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-rw-r--r--os-win.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/os-win.c b/os-win.c
new file mode 100644
index 0000000..df32cdf
--- /dev/null
+++ b/os-win.c
@@ -0,0 +1,128 @@
+#include "filesystem.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <io.h>
+#include <sysinfoapi.h>
+
+static FsType windows_file_attributes_to_type(DWORD attrs) {
+ if (attrs == INVALID_FILE_ATTRIBUTES)
+ return FS_NON_EXISTENT;
+ else if (attrs & FILE_ATTRIBUTE_DIRECTORY)
+ return FS_DIRECTORY;
+ else
+ return FS_FILE;
+}
+
+FsType fs_path_type(char const *path) {
+ WCHAR wide_path[4100];
+ if (MultiByteToWideChar(CP_UTF8, 0, path, -1, wide_path, sizeof wide_path) == 0) {
+ return FS_NON_EXISTENT;
+ }
+ return windows_file_attributes_to_type(GetFileAttributesW(wide_path));
+}
+
+FsPermission fs_path_permission(char const *path) {
+ FsPermission permission = 0;
+ if (_access(path, 04) == 0) permission |= FS_PERMISSION_READ;
+ if (_access(path, 02) == 0) permission |= FS_PERMISSION_WRITE;
+ return permission;
+}
+
+bool fs_file_exists(char const *path) {
+ return fs_path_type(path) == FS_FILE;
+}
+
+FsDirectoryEntry **fs_list_directory(char const *dirname) {
+ char file_pattern[1000] = {0};
+ FsDirectoryEntry **files = NULL;
+ WIN32_FIND_DATAW find_data;
+ HANDLE fhandle;
+ assert(*dirname);
+ sprintf_s(file_pattern, sizeof file_pattern, "%s%s*", dirname,
+ dirname[strlen(dirname) - 1] == PATH_SEPARATOR ? "" : PATH_SEPARATOR_STR);
+ wchar_t wide_pattern[1024] = {0};
+ MultiByteToWideChar(CP_UTF8, 0, file_pattern, -1, wide_pattern, sizeof wide_pattern - 1);
+
+ fhandle = FindFirstFileW(wide_pattern, &find_data);
+ if (fhandle != INVALID_HANDLE_VALUE) {
+ // first, figure out number of files
+ int nfiles = 1, idx = 0;
+ while (FindNextFileW(fhandle, &find_data)) {
+ ++nfiles;
+ }
+ FindClose(fhandle);
+ // now, fill out files array
+ files = calloc(nfiles + 1, sizeof *files);
+ if (files) {
+ fhandle = FindFirstFileW(wide_pattern, &find_data);
+ if (fhandle != INVALID_HANDLE_VALUE) {
+ do {
+ if (idx < nfiles) {
+ LPWSTR wide_filename = find_data.cFileName;
+ size_t wide_len = wcslen(wide_filename);
+ size_t cap = 4 * wide_len + 4;
+ FsDirectoryEntry *entry = calloc(1, sizeof *entry + cap);
+
+
+ if (entry) {
+ if (WideCharToMultiByte(CP_UTF8, 0, wide_filename, (int)wide_len, entry->name, (int)cap - 1, NULL, NULL) == 0)
+ break;
+ DWORD attrs = find_data.dwFileAttributes;
+ entry->type = windows_file_attributes_to_type(attrs);
+ files[idx++] = entry;
+ } else break; // stop now
+ }
+ } while (FindNextFileW(fhandle, &find_data));
+ FindClose(fhandle);
+ }
+ }
+ }
+ return files;
+}
+
+int fs_mkdir(char const *path) {
+ WCHAR wide_path[4100];
+ if (MultiByteToWideChar(CP_UTF8, 0, path, -1, wide_path, sizeof wide_path) == 0)
+ return -1;
+
+ if (CreateDirectoryW(wide_path, NULL)) {
+ // directory created successfully
+ return 1;
+ } else {
+ if (GetLastError() == ERROR_ALREADY_EXISTS) // directory already exists
+ return 0;
+ else
+ return -1; // some other error
+ }
+}
+
+int fs_get_cwd(char *buf, size_t buflen) {
+ assert(buf && buflen);
+ wchar_t wide_path[4100];
+ DWORD wide_pathlen = GetCurrentDirectoryW(sizeof wide_path - 1, wide_path);
+ if (wide_pathlen == 0) return -1;
+ if (WideCharToMultiByte(CP_UTF8, 0, wide_path, (int)wide_pathlen, buf, (int)buflen, NULL, NULL) == 0)
+ return 0;
+ return 1;
+}
+
+struct timespec time_last_modified(char const *filename) {
+ // windows' _stat does not have st_mtim
+ struct _stat statbuf = {0};
+ struct timespec ts = {0};
+ _stat(filename, &statbuf);
+ ts.tv_sec = statbuf.st_mtime;
+ return ts;
+}
+
+
+struct timespec time_get(void) {
+ struct timespec ts = {0};
+ timespec_get(&ts, TIME_UTC);
+ return ts;
+}
+
+void time_sleep_ns(u64 ns) {
+ // windows....
+ Sleep((DWORD)(ns / 1000000));
+}