1 #ifndef BUFFER_H 2 #define BUFFER_H 3 4 typedef struct buffer { 5 char *x; 6 unsigned int p; 7 unsigned int n; 8 int fd; 9 int (*op)(); 10 } buffer; 11 12 #define BUFFER_INIT(op,fd,buf,len) { (buf), 0, (len), (fd), (op) } 13 #define BUFFER_INSIZE 8192 14 #define BUFFER_OUTSIZE 8192 15 16 extern void buffer_init(buffer *,int (*)(),int,char *,unsigned int); 17 18 extern int buffer_flush(buffer *); 19 extern int buffer_put(buffer *,char *,unsigned int); 20 extern int buffer_putalign(buffer *,char *,unsigned int); 21 extern int buffer_putflush(buffer *,char *,unsigned int); 22 extern int buffer_puts(buffer *,char *); 23 extern int buffer_putsalign(buffer *,char *); 24 extern int buffer_putsflush(buffer *,char *); 25 26 #define buffer_PUTC(s,c) \ 27 ( ((s)->n != (s)->p) \ 28 ? ( (s)->x[(s)->p++] = (c), 0 ) \ 29 : buffer_put((s),&(c),1) \ 30 ) 31 32 extern int buffer_get(buffer *,char *,unsigned int); 33 extern int buffer_bget(buffer *,char *,unsigned int); 34 extern int buffer_feed(buffer *); 35 36 extern char *buffer_peek(buffer *); 37 extern void buffer_seek(buffer *,unsigned int); 38 39 #define buffer_PEEK(s) ( (s)->x + (s)->n ) 40 #define buffer_SEEK(s,len) ( ( (s)->p -= (len) ) , ( (s)->n += (len) ) ) 41 42 #define buffer_GETC(s,c) \ 43 ( ((s)->p > 0) \ 44 ? ( *(c) = (s)->x[(s)->n], buffer_SEEK((s),1), 1 ) \ 45 : buffer_get((s),(c),1) \ 46 ) 47 48 extern int buffer_copy(buffer *,buffer *); 49 50 extern buffer *buffer_0; 51 extern buffer *buffer_0small; 52 extern buffer *buffer_1; 53 extern buffer *buffer_1small; 54 extern buffer *buffer_2; 55 56 #endif 57