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dc0d77d7 CE |
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 *,const char *,unsigned int); | |
20 | extern int buffer_putalign(buffer *,const char *,unsigned int); | |
21 | extern int buffer_putflush(buffer *,const char *,unsigned int); | |
22 | extern int buffer_puts(buffer *,const char *); | |
23 | extern int buffer_putsalign(buffer *,const char *); | |
24 | extern int buffer_putsflush(buffer *,const 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 int buffer_unixread(int,char *,unsigned int); | |
51 | extern int buffer_unixwrite(int,const char *,unsigned int); | |
52 | ||
53 | extern buffer *buffer_0; | |
54 | extern buffer *buffer_0small; | |
55 | extern buffer *buffer_1; | |
56 | extern buffer *buffer_1small; | |
57 | extern buffer *buffer_2; | |
58 | ||
59 | #endif |