Add standalone pack tooling (PackList/PackMake/PackVerify)
Automates the .eix/.epk repacking step that was previously done via the EterNexus.exe GUI, using the real CEterPack class so output is guaranteed read-compatible with the game client. PackList inspects an existing pack's entries, PackMake rebuilds a pack from a source folder, PackVerify byte-compares a pack's contents against source to confirm round-trip correctness.
This commit is contained in:
Andreas Lierschaft
@@ -0,0 +1,53 @@
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// Read-only pack inspector: opens an existing .eix/.epk pair and prints every
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// entry's stored filename, so we can learn the exact relative-path naming
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// convention a given pack uses before writing anything back.
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//
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// Usage: PackList.exe <pathToPackFolder> <dbname>
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// e.g. PackList.exe "Y:\Metin2Dev\Exec_Client\pack" root
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#include <windows.h>
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#include <cstdio>
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#include <string>
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#include <vector>
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#include "../EterPack/EterPack.h"
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int main(int argc, char** argv)
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{
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if (argc < 3)
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{
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fprintf(stderr, "Usage: %s <packFolder> <dbname>\n", argv[0]);
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return 1;
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}
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const char* pathName = argv[1];
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const char* dbname = argv[2];
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if (!SetCurrentDirectoryA(pathName))
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{
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fprintf(stderr, "FAILED to chdir to '%s'\n", pathName);
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return 4;
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}
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CEterFileDict dict;
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CEterPack pack;
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if (!pack.Create(dict, dbname, "", true))
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{
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fprintf(stderr, "FAILED to open pack '%s' in '%s'\n", dbname, pathName);
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return 2;
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}
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std::vector<std::string> names;
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if (!pack.GetNames(&names))
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{
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fprintf(stderr, "FAILED GetNames\n");
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return 3;
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}
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printf("Entries: %zu\n", names.size());
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for (auto& n : names)
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printf("%s\n", n.c_str());
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return 0;
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}
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@@ -0,0 +1,105 @@
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// Write-mode pack builder: recursively packs every file under a source folder
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// into <dbname>.eix/<dbname>.epk in an output folder, using the same CEterPack
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// class the game client itself uses to read packs (so the result is guaranteed
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// compatible). Always rebuilds the pack from scratch (deletes any existing
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// <dbname>.eix/.epk in the output folder first) so removed source files don't
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// linger as stale entries.
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//
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// Usage: PackMake.exe <sourceFolder> <outputPackFolder> <dbname>
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// e.g. PackMake.exe "Y:\Metin2Dev\Exec_Client\Eternexus\root" "Y:\scratch\pack" root
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#include <windows.h>
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#include <cstdio>
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#include <string>
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#include <filesystem>
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#include "../EterPack/EterPack.h"
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#include "../EterBase/lzo.h"
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namespace fs = std::filesystem;
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int main(int argc, char** argv)
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{
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// CLZO is a CSingleton<T> that registers itself via ctor side effect (no
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// lazy init) - EncryptIndexFile() calls CLZO::Instance() internally, so an
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// instance must exist before that or Instance() dereferences a null pointer.
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CLZO lzoInstance;
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if (argc < 4)
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{
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fprintf(stderr, "Usage: %s <sourceFolder> <outputPackFolder> <dbname>\n", argv[0]);
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return 1;
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}
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const std::string sourceFolder = argv[1];
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const std::string outputFolder = argv[2];
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const char* dbname = argv[3];
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if (!fs::is_directory(sourceFolder))
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{
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fprintf(stderr, "Source folder does not exist: %s\n", sourceFolder.c_str());
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return 2;
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}
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if (!fs::is_directory(outputFolder))
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{
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fprintf(stderr, "Output pack folder does not exist: %s\n", outputFolder.c_str());
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return 2;
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}
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if (!SetCurrentDirectoryA(outputFolder.c_str()))
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{
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fprintf(stderr, "FAILED to chdir to '%s'\n", outputFolder.c_str());
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return 4;
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}
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std::string eixPath = std::string(dbname) + ".eix";
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std::string epkPath = std::string(dbname) + ".epk";
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if (fs::exists(eixPath) || fs::exists(epkPath))
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{
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printf("Removing existing %s / %s in output folder for a clean rebuild\n", eixPath.c_str(), epkPath.c_str());
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fs::remove(eixPath);
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fs::remove(epkPath);
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}
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CEterFileDict dict;
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CEterPack pack;
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if (!pack.Create(dict, dbname, "", /*bReadOnly=*/false))
