s/qmail  3.3.23
Next generation secure email transport
buffer.h
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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 void buffer_init(buffer *,int (*)(),int,char *,unsigned int);
17 
18 int buffer_flush(buffer *);
19 int buffer_put(buffer *,char *,unsigned int);
20 int bufner_putalign(buffer *,char *,unsigned int);
21 int buffer_putflush(buffer *,char *,unsigned int);
22 int buffer_puts(buffer *,char *);
23 int buffer_putsalign(buffer *,char *);
24 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 int buffer_get(buffer *,char *,unsigned int);
33 int buffer_bget(buffer *,char *,unsigned int);
34 int buffer_feed(buffer *);
35 
36 char *buffer_peek(buffer *);
37 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 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
buffer * buffer_1small
int buffer_feed(buffer *)
int buffer_bget(buffer *, char *, unsigned int)
char * buffer_peek(buffer *)
unsigned int p
Definition: buffer.h:6
int buffer_puts(buffer *, char *)
buffer * buffer_2
int(* op)()
Definition: buffer.h:9
char * x
Definition: buffer.h:5
buffer * buffer_0
buffer * buffer_0small
int buffer_copy(buffer *, buffer *)
int fd
Definition: buffer.h:8
int buffer_putflush(buffer *, char *, unsigned int)
int buffer_putsflush(buffer *, char *)
Definition: buffer.h:4
void buffer_seek(buffer *, unsigned int)
int buffer_get(buffer *, char *, unsigned int)
void buffer_init(buffer *, int(*)(), int, char *, unsigned int)
int buffer_put(buffer *, char *, unsigned int)
int buffer_putsalign(buffer *, char *)
struct buffer buffer
int bufner_putalign(buffer *, char *, unsigned int)
unsigned int n
Definition: buffer.h:7
int buffer_flush(buffer *)
buffer * buffer_1