X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Femul%2Fkfile_posix.c;h=d196c6aa7eadb5b23fb4d0b42c5a0341eae416b7;hb=57fa5e371a8b40afc99b922731b77d17c55330a4;hp=1f09aaff7062dd461856aee0ecaa6a7e21ed70cf;hpb=8bbccfe43a27ce0f8d46b8262201c3e611bedf46;p=bertos.git

diff --git a/bertos/emul/kfile_posix.c b/bertos/emul/kfile_posix.c
index 1f09aaff..d196c6aa 100644
--- a/bertos/emul/kfile_posix.c
+++ b/bertos/emul/kfile_posix.c
@@ -32,7 +32,6 @@
  *
  * \brief KFile interface implementation in Posix systems.
  *
- * \version $Id$
  * \author Luca Ottaviano <lottaviano@develer.com>
  */
 
@@ -42,13 +41,18 @@
 static size_t kfile_posix_read(struct KFile *_fd, void *buf, size_t size)
 {
 	KFilePosix *fd = KFILEPOSIX_CAST(_fd);
-	return fread(buf, sizeof(uint8_t), size, fd->fp);
+	size_t len = fread(buf, sizeof(uint8_t), size, fd->fp);
+	fd->fd.seek_pos += len;
+	return len;
 }
 
 static size_t kfile_posix_write(struct KFile *_fd, const void *buf, size_t size)
 {
 	KFilePosix *fd = KFILEPOSIX_CAST(_fd);
-	return fwrite(buf, sizeof(uint8_t), size, fd->fp);
+	size_t len = fwrite(buf, sizeof(uint8_t), size, fd->fp);
+	fd->fd.seek_pos += len;
+	fd->fd.size = MAX(fd->fd.size, fd->fd.seek_pos);
+	return len;
 }
 
 static kfile_off_t kfile_posix_seek(struct KFile *_fd, kfile_off_t offset, KSeekMode whence)
@@ -74,7 +78,8 @@ static kfile_off_t kfile_posix_seek(struct KFile *_fd, kfile_off_t offset, KSeek
 	if (err)
 		return err;
 
-	return ftell(fd->fp);
+	fd->fd.seek_pos = ftell(fd->fp);
+	return fd->fd.seek_pos;
 }
 
 static int kfile_posix_close(struct KFile *_fd)
@@ -100,5 +105,8 @@ FILE *kfile_posix_init(KFilePosix *file, const char *filename, const char *mode)
 	file->fd.flush = kfile_posix_flush;
 
 	file->fp = fopen(filename, mode);
+	fseek(file->fp, 0, SEEK_END);
+	file->fd.size = ftell(file->fp);
+	fseek(file->fp, 0, SEEK_SET);
 	return file->fp;
 }