Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / include / circbuf.h

diff --git a/qemu/roms/u-boot/include/circbuf.h b/qemu/roms/u-boot/include/circbuf.h
new file mode 100644 (file)
index 0000000..34d0f85
--- /dev/null
+++ b/qemu/roms/u-boot/include/circbuf.h
@@ -0,0 +1,27 @@
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __CIRCBUF_H__
+#define __CIRCBUF_H__
+
+typedef struct circbuf {
+       unsigned int size;      /* current number of bytes held */
+       unsigned int totalsize; /* number of bytes allocated */
+
+       char *top;              /* pointer to current buffer start */
+       char *tail;             /* pointer to space for next element */
+
+       char *data;             /* all data */
+       char *end;              /* end of data buffer */
+} circbuf_t;
+
+int buf_init (circbuf_t * buf, unsigned int size);
+int buf_free (circbuf_t * buf);
+int buf_pop (circbuf_t * buf, char *dest, unsigned int len);
+int buf_push (circbuf_t * buf, const char *src, unsigned int len);
+
+#endif