1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/* Generated by fuzzing - test hash_head == 0 handling. */
#include "zbuild.h"
#ifdef ZLIB_COMPAT
# include "zlib.h"
#else
# include "zlib-ng.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main() {
PREFIX3(stream) strm;
memset(&strm, 0, sizeof(strm));
int ret = PREFIX(deflateInit2)(&strm, 1, Z_DEFLATED, -15, 4, Z_HUFFMAN_ONLY);
if (ret != Z_OK) {
fprintf(stderr, "deflateInit2() failed with code %d\n", ret);
return EXIT_FAILURE;
}
unsigned char next_in[9698];
memset(next_in, 0x30, sizeof(next_in));
next_in[8193] = 0x00;
next_in[8194] = 0x00;
next_in[8195] = 0x00;
next_in[8199] = 0x8a;
strm.next_in = next_in;
unsigned char next_out[21572];
strm.next_out = next_out;
strm.avail_in = 0;
strm.avail_out = 1348;
ret = PREFIX(deflateParams(&strm, 3, Z_FILTERED));
if (ret != Z_OK) {
fprintf(stderr, "deflateParams() failed with code %d\n", ret);
return EXIT_FAILURE;
}
strm.avail_in = 6728;
strm.avail_out = 2696;
ret = PREFIX(deflate(&strm, Z_SYNC_FLUSH));
if (ret != Z_OK) {
fprintf(stderr, "deflate() failed with code %d\n", ret);
return EXIT_FAILURE;
}
strm.avail_in = 15;
strm.avail_out = 1348;
ret = PREFIX(deflateParams(&strm, 9, Z_FILTERED));
if (ret != Z_OK) {
fprintf(stderr, "deflateParams() failed with code %d\n", ret);
return EXIT_FAILURE;
}
strm.avail_in = 1453;
strm.avail_out = 1348;
ret = PREFIX(deflate(&strm, Z_FULL_FLUSH));
if (ret != Z_OK) {
fprintf(stderr, "deflate() failed with code %d\n", ret);
return EXIT_FAILURE;
}
strm.avail_in = (uint32_t)(next_in + sizeof(next_in) - strm.next_in);
strm.avail_out = (uint32_t)(next_out + sizeof(next_out) - strm.next_out);
ret = PREFIX(deflate)(&strm, Z_FINISH);
if (ret != Z_STREAM_END) {
fprintf(stderr, "deflate() failed with code %d\n", ret);
return EXIT_FAILURE;
}
uint32_t compressed_size = (uint32_t)(strm.next_out - next_out);
ret = PREFIX(deflateEnd)(&strm);
if (ret != Z_OK) {
fprintf(stderr, "deflateEnd() failed with code %d\n", ret);
return EXIT_FAILURE;
}
memset(&strm, 0, sizeof(strm));
ret = PREFIX(inflateInit2)(&strm, -15);
if (ret != Z_OK) {
fprintf(stderr, "inflateInit2() failed with code %d\n", ret);
return EXIT_FAILURE;
}
strm.next_in = next_out;
strm.avail_in = compressed_size;
unsigned char uncompressed[sizeof(next_in)];
strm.next_out = uncompressed;
strm.avail_out = sizeof(uncompressed);
ret = PREFIX(inflate)(&strm, Z_NO_FLUSH);
if (ret != Z_STREAM_END) {
fprintf(stderr, "inflate() failed with code %d\n", ret);
return EXIT_FAILURE;
}
ret = PREFIX(inflateEnd)(&strm);
if (ret != Z_OK) {
fprintf(stderr, "inflateEnd() failed with code %d\n", ret);
return EXIT_FAILURE;
}
if (memcmp(uncompressed, next_in, sizeof(uncompressed)) != 0) {
fprintf(stderr, "Uncompressed data differs from the original\n");
return EXIT_FAILURE;
}
}
|
