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ollama/llama/patches/0016-use-std-filesystem-path-instead-of-wstring.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: jmorganca <jmorganca@gmail.com>
Date: Sun, 16 Feb 2025 20:00:22 -0500
Subject: [PATCH] use std::filesystem::path instead of wstring
---
ggml/src/ggml-backend-reg.cpp | 144 ++++++++++++++--------------------
1 file changed, 58 insertions(+), 86 deletions(-)
diff --git a/ggml/src/ggml-backend-reg.cpp b/ggml/src/ggml-backend-reg.cpp
index 1c19129a..c854e6bb 100644
--- a/ggml/src/ggml-backend-reg.cpp
+++ b/ggml/src/ggml-backend-reg.cpp
@@ -66,26 +66,6 @@
#include "ggml-kompute.h"
#endif
-// disable C++17 deprecation warning for std::codecvt_utf8
-#if defined(__clang__)
-# pragma clang diagnostic push
-# pragma clang diagnostic ignored "-Wdeprecated-declarations"
-#endif
-
-static std::wstring utf8_to_utf16(const std::string & str) {
- std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
- return converter.from_bytes(str);
-}
-
-static std::string utf16_to_utf8(const std::wstring & str) {
- std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
- return converter.to_bytes(str);
-}
-
-#if defined(__clang__)
-# pragma clang diagnostic pop
-#endif
-
#ifdef _WIN32
using dl_handle = std::remove_pointer_t<HMODULE>;
@@ -96,7 +76,7 @@ struct dl_handle_deleter {
}
};
-static dl_handle * dl_load_library(const std::wstring & path) {
+static dl_handle * dl_load_library(const std::filesystem::path & path) {
// suppress error dialogs for missing DLLs
DWORD old_mode = SetErrorMode(SEM_FAILCRITICALERRORS);
SetErrorMode(old_mode | SEM_FAILCRITICALERRORS);
@@ -129,8 +109,8 @@ struct dl_handle_deleter {
}
};
-static void * dl_load_library(const std::wstring & path) {
- dl_handle * handle = dlopen(utf16_to_utf8(path).c_str(), RTLD_NOW | RTLD_LOCAL);
+static void * dl_load_library(const std::filesystem::path & path) {
+ dl_handle * handle = dlopen(path.c_str(), RTLD_NOW | RTLD_LOCAL);
return handle;
}
@@ -141,6 +121,25 @@ static void * dl_get_sym(dl_handle * handle, const char * name) {
#endif
+static std::string path_to_string(const std::filesystem::path & path)
+{
+#ifdef _WIN32
+ const std::wstring wstr = path.wstring();
+ const int size_needed = WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), -1, nullptr, 0, nullptr, nullptr);
+ if (size_needed <= 0) {
+ return std::string();
+ }
+
+ // size_needed includes the null terminator
+ std::string str(size_needed - 1, '\0');
+ WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), -1, str.data(), size_needed, nullptr, nullptr);
+ return str;
+#else
+ return path.string();
+#endif
+}
+
+
using dl_handle_ptr = std::unique_ptr<dl_handle, dl_handle_deleter>;
struct ggml_backend_reg_entry {
@@ -222,11 +221,11 @@ struct ggml_backend_registry {
);
}
- ggml_backend_reg_t load_backend(const std::wstring & path, bool silent) {
+ ggml_backend_reg_t load_backend(const std::filesystem::path & path, bool silent) {
dl_handle_ptr handle { dl_load_library(path) };
if (!handle) {
if (!silent) {
- GGML_LOG_ERROR("%s: failed to load %s\n", __func__, utf16_to_utf8(path).c_str());
+ GGML_LOG_ERROR("%s: failed to load %s\n", __func__, path_to_string(path).c_str());
}
return nullptr;
}
@@ -234,7 +233,7 @@ struct ggml_backend_registry {
auto score_fn = (ggml_backend_score_t) dl_get_sym(handle.get(), "ggml_backend_score");
if (score_fn && score_fn() == 0) {
if (!silent) {
- GGML_LOG_INFO("%s: backend %s is not supported on this system\n", __func__, utf16_to_utf8(path).c_str());
+ GGML_LOG_INFO("%s: backend %s is not supported on this system\n", __func__, path_to_string(path).c_str());
}
