src/deflate.h

   1 /*
   2  * netsniff-ng - the packet sniffing beast
   3  * By Daniel Borkmann <daniel@netsniff-ng.org>
   4  * Copyright 2011 Daniel Borkmann.
   5  * Subject to the GPL.
   6  */
   7
   8 #ifndef DEFLATE_H
   9 #define DEFLATE_H
  10
  11 #include "zlib.h"
  12 #include "locking.h"
  13
  14 struct z_struct {
  15         /* Inflate buffer */
  16         z_stream inf;
  17         unsigned char *inf_z_buf;
  18         size_t inf_z_buf_size;
  19         struct spinlock inf_lock;
  20         /* Deflate buffer */
  21         z_stream def;
  22         unsigned char *def_z_buf;
  23         size_t def_z_buf_size;
  24         struct spinlock def_lock;
  25 };
  26
  27 extern int z_alloc_or_maybe_die(struct z_struct *z, int z_level);
  28 extern ssize_t z_deflate(struct z_struct *z, char *src, size_t size, char **dst);
  29 extern ssize_t z_inflate(struct z_struct *z, char *src, size_t size, char **dst);
  30 extern void z_free(void *z);
  31 extern char *z_get_version(void);
  32
  33 #endif /* DEFLATE_H */