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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/include/circbuf.h
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/u-boot/include/circbuf.h')
-rw-r--r--roms/u-boot/include/circbuf.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/roms/u-boot/include/circbuf.h b/roms/u-boot/include/circbuf.h
new file mode 100644
index 00000000..34d0f85f
--- /dev/null
+++ b/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