diff options
Diffstat (limited to 'src/buffer.h')
| -rw-r--r-- | src/buffer.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/buffer.h b/src/buffer.h new file mode 100644 index 0000000..a1ee86c --- /dev/null +++ b/src/buffer.h @@ -0,0 +1,62 @@ +/* $Id: buffer.h,v 1.1.1.1 2000-02-16 17:32:22 sdyoung Exp $ + * + * See 'buffer.c' for a detailed description. + * + * Copyright (C) 1999 Robert James Kaes (rjkaes@flarenet.com) + * + * 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, 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. + */ + +#ifndef __BUFFER_H_ +#define __BUFFER_H_ 1 + +#define MAXBUFFSIZE 20480 + +struct bufline_s { + unsigned char *string; /* the actual string of data */ + struct bufline_s *next; /* pointer to next in linked list */ + unsigned int length; /* length of the string of data */ + unsigned int pos; /* start sending from this offset */ +}; + +struct buffer_s { + struct bufline_s *head; /* top of the buffer */ + struct bufline_s *tail; /* bottom of the buffer */ + unsigned long int size; /* total size of the buffer */ +}; + +#define buffer_head(x) (((struct buffer_s *)(x))->head) +#define buffer_tail(x) (((struct buffer_s *)(x))->tail) +#define buffer_size(x) (((struct buffer_s *)(x))->size) + +/* Create and delete buffers */ +extern struct buffer_s *new_buffer(void); +extern void delete_buffer(struct buffer_s *buffptr); + +/* Operate on the end of the list */ +extern struct bufline_s *push_buffer(struct buffer_s *buffptr, + unsigned char *data, unsigned int length); +extern struct bufline_s *pop_buffer(struct buffer_s *buffptr); + +/* Operate on the head of the list */ +extern struct bufline_s *unshift_buffer(struct buffer_s *buffptr, + unsigned char *data, + unsigned int length); +extern struct bufline_s *shift_buffer(struct buffer_s *buffptr); + +/* Free a buffer line */ +extern void free_line(struct bufline_s *line); + +/* Read/Write the buffer to a socket */ +extern int readbuff(int fd, struct buffer_s *buffptr); +extern int writebuff(int fd, struct buffer_s *buffptr); + +#endif /* __BUFFER_H_ */ |