error(_("write, still have %llu to write but couldn't"), Size); } /*}}}*/ // FileFd::Seek - Seek in the file /*{{{*/ @@ -1149,12 +1394,31 @@ bool FileFd::Write(const void *From,unsigned long long Size) /* */ bool FileFd::Seek(unsigned long long To) { - if (d->pipe == true) + if (d != NULL && (d->pipe == true +#ifdef HAVE_BZ2 + || d->bz2 != NULL +#endif + )) { + // Our poor man seeking in pipes is costly, so try to avoid it + unsigned long long seekpos = Tell(); + if (seekpos == To) + return true; + else if (seekpos < To) + return Skip(To - seekpos); + if ((d->openmode & ReadOnly) != ReadOnly) + { + Flags |= Fail; return _error->Error("Reopen is only implemented for read-only files!"); - close(iFd); - iFd = 0; + } +#ifdef HAVE_BZ2 + if (d->bz2 != NULL) + BZ2_bzclose(d->bz2); +#endif + if (iFd != -1) + close(iFd); + iFd = -1; if (TemporaryFileName.empty() == false) iFd = open(TemporaryFileName.c_str(), O_RDONLY); else if (FileName.empty() == false) @@ -1164,20 +1428,28 @@ bool FileFd::Seek(unsigned long long To) if (d->compressed_fd > 0) if (lseek(d->compressed_fd, 0, SEEK_SET) != 0) iFd = d->compressed_fd; - if (iFd <= 0) + if (iFd < 0) + { + Flags |= Fail; return _error->Error("Reopen is not implemented for pipes opened with FileFd::OpenDescriptor()!"); + } } if (OpenInternDescriptor(d->openmode, d->compressor) == false) + { + Flags |= Fail; return _error->Error("Seek on file %s because it couldn't be reopened", FileName.c_str()); + } if (To != 0) return Skip(To); + + d->seekpos = To; return true; } int res; -#if APT_USE_ZLIB - if (d->gz) +#ifdef HAVE_ZLIB + if (d != NULL && d->gz) res = gzseek(d->gz,To,SEEK_SET); else #endif @@ -1187,7 +1459,9 @@ bool FileFd::Seek(unsigned long long To) Flags |= Fail; return _error->Error("Unable to seek to %llu", To); } - + + if (d != NULL) + d->seekpos = To; return true; } /*}}}*/ @@ -1196,9 +1470,30 @@ bool FileFd::Seek(unsigned long long To) /* */ bool FileFd::Skip(unsigned long long Over) { + if (d != NULL && (d->pipe == true +#ifdef HAVE_BZ2 + || d->bz2 != NULL +#endif + )) + { + d->seekpos += Over; + char buffer[1024]; + while (Over != 0) + { + unsigned long long toread = std::min((unsigned long long) sizeof(buffer), Over); + if (Read(buffer, toread) == false) + { + Flags |= Fail; + return _error->Error("Unable to seek ahead %llu",Over); + } + Over -= toread; + } + return true; + } + int res; -#if APT_USE_ZLIB - if (d->gz != NULL) +#ifdef HAVE_ZLIB + if (d != NULL && d->gz != NULL) res = gzseek(d->gz,Over,SEEK_CUR); else #endif @@ -1208,7 +1503,9 @@ bool FileFd::Skip(unsigned long long Over) Flags |= Fail; return _error->Error("Unable to seek ahead %llu",Over); } - + if (d != NULL) + d->seekpos = res; + return true; } /*}}}*/ @@ -1217,11 +1514,13 @@ bool FileFd::Skip(unsigned long long Over) /* */ bool FileFd::Truncate(unsigned long long To) { - if (d->gz != NULL) +#if defined HAVE_ZLIB || defined HAVE_BZ2 + if (d != NULL && (d->gz != NULL || d->bz2 != NULL)) { Flags |= Fail; - return _error->Error("Truncating gzipped files is not implemented (%s)", FileName.c_str()); + return _error->Error("Truncating compressed files is not implemented (%s)", FileName.c_str()); } +#endif if (ftruncate(iFd,To) != 0) { Flags |= Fail; @@ -1236,15 +1535,31 @@ bool FileFd::Truncate(unsigned long long To) /* */ unsigned long long FileFd::Tell() { + // In theory, we could just return seekpos here always instead of + // seeking around, but not all users of FileFd use always Seek() and co + // so d->seekpos isn't always true and we can just use it as a hint if + // we have nothing else, but not always as an authority… + if (d != NULL && (d->pipe == true +#ifdef HAVE_BZ2 + || d->bz2 != NULL +#endif + )) + return d->seekpos; + off_t Res; -#if APT_USE_ZLIB - if (d->gz != NULL) +#ifdef HAVE_ZLIB + if (d != NULL && d->gz != NULL) Res = gztell(d->gz); else #endif Res = lseek(iFd,0,SEEK_CUR); if (Res == (off_t)-1) + { + Flags |= Fail; _error->Errno("lseek","Failed to determine the current file position"); + } + if (d != NULL) + d->seekpos = Res; return Res; } /*}}}*/ @@ -1254,17 +1569,24 @@ unsigned long long FileFd::Tell() unsigned long long FileFd::FileSize() { struct stat Buf; - if (d->pipe == false && fstat(iFd,&Buf) != 0) + if ((d == NULL || d->pipe == false) && fstat(iFd,&Buf) != 0) + { + Flags |= Fail; return _error->Errno("fstat","Unable to determine the file size"); + } // for compressor pipes st_size is undefined and at 'best' zero - if (d->pipe == true || S_ISFIFO(Buf.st_mode)) + if ((d != NULL && d->pipe == true) || S_ISFIFO(Buf.st_mode)) { // we set it here, too, as we get the info