diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/contrib/fileutl.cc | 21 | ||||
| -rw-r--r-- | apt-pkg/deb/debindexfile.cc | 22 |
2 files changed, 33 insertions, 10 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index eabaadf90..bf07f6008 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -915,8 +915,27 @@ unsigned long FileFd::Tell() /* */ unsigned long FileFd::Size() { - //TODO: For gz, do we need the actual file size here or the uncompressed length? struct stat Buf; + long size; + off_t orig_pos; + + if (gz) + { + /* 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 */ + 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"); + if (read(iFd, &size, 4) != 4) + return _error->Errno("read","Unable to read original size of gzipped file"); + size &= 0xFFFFFFFF; + + if (lseek(iFd, orig_pos, SEEK_SET) < 0) + return _error->Errno("lseek","Unable to seek in gzipped file"); + return size; + } + if (fstat(iFd,&Buf) != 0) return _error->Errno("fstat","Unable to determine the file size"); return Buf.st_size; diff --git a/apt-pkg/deb/debindexfile.cc b/apt-pkg/deb/debindexfile.cc index ba5b3f266..a89a2574f 100644 --- a/apt-pkg/deb/debindexfile.cc +++ b/apt-pkg/deb/debindexfile.cc @@ -149,10 +149,11 @@ bool debSourcesIndex::Exists() const /* */ unsigned long debSourcesIndex::Size() const { - struct stat S; - if (stat(IndexFile("Sources").c_str(),&S) != 0) + FileFd f = FileFd (IndexFile("Sources"), FileFd::ReadOnlyGzip); + + if (f.Failed()) return 0; - return S.st_size; + return f.Size(); } /*}}}*/ @@ -268,10 +269,11 @@ bool debPackagesIndex::Exists() const /* This is really only used for progress reporting. */ unsigned long debPackagesIndex::Size() const { - struct stat S; - if (stat(IndexFile("Packages").c_str(),&S) != 0) + FileFd f = FileFd (IndexFile("Packages"), FileFd::ReadOnlyGzip); + + if (f.Failed()) return 0; - return S.st_size; + return f.Size(); } /*}}}*/ // PackagesIndex::Merge - Load the index file into a cache /*{{{*/ @@ -458,10 +460,12 @@ bool debTranslationsIndex::Exists() const /* This is really only used for progress reporting. */ unsigned long debTranslationsIndex::Size() const { - struct stat S; - if (stat(IndexFile(Language).c_str(),&S) != 0) + FileFd f = FileFd (IndexFile(Language), FileFd::ReadOnlyGzip); + + if (f.Failed()) return 0; - return S.st_size; + + return f.Size(); } /*}}}*/ // TranslationsIndex::Merge - Load the index file into a cache /*{{{*/ |