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59 lines
1.5 KiB
59 lines
1.5 KiB
9 years ago
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#ifndef BUFFER_H
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#define BUFFER_H
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#include <stdint.h>
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#include <sys/types.h>
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typedef struct buffer {
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char *x;
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unsigned int p;
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unsigned int n;
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int fd;
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ssize_t (*op)();
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} buffer;
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#define BUFFER_INIT(op,fd,buf,len) { (buf), 0, (len), (fd), (op) }
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#define BUFFER_INSIZE 8192
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#define BUFFER_OUTSIZE 8192
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extern void buffer_init(buffer *,ssize_t (*)(),int,char *,unsigned int);
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extern int buffer_flush(buffer *);
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extern int buffer_put(buffer *,char *,unsigned int);
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extern int buffer_putalign(buffer *,char *,unsigned int);
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extern int buffer_putflush(buffer *,char *,unsigned int);
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extern int buffer_puts(buffer *,char *);
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extern int buffer_putsalign(buffer *,char *);
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extern int buffer_putsflush(buffer *,char *);
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#define buffer_PUTC(s,c) \
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( ((s)->n != (s)->p) \
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? ( (s)->x[(s)->p++] = (c), 0 ) \
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: buffer_put((s),&(c),1) \
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)
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extern int buffer_get(buffer *,char *,unsigned int);
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extern int buffer_bget(buffer *,char *,unsigned int);
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extern int buffer_feed(buffer *);
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extern char *buffer_peek(buffer *);
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extern void buffer_seek(buffer *,unsigned int);
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#define buffer_PEEK(s) ( (s)->x + (s)->n )
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#define buffer_SEEK(s,len) ( ( (s)->p -= (len) ) , ( (s)->n += (len) ) )
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#define buffer_GETC(s,c) \
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( ((s)->p > 0) \
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? ( *(c) = (s)->x[(s)->n], buffer_SEEK((s),1), 1 ) \
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: buffer_get((s),(c),1) \
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)
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extern int buffer_copy(buffer *,buffer *);
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extern buffer *buffer_0;
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extern buffer *buffer_0small;
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extern buffer *buffer_1;
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extern buffer *buffer_1small;
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extern buffer *buffer_2;
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#endif
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