diff options
Diffstat (limited to 'qemu/roms/u-boot/include/circbuf.h')
-rw-r--r-- | qemu/roms/u-boot/include/circbuf.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/include/circbuf.h b/qemu/roms/u-boot/include/circbuf.h new file mode 100644 index 000000000..34d0f85f2 --- /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 |