here for free // in theory the Open-methods should take care of it already - d->pipe = true; + if (d != NULL) + d->pipe = true; if (stat(FileName.c_str(), &Buf) != 0) + { + Flags |= Fail; return _error->Errno("stat","Unable to determine the file size"); + } } return Buf.st_size; @@ -1279,34 +1601,43 @@ unsigned long long FileFd::Size() // for compressor pipes st_size is undefined and at 'best' zero, // so we 'read' the content and 'seek' back - see there - if (d->pipe == true) + if (d != NULL && (d->pipe == true +#ifdef HAVE_BZ2 + || (d->bz2 && size > 0) +#endif + )) { - // FIXME: If we have read first and then FileSize() the report is wrong - size = 0; + unsigned long long const oldSeek = Tell(); char ignore[1000]; unsigned long long read = 0; do { Read(ignore, sizeof(ignore), &read); - size += read; } while(read != 0); - Seek(0); + size = Tell(); + Seek(oldSeek); } -#if APT_USE_ZLIB +#ifdef HAVE_ZLIB // only check gzsize if we are actually a gzip file, just checking for // "gz" is not sufficient as uncompressed files could be opened with // gzopen in "direct" mode as well - else if (d->gz && !gzdirect(d->gz) && size > 0) + else if (d != NULL && d->gz && !gzdirect(d->gz) && size > 0) { + off_t const oldPos = lseek(iFd,0,SEEK_CUR); /* unfortunately zlib.h doesn't provide a gzsize(), so we have to do * this ourselves; the original (uncompressed) file size is the last 32 * bits of the file */ // FIXME: Size for gz-files is limited by 32bit… no largefile support - off_t orig_pos = lseek(iFd, 0, SEEK_CUR); if (lseek(iFd, -4, SEEK_END) < 0) - return _error->Errno("lseek","Unable to seek to end of gzipped file"); + { + Flags |= Fail; + return _error->Errno("lseek","Unable to seek to end of gzipped file"); + } size = 0L; if (read(iFd, &size, 4) != 4) - return _error->Errno("read","Unable to read original size of gzipped file"); + { + Flags |= Fail; + return _error->Errno("read","Unable to read original size of gzipped file"); + } #ifdef WORDS_BIGENDIAN uint32_t tmp_size = size; @@ -1315,8 +1646,12 @@ unsigned long long FileFd::Size() size = tmp_size; #endif - if (lseek(iFd, orig_pos, SEEK_SET) < 0) - return _error->Errno("lseek","Unable to seek in gzipped file"); + if (lseek(iFd, oldPos, SEEK_SET) < 0) + { + Flags |= Fail; + return _error->Errno("lseek","Unable to seek in gzipped file"); + } + return size; } #endif @@ -1330,20 +1665,23 @@ unsigned long long FileFd::Size() time_t FileFd::ModificationTime() { struct stat Buf; - if (d->pipe == false && fstat(iFd,&Buf) != 0) + if ((d == NULL || d->pipe == false) && fstat(iFd,&Buf) != 0) { + Flags |= Fail; _error->Errno("fstat","Unable to determine the modification time of file %s", FileName.c_str()); return 0; } // for compressor pipes st_size is undefined and at 'best' zero - if (d->pipe == true || S_ISFIFO(Buf.st_mode)) + if ((d != NULL && d->pipe == true) || S_ISFIFO(Buf.st_mode)) { // we set it here, too, as we get the info here for free // in theory the Open-methods should take care of it already - d->pipe = true; + if (d != NULL) + d->pipe = true; if (stat(FileName.c_str(), &Buf) != 0) { + Flags |= Fail; _error->Errno("fstat","Unable to determine the modification time of file %s", FileName.c_str()); return 0; } @@ -1363,16 +1701,15 @@ bool FileFd::Close() bool Res = true; if ((Flags & AutoClose) == AutoClose) { -#if APT_USE_ZLIB - if (d != NULL && d->gz != NULL) { - int const e = gzclose(d->gz); - // gzdopen() on empty files always fails with "buffer error" here, ignore that - if (e != 0 && e != Z_BUF_ERROR) - Res &= _error->Errno("close",_("Problem closing the gzip file %s"), FileName.c_str()); - } else -#endif - if (iFd > 0 && close(iFd) != 0) - Res &= _error->Errno("close",_("Problem closing the file %s"), FileName.c_str()); + if ((Flags & Compressed) != Compressed && iFd > 0 && close(iFd) != 0) + Res &= _error->Errno("close",_("Problem closing the file %s"), FileName.c_str()); + + if (d != NULL) + { + Res &= d->CloseDown(FileName); + delete d; + d = NULL; + } } if ((Flags & Replace) == Replace && iFd >= 0) { @@ -1390,14 +1727,8 @@ bool FileFd::Close() if (unlink(FileName.c_str()) != 0) Res &= _error->WarningE("unlnk",_("Problem unlinking the file %s"), FileName.c_str()); - if (d != NULL) - { - if (d->compressor_pid > 0) - ExecWait(d->compressor_pid, "FileFdCompressor", true); - delete d; - d = NULL; - } - + if (Res == false) + Flags |= Fail; return Res; } /*}}}*/ @@ -1408,7 +1739,10 @@ bool FileFd::Sync() { #ifdef _POSIX_SYNCHRONIZED_IO if (fsync(iFd) != 0) + { + Flags |= Fail; return _error->Errno("sync",_("Problem syncing the file")); + } #endif return true; }