Remove g++ warning and fix HTTP header value

Author: fwsGonzo

CMakeLists.txt

@@ -82,7 +82,8 @@ endif(silent)
 set(CAPABS "${CAPABS} ${OPTIMIZE}")
 
 if (CMAKE_COMPILER_IS_GNUCC)
-  set(CMAKE_CXX_FLAGS "-m32 -MMD ${CAPABS} ${WARNS} -nostdlib -c -std=c++14 -D_LIBCPP_HAS_NO_THREADS=1 -DOS_VERSION=\\\"${OS_VERSION}\\\"")
+  # gcc/g++ settings
+  set(CMAKE_CXX_FLAGS "-m32 -MMD ${CAPABS} ${WARNS} -Wno-frame-address -nostdlib -c -std=c++14 -D_LIBCPP_HAS_NO_THREADS=1 -DOS_VERSION=\\\"${OS_VERSION}\\\"")
   set(CMAKE_C_FLAGS "-m32 -MMD ${CAPABS} ${WARNS} -nostdlib -c -DOS_VERSION=\"\"${OS_VERSION}\"\"")
 else()
   # these kinda work with llvm

src/net/http/header.cpp

@@ -64,7 +64,7 @@ bool Header::has_field(util::csview field) const noexcept {
 util::sview Header::value(util::csview field) const noexcept {
   if (field.empty()) return field;
   const auto it = find(field);
-  return (it not_eq fields_.cend()) ? it->second : util::sview().to_string();
+  return (it not_eq fields_.cend()) ? util::csview{it->second} : util::sview();
 }
 
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