-#if defined(LINUX) || defined(CYGWIN)
+#if defined(LINUX) || defined(CYGWIN) || defined(GNU)
#include <sys/vfs.h>
#else
#if defined(SOMEBSD) || defined(DARWIN)
}
#ifdef MINGW
- LARGE_INTEGER li, new_pos;
+ LARGE_INTEGER li;
+ LARGE_INTEGER new_pos;
BOOL b;
static DWORD t[] = {[GNUNET_DISK_SEEK_SET] = FILE_BEGIN,
/**
- * Create an (empty) temporary file on disk. If the given name is not
- * an absolute path, the current 'TMPDIR' will be prepended. In any case,
- * 6 random characters will be appended to the name to create a unique
- * filename.
+ * Create the name for a temporary file or directory from a template.
*
- * @param t component to use for the name;
- * does NOT contain "XXXXXX" or "/tmp/".
- * @return NULL on error, otherwise name of fresh
- * file on disk in directory for temporary files
+ * @param t template (without XXXXX or "/tmp/")
+ * @return name ready for passing to 'mktemp' or 'mkdtemp', NULL on error
*/
-char *
-GNUNET_DISK_mktemp (const char *t)
+static char *
+mktemp_name (const char *t)
{
const char *tmpdir;
- int fd;
char *tmpl;
char *fn;
{
/* FIXME: This uses system codepage on W32, not UTF-8 */
tmpdir = getenv ("TMPDIR");
- tmpdir = tmpdir ? tmpdir : "/tmp";
+ if (NULL == tmpdir)
+ tmpdir = getenv ("TMP");
+ if (NULL == tmpdir)
+ tmpdir = getenv ("TEMP");
+ if (NULL == tmpdir)
+ tmpdir = "/tmp";
GNUNET_asprintf (&tmpl, "%s/%s%s", tmpdir, t, "XXXXXX");
}
else
#else
fn = tmpl;
#endif
- /* FIXME: why is this not MKSTEMP()? This function is implemented in plibc.
- * CG: really? If I put MKSTEMP here, I get a compilation error...
- * It will assume that fn is UTF-8-encoded, if compiled with UTF-8 support.
- */
- fd = mkstemp (fn);
- if (fd == -1)
+ return fn;
+}
+
+#if WINDOWS
+static char *
+mkdtemp (char *fn)
+{
+ char *random_fn;
+ char *tfn;
+ while (1)
+ {
+ tfn = GNUNET_strdup (fn);
+ random_fn = _mktemp (tfn);
+ if (NULL == random_fn)
+ {
+ GNUNET_free (tfn);
+ return NULL;
+ }
+ /* FIXME: assume fn to be UTF-8-encoded and do the right thing */
+ if (0 == CreateDirectoryA (tfn, NULL))
+ {
+ DWORD error = GetLastError ();
+ GNUNET_free (tfn);
+ if (ERROR_ALREADY_EXISTS == error)
+ continue;
+ return NULL;
+ }
+ break;
+ }
+ strcpy (fn, tfn);
+ return fn;
+}
+#endif
+
+/**
+ * Create an (empty) temporary directory on disk. If the given name is not
+ * an absolute path, the current 'TMPDIR' will be prepended. In any case,
+ * 6 random characters will be appended to the name to create a unique
+ * filename.
+ *
+ * @param t component to use for the name;
+ * does NOT contain "XXXXXX" or "/tmp/".
+ * @return NULL on error, otherwise name of fresh
+ * file on disk in directory for temporary files
+ */
+char *
+GNUNET_DISK_mkdtemp (const char *t)
+{
+ char *fn;
+
+ fn = mktemp_name (t);
+ if (fn != mkdtemp (fn))
+ {
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "mkstemp", fn);
+ GNUNET_free (fn);
+ return NULL;
+ }
+ return fn;
+}
+
+
+/**
+ * Create an (empty) temporary file on disk. If the given name is not
+ * an absolute path, the current 'TMPDIR' will be prepended. In any case,
+ * 6 random characters will be appended to the name to create a unique
+ * filename.
+ *
+ * @param t component to use for the name;
+ * does NOT contain "XXXXXX" or "/tmp/".
