Add DLL export/import support

1 files changed, 24 insertions, 22 deletions

diff --git a/butl/fdstream b/butl/fdstream
index bb14f25..0caac5c 100644
--- a/butl/fdstream
+++ b/butl/fdstream
@@ -10,6 +10,8 @@
 #include <ostream>
 #include <cstdint> // uint16_t
 
+#include <butl/export>
+
 #include <butl/path>
 #include <butl/filesystem> // permissions
 
@@ -38,7 +40,7 @@ namespace butl
   //   used
   // - not movable, though can be easily supported
   //
-  class fdbuf: public std::basic_streambuf<char>
+  class LIBBUTL_EXPORT fdbuf: public std::basic_streambuf<char>
   {
   public:
     virtual
@@ -111,10 +113,10 @@ namespace butl
     skip   = 0x04
   };
 
-  fdstream_mode operator& (fdstream_mode, fdstream_mode);
-  fdstream_mode operator| (fdstream_mode, fdstream_mode);
-  fdstream_mode operator&= (fdstream_mode&, fdstream_mode);
-  fdstream_mode operator|= (fdstream_mode&, fdstream_mode);
+  inline fdstream_mode operator& (fdstream_mode, fdstream_mode);
+  inline fdstream_mode operator| (fdstream_mode, fdstream_mode);
+  inline fdstream_mode operator&= (fdstream_mode&, fdstream_mode);
+  inline fdstream_mode operator|= (fdstream_mode&, fdstream_mode);
 
   // Extended (compared to ios::openmode) file open flags.
   //
@@ -132,12 +134,12 @@ namespace butl
     none = 0           // Usefull when build the mode incrementally.
   };
 
-  fdopen_mode operator& (fdopen_mode, fdopen_mode);
-  fdopen_mode operator| (fdopen_mode, fdopen_mode);
-  fdopen_mode operator&= (fdopen_mode&, fdopen_mode);
-  fdopen_mode operator|= (fdopen_mode&, fdopen_mode);
+  inline fdopen_mode operator& (fdopen_mode, fdopen_mode);
+  inline fdopen_mode operator| (fdopen_mode, fdopen_mode);
+  inline fdopen_mode operator&= (fdopen_mode&, fdopen_mode);
+  inline fdopen_mode operator|= (fdopen_mode&, fdopen_mode);
 
-  class fdstream_base
+  class LIBBUTL_EXPORT fdstream_base
   {
   protected:
     fdstream_base () = default;
@@ -180,7 +182,7 @@ namespace butl
   // Note that ifdstream destructor will close an open file descriptor but
   // will ignore any errors. To detect such errors, call close() explicitly.
   //
-  class ifdstream: fdstream_base, public std::istream
+  class LIBBUTL_EXPORT ifdstream: fdstream_base, public std::istream
   {
   public:
     // Create an unopened object with iostate = badbit | failbit (we cannot
@@ -260,7 +262,7 @@ namespace butl
   // (std::uncaught_exception() == true). This is enforced with assert() in
   // the ofdstream destructor.
   //
-  class ofdstream: fdstream_base, public std::ostream
+  class LIBBUTL_EXPORT ofdstream: fdstream_base, public std::ostream
   {
   public:
     // Create an unopened object with iostate = badbit | failbit (we cannot
@@ -344,7 +346,7 @@ namespace butl
   // - The fail and eof bits may be left cleared in the stream exception mask
   //   when the function throws because of badbit.
   //
-  ifdstream&
+  LIBBUTL_EXPORT ifdstream&
   getline (ifdstream&, std::string&, char delim = '\n');
 
   // Open a file returning the file descriptor on success and throwing
@@ -363,21 +365,21 @@ namespace butl
   // process' umask, so effective permissions are permissions & ~umask. On
   // Windows permissions other than ru and wu are unlikelly to have effect.
   //
-  int
+  LIBBUTL_EXPORT int
   fdopen (const char*,
           fdopen_mode,
           permissions = permissions::ru | permissions::wu |
                         permissions::rg | permissions::wg |
                         permissions::ro | permissions::wo);
 
-  int
+  LIBBUTL_EXPORT int
   fdopen (const std::string&,
           fdopen_mode,
           permissions = permissions::ru | permissions::wu |
                         permissions::rg | permissions::wg |
                         permissions::ro | permissions::wo);
 
-  int
+  LIBBUTL_EXPORT int
   fdopen (const path&,
           fdopen_mode,
           permissions = permissions::ru | permissions::wu |
@@ -387,15 +389,15 @@ namespace butl
   // Set the translation mode for the file descriptor. Return the previous
   // mode on success, throw ios::failure otherwise.
   //
-  fdstream_mode
+  LIBBUTL_EXPORT fdstream_mode
   fdmode (int, fdstream_mode);
 
   // Convenience functions for setting the translation mode for standard
   // streams.
   //
-  fdstream_mode stdin_fdmode  (fdstream_mode);
-  fdstream_mode stdout_fdmode (fdstream_mode);
-  fdstream_mode stderr_fdmode (fdstream_mode);
+  LIBBUTL_EXPORT fdstream_mode stdin_fdmode  (fdstream_mode);
+  LIBBUTL_EXPORT fdstream_mode stdout_fdmode (fdstream_mode);
+  LIBBUTL_EXPORT fdstream_mode stderr_fdmode (fdstream_mode);
 
   // Low-level, nothrow file descriptor API.
   //
@@ -403,7 +405,7 @@ namespace butl
   // Close the file descriptor. Return true on success, set errno and return
   // false otherwise.
   //
-  bool
+  LIBBUTL_EXPORT bool
   fdclose (int) noexcept;
 
   // Open the null device (e.g., /dev/null) that discards all data written to
@@ -412,7 +414,7 @@ namespace butl
   // Note that it's the caller's responsibility to close the returned file
   // descriptor.
   //
-  int
+  LIBBUTL_EXPORT int
   fdnull () noexcept;
 }