This source file includes following definitions.
- main
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18 #include <config.h>
19
20 #include <string.h>
21
22 #include "signature.h"
23 SIGNATURE_CHECK (rawmemchr, void *, (void const *, int));
24
25 #include <stdlib.h>
26
27 #include "zerosize-ptr.h"
28 #include "macros.h"
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30
31
32 #define RAWMEMCHR (char *) rawmemchr
33
34 int
35 main (void)
36 {
37 size_t n = 0x100000;
38 char *input = malloc (n + 1);
39 ASSERT (input);
40
41 input[0] = 'a';
42 input[1] = 'b';
43 memset (input + 2, 'c', 1024);
44 memset (input + 1026, 'd', n - 1028);
45 input[n - 2] = 'e';
46 input[n - 1] = 'a';
47 input[n] = '\0';
48
49
50 ASSERT (RAWMEMCHR (input, 'a') == input);
51 ASSERT (RAWMEMCHR (input, 'b') == input + 1);
52 ASSERT (RAWMEMCHR (input, 'c') == input + 2);
53 ASSERT (RAWMEMCHR (input, 'd') == input + 1026);
54
55 ASSERT (RAWMEMCHR (input + 1, 'a') == input + n - 1);
56 ASSERT (RAWMEMCHR (input + 1, 'e') == input + n - 2);
57 ASSERT (RAWMEMCHR (input + 1, 0x789abc00 | 'e') == input + n - 2);
58
59 ASSERT (RAWMEMCHR (input, '\0') == input + n);
60
61
62 {
63 int i, j;
64 for (i = 0; i < 32; i++)
65 {
66 for (j = 0; j < 256; j++)
67 input[i + j] = j;
68 for (j = 0; j < 256; j++)
69 {
70 ASSERT (RAWMEMCHR (input + i, j) == input + i + j);
71 }
72 }
73 }
74
75
76 {
77 char *page_boundary = (char *) zerosize_ptr ();
78 size_t i;
79
80 if (!page_boundary)
81 page_boundary = input + 4096;
82 memset (page_boundary - 512, '1', 511);
83 page_boundary[-1] = '2';
84 for (i = 1; i <= 512; i++)
85 ASSERT (RAWMEMCHR (page_boundary - i, (i * 0x01010100) | '2')
86 == page_boundary - 1);
87 }
88
89 free (input);
90
91 return 0;
92 }