diff options
author | Michael Vogt <michael.vogt@ubuntu.com> | 2012-01-16 22:17:23 +0100 |
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committer | Michael Vogt <michael.vogt@ubuntu.com> | 2012-01-16 22:17:23 +0100 |
commit | e70c1d067335bfa686fa0c6e75e32afb095e1aaa (patch) | |
tree | e985e74ed4d613126b24839d710e4b49db753824 /methods/rred.cc | |
parent | e75aa33384d52635fba502bed628bc68f9cb5066 (diff) | |
parent | 85e1885525977809ff6a3b70abb84d3a63e41817 (diff) |
merged from debian-experimental2
Diffstat (limited to 'methods/rred.cc')
-rw-r--r-- | methods/rred.cc | 91 |
1 files changed, 27 insertions, 64 deletions
diff --git a/methods/rred.cc b/methods/rred.cc index ef00fcaa3..e37a12ed9 100644 --- a/methods/rred.cc +++ b/methods/rred.cc @@ -37,13 +37,10 @@ class RredMethod : public pkgAcqMethod { // return values enum State {ED_OK, ED_ORDERING, ED_PARSER, ED_FAILURE, MMAP_FAILED}; - State applyFile(gzFile &ed_cmds, FILE *in_file, FILE *out_file, + State applyFile(FileFd &ed_cmds, FileFd &in_file, FileFd &out_file, unsigned long &line, char *buffer, Hashes *hash) const; - void ignoreLineInFile(FILE *fin, char *buffer) const; - void ignoreLineInFile(gzFile &fin, char *buffer) const; - void copyLinesFromFileToFile(FILE *fin, FILE *fout, unsigned int lines, - Hashes *hash, char *buffer) const; - void copyLinesFromFileToFile(gzFile &fin, FILE *fout, unsigned int lines, + void ignoreLineInFile(FileFd &fin, char *buffer) const; + void copyLinesFromFileToFile(FileFd &fin, FileFd &fout, unsigned int lines, Hashes *hash, char *buffer) const; State patchFile(FileFd &Patch, FileFd &From, FileFd &out_file, Hashes *hash) const; @@ -72,10 +69,10 @@ public: * \param hash the created file for correctness * \return the success State of the ed command executor */ -RredMethod::State RredMethod::applyFile(gzFile &ed_cmds, FILE *in_file, FILE *out_file, +RredMethod::State RredMethod::applyFile(FileFd &ed_cmds, FileFd &in_file, FileFd &out_file, unsigned long &line, char *buffer, Hashes *hash) const { // get the current command and parse it - if (gzgets(ed_cmds, buffer, BUF_SIZE) == NULL) { + if (ed_cmds.ReadLine(buffer, BUF_SIZE) == NULL) { if (Debug == true) std::clog << "rred: encounter end of file - we can start patching now." << std::endl; line = 0; @@ -130,7 +127,7 @@ RredMethod::State RredMethod::applyFile(gzFile &ed_cmds, FILE *in_file, FILE *ou unsigned char mode = *idx; // save the current position - unsigned const long pos = gztell(ed_cmds); + unsigned const long long pos = ed_cmds.Tell(); // if this is add or change then go to the next full stop unsigned int data_length = 0; @@ -164,7 +161,7 @@ RredMethod::State RredMethod::applyFile(gzFile &ed_cmds, FILE *in_file, FILE *ou // include data from ed script if (mode == MODE_CHANGED || mode == MODE_ADDED) { - gzseek(ed_cmds, pos, SEEK_SET); + ed_cmds.Seek(pos); copyLinesFromFileToFile(ed_cmds, out_file, data_length, hash, buffer); } @@ -178,44 +175,24 @@ RredMethod::State RredMethod::applyFile(gzFile &ed_cmds, FILE *in_file, FILE *ou return ED_OK; } /*}}}*/ -void RredMethod::copyLinesFromFileToFile(FILE *fin, FILE *fout, unsigned int lines,/*{{{*/ - Hashes *hash, char *buffer) const { - while (0 < lines--) { - do { - fgets(buffer, BUF_SIZE, fin); - size_t const written = fwrite(buffer, 1, strlen(buffer), fout); - hash->Add((unsigned char*)buffer, written); - } while (strlen(buffer) == (BUF_SIZE - 1) && - buffer[BUF_SIZE - 2] != '\n'); - } -} - /*}}}*/ -void RredMethod::copyLinesFromFileToFile(gzFile &fin, FILE *fout, unsigned int lines,/*{{{*/ +void RredMethod::copyLinesFromFileToFile(FileFd &fin, FileFd &fout, unsigned int lines,/*{{{*/ Hashes *hash, char *buffer) const { while (0 < lines--) { do { - gzgets(fin, buffer, BUF_SIZE); - size_t const written = fwrite(buffer, 