return nullptr;
}
@@ -242,7 +241,7 @@ struct ggml_backend_registry {
auto backend_init_fn = (ggml_backend_init_t) dl_get_sym(handle.get(), "ggml_backend_init");
if (!backend_init_fn) {
if (!silent) {
- GGML_LOG_ERROR("%s: failed to find ggml_backend_init in %s\n", __func__, utf16_to_utf8(path).c_str());
+ GGML_LOG_ERROR("%s: failed to find ggml_backend_init in %s\n", __func__, path_to_string(path).c_str());
}
return nullptr;
}
@@ -251,16 +250,16 @@ struct ggml_backend_registry {
if (!reg || reg->api_version != GGML_BACKEND_API_VERSION) {
if (!silent) {
if (!reg) {
- GGML_LOG_ERROR("%s: failed to initialize backend from %s: ggml_backend_init returned NULL\n", __func__, utf16_to_utf8(path).c_str());
+ GGML_LOG_ERROR("%s: failed to initialize backend from %s: ggml_backend_init returned NULL\n", __func__, path_to_string(path).c_str());
} else {
GGML_LOG_ERROR("%s: failed to initialize backend from %s: incompatible API version (backend: %d, current: %d)\n",
- __func__, utf16_to_utf8(path).c_str(), reg->api_version, GGML_BACKEND_API_VERSION);
+ __func__, path_to_string(path).c_str(), reg->api_version, GGML_BACKEND_API_VERSION);
}
}
return nullptr;
}
- GGML_LOG_INFO("%s: loaded %s backend from %s\n", __func__, ggml_backend_reg_name(reg), utf16_to_utf8(path).c_str());
+ GGML_LOG_INFO("%s: loaded %s backend from %s\n", __func__, ggml_backend_reg_name(reg), path_to_string(path).c_str());
register_backend(reg, score_fn ? score_fn() : -1, std::move(handle));
@@ -396,14 +395,14 @@ ggml_backend_t ggml_backend_init_best(void) {
// Dynamic loading
ggml_backend_reg_t ggml_backend_load(const char * path) {
- return get_reg().load_backend(utf8_to_utf16(path), false);
+ return get_reg().load_backend(path, false);
}
void ggml_backend_unload(ggml_backend_reg_t reg) {
get_reg().unload_backend(reg, true);
}
-static std::wstring get_executable_path() {
+static std::filesystem::path get_executable_path() {
#if defined(__APPLE__)
// get executable path
std::vector<char> path;
@@ -415,15 +414,9 @@ static std::wstring get_executable_path() {
}
path.resize(size);
}
- std::string base_path(path.data(), size);
- // remove executable name
- auto last_slash = base_path.find_last_of('/');
- if (last_slash != std::string::npos) {
- base_path = base_path.substr(0, last_slash);
- }
- return utf8_to_utf16(base_path + "/");
+
+ return std::filesystem::path(path.data()).parent_path();
#elif defined(__linux__) || defined(__FreeBSD__)
- std::string base_path = ".";
std::vector<char> path(1024);
while (true) {
// get executable path
@@ -436,76 +429,55 @@ static std::wstring get_executable_path() {
break;
}
if (len < (ssize_t) path.size()) {
- base_path = std::string(path.data(), len);
- // remove executable name
- auto last_slash = base_path.find_last_of('/');
- if (last_slash != std::string::npos) {
- base_path = base_path.substr(0, last_slash);
- }
- break;
+ return std::filesystem::path(path.data()).parent_path();
}
path.resize(path.size() * 2);
}
-
- return utf8_to_utf16(base_path + "/");
#elif defined(_WIN32)
std::vector<wchar_t> path(MAX_PATH);
DWORD len = GetModuleFileNameW(NULL, path.data(), path.size());
if (len == 0) {
return {};
}
- std::wstring base_path(path.data(), len);
- // remove executable name
- auto last_slash = base_path.find_last_of('\\');
- if (last_slash != std::string::npos) {
- base_path = base_path.substr(0, last_slash);
- }
- return base_path + L"\\";
-#else
- return {};
-#endif
-}
-static std::wstring backend_filename_prefix() {
-#ifdef _WIN32
- return L"ggml-";
-#else
- return L"libggml-";
+ return std::filesystem::path(path.data()).parent_path();
#endif
+ return {};
}
