All of the macros have a parameter called size, which is not part of the struct. Size is the allocated length of buf which must be a power of 2. 必须是2的指数 AI检测代码解析 #include <stdio.h> #define CIRC_SPACE_TO_END(head,tail,size) \ ({int end = (size) - 1 - (head); ...
Golang circular (ring) buffer. Contribute to armon/circbuf development by creating an account on GitHub.
Development version of the Upstream MultiPath TCP Linux kernel 🐧 - mptcp_net-next/include/linux/circ_buf.h at bc9d6635c293a2ac30c6319f7cfd08860ab7948a · multipath-tcp/mptcp_net-next
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Linux驱动开发杂记(0x14) - 环形缓冲区circ_buf 技术标签: linux/* * 在内核<linux/circ_buf.h>中定义了关于环形缓冲区的相关变量。 * 其中缓冲区的大小size必须定义成2的n次方,这样可以将取余运算转换成位与运算, * 提高计算机的处理速度。例如:x % size = x & (size - 1)。实际可用的空间为size-1...
/* 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 *sr...
/* 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 *sr...
/* 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 *sr...