+ * @return NULL on error, otherwise name of fresh
+ * file on disk in directory for temporary files
+ */
+char *
+GNUNET_DISK_mktemp (const char *t)
+{
+ int fd;
+ char *fn;
+
+ fn = mktemp_name (t);
+ if (-1 == (fd = mkstemp (fn)))
{
LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "mkstemp", fn);
GNUNET_free (fn);
GNUNET_free (rdir);
return GNUNET_NO;
}
- if (ACCESS (rdir, R_OK) < 0)
+ if (ACCESS (rdir, F_OK) < 0)
{
LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "access", rdir);
GNUNET_free (rdir);
#ifdef MINGW
DWORD bytesRead;
- if (h->type != GNUNET_PIPE)
+ if (h->type != GNUNET_DISK_HANLDE_TYPE_PIPE)
{
if (!ReadFile (h->h, result, len, &bytesRead, NULL))
{
*/
ssize_t
GNUNET_DISK_file_read_non_blocking (const struct GNUNET_DISK_FileHandle * h,
- void *result, size_t len)
+ void *result,
+ size_t len)
{
if (h == NULL)
{
#ifdef MINGW
DWORD bytesRead;
- if (h->type != GNUNET_PIPE)
+ if (h->type != GNUNET_DISK_HANLDE_TYPE_PIPE)
{
if (!ReadFile (h->h, result, len, &bytesRead, NULL))
{
/* set to non-blocking, read, then set back */
flags = fcntl (h->fd, F_GETFL);
if (0 == (flags & O_NONBLOCK))
- fcntl (h->fd, F_SETFL, flags | O_NONBLOCK);
+ (void) fcntl (h->fd, F_SETFL, flags | O_NONBLOCK);
ret = read (h->fd, result, len);
if (0 == (flags & O_NONBLOCK))
- fcntl (h->fd, F_SETFL, flags);
+ {
+ int eno = errno;
+ (void) fcntl (h->fd, F_SETFL, flags);
+ errno = eno;
+ }
return ret;
#endif
}
#ifdef MINGW
DWORD bytesWritten;
- if (h->type != GNUNET_PIPE)
+ if (h->type != GNUNET_DISK_HANLDE_TYPE_PIPE)
{
if (!WriteFile (h->h, buffer, n, &bytesWritten, NULL))
{
/* set to blocking, write, then set back */
flags = fcntl (h->fd, F_GETFL);
if (0 != (flags & O_NONBLOCK))
- fcntl (h->fd, F_SETFL, flags - O_NONBLOCK);
+ (void) fcntl (h->fd, F_SETFL, flags - O_NONBLOCK);
ret = write (h->fd, buffer, n);
if (0 == (flags & O_NONBLOCK))
- fcntl (h->fd, F_SETFL, flags);
+ (void) fcntl (h->fd, F_SETFL, flags);
return ret;
#endif
}
* caution.
*
*
- * @param fileName the file to remove
+ * @param filename the file to remove
* @return GNUNET_OK on success, GNUNET_SYSERR on error
*/
int
-GNUNET_DISK_directory_remove (const char *fileName)
+GNUNET_DISK_directory_remove (const char *filename)
{
struct stat istat;
- if (0 != LSTAT (fileName, &istat))
+ if (0 != LSTAT (filename, &istat))
return GNUNET_NO; /* file may not exist... */
- CHMOD (fileName, S_IWUSR | S_IRUSR | S_IXUSR);
- if (UNLINK (fileName) == 0)
+ (void) CHMOD (filename, S_IWUSR | S_IRUSR | S_IXUSR);
+ if (UNLINK (filename) == 0)
return GNUNET_OK;
if ((errno != EISDIR) &&
/* EISDIR is not sufficient in all cases, e.g.
* sticky /tmp directory may result in EPERM on BSD.
* So we also explicitly check "isDirectory" */
- (GNUNET_YES != GNUNET_DISK_directory_test (fileName)))
+ (GNUNET_YES != GNUNET_DISK_directory_test (filename)))
{
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "rmdir", fileName);
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "rmdir", filename);
return GNUNET_SYSERR;
}
if (GNUNET_SYSERR ==
- GNUNET_DISK_directory_scan (fileName, &remove_helper, NULL))
+ GNUNET_DISK_directory_scan (filename, &remove_helper, NULL))
return GNUNET_SYSERR;
- if (0 != RMDIR (fileName))
+ if (0 != RMDIR (filename))
{
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "rmdir", fileName);
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "rmdir", filename);
return GNUNET_SYSERR;
}
return GNUNET_OK;
h = INVALID_HANDLE_VALUE;
if (h == INVALID_HANDLE_VALUE)
{
+ int err;
SetErrnoFromWinError (GetLastError ());
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "open", expfn);
+ err = errno;
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_INFO, "open", expfn);
GNUNET_free (expfn);
+ errno = err;
return NULL;
}
ret = GNUNET_malloc (sizeof (struct GNUNET_DISK_FileHandle));
#ifdef MINGW
ret->h = h;
- ret->type = GNUNET_DISK_FILE;
+ ret->type = GNUNET_DISK_HANLDE_TYPE_FILE;
#else
ret->fd = fd;
#endif
}
+/**
+ * Get a handle from a native FD.
