Store the size of strings in the cache

[apt.git] / methods / rred.cc

diff --git a/methods/rred.cc b/methods/rred.cc
index bb801cb4e8d842430303d7edb633c80bd37ae329..85ec30bd51cd7f727f847bc81f446dacbe340bfd 100644 (file)
--- a/methods/rred.cc
+++ b/methods/rred.cc
@@ -7,6 +7,7 @@
 
 #include <config.h>
 
+#include <apt-pkg/init.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/acquire-method.h>
@@ -530,6 +531,7 @@ class Patch {
         dump_mem(out, ch->add, ch->add_len, hash);
       }
       dump_rest(out, in, hash);
+      out.Flush();
    }
 };
 
@@ -642,7 +644,7 @@ class RredMethod : public aptMethod {
            std::cerr << "FAILED to open inp " << Path << std::endl;
            return _error->Error("Failed to open inp %s", Path.c_str());
         }
-        if (out.Open(Itm->DestFile, FileFd::WriteOnly | FileFd::Create, FileFd::Extension) == false)
+        if (out.Open(Itm->DestFile, FileFd::WriteOnly | FileFd::Create | FileFd::BufferedWrite, FileFd::Extension) == false)
         {
            std::cerr << "FAILED to open out " << Itm->DestFile << std::endl;
            return _error->Error("Failed to open out %s", Itm->DestFile.c_str());
@@ -661,7 +663,7 @@ class RredMethod : public aptMethod {
         struct stat bufbase, bufpatch;
         if (stat(Path.c_str(), &bufbase) != 0 ||
               stat(patch_name.c_str(), &bufpatch) != 0)
-           return _error->Errno("stat", _("Failed to stat"));
+           return _error->Errno("stat", _("Failed to stat %s"), Path.c_str());
 
         struct timeval times[2];
         times[0].tv_sec = bufbase.st_atime;
@@ -671,7 +673,7 @@ class RredMethod : public aptMethod {
            return _error->Errno("utimes",_("Failed to set modification time"));
 
         if (stat(Itm->DestFile.c_str(), &bufbase) != 0)
-           return _error->Errno("stat", _("Failed to stat"));
+           return _error->Errno("stat", _("Failed to stat %s"), Itm->DestFile.c_str());
 
         Res.LastModified = bufbase.st_mtime;
         Res.Size = bufbase.st_size;
@@ -682,13 +684,14 @@ class RredMethod : public aptMethod {
       }
 
    public:
-      RredMethod() : aptMethod("rred", "2.0",SingleInstance | SendConfig), Debug(false) {}
+      RredMethod() : aptMethod("rred", "2.0", SendConfig), Debug(false) {}
 };
 
 int main(int argc, char **argv)
 {
    int i;
    bool just_diff = true;
+   bool test = false;
    Patch patch;
 
    if (argc <= 1) {
@@ -696,7 +699,14 @@ int main(int argc, char **argv)
       return Mth.Run();
    }
 
-   if (argc > 1 && strcmp(argv[1], "-f") == 0) {
+   // Usage: rred -t input output diff ...
+   if (argc > 1 && strcmp(argv[1], "-t") == 0) {
+      // Read config files so we see compressors.
+      pkgInitConfig(*_config);
+      just_diff = false;
+      test = true;
+      i = 4;
+   } else if (argc > 1 && strcmp(argv[1], "-f") == 0) {
       just_diff = false;
       i = 2;
    } else {
@@ -716,15 +726,24 @@ int main(int argc, char **argv)
       }
    }
 
-   if (just_diff) {
+   if (test) {
+      FileFd out, inp;
+      std::cerr << "Patching " << argv[2] << " into " << argv[3] << "\n";
+      inp.Open(argv[2], FileFd::ReadOnly,FileFd::Extension);
+      out.Open(argv[3], FileFd::WriteOnly | FileFd::Create | FileFd::BufferedWrite, FileFd::Extension);
+      patch.apply_against_file(out, inp);
+      out.Close();
+   } else if (just_diff) {
       FileFd out;
       out.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly | FileFd::Create);
       patch.write_diff(out);
+      out.Close();
    } else {
       FileFd out, inp;
-      out.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly | FileFd::Create);
+      out.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly | FileFd::Create | FileFd::BufferedWrite);
       inp.OpenDescriptor(STDIN_FILENO, FileFd::ReadOnly);
       patch.apply_against_file(out, inp);
+      out.Close();
    }
    return 0;
 }