diff options
Diffstat (limited to 'src/win32/findfile.c')
| -rw-r--r-- | src/win32/findfile.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/src/win32/findfile.c b/src/win32/findfile.c deleted file mode 100644 index 40d2d518a..000000000 --- a/src/win32/findfile.c +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright (C) the libgit2 contributors. All rights reserved. - * - * This file is part of libgit2, distributed under the GNU GPL v2 with - * a Linking Exception. For full terms see the included COPYING file. - */ - -#include "findfile.h" - -#include "path_w32.h" -#include "utf-conv.h" -#include "path.h" - -#define REG_MSYSGIT_INSTALL_LOCAL L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1" - -#ifndef _WIN64 -#define REG_MSYSGIT_INSTALL REG_MSYSGIT_INSTALL_LOCAL -#else -#define REG_MSYSGIT_INSTALL L"SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1" -#endif - -typedef struct { - git_win32_path path; - DWORD len; -} _findfile_path; - -static int git_win32__expand_path(_findfile_path *dest, const wchar_t *src) -{ - dest->len = ExpandEnvironmentStringsW(src, dest->path, ARRAY_SIZE(dest->path)); - - if (!dest->len || dest->len > ARRAY_SIZE(dest->path)) - return -1; - - return 0; -} - -static int win32_path_to_8(git_buf *dest, const wchar_t *src) -{ - git_win32_utf8_path utf8_path; - - if (git_win32_path_to_utf8(utf8_path, src) < 0) { - git_error_set(GIT_ERROR_OS, "unable to convert path to UTF-8"); - return -1; - } - - /* Convert backslashes to forward slashes */ - git_path_mkposix(utf8_path); - - return git_buf_sets(dest, utf8_path); -} - -static wchar_t *win32_walkpath(wchar_t *path, wchar_t *buf, size_t buflen) -{ - wchar_t term, *base = path; - - GIT_ASSERT_ARG_WITH_RETVAL(path, NULL); - GIT_ASSERT_ARG_WITH_RETVAL(buf, NULL); - GIT_ASSERT_ARG_WITH_RETVAL(buflen, NULL); - - term = (*path == L'"') ? *path++ : L';'; - - for (buflen--; *path && *path != term && buflen; buflen--) - *buf++ = *path++; - - *buf = L'\0'; /* reserved a byte via initial subtract */ - - while (*path == term || *path == L';') - path++; - - return (path != base) ? path : NULL; -} - -static int win32_find_git_in_path(git_buf *buf, const wchar_t *gitexe, const wchar_t *subdir) -{ - wchar_t *env = _wgetenv(L"PATH"), lastch; - _findfile_path root; - size_t gitexe_len = wcslen(gitexe); - - if (!env) - return -1; - - while ((env = win32_walkpath(env, root.path, MAX_PATH-1)) && *root.path) { - root.len = (DWORD)wcslen(root.path); - lastch = root.path[root.len - 1]; - - /* ensure trailing slash (MAX_PATH-1 to walkpath guarantees space) */ - if (lastch != L'/' && lastch != L'\\') { - root.path[root.len++] = L'\\'; - root.path[root.len] = L'\0'; - } - - if (root.len + gitexe_len >= MAX_PATH) - continue; - wcscpy(&root.path[root.len], gitexe); - - if (_waccess(root.path, F_OK) == 0 && root.len > 5) { - /* replace "bin\\" or "cmd\\" with subdir */ - wcscpy(&root.path[root.len - 4], subdir); - - win32_path_to_8(buf, root.path); - return 0; - } - } - - return GIT_ENOTFOUND; -} - -static int win32_find_git_in_registry( - git_buf *buf, const HKEY hive, const wchar_t *key, const wchar_t *subdir) -{ - HKEY hKey; - int error = GIT_ENOTFOUND; - - GIT_ASSERT_ARG(buf); - - if (!RegOpenKeyExW(hive, key, 0, KEY_READ, &hKey)) { - DWORD dwType, cbData; - git_win32_path path; - - /* Ensure that the buffer is big enough to have the suffix attached - * after we receive the result. */ - cbData = (DWORD)(sizeof(path) - wcslen(subdir) * sizeof(wchar_t)); - - /* InstallLocation points to the root of the git directory */ - if (!RegQueryValueExW(hKey, L"InstallLocation", NULL, &dwType, (LPBYTE)path, &cbData) && - dwType == REG_SZ) { - - /* Append the suffix */ - wcscat(path, subdir); - - /* Convert to UTF-8, with forward slashes, and output the path - * to the provided buffer */ - if (!win32_path_to_8(buf, path)) - error = 0; - } - - RegCloseKey(hKey); - } - - return error; -} - -static int win32_find_existing_dirs( - git_buf *out, const wchar_t *tmpl[]) -{ - _findfile_path path16; - git_buf buf = GIT_BUF_INIT; - - git_buf_clear(out); - - for (; *tmpl != NULL; tmpl++) { - if (!git_win32__expand_path(&path16, *tmpl) && - path16.path[0] != L'%' && - !_waccess(path16.path, F_OK)) - { - win32_path_to_8(&buf, path16.path); - - if (buf.size) - git_buf_join(out, GIT_PATH_LIST_SEPARATOR, out->ptr, buf.ptr); - } - } - - git_buf_dispose(&buf); - - return (git_buf_oom(out) ? -1 : 0); -} - -int git_win32__find_system_dirs(git_buf *out, const wchar_t *subdir) -{ - git_buf buf = GIT_BUF_INIT; - - /* directories where git.exe & git.cmd are found */ - if (!win32_find_git_in_path(&buf, L"git.exe", subdir) && buf.size) - git_buf_set(out, buf.ptr, buf.size); - else - git_buf_clear(out); - - if (!win32_find_git_in_path(&buf, L"git.cmd", subdir) && buf.size) - git_buf_join(out, GIT_PATH_LIST_SEPARATOR, out->ptr, buf.ptr); - - /* directories where git is installed according to registry */ - if (!win32_find_git_in_registry( - &buf, HKEY_CURRENT_USER, REG_MSYSGIT_INSTALL_LOCAL, subdir) && buf.size) - git_buf_join(out, GIT_PATH_LIST_SEPARATOR, out->ptr, buf.ptr); - - if (!win32_find_git_in_registry( - &buf, HKEY_LOCAL_MACHINE, REG_MSYSGIT_INSTALL, subdir) && buf.size) - git_buf_join(out, GIT_PATH_LIST_SEPARATOR, out->ptr, buf.ptr); - - git_buf_dispose(&buf); - - return (git_buf_oom(out) ? -1 : 0); -} - -int git_win32__find_global_dirs(git_buf *out) -{ - static const wchar_t *global_tmpls[4] = { - L"%HOME%\\", - L"%HOMEDRIVE%%HOMEPATH%\\", - L"%USERPROFILE%\\", - NULL, - }; - - return win32_find_existing_dirs(out, global_tmpls); -} - -int git_win32__find_xdg_dirs(git_buf *out) -{ - static const wchar_t *global_tmpls[7] = { - L"%XDG_CONFIG_HOME%\\git", - L"%APPDATA%\\git", - L"%LOCALAPPDATA%\\git", - L"%HOME%\\.config\\git", - L"%HOMEDRIVE%%HOMEPATH%\\.config\\git", - L"%USERPROFILE%\\.config\\git", - NULL, - }; - - return win32_find_existing_dirs(out, global_tmpls); -} - -int git_win32__find_programdata_dirs(git_buf *out) -{ - static const wchar_t *programdata_tmpls[2] = { - L"%PROGRAMDATA%\\Git", - NULL, - }; - - return win32_find_existing_dirs(out, programdata_tmpls); -} |