diff options
Diffstat (limited to 'src/dpdk_lib18/librte_cmdline/cmdline_cirbuf.h')
| -rwxr-xr-x | src/dpdk_lib18/librte_cmdline/cmdline_cirbuf.h | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/src/dpdk_lib18/librte_cmdline/cmdline_cirbuf.h b/src/dpdk_lib18/librte_cmdline/cmdline_cirbuf.h deleted file mode 100755 index 6321dec5..00000000 --- a/src/dpdk_lib18/librte_cmdline/cmdline_cirbuf.h +++ /dev/null @@ -1,245 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> - * All rights reserved. - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the University of California, Berkeley nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _CIRBUF_H_ -#define _CIRBUF_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * This structure is the header of a cirbuf type. - */ -struct cirbuf { - unsigned int maxlen; /**< total len of the fifo (number of elements) */ - unsigned int start; /**< indice of the first elt */ - unsigned int end; /**< indice of the last elt */ - unsigned int len; /**< current len of fifo */ - char *buf; -}; - -#ifdef RTE_LIBRTE_CMDLINE_DEBUG -#define dprintf_(fmt, ...) printf("line %3.3d - " fmt "%.0s", __LINE__, __VA_ARGS__) -#define dprintf(...) dprintf_(__VA_ARGS__, "dummy") -#else -#define dprintf(...) (void)0 -#endif - - -/** - * Init the circular buffer - */ -int cirbuf_init(struct cirbuf *cbuf, char *buf, unsigned int start, unsigned int maxlen); - - -/** - * Return 1 if the circular buffer is full - */ -#define CIRBUF_IS_FULL(cirbuf) ((cirbuf)->maxlen == (cirbuf)->len) - -/** - * Return 1 if the circular buffer is empty - */ -#define CIRBUF_IS_EMPTY(cirbuf) ((cirbuf)->len == 0) - -/** - * return current size of the circular buffer (number of used elements) - */ -#define CIRBUF_GET_LEN(cirbuf) ((cirbuf)->len) - -/** - * return size of the circular buffer (used + free elements) - */ -#define CIRBUF_GET_MAXLEN(cirbuf) ((cirbuf)->maxlen) - -/** - * return the number of free elts - */ -#define CIRBUF_GET_FREELEN(cirbuf) ((cirbuf)->maxlen - (cirbuf)->len) - -/** - * Iterator for a circular buffer - * c: struct cirbuf pointer - * i: an integer type internally used in the macro - * e: char that takes the value for each iteration - */ -#define CIRBUF_FOREACH(c, i, e) \ - for ( i=0, e=(c)->buf[(c)->start] ; \ - i<((c)->len) ; \ - i ++, e=(c)->buf[((c)->start+i)%((c)->maxlen)]) - - -/** - * Add a character at head of the circular buffer. Return 0 on success, or - * a negative value on error. - */ -int cirbuf_add_head_safe(struct cirbuf *cbuf, char c); - -/** - * Add a character at head of the circular buffer. You _must_ check that you - * have enough free space in the buffer before calling this func. - */ -void cirbuf_add_head(struct cirbuf *cbuf, char c); - -/** - * Add a character at tail of the circular buffer. Return 0 on success, or - * a negative value on error. - */ -int cirbuf_add_tail_safe(struct cirbuf *cbuf, char c); - -/** - * Add a character at tail of the circular buffer. You _must_ check that you - * have enough free space in the buffer before calling this func. - */ -void cirbuf_add_tail(struct cirbuf *cbuf, char c); - -/** - * Remove a char at the head of the circular buffer. Return 0 on - * success, or a negative value on error. - */ -int cirbuf_del_head_safe(struct cirbuf *cbuf); - -/** - * Remove a char at the head of the circular buffer. You _must_ check - * that buffer is not empty before calling the function. - */ -void cirbuf_del_head(struct cirbuf *cbuf); - -/** - * Remove a char at the tail of the circular buffer. Return 0 on - * success, or a negative value on error. - */ -int cirbuf_del_tail_safe(struct cirbuf *cbuf); - -/** - * Remove a char at the tail of the circular buffer. You _must_ check - * that buffer is not empty before calling the function. - */ -void cirbuf_del_tail(struct cirbuf *cbuf); - -/** - * Return the head of the circular buffer. You _must_ check that - * buffer is not empty before calling the function. - */ -char cirbuf_get_head(struct cirbuf *cbuf); - -/** - * Return the tail of the circular buffer. You _must_ check that - * buffer is not empty before calling the function. - */ -char cirbuf_get_tail(struct cirbuf *cbuf); - -/** - * Add a buffer at head of the circular buffer. 'c' is a pointer to a - * buffer, and n is the number of char to add. Return the number of - * copied bytes on success, or a negative value on error. - */ -int cirbuf_add_buf_head(struct cirbuf *cbuf, const char *c, unsigned int n); - -/** - * Add a buffer at tail of the circular buffer. 'c' is a pointer to a - * buffer, and n is the number of char to add. Return the number of - * copied bytes on success, or a negative value on error. - */ -int cirbuf_add_buf_tail(struct cirbuf *cbuf, const char *c, unsigned int n); - -/** - * Remove chars at the head of the circular buffer. Return 0 on - * success, or a negative value on error. - */ -int cirbuf_del_buf_head(struct cirbuf *cbuf, unsigned int size); - -/** - * Remove chars at the tail of the circular buffer. Return 0 on - * success, or a negative value on error. - */ -int cirbuf_del_buf_tail(struct cirbuf *cbuf, unsigned int size); - -/** - * Copy a maximum of 'size' characters from the head of the circular - * buffer to a flat one pointed by 'c'. Return the number of copied - * chars. - */ -int cirbuf_get_buf_head(struct cirbuf *cbuf, char *c, unsigned int size); - -/** - * Copy a maximum of 'size' characters from the tail of the circular - * buffer to a flat one pointed by 'c'. Return the number of copied - * chars. - */ -int cirbuf_get_buf_tail(struct cirbuf *cbuf, char *c, unsigned int size); - - -/** - * Set the start of the data to the index 0 of the internal buffer. - */ -int cirbuf_align_left(struct cirbuf *cbuf); - -/** - * Set the end of the data to the last index of the internal buffer. - */ -int cirbuf_align_right(struct cirbuf *cbuf); - -#ifdef __cplusplus -} -#endif - -#endif /* _CIRBUF_H_ */ |