-static std::wstring backend_filename_suffix() {
+static std::string backend_filename_prefix() {
#ifdef _WIN32
- return L".dll";
+ return "ggml-";
#else
- return L".so";
+ return "libggml-";
#endif
}
-static std::wstring path_separator() {
+static std::string backend_filename_suffix() {
#ifdef _WIN32
- return L"\\";
+ return ".dll";
#else
- return L"/";
+ return ".so";
#endif
}
static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent, const char * user_search_path) {
// enumerate all the files that match [lib]ggml-name-*.[so|dll] in the search paths
// TODO: search system paths
- std::wstring file_prefix = backend_filename_prefix() + utf8_to_utf16(name) + L"-";
- std::vector<std::wstring> search_paths;
+ namespace fs = std::filesystem;
+ std::string file_prefix = backend_filename_prefix() + name + "-";
+ std::vector<fs::path> search_paths;
+
if (user_search_path == nullptr) {
- search_paths.push_back(L"." + path_separator());
+ search_paths.push_back(fs::current_path());
search_paths.push_back(get_executable_path());
} else {
- search_paths.push_back(utf8_to_utf16(user_search_path) + path_separator());
+ search_paths.push_back(fs::u8path(user_search_path));
}
int best_score = 0;
- std::wstring best_path;
+ fs::path best_path;
- namespace fs = std::filesystem;
for (const auto & search_path : search_paths) {
if (!fs::exists(search_path)) {
continue;
@@ -514,31 +486,31 @@ static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent,
for (const auto & entry : dir_it) {
try {
if (entry.is_regular_file()) {
- std::wstring filename = entry.path().filename().wstring();
- std::wstring ext = entry.path().extension().wstring();
+ std::string filename = entry.path().filename().string();
+ std::string ext = entry.path().extension().string();
if (filename.find(file_prefix) == 0 && ext == backend_filename_suffix()) {
- dl_handle_ptr handle { dl_load_library(entry.path().wstring()) };
+ dl_handle_ptr handle { dl_load_library(entry.path()) };
if (!handle) {
- GGML_LOG_ERROR("%s: failed to load %s\n", __func__, utf16_to_utf8(entry.path().wstring()).c_str());
+ GGML_LOG_ERROR("%s: failed to load %s\n", __func__, path_to_string(entry.path()).c_str());
continue;
}
auto score_fn = (ggml_backend_score_t) dl_get_sym(handle.get(), "ggml_backend_score");
if (!score_fn) {
- GGML_LOG_DEBUG("%s: failed to find ggml_backend_score in %s\n", __func__, utf16_to_utf8(entry.path().wstring()).c_str());
+ GGML_LOG_DEBUG("%s: failed to find ggml_backend_score in %s\n", __func__, path_to_string(entry.path()).c_str());
continue;
}
int s = score_fn();
- GGML_LOG_DEBUG("%s: %s score: %d\n", __func__, utf16_to_utf8(entry.path().wstring()).c_str(), s);
+ GGML_LOG_DEBUG("%s: %s score: %d\n", __func__, path_to_string(entry.path()).c_str(), s);
if (s > best_score) {
best_score = s;
- best_path = entry.path().wstring();
+ best_path = entry.path();
}
}
}
} catch (const std::exception & e) {
- GGML_LOG_ERROR("%s: failed to load %s: %s\n", __func__, utf16_to_utf8(entry.path().wstring()).c_str(), e.what());
+ GGML_LOG_ERROR("%s: failed to load %s: %s\n", __func__, path_to_string(entry.path()).c_str(), e.what());
}
}
}
@@ -546,7 +518,7 @@ static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent,
if (best_score == 0) {
// try to load the base backend
for (const auto & search_path : search_paths) {
- std::wstring path = search_path + backend_filename_prefix() + utf8_to_utf16(name) + backend_filename_suffix();
+ fs::path path = fs::path(search_path) / (backend_filename_prefix() + name + backend_filename_suffix());
if (fs::exists(path)) {
return get_reg().load_backend(path, silent);
}
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