SEC: Add LM3S backend for entropy pulling.

[bertos.git] / bertos / emul / kfile_posix.c

diff --git a/bertos/emul/kfile_posix.c b/bertos/emul/kfile_posix.c
index 593571d4bfb8494c45540f35684d69a6052fde6d..3bc657d689a4255ca84c7d77d4a9b2c351637ebd 100644 (file)
--- a/bertos/emul/kfile_posix.c
+++ b/bertos/emul/kfile_posix.c
@@ -32,11 +32,11 @@
  *
  * \brief KFile interface implementation in Posix systems.
  *
- * \version $Id$
  * \author Luca Ottaviano <lottaviano@develer.com>
  */
 
 #include <emul/kfile_posix.h>
+#include <string.h>
 
 static size_t kfile_posix_read(struct KFile *_fd, void *buf, size_t size)
 {
@@ -67,9 +67,13 @@ static kfile_off_t kfile_posix_seek(struct KFile *_fd, kfile_off_t offset, KSeek
                        break;
                default:
                        ASSERT(0);
+                       return EOF;
        }
+       int err = fseek(fd->fp, offset, std_whence);
+       if (err)
+               return err;
 
-       return fseek(fd->fp, offset, std_whence);
+       return ftell(fd->fp);
 }
 
 static int kfile_posix_close(struct KFile *_fd)
@@ -86,7 +90,8 @@ static int kfile_posix_flush(struct KFile *_fd)
 
 FILE *kfile_posix_init(KFilePosix *file, const char *filename, const char *mode)
 {
-       file->fd._type = KFT_KFILEPOSIX;
+       memset(file, 0, sizeof(*file));
+       DB(file->fd._type = KFT_KFILEPOSIX);
        file->fd.read = kfile_posix_read;
        file->fd.write = kfile_posix_write;
        file->fd.close = kfile_posix_close;