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test-compress-benchmark: properly initialize buffer

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We were compressing unitialized memory, which should not result in
any problems, but is inelegant.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2015-10-18 17:59:40 -04:00
parent c4291c1524
commit 0036b0bf2d
1 changed files with 12 additions and 5 deletions
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17
src/journal/test-compress-benchmark.c
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@ -64,11 +64,18 @@ static char* make_buf(size_t count, const char *type) {
for (i = 0; i < count; i++)
buf[i] = 'a' + i % ('z' - 'a' + 1);
else if (streq(type, "random")) {
random_bytes(buf, count/10);
random_bytes(buf + 2*count/10, count/10);
random_bytes(buf + 4*count/10, count/20);
random_bytes(buf + 6*count/10, count/20);
random_bytes(buf + 8*count/10, count/20);
size_t step = count / 10;
random_bytes(buf, step);
memzero(buf + 1*step, step);
random_bytes(buf + 2*step, step);
memzero(buf + 3*step, step);
random_bytes(buf + 4*step, step);
memzero(buf + 5*step, step);
random_bytes(buf + 6*step, step);
memzero(buf + 7*step, step);
random_bytes(buf + 8*step, step);
memzero(buf + 9*step, step);
} else
assert_not_reached("here");