Merge #18682: fuzz: http_request workaround for libevent < 2.1.1
6f8b498d18
fuzz: http_request workaround for libevent < 2.1.1 (Sebastian Falbesoner) Pull request description: The fuzz test `http_request` calls the following two internal libevent functions: * `evhttp_parse_firstline_` * `evhttp_parse_headers_` Before libevent 2.1.1 however, internal functions names didn't end with an underscore (see libevent commit8ac3c4c25b
and [Changelog for 2.1.1.-alpha](https://github.com/libevent/libevent/blob/master/ChangeLog#L1830) when the change was first mentioned) hence the build fails with a linking error. This PR adds a preprocessor workaround to the test that checks for the libevent version (via ~`_EVENT_NUMERIC_VERSION`~ `LIBEVENT_VERSION_NUMBER`) and creates wrapper functions mapping to naming scheme without underscore in case the version is older than 2.1.1. Tested with Ubuntu Xenial 16.04.6 LTS and clang-8. ACKs for top commit: hebasto: ACK6f8b498d18
, tested on xenial: Tree-SHA512: 3b9e0147b8aea22e417d418e3b6d4905f5be131c2b0ae4b0f8b9411c5606d2e22f1b23e1ecc6980ecab907c61404de09e588aae1ac43cf70cf9e8d006bbdee73
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commit
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1 changed files with 17 additions and 0 deletions
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@ -9,6 +9,7 @@
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#include <test/fuzz/util.h>
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#include <event2/buffer.h>
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#include <event2/event.h>
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#include <event2/http.h>
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#include <event2/http_struct.h>
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@ -17,8 +18,24 @@
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#include <string>
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#include <vector>
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// workaround for libevent versions before 2.1.1,
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// when internal functions didn't have underscores at the end
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#if LIBEVENT_VERSION_NUMBER < 0x02010100
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extern "C" int evhttp_parse_firstline(struct evhttp_request*, struct evbuffer*);
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extern "C" int evhttp_parse_headers(struct evhttp_request*, struct evbuffer*);
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inline int evhttp_parse_firstline_(struct evhttp_request* r, struct evbuffer* b)
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{
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return evhttp_parse_firstline(r, b);
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}
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inline int evhttp_parse_headers_(struct evhttp_request* r, struct evbuffer* b)
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{
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return evhttp_parse_headers(r, b);
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}
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#else
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extern "C" int evhttp_parse_firstline_(struct evhttp_request*, struct evbuffer*);
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extern "C" int evhttp_parse_headers_(struct evhttp_request*, struct evbuffer*);
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#endif
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std::string RequestMethodString(HTTPRequest::RequestMethod m);
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void test_one_input(const std::vector<uint8_t>& buffer)
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