Fix compilation on GCC

client.cpp

@@ -266,7 +266,7 @@ long MastodonClient::_response_status_code() {
 static void lowercase(std::string& str) {
     for (size_t i = 0; i < str.size(); i++) {
         if (str[i] >= 'A' && str[i] <= 'Z') {
-            str[i] = str[i] - 'A' + 'a';
+            str[i] = str[i] - static_cast<char>('A' + 'a');
         }
     }
 }

lxb_wrapper.h

@@ -7,6 +7,7 @@
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wconversion"
+#pragma GCC diagnostic ignored "-Wshadow"
 #include <lexbor/html/html.h>
 #pragma GCC diagnostic pop
 
@@ -49,13 +50,13 @@ public:
         lxb_html_document_destroy(this->_document);
     }
 
-    constexpr lxb_dom_node_t* body() const noexcept {
+    inline lxb_dom_node_t* body() const noexcept {
         lxb_dom_node_t* node = lxb_dom_interface_node(this->_document);
         lxb_dom_node_t* html = lxb_dom_node_first_child(node);
         lxb_dom_node_t* body = lxb_dom_node_last_child(html);
         return body;
     }
-    constexpr lxb_dom_element_t* body_element() const noexcept {
+    inline lxb_dom_element_t* body_element() const noexcept {
         lxb_dom_node_t* body = this->body();
         assert(body->type == LXB_DOM_NODE_TYPE_ELEMENT);
         return lxb_dom_interface_element(body);

models.cpp

@@ -159,9 +159,12 @@ time_t parse_rfc3339(const std::string& str) {
         .tm_mday   = to_int(sm.str(3)),
         .tm_mon    = to_int(sm.str(2)) - 1,
         .tm_year   = to_int(sm.str(1)) - 1900,
+        .tm_wday   = -1,
+        .tm_yday   = -1,
 
         .tm_isdst  = -1,
         .tm_gmtoff = !sm.str(7).empty() ? 0 : to_int(sm.str(8)) * 60 * 60 + to_int(sm.str(9)) * 60,
+        .tm_zone   = nullptr,
     };
     time_t time = mktime(&tm);
     if (time == -1) {

servehelper.cpp

@@ -15,7 +15,7 @@
 
 static inline void preprocess_html(const httplib::Request& req, const std::string& domain_name, const std::vector<Emoji>& emojis, lxb_dom_element_t* element);
 static inline void preprocess_link(const httplib::Request& req, const std::string& domain_name, lxb_dom_element_t* element);
-static inline bool should_fix_link(lxb_dom_element_t* element, const std::string& cls);
+static inline bool should_fix_link(lxb_dom_element_t* element, const std::string& element_cls);
 static inline lxb_dom_node_t* emojify(lxb_dom_node_t* child, const std::vector<Emoji>& emojis);
 static inline std::vector<lxb_dom_node*> emojify(lxb_dom_document_t* document, std::string str, const std::vector<Emoji>& emojis);
 
@@ -133,10 +133,14 @@ std::string proxy_mastodon_url(const httplib::Request& req, const std::string& u
         throw std::bad_alloc();
     }
 
+    // in a block to avoid a (potential) gcc bug where it thinks the lambda below
+    // shadows `code`, even if i do `[&url](...) { ... }`
+    {
         CURLUcode code = curl_url_set(url.get(), CURLUPART_URL, url_str.c_str(), 0);
         if (code) {
             throw CurlUrlException(code);
         }
+    }
 
     auto get_part = [&](CURLUPart part, CURLUcode ignore = CURLUE_OK) {
         char* content = nullptr;
@@ -266,9 +270,9 @@ static inline void preprocess_link(const httplib::Request& req, const std::strin
 }
 
 static std::regex unhandled_link_re("\\bunhandled-link\\b");
-static inline bool should_fix_link(lxb_dom_element_t* element, const std::string& cls) {
+static inline bool should_fix_link(lxb_dom_element_t* element, const std::string& element_cls) {
     // https://vt.social/@LucydiaLuminous/111448085044245037
-    if (std::regex_search(cls, unhandled_link_re)) {
+    if (std::regex_search(element_cls, unhandled_link_re)) {
         return true;
     }