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