aversive_10-03-12/modules/base/cirbuf/cirbuf_add_head.c File Reference

#include <string.h>
#include <cirbuf.h>

Go to the source code of this file.

Functions
cirbuf_int	cirbuf_add_head_safe (struct cirbuf *cbuf, char c)
void	cirbuf_add_head (struct cirbuf *cbuf, char c)

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Function Documentation

void cirbuf_add_head	(	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.

Definition at line 52 of file cirbuf_add_head.c.

Referenced by rdline_char_in(), uart_send(), and uart_send_nowait().

cirbuf_int cirbuf_add_head_safe	(	struct cirbuf *	cbuf,
		char	c
	)

Add a character at head of the circular buffer. Return 0 on success, or a negative value on error.

Definition at line 42 of file cirbuf_add_head.c.

References CIRBUF_IS_FULL, and EINVAL.