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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <spb.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include "../../assume.h"
#define BUFNUM 256
#define BUFLEN_MIN 1
#define BUFLEN_MAX 253
int main (int argc, char *argv[])
{
struct iovec iov[BUFNUM];
void *r_buf;
size_t r_len;
unsigned long seed;
spb_t *spb;
setbuf (stdout, NULL);
setbuf (stderr, NULL);
switch (argc) {
case 1:
seed = ((unsigned long) time (NULL)) ^ ((unsigned long) getpid ());
break;
case 2:
seed = strtoul (argv[1], NULL, 10);
switch (errno) {
case ERANGE:
case EINVAL:
fprintf (stderr, "Invalid seed: Not a number\n");
return (-1);
}
break;
default:
fprintf (stderr, "Usage: %s [<seed>]\n", argv[0]);
return (-1);
}
fprintf (stdout, "Seed = %lu\n", seed);
srandom (seed);
r_buf = malloc (BUFNUM * BUFLEN_MAX);
r_len = 0;
if (r_buf == NULL) {
perror ("r_buf alloc");
return (1);
}
{ size_t i;
for (i = 0; i < BUFNUM; ++i) {
iov[i].iov_len = BUFLEN_MIN + (random () % BUFLEN_MAX);
iov[i].iov_base = malloc (iov[i].iov_len);
if (iov[i].iov_base == NULL) {
perror ("iov alloc");
return (2);
}
memset (iov[i].iov_base, (int)(i % 256), iov[i].iov_len);
memset (r_buf + r_len, (int)(i % 256), iov[i].iov_len);
r_len += iov[i].iov_len;
}
}
//////////////////////////////////////////////////////////////////////////
spb = spb_new (NULL, 0, 0);
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (NULL, 0, 1);
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (NULL, 0, 10);
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (iov[0].iov_base, iov[0].iov_len, 0);
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (iov[0].iov_base, iov[0].iov_len, 1);
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (iov[0].iov_base, iov[0].iov_len, 10);
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (NULL, 0, 0);
for (int add = 0; add < BUFNUM; ++add) {
if (spb_add (spb, iov[add].iov_base, iov[add].iov_len) != 0) {
abort ();
}
}
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (iov[0].iov_base, iov[0].iov_len, 0);
for (int add = 1; add < BUFNUM; ++add) {
if (spb_add (spb, iov[add].iov_base, iov[add].iov_len) != 0) {
abort ();
}
}
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (NULL, 0, 0);
for (int add = 0; add < BUFNUM; ++add) {
if (spb_add (spb, iov[add].iov_base, iov[add].iov_len) != 0) {
abort ();
}
}
{
spb_size_t s_idx, b_size;
uint32_t b_idx, b_idx2;
b_idx = 0;
b_size = spb_size (spb);
for (s_idx = 0; s_idx < b_size; ++s_idx) {
b_idx2 = spb_bindex (spb, s_idx);
if (b_idx2 < b_idx) abort ();
else b_idx = b_idx2;
}
if (b_idx != BUFNUM - 1) abort ();
/* out of range s_idx */
if (spb_bindex (spb, s_idx) < BUFNUM) abort ();
}
fprintf (stdout, "spb size= "SPB_SZ_FMT"\n", spb_size (spb));
{
size_t i = 0;
uint8_t b;
spb_iterate (spb, 0, b,
if (b != *(((uint8_t *)r_buf) + i)) {
fprintf (stderr,
"iterate: difference at position %zu: %hhu != %hhu",
i, b, *(((uint8_t *)r_buf) + i));
abort ();
} else {
fprintf (stdout, "%c", i&1?((i&2)?'_':'^'):(i&2?'\\':'/'));
}
++i;
);
fprintf (stdout, "\n");
if (i != spb_size(spb)) {
fprintf (stderr,
"iterate: iteration ended before the actual buffer end: i=%zu, size="SPB_SZ_FMT"\n",
i, spb_size (spb));
abort ();
}
}
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (iov[0].iov_base, iov[0].iov_len, 0);
for (int add = 1; add < BUFNUM; ++add) {
if (spb_add (spb, iov[add].iov_base, iov[add].iov_len) != 0) {
abort ();
}
}
fprintf (stdout, "spb size= "SPB_SZ_FMT"\n", spb_size (spb));
{
size_t i = 0;
uint8_t b;
spb_iterate (spb, 0, b,
if (b != *(((uint8_t *)r_buf) + i)) {
fprintf (stderr,
"iterate: difference at position %zu: %hhu != %hhu",
i, b, *(((uint8_t *)r_buf) + i));
abort ();
} else {
fprintf (stdout, "%c", i&1?((i&2)?'_':'^'):(i&2?'\\':'/'));
}
++i;
);
fprintf (stdout, "\n");
if (i != spb_size(spb)) {
fprintf (stderr,
"iterate: iteration ended before the actual buffer end: i=%zu, size="SPB_SZ_FMT"\n",
i, spb_size (spb));
abort ();
}
}
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (NULL, 0, 10);
{
uint8_t b;
spb_iterate (spb, 0, b, abort ());
}
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
spb = spb_new (iov[0].iov_base, iov[0].iov_len, 0);
for (int add = 1; add < BUFNUM; ++add) {
if (spb_add (spb, iov[add].iov_base, iov[add].iov_len) != 0) {
abort ();
}
}
{
spb_size_t pick_size;
spb_size_t pick_start;
spb_size_t buf_size;
void *p_buf;
int p_ret, i;
spb_size_t o;
buf_size = spb_size (spb);
p_buf = malloc (buf_size);
for (pick_start = 0; pick_start < (buf_size - 1); ++pick_start) {
for (i = 0; i < 8; ++i) {
pick_size = 1 + (random () % (buf_size - pick_start));
p_ret = spb_pick (spb, pick_start, pick_size, p_buf);
if (p_ret != 0) abort ();
o = 0;
for (o = 0; o < pick_size; ++o) {
if (*(uint8_t *)(p_buf + o) != *(uint8_t *)(r_buf + pick_start + o))
abort ();
}
}
fprintf (stdout, "\r%c", pick_start&1?(pick_start&2?'/':'\\'):(pick_start&2?'|':'-'));
}
free (p_buf);
}
spb_free (spb, 0);
fprintf (stdout, "\n");
//////////////////////////////////////////////////////////////////////////
{ size_t i;
for (i = 0; i < BUFNUM; ++i) {
free (iov[i].iov_base);
}
}
free (r_buf);
//////////////////////////////////////////////////////////////////////////
uint8_t b1[8], b2[16], b3[32], b4[64];
spb = spb_new (NULL, 0, 0);
spb_add (spb, b1, 8);
spb_add (spb, b2, 16);
spb_add (spb, b3, 32);
spb_add (spb, b4, 64);
assume (spb_size (spb) == 8+16+32+64);
assume (spb_drop_head (spb, 4, 0) == 0);
assume (spb_size (spb) == 8+16+32+64);
assume (spb_drop_head (spb, 8, 0) == 8);
assume (spb_size (spb) == 16+32+64);
assume (spb_drop_head (spb, 17, 0) == 16);
assume (spb_size (spb) == 32+64);
assume (spb_drop_head (spb, 31, 0) == 0);
assume (spb_size (spb) == 32+64);
assume (spb_drop_head (spb, 32+64, 0) == 32+64);
assume (spb_size (spb) == 0);
spb_free (spb, 0);
//////////////////////////////////////////////////////////////////////////
return (0);
}
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