1 /*

2 * $Id: gt_utils.h,v 1.8 2004/04/17 06:05:54 hipnod Exp $

3 *

4 * Copyright (C) 2001-2003 giFT project (gift.sourceforge.net)

5 *

6 * This program is free software; you can redistribute it and/or modify it

7 * under the terms of the GNU General Public License as published by the

8 * Free Software Foundation; either version 2, or (at your option) any

9 * later version.

10 *

11 * This program is distributed in the hope that it will be useful, but

12 * WITHOUT ANY WARRANTY; without even the implied warranty of

13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

14 * General Public License for more details.

15 */

16

17 #ifndef GIFT_GT_UTILS_H_

18 #define GIFT_GT_UTILS_H_

19

20 /*****************************************************************************/

21

22 /* define to set data structures to a predefined value after freeing */

23 /* #define POISON_FREE 1 */

24

25 /*****************************************************************************/

26

27 typedef struct gt_zlib_stream

28 {

29 void *streamptr;

30

31 enum

32 {

33 ZSTREAM_NONE = 0x00,

34 ZSTREAM_INFLATE = 0x01,

35 ZSTREAM_DEFLATE = 0x02,

36 } type;

37

38 char *data;

39 char *start, *end;

40 char *pos;

41 } ZlibStream;

42

43 /*****************************************************************************/

44

45 char *make_str (char *pseudo_str, int len);

46

47 int peer_addr (int fd, in_addr_t *r_ip, in_port_t *r_port);

48

49 void fprint_hex (FILE *f, char *buf, int len);

50

51 /*****************************************************************************/

52

53 ZlibStream *zlib_stream_open (size_t max);

54 void zlib_stream_close (ZlibStream *stream);

55 int zlib_stream_inflate (ZlibStream *stream, char *data, size_t size);

56 int zlib_stream_write (ZlibStream *stream, char *data, size_t size);

57

58 /* returns the amount of data read */

59 int zlib_stream_read (ZlibStream *stream, char **r_data);

60

61 /*****************************************************************************/

62

63 #ifdef POISON_FREE

64 #define poisoned_free(ptr, chr) \

65 do { \

66 memset ((ptr), (chr), sizeof (*(ptr))); \

67 free ((ptr)); \

68 } while (0)

69 #else /* POISON_FREE */

70 #define poisoned_free(ptr, chr) \

71 free ((ptr))

72 #endif /* POISON_FREE */

73

74 /*****************************************************************************/

75

76 #endif /* GIFT_GT_UTILS_H_ */