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{
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fprintf(stderr, "FAILED to create pack '%s' in '%s'\n", dbname, outputFolder.c_str());
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return 3;
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}
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long fileCount = 0;
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long failCount = 0;
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for (auto it = fs::recursive_directory_iterator(sourceFolder); it != fs::recursive_directory_iterator(); ++it)
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{
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if (!it->is_regular_file())
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continue;
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std::string relPath = fs::relative(it->path(), sourceFolder).generic_string();
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std::string srcPath = it->path().string();
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if (!pack.Put(relPath.c_str(), srcPath.c_str(), COMPRESSED_TYPE_NONE, ""))
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{
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fprintf(stderr, "FAILED to put '%s' (source: %s)\n", relPath.c_str(), srcPath.c_str());
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++failCount;
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continue;
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}
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++fileCount;
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}
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if (!pack.EncryptIndexFile())
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{
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fprintf(stderr, "FAILED to encrypt index for pack '%s'\n", dbname);
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return 5;
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}
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printf("Packed %ld files (%ld failures) into %s / %s\n", fileCount, failCount, eixPath.c_str(), epkPath.c_str());
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return failCount > 0 ? 6 : 0;
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}
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@@ -0,0 +1,96 @@
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// Round-trip verification tool: opens a pack read-only, reads every entry via
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// the same CEterPack::Get() path the game engine uses, and byte-compares it
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// against the corresponding file under a source folder.
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//
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// Usage: PackVerify.exe <packFolder> <dbname> <sourceFolder>
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// e.g. PackVerify.exe "Y:\scratch\pack" root "Y:\Metin2Dev\Exec_Client\Eternexus\root"
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#include <windows.h>
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#include <cstdio>
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#include <string>
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#include <vector>
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#include <fstream>
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#include "../EterPack/EterPack.h"
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int main(int argc, char** argv)
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{
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if (argc < 4)
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{
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fprintf(stderr, "Usage: %s <packFolder> <dbname> <sourceFolder>\n", argv[0]);
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return 1;
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}
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const char* pathName = argv[1];
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const char* dbname = argv[2];
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std::string sourceFolder = argv[3];
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if (!SetCurrentDirectoryA(pathName))
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{
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fprintf(stderr, "FAILED to chdir to '%s'\n", pathName);
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return 4;
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}
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CEterFileDict dict;
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CEterPack pack;
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if (!pack.Create(dict, dbname, "", true))
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{
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fprintf(stderr, "FAILED to open pack '%s' in '%s'\n", dbname, pathName);
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return 2;
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}
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std::vector<std::string> names;
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if (!pack.GetNames(&names))
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{
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fprintf(stderr, "FAILED GetNames\n");
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return 3;
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}
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long okCount = 0, mismatchCount = 0, missingSrcCount = 0, getFailCount = 0;
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for (auto& name : names)
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{
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std::string srcPath = sourceFolder + "\\" + name;
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for (auto& c : srcPath) if (c == '/') c = '\\';
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std::ifstream srcFile(srcPath, std::ios::binary | std::ios::ate);
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if (!srcFile)
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{
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fprintf(stderr, "MISSING SOURCE: %s (expected at %s)\n", name.c_str(), srcPath.c_str());
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++missingSrcCount;
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continue;
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}
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std::streamsize srcSize = srcFile.tellg();
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srcFile.seekg(0);
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std::vector<char> srcData(srcSize);
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srcFile.read(srcData.data(), srcSize);
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CMappedFile mappedFile;
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LPCVOID packData = NULL;
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if (!pack.Get(mappedFile, name.c_str(), &packData))
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{
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fprintf(stderr, "Get() FAILED: %s\n", name.c_str());
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++getFailCount;
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continue;
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}
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DWORD packSize = mappedFile.Size();
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if ((std::streamsize)packSize != srcSize || memcmp(packData, srcData.data(), srcSize) != 0)
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{
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fprintf(stderr, "MISMATCH: %s (src %lld bytes, pack %lu bytes)\n", name.c_str(), (long long)srcSize, packSize);
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++mismatchCount;
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continue;
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}
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++okCount;
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}
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printf("Verified %ld entries: %ld OK, %ld mismatched, %ld missing-source, %ld get-failed\n",
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(long)names.size(), okCount, mismatchCount, missingSrcCount, getFailCount);
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return (mismatchCount > 0 || getFailCount > 0) ? 5 : 0;
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}
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