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
|
#include <assert.h>
#include <unistd.h>
#include <sys/types.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include "util.h"
#include "mcalign.h"
int main(int argc, char *argv[]) {
struct pa_mcalign *a = pa_mcalign_new(11, NULL);
struct pa_memchunk c;
pa_memchunk_reset(&c);
srand(time(NULL));
for (;;) {
ssize_t r;
size_t l;
if (!c.memblock) {
c.memblock = pa_memblock_new(2048, NULL);
c.index = c.length = 0;
}
assert(c.index < c.memblock->length);
l = c.memblock->length - c.index;
l = l <= 1 ? l : rand() % (l-1) +1 ;
if ((r = read(STDIN_FILENO, (uint8_t*) c.memblock->data + c.index, l)) <= 0) {
fprintf(stderr, "read() failed: %s\n", r < 0 ? strerror(errno) : "EOF");
break;
}
c.length = r;
pa_mcalign_push(a, &c);
fprintf(stderr, "Read %u bytes\n", r);
c.index += r;
if (c.index >= c.memblock->length) {
pa_memblock_unref(c.memblock);
pa_memchunk_reset(&c);
}
for (;;) {
struct pa_memchunk t;
if (pa_mcalign_pop(a, &t) < 0)
break;
pa_loop_write(STDOUT_FILENO, (uint8_t*) t.memblock->data + t.index, t.length);
fprintf(stderr, "Wrote %u bytes.\n", t.length);
pa_memblock_unref(t.memblock);
}
}
pa_mcalign_free(a);
if (c.memblock)
pa_memblock_unref(c.memblock);
}
|
