misc/piggyback/zpipe.h

/* zpipe.c: example of proper use of zlib's inflate() and deflate()
   Not copyrighted -- provided to the public domain
   Version 1.2  9 November 2004  Mark Adler */

/* Version history:
   1.0  30 Oct 2004  First version
   1.1   8 Nov 2004  Add void casting for unused return values
                     Use switch statement for inflate() return values
   1.2   9 Nov 2004  Add assertions to document zlib guarantees
 */

#include "zlib.h"


/* Compress from file source to file dest until EOF on source.
   def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
   allocated for processing, Z_STREAM_ERROR if an invalid compression
   level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
   version of the library linked do not match, or Z_ERRNO if there is
   an error reading or writing the files. */
int def(FILE *source, FILE *dest, int level);

/* Decompress from file source to file dest until stream ends or EOF.
   inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
   allocated for processing, Z_DATA_ERROR if the deflate data is
   invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
   the version of the library linked do not match, or Z_ERRNO if there
   is an error reading or writing the files. */
int inf(FILE *source, FILE *dest);

/* report a zlib or i/o error */
void zerr(int ret);
1	/* zpipe.c: example of proper use of zlib's inflate() and deflate()
2	Not copyrighted -- provided to the public domain
3	Version 1.2 9 November 2004 Mark Adler */
4
5	/* Version history:
6	1.0 30 Oct 2004 First version
7	1.1 8 Nov 2004 Add void casting for unused return values
8	Use switch statement for inflate() return values
9	1.2 9 Nov 2004 Add assertions to document zlib guarantees
10	*/
11
12	#include "zlib.h"
13
14
15	/* Compress from file source to file dest until EOF on source.
16	def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
17	allocated for processing, Z_STREAM_ERROR if an invalid compression
18	level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
19	version of the library linked do not match, or Z_ERRNO if there is
20	an error reading or writing the files. */
21	int def(FILE source, FILE dest, int level);
22
23	/* Decompress from file source to file dest until stream ends or EOF.
24	inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
25	allocated for processing, Z_DATA_ERROR if the deflate data is
26	invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
27	the version of the library linked do not match, or Z_ERRNO if there
28	is an error reading or writing the files. */
29	int inf(FILE source, FILE dest);
30
31	/* report a zlib or i/o error */
32	void zerr(int ret);