diff options
| -rw-r--r-- | indra/llcommon/tests/llsdserialize_test.cpp | 112 |
1 files changed, 77 insertions, 35 deletions
diff --git a/indra/llcommon/tests/llsdserialize_test.cpp b/indra/llcommon/tests/llsdserialize_test.cpp index e61e6b9460..ec0cacfe90 100644 --- a/indra/llcommon/tests/llsdserialize_test.cpp +++ b/indra/llcommon/tests/llsdserialize_test.cpp @@ -33,18 +33,34 @@ typedef U32 uint32_t; #include <process.h> #else +#include <unistd.h> #include <netinet/in.h> #include <errno.h> +#include <fcntl.h> #include <sys/wait.h> +#include <sys/stat.h> #include "llprocesslauncher.h" #endif +/*==========================================================================*| +// Whoops, seems Linden's Boost package and the viewer are built with +// different settings of VC's /Zc:wchar_t switch! Using Boost.Filesystem +// pathname operations produces Windows link errors: +// unresolved external symbol "private: static class std::codecvt<unsigned short, +// char,int> const * & __cdecl boost::filesystem3::path::wchar_t_codecvt_facet()" +// unresolved external symbol "void __cdecl boost::filesystem3::path_traits::convert()" +// See: +// http://boost.2283326.n4.nabble.com/filesystem-v3-unicode-and-std-codecvt-linker-error-td3455549.html +// which points to: +// http://msdn.microsoft.com/en-us/library/dh8che7s%28v=VS.100%29.aspx + // As we're not trying to preserve compatibility with old Boost.Filesystem // code, but rather writing brand-new code, use the newest available // Filesystem API. #define BOOST_FILESYSTEM_VERSION 3 #include "boost/filesystem.hpp" #include "boost/filesystem/v3/fstream.hpp" +|*==========================================================================*/ #include "boost/range.hpp" #include "boost/foreach.hpp" @@ -54,7 +70,6 @@ typedef U32 uint32_t; #include "../test/lltut.h" #include "stringize.h" -#include "llstring.h" std::vector<U8> string_to_vector(const std::string& str) { @@ -62,13 +77,12 @@ std::vector<U8> string_to_vector(const std::string& str) } // boost::filesystem::temp_directory_path() isn't yet in Boost 1.45! :-( -// Switch to that one as soon as we update to a Boost that contains it. -boost::filesystem::path temp_directory_path() +std::string temp_directory_path() { #if LL_WINDOWS char buffer[4096]; GetTempPathA(sizeof(buffer), buffer); - return boost::filesystem::path(buffer); + return buffer; #else // LL_DARWIN, LL_LINUX static const char* vars[] = { "TMPDIR", "TMP", "TEMP", "TEMPDIR" }; @@ -76,34 +90,28 @@ boost::filesystem::path temp_directory_path() { const char* found = getenv(var); if (found) - return boost::filesystem::path(found); + return found; } - return boost::filesystem::path("/tmp"); + return "/tmp"; #endif // LL_DARWIN, LL_LINUX } -// We want a std::string from a boost::filesystem::path::native() call. While -// there is a boost::filesystem::path::string() call as well, invoking that -// (at least in this test-program context) produces unresolved externals for -// boost::filesystem::path conversion machinery even though we can resolve -// other boost::filesystem symbols. Possibly those conversion routines aren't -// being built for Linden's Boost package. But that's okay, llstring.h -// provides conversion machinery we can use instead. -// On Posix platforms, boost::filesystem::path::native() returns std::string. -inline -std::string native_to_string(const std::string& in) -{ - return in; -} - -// On Windows, though, boost::filesystem::path::native() returns std::wstring. -// Make sure the right conversion happens. -inline -std::string native_to_string(const std::wstring& in) -{ - // So actually, wstring_to_utf8str() accepts LLWString rather than std::wstring... - return wstring_to_utf8str(LLWString(in.begin(), in.end())); -} +// Windows presents a kinda sorta compatibility layer. Code to the yucky +// Windows names because they're less likely than the Posix names to collide +// with any other names in this source. +#if LL_WINDOWS +#define _remove DeleteFile +#else // ! LL_WINDOWS +#define _open open +#define _write write +#define _close close +#define _remove remove +#define _O_WRONLY O_WRONLY +#define _O_CREAT O_CREAT +#define _O_EXCL O_EXCL +#define _S_IWRITE S_IWUSR +#define _S_IREAD S_IRUSR +#endif // ! LL_WINDOWS // Create a Python script file with specified content "somewhere in the // filesystem," cleaning up when it goes out of scope. @@ -111,22 +119,56 @@ class NamedTempScript { public: NamedTempScript(const std::string& content): - mPath(/*boost::filesystem*/::temp_directory_path() / - boost::filesystem::unique_path("%%%%-%%%%-%%%%-%%%%.py")) + mPath(temp_directory_path()) { - boost::filesystem::ofstream file(mPath); - file << content << '\n'; + // Make sure mPath ends with a directory separator, if it doesn't already. + if (mPath.empty() || + ! (mPath[mPath.length() - 1] == '\\' || mPath[mPath.length() - 1] == '/')) + { + mPath.append("/"); + } + + // Open a file with a unique name in the mPath directory. + int fd(-1); + for (int i(0);; ++i) + { + // Append an integer name to mPath. It need not be zero-filled, + // but I think it's neater that way. + std::string testname(STRINGIZE(mPath + << std::setw(8) << std::setfill('0') << i + << ".py")); + // The key to this whole loop is the _O_CREAT | _O_EXCL bitmask, + // which requests an error if the file already exists. A proper + // implementation will check atomically, ensuring that racing + // processes will end up with two different filenames. + fd = _open(testname.c_str(), + _O_WRONLY | _O_CREAT | _O_EXCL, + _S_IREAD | _S_IWRITE); + if (fd != -1) // managed to open the file + { + mPath = testname; // remember its actual name + break; + } + // it's a problem if the open() failed for any other reason but + // the existence of a file by the same name + assert(errno == EEXIST); + // loop back to try another filename + } + // File is open, its name is in mPath: write it and close it. + _write(fd, content.c_str(), content.length()); + _write(fd, "\n", 1); + _close(fd); } ~NamedTempScript() { - boost::filesystem::remove(mPath); + _remove(mPath.c_str()); } - std::string getName() const { return native_to_string(mPath.native()); } + std::string getName() const { return mPath; } private: - boost::filesystem::path mPath; + std::string mPath; }; namespace tut |