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author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
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committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
commit | 92988a21ad4c4c9504295ccb580c9f806134471b (patch) | |
tree | 5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/include/circbuf.h | |
parent | ca2b506783b676c95762c54ea24dcfdaae1947c9 (diff) | |
download | bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.gz bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.bz2 |
added boot script files to repository
Diffstat (limited to 'u-boot/include/circbuf.h')
-rw-r--r-- | u-boot/include/circbuf.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/u-boot/include/circbuf.h b/u-boot/include/circbuf.h new file mode 100644 index 0000000..e10ed95 --- /dev/null +++ b/u-boot/include/circbuf.h @@ -0,0 +1,40 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#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 |