* Directory Runtime Support
*/
-#include "config.h"
+/* needed only for solaris2_HOST_OS */
+#include "ghcconfig.h"
// The following is required on Solaris to force the POSIX versions of
// the various _r functions instead of the Solaris versions.
-#ifdef solaris2_TARGET_OS
+#ifdef solaris2_HOST_OS
#define _POSIX_PTHREAD_SEMANTICS
#endif
#include "HsBase.h"
-#if defined(mingw32_TARGET_OS) || defined(__MINGW32__) || defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__) || defined(_WIN32)
#include <windows.h>
-
-static
-int
-toErrno(DWORD rc)
-{
- switch (rc) {
- case ERROR_FILE_NOT_FOUND: return ENOENT;
- case ERROR_PATH_NOT_FOUND: return ENOENT;
- case ERROR_TOO_MANY_OPEN_FILES: return EMFILE;
- case ERROR_ACCESS_DENIED: return EACCES;
- case ERROR_INVALID_HANDLE: return EBADF; /* kinda sorta */
- case ERROR_NOT_ENOUGH_MEMORY: return ENOMEM;
- case ERROR_INVALID_ACCESS: return EINVAL;
- case ERROR_INVALID_DATA: return EINVAL;
- case ERROR_OUTOFMEMORY: return ENOMEM;
- case ERROR_SHARING_VIOLATION: return EACCES;
- case ERROR_LOCK_VIOLATION: return EACCES;
- case ERROR_ALREADY_EXISTS: return EEXIST;
- case ERROR_BUSY: return EBUSY;
- case ERROR_BROKEN_PIPE: return EPIPE;
- case ERROR_PIPE_CONNECTED: return EBUSY;
- case ERROR_PIPE_LISTENING: return EBUSY;
- case ERROR_NOT_CONNECTED: return EINVAL;
-
- case ERROR_NOT_OWNER: return EPERM;
- case ERROR_DIRECTORY: return ENOTDIR;
- case ERROR_FILE_INVALID: return EACCES;
- case ERROR_FILE_EXISTS: return EEXIST;
-
- default:
- return rc;
- }
-}
#endif
* read an entry from the directory stream; opt for the
* re-entrant friendly way of doing this, if available.
*/
-HsInt
-__hscore_readdir( HsAddr dirPtr, HsAddr pDirEnt )
+int
+__hscore_readdir( DIR *dirPtr, struct dirent **pDirEnt )
{
- struct dirent **pDirE = (struct dirent**)pDirEnt;
#if HAVE_READDIR_R
struct dirent* p;
int res;
- static unsigned int nm_max = -1;
+ static unsigned int nm_max = (unsigned int)-1;
- if (pDirE == NULL) {
+ if (pDirEnt == NULL) {
return -1;
}
if (nm_max == (unsigned int)-1) {
}
p = (struct dirent*)malloc(sizeof(struct dirent) + nm_max);
if (p == NULL) return -1;
- res = readdir_r((DIR*)dirPtr, p, pDirE);
+ res = readdir_r(dirPtr, p, pDirEnt);
if (res != 0) {
- *pDirE = NULL;
+ *pDirEnt = NULL;
free(p);
}
- else if (*pDirE == NULL) {
+ else if (*pDirEnt == NULL) {
// end of stream
free(p);
}
return res;
#else
- if (pDirE == NULL) {
+ if (pDirEnt == NULL) {
return -1;
}
- *pDirE = readdir((DIR*)dirPtr);
- if (*pDirE == NULL) {
+ *pDirEnt = readdir(dirPtr);
+ if (*pDirEnt == NULL) {
return -1;
} else {
return 0;
}
#endif
}
-
-/*
- * Function: __hscore_renameFile()
- *
- * Provide Haskell98's semantics for renaming files and directories.
- * It mirrors that of POSIX.1's behaviour for rename() by overwriting
- * the target if it exists (the MS CRT implementation of rename() returns
- * an error
- *
- */
-HsInt
-__hscore_renameFile( HsAddr src,
- HsAddr dest)
-{
-#if (defined(_MSC_VER) || defined(_WIN32))
- static int forNT = -1;
-
- /* ToDo: propagate error codes back */
- if (MoveFileA(src, dest)) {
- return 0;
- } else {
- ;
- }
-
- /* Failed...it could be because the target already existed. */
- if ( !GetFileAttributes(dest) ) {
- /* No, it's not there - just fail. */
- errno = toErrno(GetLastError());
- return (-1);
- }
-
- if (forNT == -1) {
- OSVERSIONINFO ovi;
- ovi.dwOSVersionInfoSize = sizeof(ovi);
- if ( !GetVersionEx(&ovi) ) {
- errno = toErrno(GetLastError());
- return (-1);
- }
- forNT = ((ovi.dwPlatformId & VER_PLATFORM_WIN32_NT) != 0);
- }
-
- if (forNT) {
- /* Easy, go for MoveFileEx() */
- if ( MoveFileExA(src, dest, MOVEFILE_REPLACE_EXISTING) ) {
- return 0;
- } else {
- errno = toErrno(GetLastError());
- return (-1);
- }
- }
-
- /* No MoveFileEx() for Win9x, try deleting the target. */
- /* Similarly, if the MoveFile*() ops didn't work out under NT */
- if (DeleteFileA(dest)) {
- if (MoveFileA(src,dest)) {
- return 0;
- } else {
- errno = toErrno(GetLastError());
- return (-1);
- }
- } else {
- errno = toErrno(GetLastError());
- return (-1);
- }
-#else
- return rename(src,dest);
-#endif
-}
-