+ *
+ * @param fd native file descriptor
+ * @return file handle corresponding to the descriptor
+ */
+struct GNUNET_DISK_FileHandle *
+GNUNET_DISK_get_handle_from_native (FILE *fd)
+{
+ struct GNUNET_DISK_FileHandle *fh;
+ int fno;
+#if MINGW
+ intptr_t osfh;
+#endif
+
+ fno = fileno (fd);
+ if (-1 == fno)
+ return NULL;
+
+#if MINGW
+ osfh = _get_osfhandle (fno);
+ if (INVALID_HANDLE_VALUE == (HANDLE) osfh)
+ return NULL;
+#endif
+
+ fh = GNUNET_malloc (sizeof (struct GNUNET_DISK_FileHandle));
+
+#if MINGW
+ fh->h = (HANDLE) osfh;
+ /* Assume it to be a pipe. TODO: use some kind of detection
+ * function to figure out handle type.
+ * Note that we can't make it overlapped if it isn't already.
+ * (ReOpenFile() is only available in 2003/Vista).
+ * The process that opened this file in the first place (usually a parent
+ * process, if this is stdin/stdout/stderr) must make it overlapped,
+ * otherwise we're screwed, as selecting on non-overlapped handle
+ * will block.
+ */
+ fh->type = GNUNET_DISK_HANLDE_TYPE_PIPE;
+ fh->oOverlapRead = GNUNET_malloc (sizeof (OVERLAPPED));
+ fh->oOverlapWrite = GNUNET_malloc (sizeof (OVERLAPPED));
+ fh->oOverlapRead->hEvent = CreateEvent (NULL, FALSE, FALSE, NULL);
+ fh->oOverlapWrite->hEvent = CreateEvent (NULL, FALSE, FALSE, NULL);
+#else
+ fh->fd = fno;
+#endif
+
+ return fh;
+}
+
+
/**
* Construct full path to a file inside of the private
* directory used by GNUnet. Also creates the corresponding
CloseHandle (p->fd[1]->h);
p->fd[1]->h = tmp_handle;
- p->fd[0]->type = GNUNET_PIPE;
- p->fd[1]->type = GNUNET_PIPE;
+ p->fd[0]->type = GNUNET_DISK_HANLDE_TYPE_PIPE;
+ p->fd[1]->type = GNUNET_DISK_HANLDE_TYPE_PIPE;
p->fd[0]->oOverlapRead = GNUNET_malloc (sizeof (OVERLAPPED));
p->fd[0]->oOverlapWrite = GNUNET_malloc (sizeof (OVERLAPPED));
}
#else
if (fd[0] >= 0)
- p->fd[0]->h = _get_osfhandle (fd[0]);
+ p->fd[0]->h = (HANDLE) _get_osfhandle (fd[0]);
else
p->fd[0]->h = INVALID_HANDLE_VALUE;
if (fd[1] >= 0)
- p->fd[1]->h = _get_osfhandle (fd[1]);
+ p->fd[1]->h = (HANDLE) _get_osfhandle (fd[1]);
else
p->fd[1]->h = INVALID_HANDLE_VALUE;
if (p->fd[0]->h != INVALID_HANDLE_VALUE)
{
- p->fd[0]->type = GNUNET_PIPE;
+ p->fd[0]->type = GNUNET_DISK_HANLDE_TYPE_PIPE;
p->fd[0]->oOverlapRead = GNUNET_malloc (sizeof (OVERLAPPED));
p->fd[0]->oOverlapWrite = GNUNET_malloc (sizeof (OVERLAPPED));
p->fd[0]->oOverlapRead->hEvent = CreateEvent (NULL, FALSE, FALSE, NULL);
if (p->fd[1]->h != INVALID_HANDLE_VALUE)
{
- p->fd[1]->type = GNUNET_PIPE;
+ p->fd[1]->type = GNUNET_DISK_HANLDE_TYPE_PIPE;
p->fd[1]->oOverlapRead = GNUNET_malloc (sizeof (OVERLAPPED));
p->fd[1]->oOverlapWrite = GNUNET_malloc (sizeof (OVERLAPPED));
p->fd[1]->oOverlapRead->hEvent = CreateEvent (NULL, FALSE, FALSE, NULL);