Initial commit

win32/Stat.c

@@ -0,0 +1,149 @@
+#include "../CgeFs.h"
+#include <windows.h>
+#include <string.h>
+
+static int utf8ToWchar(const char *utf8, wchar_t *out, int size) {
+    int len;
+
+    if (!utf8 || !out || size <= 0)
+        return 0;
+
+    len = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, out, size);
+    if (len <= 0 || len > size) {
+        out[0] = L'\0';
+        return 0;
+    }
+
+    return 1;
+}
+
+static int mapWinError(DWORD err) {
+    switch (err) {
+    case ERROR_FILE_NOT_FOUND:
+    case ERROR_PATH_NOT_FOUND:
+        return CGE_FS_ENOENT;
+
+    case ERROR_ALREADY_EXISTS:
+        return CGE_FS_EEXIST;
+
+    case ERROR_ACCESS_DENIED:
+        return CGE_FS_EACCES;
+
+    case ERROR_DIRECTORY:
+        return CGE_FS_ENOTDIR;
+
+    case ERROR_TOO_MANY_OPEN_FILES:
+        return CGE_FS_EMFILE;
+
+    case ERROR_FILENAME_EXCED_RANGE:
+        return CGE_FS_ENAMETOOLONG;
+
+    default:
+        return CGE_FS_EUNKNOWN;
+    }
+}
+
+static uint64_t fileTimeToUint64(const FILETIME *ft) {
+    ULARGE_INTEGER u;
+    u.LowPart = ft->dwLowDateTime;
+    u.HighPart = ft->dwHighDateTime;
+    return u.QuadPart / 10000000ULL - 11644473600ULL;
+}
+
+int CgeFsStat(const char *path, CgeFsInfo *info, int *result) {
+    wchar_t wpath[MAX_PATH];
+    WIN32_FIND_DATAW fd;
+    HANDLE handle;
+    const char *p;
+    const char *base;
+
+    if (!utf8ToWchar(path, wpath, MAX_PATH)) {
+        if (result)
+            *result = CGE_FS_EUNKNOWN;
+        return 0;
+    }
+
+    handle = FindFirstFileW(wpath, &fd);
+    if (handle == INVALID_HANDLE_VALUE) {
+        if (result)
+            *result = mapWinError(GetLastError());
+        return 0;
+    }
+
+    base = NULL;
+    for (p = path; *p; p++)
+        if (*p == '/' || *p == '\\') base = p + 1;
+
+    if (!base)
+        base = path;
+
+    strncpy(info->name, base, CGE_FS_NAME_MAX - 1);
+    info->name[CGE_FS_NAME_MAX - 1] = '\0';
+    info->type = (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? CGE_FS_DIR : CGE_FS_FILE;
+    info->size = ((uint64_t)fd.nFileSizeHigh << 32) | fd.nFileSizeLow;
+    info->mtime = (uint64_t)(fileTimeToUint64(&fd.ftLastWriteTime));
+
+    FindClose(handle);
+    return 1;
+}
+
+int CgeFsDelete(const char *path, int *result) {
+    wchar_t wpath[MAX_PATH];
+
+    if (!utf8ToWchar(path, wpath, MAX_PATH)) {
+        if (result)
+            *result = CGE_FS_EUNKNOWN;
+        return 0;
+    }
+
+    if (DeleteFileW(wpath) == 0) {
+        if (result)
+            *result = mapWinError(GetLastError());
+        return 0;
+    }
+    return 1;
+}
+
+int CgeFsRename(const char *from, const char *to, int *result) {
+    wchar_t wfrom[MAX_PATH], wto[MAX_PATH];
+
+    if (!utf8ToWchar(from, wfrom, MAX_PATH)) {
+        if (result)
+            *result = CGE_FS_EUNKNOWN;
+        return 0;
+    }
+    if (!utf8ToWchar(to, wto, MAX_PATH)) {
+        if (result)
+            *result = CGE_FS_EUNKNOWN;
+        return 0;
+    }
+
+    if (MoveFileExW(wfrom, wto, MOVEFILE_REPLACE_EXISTING) == 0) {
+        if (result)
+            *result = mapWinError(GetLastError());
+        return 0;
+    }
+    return 1;
+}
+
+int CgeFsCopy(const char *from, const char *to, int *result) {
+    wchar_t wfrom[MAX_PATH], wto[MAX_PATH];
+
+    if (!utf8ToWchar(from, wfrom, MAX_PATH)) {
+        if (result)
+            *result = CGE_FS_EUNKNOWN;
+        return 0;
+    }
+    if (!utf8ToWchar(to, wto, MAX_PATH)) {
+        if (result)
+            *result = CGE_FS_EUNKNOWN;
+        return 0;
+    }
+
+    if (CopyFileW(wfrom, wto, FALSE) == 0) {
+        if (result)
+            *result = mapWinError(GetLastError());
+        return 0;
+    }
+    return 1;
+}