Feature #3399
Updated by nahi (Hiroshi Nakamura) about 12 years ago
=begin (gdb) 0x62d4a4f1 2835 BUFINIT(); (gdb) print s $5 = 0xc7dfa0 "//?/D:/ruby2/lib/ruby/site_ruby/1.9.1" this is from rbconfig.rb CONFIG = {} CONFIG["DESTDIR"] = DESTDIR CONFIG["MAJOR"] = "1" CONFIG["MINOR"] = "9" CONFIG["TEENY"] = "1" CONFIG["PATCHLEVEL"] = "-1" CONFIG["INSTALL"] = '/usr/bin/ginstall -c' CONFIG["EXEEXT"] = ".exe" CONFIG["prefix"] = (TOPDIR || DESTDIR + "d:/ruby2") CONFIG["ruby_install_name"] = "ruby" CONFIG["RUBY_INSTALL_NAME"] = "ruby" CONFIG["RUBY_SO_NAME"] = "msvcrt-ruby191" CONFIG["PACKAGE"] = "ruby" CONFIG["BUILTIN_TRANSSRCS"] = " newline.c" CONFIG["MANTYPE"] = "doc" CONFIG["NROFF"] = "/usr/bin/nroff" CONFIG["vendorhdrdir"] = "$(rubyhdrdir)/vendor_ruby" CONFIG["sitehdrdir"] = "$(rubyhdrdir)/site_ruby" CONFIG["rubyhdrdir"] = "$(includedir)/$(RUBY_BASE_NAME)-$(ruby_version)" CONFIG["UNIVERSAL_INTS"] = "" CONFIG["UNIVERSAL_ARCHNAMES"] = "" CONFIG["configure_args"] = " 'optflags=-mno-cygwin -O4' '--enable-load-relative' '--target=i686-pc-mingw32' '--prefix=/usr/mingw' '--disable-install-doc' 'target_alias=i686-pc-mingw32'" CONFIG["vendordir"] = "$(rubylibprefix)/vendor_ruby" CONFIG["sitedir"] = "$(rubylibprefix)/site_ruby" CONFIG["ruby_version"] = "1.9.1" CONFIG["sitearch"] = "i386-msvcrt" CONFIG["arch"] = "i386-mingw32" CONFIG["RI_BASE_NAME"] = "ri" CONFIG["ridir"] = "$(datarootdir)/$(RI_BASE_NAME)" CONFIG["rubylibprefix"] = "$(libdir)/$(RUBY_BASE_NAME)" CONFIG["MAKEFILES"] = "Makefile GNUmakefile" CONFIG["THREAD_MODEL"] = "win32" CONFIG["EXPORT_PREFIX"] = " " CONFIG["COMMON_HEADERS"] = "winsock2.h windows.h" CONFIG["COMMON_MACROS"] = "" CONFIG["COMMON_LIBS"] = "m" CONFIG["MAINLIBS"] = "" CONFIG["ENABLE_SHARED"] = "yes" CONFIG["DLDLIBS"] = "" CONFIG["SOLIBS"] = "$(LIBS)" CONFIG["LIBRUBYARG_SHARED"] = "-l$(RUBY_SO_NAME)" CONFIG["LIBRUBYARG_STATIC"] = "-l$(RUBY_SO_NAME)-static" CONFIG["LIBRUBYARG"] = "$(LIBRUBYARG_SHARED)" CONFIG["LIBRUBY"] = "lib$(RUBY_SO_NAME).dll.a" CONFIG["LIBRUBY_ALIASES"] = "" CONFIG["LIBRUBY_SO"] = "$(RUBY_SO_NAME).dll" CONFIG["LIBRUBY_A"] = "lib$(RUBY_SO_NAME)-static.a" CONFIG["RUBYW_INSTALL_NAME"] = "$(RUBYW_BASE_NAME)" CONFIG["rubyw_install_name"] = "$(RUBYW_INSTALL_NAME)" CONFIG["LIBRUBY_DLDFLAGS"] = " -mno-cygwin -Wl,--enable-auto-image-base,--enable-auto-import -Wl,--out-implib=$(LIBRUBY) $(RUBYDEF)" CONFIG["LIBRUBY_LDSHARED"] = "$(CC) -mno-cygwin -shared $(if $(filter-out -g -g0,$(debugflags)),,-g3)" CONFIG["warnflags"] = "-Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long" CONFIG["debugflags"] = "-g" CONFIG["optflags"] = "-mno-cygwin -O4" CONFIG["cxxflags"] = " $(optflags) $(debugflags) $(warnflags)" CONFIG["cflags"] = " $(optflags) $(debugflags) $(warnflags)" CONFIG["cppflags"] = "" CONFIG["INSTALLDOC"] = "nodoc" CONFIG["RDOCTARGET"] = "nodoc" CONFIG["EXECUTABLE_EXTS"] = ".exe .com .cmd .bat" CONFIG["ARCHFILE"] = "" CONFIG["EXTOUT"] = ".ext" CONFIG["PREP"] = "miniruby$(EXEEXT)" CONFIG["TEST_RUNNABLE"] = "yes" CONFIG["setup"] = "Setup" CONFIG["EXTSTATIC"] = "" CONFIG["STRIP"] = "strip" CONFIG["TRY_LINK"] = "" CONFIG["LIBPATHENV"] = "" CONFIG["RPATHFLAG"] = "" CONFIG["LIBPATHFLAG"] = " -L%s" CONFIG["LINK_SO"] = "" CONFIG["LIBEXT"] = "a" CONFIG["DLEXT2"] = "" CONFIG["DLEXT"] = "so" CONFIG["LDSHAREDXX"] = "$(CXX) -mno-cygwin -shared $(if $(filter-out -g -g0,$(debugflags)),,-g3)" CONFIG["LDSHARED"] = "$(CC) -mno-cygwin -shared $(if $(filter-out -g -g0,$(debugflags)),,-g3)" CONFIG["CCDLFLAGS"] = " -mno-cygwin " CONFIG["STATIC"] = "" CONFIG["ARCH_FLAG"] = "" CONFIG["DLDFLAGS"] = " -mno-cygwin -Wl,--enable-auto-image-base,--enable-auto-import $(DEFFILE)" CONFIG["ALLOCA"] = "" CONFIG["CHDIR"] = "cd -P" CONFIG["RMALL"] = "rm -fr" CONFIG["RMDIRS"] = "rmdir -p" CONFIG["CP"] = "cp" CONFIG["RM"] = "rm -f" CONFIG["CAPITARGET"] = "nodoc" CONFIG["DOXYGEN"] = "doxygen" CONFIG["DOT"] = "" CONFIG["MAKEDIRS"] = "/usr/bin/mkdir -p" CONFIG["MKDIR_P"] = "/usr/bin/mkdir -p" CONFIG["INSTALL_DATA"] = "$(INSTALL) -m 644" CONFIG["INSTALL_SCRIPT"] = "$(INSTALL)" CONFIG["INSTALL_PROGRAM"] = "$(INSTALL)" CONFIG["SET_MAKE"] = "" CONFIG["LN_S"] = "ln -s" CONFIG["DLLWRAP"] = "dllwrap" CONFIG["WINDRES"] = "windres" CONFIG["NM"] = "nm" CONFIG["OBJCOPY"] = ":" CONFIG["OBJDUMP"] = "objdump" CONFIG["ASFLAGS"] = "" CONFIG["AS"] = "as" CONFIG["AR"] = "ar" CONFIG["RANLIB"] = "ranlib" CONFIG["try_header"] = "" CONFIG["COUTFLAG"] = "-o " CONFIG["OUTFLAG"] = "-o " CONFIG["CPPOUTFILE"] = "-o conftest.i" CONFIG["GNU_LD"] = "yes" CONFIG["GCC"] = "yes" CONFIG["EGREP"] = "/usr/bin/grep -E" CONFIG["GREP"] = "/usr/bin/grep" CONFIG["CPP"] = "$(CC) -E" CONFIG["CXXFLAGS"] = "$(cxxflags)" CONFIG["CXX"] = "g++" CONFIG["OBJEXT"] = "o" CONFIG["CPPFLAGS"] = " $(DEFS) $(cppflags)" CONFIG["LDFLAGS"] = "-L. -mno-cygwin " CONFIG["CFLAGS"] = "$(cflags)" CONFIG["CC"] = "gcc" CONFIG["target_os"] = "mingw32" CONFIG["target_vendor"] = "pc" CONFIG["target_cpu"] = "i386" CONFIG["target"] = "i386-pc-mingw32" CONFIG["host_os"] = "cygwin" CONFIG["host_vendor"] = "pc" CONFIG["host_cpu"] = "i686" CONFIG["host"] = "i686-pc-cygwin" CONFIG["build_os"] = "cygwin" CONFIG["build_vendor"] = "pc" CONFIG["build_cpu"] = "i686" CONFIG["build"] = "i686-pc-cygwin" CONFIG["RUBYW_BASE_NAME"] = "rubyw" CONFIG["RUBY_BASE_NAME"] = "ruby" CONFIG["RUBY_RELEASE_DATE"] = "2010-06-05" CONFIG["RUBY_PROGRAM_VERSION"] = "1.9.3" CONFIG["BASERUBY"] = "ruby" CONFIG["target_alias"] = "i386-pc-mingw32" CONFIG["host_alias"] = "" CONFIG["build_alias"] = "" CONFIG["LIBS"] = " -mno-cygwin -lshell32 -lws2_32 -limagehlp " CONFIG["ECHO_T"] = "" CONFIG["ECHO_N"] = "-n" CONFIG["ECHO_C"] = "" CONFIG["DEFS"] = "" CONFIG["mandir"] = "$(datarootdir)/man" CONFIG["localedir"] = "$(datarootdir)/locale" CONFIG["libdir"] = "$(exec_prefix)/lib" CONFIG["psdir"] = "$(docdir)" CONFIG["pdfdir"] = "$(docdir)" CONFIG["dvidir"] = "$(docdir)" CONFIG["htmldir"] = "$(docdir)" CONFIG["infodir"] = "$(datarootdir)/info" CONFIG["docdir"] = "$(datarootdir)/doc/$(PACKAGE)" CONFIG["oldincludedir"] = "/usr/include" CONFIG["includedir"] = "$(prefix)/include" CONFIG["localstatedir"] = "$(prefix)/var" CONFIG["sharedstatedir"] = "$(prefix)/com" CONFIG["sysconfdir"] = "$(prefix)/etc" CONFIG["datadir"] = "$(datarootdir)" CONFIG["datarootdir"] = "$(prefix)/share" CONFIG["libexecdir"] = "$(exec_prefix)/libexec" CONFIG["sbindir"] = "$(exec_prefix)/sbin" CONFIG["bindir"] = "$(exec_prefix)/bin" CONFIG["exec_prefix"] = "$(prefix)" CONFIG["PACKAGE_URL"] = "" CONFIG["PACKAGE_BUGREPORT"] = "" CONFIG["PACKAGE_STRING"] = "" CONFIG["PACKAGE_VERSION"] = "" CONFIG["PACKAGE_TARNAME"] = "" CONFIG["PACKAGE_NAME"] = "" CONFIG["PATH_SEPARATOR"] = ":" CONFIG["SHELL"] = "/bin/sh" CONFIG["rubylibdir"] = "$(rubylibprefix)/$(ruby_version)" CONFIG["archdir"] = "$(rubylibdir)/$(arch)" CONFIG["sitelibdir"] = "$(sitedir)/$(ruby_version)" CONFIG["sitearchdir"] = "$(sitelibdir)/$(sitearch)" CONFIG["vendorlibdir"] = "$(vendordir)/$(ruby_version)" CONFIG["vendorarchdir"] = "$(vendorlibdir)/$(sitearch)" CONFIG["topdir"] = File.dirname(__FILE__) i use gdb(cygwin) to debug ruby, cygwin thinks unc path \\?\ is appended to debugee path. but this could have been eliminated or leaved as it is. i suspeced that ruby thinks it as regular path and substitutes \ to /. the result is total disaster. it is clear that every corresponding native win32 api fails because there is no //?/ unc path. (gdb) 0x62d4a4f1 2835 BUFINIT(); (gdb) print s $5 = 0xc7dfa0 "//?/D:/ruby2/lib/ruby/site_ruby/1.9.1" 3072 HANDLE h = FindFirstFile(skipprefix(b), &wfd); 1: $eax = 0x0 (gdb) print b $5 = 0xc7ec78 "//?/D:/ruby2/lib/ruby/site_ruby/1.9.1" =end