X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fkfile.c;h=81cd9d0a422d941717250c0e84cdb3c71d166ce5;hb=72c5f5cde2bc9ffe5427d65bb8f798bf8c4a0cce;hp=6750aba3380a674e0c88fa2f16c142cc3a5b9416;hpb=2b1c24c738e96986e79867c3b188afa6c7e9a677;p=bertos.git

diff --git a/bertos/kern/kfile.c b/bertos/kern/kfile.c
index 6750aba3..81cd9d0a 100644
--- a/bertos/kern/kfile.c
+++ b/bertos/kern/kfile.c
@@ -42,7 +42,9 @@
 
 #include "cfg/cfg_kfile.h"
 #include <cfg/debug.h>
+#include <cfg/log.h>
 
+#include <drv/timer.h>
 #include <mware/formatwr.h>
 
 #include <string.h>
@@ -174,7 +176,7 @@ int kfile_gets_echo(struct KFile *fd, char *buf, int size, bool echo)
  */
 kfile_off_t kfile_genericSeek(struct KFile *fd, kfile_off_t offset, KSeekMode whence)
 {
-	uint32_t seek_pos;
+	kfile_off_t seek_pos;
 
 	switch (whence)
 	{
@@ -194,12 +196,11 @@ kfile_off_t kfile_genericSeek(struct KFile *fd, kfile_off_t offset, KSeekMode wh
 		break;
 	}
 
+	#if LOG_LEVEL >= LOG_LVL_INFO
 	/* Bound check */
 	if (seek_pos + offset > fd->size)
-	{
-		ASSERT(0);
-		return EOF;
-	}
+		LOG_INFO("seek outside EOF\n");
+	#endif
 
 	fd->seek_pos = seek_pos + offset;
 
@@ -218,4 +219,40 @@ struct KFile * kfile_genericReopen(struct KFile *fd)
 	return fd;
 }
 
+/**
+ * Close file \a fd.
+ * This is a generic implementation that only return 0.
+ */
+int kfile_genericClose(UNUSED_ARG(struct KFile *, fd))
+{
+	return 0;
+};
+
+
+/**
+ * Discard input to resynchronize with remote end.
+ *
+ * Discard incoming data until the kfile_getc stops receiving
+ * characters for at least \a delay milliseconds.
+ *
+ * \note If the timeout occur, we reset the error before to
+ * quit.
+ */
+void kfile_resync(KFile *fd, mtime_t delay)
+{
+	ticks_t start_time = timer_clock();
+	for(;;)
+	{
+		if(kfile_getc(fd) != EOF)
+			start_time = timer_clock();
+
+		if ((timer_clock() - start_time) > ms_to_ticks(delay))
+		{
+			kfile_clearerr(fd);
+			break;
+		}
+
+	}
+}
+