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Modules determine their own compatibility with the library

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A module is built against the system-installed libdpm-core.so and is
responsible for being correct against it. Where it needs to act on the
version it is running under, dpm_core_version() reports that and the
module decides for itself.

dpm_module_core_min() is removed. It was a declaration handed to the
library to enforce on the module's behalf, and enforcement of that kind
belongs nowhere in a library that routes and hosts. The contract is now
three reserved symbols and load validation is two steps: the reserved
symbols resolve, and the version and description probes return
well-formed values.

compare_versions had no remaining caller and is removed; parse_version
stays for the well-formedness probe. The core_too_new fixture went with
the handshake it existed to exercise.
This commit is contained in:
Chris Punches
2026-08-15 04:21:58 -04:00
parent 97b39cac6c
commit 17acad2b02
17 changed files with 101 additions and 185 deletions
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5
tests/test_core.cpp
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@@ -102,9 +102,6 @@ int main(void)
CHECK(error_contains(ctx, "missing required contract symbols"));
CHECK(error_contains(ctx, "dpm_module_execute"));
CHECK(dpm_require(ctx, "core_too_new") == nullptr);
CHECK(error_contains(ctx, "update libdpm-core"));
CHECK(dpm_require(ctx, "bad_version") == nullptr);
CHECK(error_contains(ctx, "malformed version"));
@@ -125,7 +122,6 @@ int main(void)
CHECK(dpm_module_info_of(ctx, good, &seen) == 0);
CHECK(std::strcmp(seen.name, "good") == 0);
CHECK(std::strcmp(seen.version, "1.2.3") == 0);
CHECK(std::strcmp(seen.core_min, "0.1.0") == 0);
CHECK(seen.description != nullptr && *seen.description);
CHECK(dpm_module_info_of(ctx, nullptr, &seen) != 0);
@@ -150,7 +146,6 @@ int main(void)
count++;
CHECK(std::strcmp(info.name, "good") == 0);
CHECK(std::strcmp(info.version, "1.2.3") == 0);
CHECK(std::strcmp(info.core_min, "0.1.0") == 0);
CHECK(info.description != nullptr && *info.description);
}
CHECK(count == 1);