1, strlen(buffer), fout); - hash->Add((unsigned char*)buffer, written); + fin.ReadLine(buffer, BUF_SIZE); + unsigned long long const towrite = strlen(buffer); + fout.Write(buffer, towrite); + hash->Add((unsigned char*)buffer, towrite); } while (strlen(buffer) == (BUF_SIZE - 1) && buffer[BUF_SIZE - 2] != '\n'); } } /*}}}*/ -void RredMethod::ignoreLineInFile(FILE *fin, char *buffer) const { /*{{{*/ - fgets(buffer, BUF_SIZE, fin); +void RredMethod::ignoreLineInFile(FileFd &fin, char *buffer) const { /*{{{*/ + fin.ReadLine(buffer, BUF_SIZE); while (strlen(buffer) == (BUF_SIZE - 1) && buffer[BUF_SIZE - 2] != '\n') { - fgets(buffer, BUF_SIZE, fin); - buffer[0] = ' '; - } -} - /*}}}*/ -void RredMethod::ignoreLineInFile(gzFile &fin, char *buffer) const { /*{{{*/ - gzgets(fin, buffer, BUF_SIZE); - while (strlen(buffer) == (BUF_SIZE - 1) && - buffer[BUF_SIZE - 2] != '\n') { - gzgets(fin, buffer, BUF_SIZE); + fin.ReadLine(buffer, BUF_SIZE); buffer[0] = ' '; } } @@ -223,21 +200,18 @@ void RredMethod::ignoreLineInFile(gzFile &fin, char *buffer) const { /*{{{*/ RredMethod::State RredMethod::patchFile(FileFd &Patch, FileFd &From, /*{{{*/ FileFd &out_file, Hashes *hash) const { char buffer[BUF_SIZE]; - FILE* fFrom = fdopen(From.Fd(), "r"); - gzFile fPatch = Patch.gzFd(); - FILE* fTo = fdopen(out_file.Fd(), "w"); /* we do a tail recursion to read the commands in the right order */ unsigned long line = -1; // assign highest possible value - State const result = applyFile(fPatch, fFrom, fTo, line, buffer, hash); + State const result = applyFile(Patch, From, out_file, line, buffer, hash); /* read the rest from infile */ if (result == ED_OK) { - while (fgets(buffer, BUF_SIZE, fFrom) != NULL) { - size_t const written = fwrite(buffer, 1, strlen(buffer), fTo); - hash->Add((unsigned char*)buffer, written); + while (From.ReadLine(buffer, BUF_SIZE) != NULL) { + unsigned long long const towrite = strlen(buffer); + out_file.Write(buffer, towrite); + hash->Add((unsigned char*)buffer, towrite); } - fflush(fTo); } return result; } @@ -258,23 +232,12 @@ struct EdCommand { RredMethod::State RredMethod::patchMMap(FileFd &Patch, FileFd &From, /*{{{*/ FileFd &out_file, Hashes *hash) const { #ifdef _POSIX_MAPPED_FILES - MMap ed_cmds(MMap::ReadOnly); - if (Patch.gzFd() != NULL) { - unsigned long long mapSize = Patch.Size(); - DynamicMMap* dyn = new DynamicMMap(0, mapSize, 0); - if (dyn->validData() == false) { - delete dyn; - return MMAP_FAILED; - } - dyn->AddSize(mapSize); - gzread(Patch.gzFd(), dyn->Data(), mapSize); - ed_cmds = *dyn; - } else - ed_cmds = MMap(Patch, MMap::ReadOnly); - + MMap ed_cmds(Patch, MMap::ReadOnly); MMap in_file(From, MMap::ReadOnly); - if (ed_cmds.Size() == 0 || in_file.Size() == 0) + unsigned long long const ed_size = ed_cmds.Size(); + unsigned long long const in_size = in_file.Size(); + if (ed_size == 0 || in_size == 0) return MMAP_FAILED; EdCommand* commands = 0; @@ -283,10 +246,10 @@ RredMethod::State RredMethod::patchMMap(FileFd &Patch, FileFd &From, /*{{{*/ const char* begin = (char*) ed_cmds.Data(); const char* end = begin; - const char* ed_end = (char*) ed_cmds.Data() + ed_cmds.Size(); + const char* ed_end = (char*) ed_cmds.Data() + ed_size; const char* input = (char*) in_file.Data(); - const char* input_end = (char*) in_file.Data() + in_file.Size(); + const char* input_end = (char*) in_file.Data() + in_size; size_t i; @@ -489,7 +452,7 @@ bool RredMethod::Fetch(FetchItem *Itm) /*{{{*/ // Open the source and destination files (the d'tor of FileFd will do // the cleanup/closing of the fds) FileFd From(Path,FileFd::ReadOnly); - FileFd Patch(Path+".ed",FileFd::ReadOnlyGzip); + FileFd Patch(Path+".ed",FileFd::ReadOnly, FileFd::Gzip); FileFd To(Itm->DestFile,FileFd::WriteAtomic); To.EraseOnFailure(); if (_error->PendingError() == true) |