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Do not fail on partial ctl path for ctl_nametomib()

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We do not fail on partial ctl path when the given `mib` array is
shorter than the given name, and we should keep the behavior the
same in the reverse case, which I feel is also the more natural way.
This commit is contained in:
Yinan Zhang 2020-08-13 13:26:44 -07:00
parent 6ab181d2b7
commit f2e1a5be77
2 changed files with 17 additions and 6 deletions
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15
test/unit/mallctl.c
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@ -117,6 +117,20 @@ TEST_BEGIN(test_mallctlnametomib_short_mib) {
}
TEST_END
TEST_BEGIN(test_mallctlnametomib_short_name) {
size_t mib[4];
size_t miblen;
miblen = 4;
mib[3] = 42;
expect_d_eq(mallctlnametomib("arenas.bin.0", mib, &miblen), 0,
"Unexpected mallctlnametomib() failure");
expect_zu_eq(miblen, 3, "Unexpected mib output length");
expect_zu_eq(mib[3], 42,
"mallctlnametomib() wrote past the end of the input mib");
}
TEST_END
TEST_BEGIN(test_mallctl_config) {
#define TEST_MALLCTL_CONFIG(config, t) do { \
t oldval; \
@ -1106,6 +1120,7 @@ main(void) {
test_mallctlbymib_errors,
test_mallctl_read_write,
test_mallctlnametomib_short_mib,
test_mallctlnametomib_short_name,
test_mallctl_config,
test_mallctl_opt,
test_manpage_example,