long sysconf(int name)
{
long val = -1;
+ long val2 = -1;
SYSTEM_INFO sysInfo;
MEMORYSTATUSEX status;
case _SC_NPROCESSORS_ONLN:
val = GetNumLogicalProcessors();
if (val == -1)
- log_err("_SC_NPROCESSORS_ONLN failed\n");
+ log_err("sysconf(_SC_NPROCESSORS_ONLN) failed\n");
break;
case _SC_PHYS_PAGES:
status.dwLength = sizeof(status);
- GlobalMemoryStatusEx(&status);
- val = status.ullTotalPhys;
+ val2 = sysconf(_SC_PAGESIZE);
+ if (GlobalMemoryStatusEx(&status) && val2 != -1)
+ val = status.ullTotalPhys / val2;
+ else
+ log_err("sysconf(_SC_PHYS_PAGES) failed\n");
break;
default:
log_err("sysconf(%d) is not implemented\n", name);
return name;
}
-int posix_fallocate(int fd, off_t offset, off_t len)
-{
- const int BUFFER_SIZE = 256 * 1024;
- int rc = 0;
- char *buf;
- unsigned int write_len;
- unsigned int bytes_written;
- off_t bytes_remaining = len;
-
- if (len == 0 || offset < 0)
- return EINVAL;
-
- buf = malloc(BUFFER_SIZE);
-
- if (buf == NULL)
- return ENOMEM;
-
- memset(buf, 0, BUFFER_SIZE);
-
- int64_t prev_pos = _telli64(fd);
-
- if (_lseeki64(fd, offset, SEEK_SET) == -1)
- return errno;
-
- while (bytes_remaining > 0) {
- if (bytes_remaining < BUFFER_SIZE)
- write_len = (unsigned int)bytes_remaining;
- else
- write_len = BUFFER_SIZE;
-
- bytes_written = _write(fd, buf, write_len);
- if (bytes_written == -1) {
- rc = errno;
- break;
- }
-
- /* Don't allow Windows to cache the write: flush it to disk */
- _commit(fd);
-
- bytes_remaining -= bytes_written;
- }
-
- free(buf);
- _lseeki64(fd, prev_pos, SEEK_SET);
- return rc;
-}
-
int ftruncate(int fildes, off_t length)
{
BOOL bSuccess;
DIR *opendir(const char *dirname)
{
- struct dirent_ctx *dc = NULL;
-
- /* See if we can open it. If not, we'll return an error here */
- HANDLE file = CreateFileA(dirname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
- if (file != INVALID_HANDLE_VALUE) {
- CloseHandle(file);
- dc = (struct dirent_ctx*)malloc(sizeof(struct dirent_ctx));
- StringCchCopyA(dc->dirname, MAX_PATH, dirname);
- dc->find_handle = INVALID_HANDLE_VALUE;
- } else {
- DWORD error = GetLastError();
- if (error == ERROR_FILE_NOT_FOUND)
- errno = ENOENT;
-
- else if (error == ERROR_PATH_NOT_FOUND)
- errno = ENOTDIR;
- else if (error == ERROR_TOO_MANY_OPEN_FILES)
- errno = ENFILE;
- else if (error == ERROR_ACCESS_DENIED)
- errno = EACCES;
- else
- errno = error;
- }
-
- return dc;
+ struct dirent_ctx *dc = NULL;
+
+ /* See if we can open it. If not, we'll return an error here */
+ HANDLE file = CreateFileA(dirname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
+ if (file != INVALID_HANDLE_VALUE) {
+ CloseHandle(file);
+ dc = (struct dirent_ctx*)malloc(sizeof(struct dirent_ctx));
+ StringCchCopyA(dc->dirname, MAX_PATH, dirname);
+ dc->find_handle = INVALID_HANDLE_VALUE;
+ } else {
+ DWORD error = GetLastError();
+ if (error == ERROR_FILE_NOT_FOUND)
+ errno = ENOENT;
+
+ else if (error == ERROR_PATH_NOT_FOUND)
+ errno = ENOTDIR;
+ else if (error == ERROR_TOO_MANY_OPEN_FILES)
+ errno = ENFILE;
+ else if (error == ERROR_ACCESS_DENIED)
+ errno = EACCES;
+ else
+ errno = error;
+ }
+
+ return dc;
}
int closedir(DIR *dirp)
{
- if (dirp != NULL && dirp->find_handle != INVALID_HANDLE_VALUE)
- FindClose(dirp->find_handle);
+ if (dirp != NULL && dirp->find_handle != INVALID_HANDLE_VALUE)
+ FindClose(dirp->find_handle);
- free(dirp);
- return 0;
+ free(dirp);
+ return 0;
}
struct dirent *readdir(DIR *dirp)