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 unsigned int a; 9 int fd; 10 int (*op)(); 11 } buffer; 12 13 #define BUFFER_INIT(op,fd,buf,len) { (buf), 0, 0, (len), (fd), (op) } 14 #define BUFFER_INIT_READ(op,fd,buf,len) BUFFER_INIT(op,fd,buf,len) /*obsolete*/ 15 #define BUFFER_INSIZE 8192 16 #define BUFFER_OUTSIZE 8192 17 18 extern void buffer_init(buffer* b,int (*op)(),int fd,char* y,unsigned int ylen); 19 20 extern int buffer_flush(buffer* b); 21 extern int buffer_put(buffer* b,const char* x,unsigned int len); 22 extern int buffer_putalign(buffer* b,const char* x,unsigned int len); 23 extern int buffer_putflush(buffer* b,const char* x,unsigned int len); 24 extern int buffer_puts(buffer* b,const char* x); 25 extern int buffer_putsalign(buffer* b,const char* x); 26 extern int buffer_putsflush(buffer* b,const char* x); 27 28 extern int buffer_putspace(buffer* b); 29 30 #define buffer_PUTC(s,c) \ 31 ( ((s)->a != (s)->p) \ 32 ? ( (s)->x[(s)->p++] = (c), 0 ) \ 33 : buffer_put((s),&(c),1) \ 34 ) 35 36 extern int buffer_get(buffer* b,char* x,unsigned int len); 37 extern int buffer_bget(buffer* b,char* x,unsigned int len); 38 extern int buffer_feed(buffer* b); 39 extern int buffer_getc(buffer* b,char* x); 40 extern int buffer_getn(buffer* b,char* x,unsigned int len); 41 extern int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsigned int setlen); 42 #define buffer_getline(b,x,len) buffer_get_token((b),(x),(len),"\n",1) 43 44 extern char *buffer_peek(buffer* b); 45 extern void buffer_seek(buffer* b,unsigned int len); 46 47 #define buffer_PEEK(s) ( (s)->x + (s)->p ) 48 #define buffer_SEEK(s,len) ( (s)->p += (len) ) 49 50 #define buffer_GETC(s,c) \ 51 ( ((s)->p < (s>->n) \ 52 ? ( *(c) = *buffer_PEEK(s), buffer_SEEK((s),1), 1 ) \ 53 : buffer_get((s),(c),1) \ 54 ) 55 56 extern int buffer_copy(buffer* out,buffer* in); 57 58 extern int buffer_putulong(buffer *b,unsigned long l); 59 extern int buffer_put8long(buffer *b,unsigned long l); 60 extern int buffer_putxlong(buffer *b,unsigned long l); 61 extern int buffer_putlong(buffer *b,unsigned long l); 62 extern int buffer_putulonglong(buffer *b,unsigned long long l); 63 64 extern buffer *buffer_0; 65 extern buffer *buffer_0small; 66 extern buffer *buffer_1; 67 extern buffer *buffer_1small; 68 extern buffer *buffer_2; 69 70 #endif 71