int
main(void)
{
uint8_t buf[10], *p, *end;
int64_t i;
for (i = 1; i < 1LL << 60; i <<= 1) {
end = buf;
testutil_check(
__wt_vpack_uint(&end, sizeof(buf), (uint64_t)i));
printf("%" PRId64 " ", i);
for (p = buf; p < end; p++)
printf("%02x", *p);
printf("\n");
end = buf;
testutil_check(__wt_vpack_int(&end, sizeof(buf), -i));
printf("%" PRId64 " ", -i);
for (p = buf; p < end; p++)
printf("%02x", *p);
printf("\n");
}
return (0);
}
void
test_value(int64_t val)
{
const uint8_t *cp;
uint8_t buf[10], *p;
int64_t sinput, soutput;
uint64_t uinput, uoutput;
size_t used_len;
sinput = val;
p = buf;
assert(__wt_vpack_int(&p, sizeof(buf), sinput) == 0);
used_len = (size_t)(p - buf);
cp = buf;
assert(__wt_vunpack_int(&cp, used_len, &soutput) == 0);
/* Ensure we got the correct value back */
if (sinput != soutput) {
fprintf(stderr, "mismatch %" PRIu64 ", %" PRIu64 "\n",
sinput, soutput);
abort();
}
/* Ensure that decoding used the correct amount of buffer */
if (cp != p) {
fprintf(stderr,
"Unpack consumed wrong size for %" PRId64
", expected %" WT_SIZET_FMT ", got %" WT_SIZET_FMT "\n",
sinput, used_len, cp > p ?
used_len + (size_t)(cp - p) : /* More than buf used */
used_len - (size_t)(p - cp)); /* Less than buf used */
abort();
}
/* Test unsigned, convert negative into bigger positive values */
uinput = (uint64_t)val;
p = buf;
assert(__wt_vpack_uint(&p, sizeof(buf), uinput) == 0);
cp = buf;
assert(__wt_vunpack_uint(
&cp, sizeof(buf), &uoutput) == 0);
/* Ensure we got the correct value back */
if (sinput != soutput) {
fprintf(stderr, "mismatch %" PRIu64 ", %" PRIu64 "\n",
sinput, soutput);
abort();
}
/* Ensure that decoding used the correct amount of buffer */
if (cp != p) {
fprintf(stderr,
"Unpack consumed wrong size for %" PRId64
", expected %" WT_SIZET_FMT ", got %" WT_SIZET_FMT "\n",
sinput, used_len, cp > p ?
used_len + (size_t)(cp - p) :
used_len - (size_t)(p - cp));
abort();
}
}
void
test_value(int64_t val)
{
const uint8_t *cp;
uint8_t buf[WT_INTPACK64_MAXSIZE + 8]; /* -Werror=array-bounds */
uint8_t *p;
int64_t sinput, soutput;
uint64_t uinput, uoutput;
size_t used_len;
memset(buf, 0xff, sizeof(buf)); /* -Werror=maybe-uninitialized */
sinput = val;
soutput = 0; /* -Werror=maybe-uninitialized */
/*
* Required on some systems to pull in parts of the library
* for which we have data references.
*/
testutil_check(__wt_library_init());
p = buf;
testutil_check(__wt_vpack_int(&p, sizeof(buf), sinput));
used_len = (size_t)(p - buf);
testutil_assert(used_len <= WT_INTPACK64_MAXSIZE);
cp = buf;
testutil_check(__wt_vunpack_int(&cp, used_len, &soutput));
/* Ensure we got the correct value back */
if (sinput != soutput) {
fprintf(stderr,
"mismatch %" PRId64 ", %" PRId64 "\n", sinput, soutput);
abort();
}
/* Ensure that decoding used the correct amount of buffer */
if (cp != p) {
fprintf(stderr,
"Unpack consumed wrong size for %" PRId64
", expected %" WT_SIZET_FMT ", got %" WT_SIZET_FMT "\n",
sinput, used_len, cp > p ?
used_len + (size_t)(cp - p) : /* More than buf used */
used_len - (size_t)(p - cp)); /* Less than buf used */
abort();
}
/* Test unsigned, convert negative into bigger positive values */
uinput = (uint64_t)val;
p = buf;
testutil_check(__wt_vpack_uint(&p, sizeof(buf), uinput));
used_len = (size_t)(p - buf);
testutil_assert(used_len <= WT_INTPACK64_MAXSIZE);
cp = buf;
testutil_check(__wt_vunpack_uint(&cp, sizeof(buf), &uoutput));
/* Ensure we got the correct value back */
if (sinput != soutput) {
fprintf(stderr,
"mismatch %" PRId64 ", %" PRId64 "\n", sinput, soutput);
abort();
}
/* Ensure that decoding used the correct amount of buffer */
if (cp != p) {
fprintf(stderr,
"Unpack consumed wrong size for %" PRId64
", expected %" WT_SIZET_FMT ", got %" WT_SIZET_FMT "\n",
sinput, used_len, cp > p ?
used_len + (size_t)(cp - p) :
used_len - (size_t)(p - cp));
abort();
}
}
