From 2c1bb09578ef094eef2edce9c3ffe502023851c6 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sat, 17 Dec 2022 18:20:53 +0100
Subject: Remove useless Fl_System_Driver members after 12da87b

---
 src/Fl_System_Driver.H                         |  5 -----
 src/drivers/Posix/Fl_Posix_System_Driver.H     |  3 ---
 src/drivers/Posix/Fl_Posix_System_Driver.cxx   | 24 ------------------------
 src/drivers/WinAPI/Fl_WinAPI_System_Driver.H   |  1 -
 src/drivers/WinAPI/Fl_WinAPI_System_Driver.cxx | 15 ---------------
 5 files changed, 48 deletions(-)

(limited to 'src')

diff --git a/src/Fl_System_Driver.H b/src/Fl_System_Driver.H
index 42e2a9815..89a555fdb 100644
--- a/src/Fl_System_Driver.H
+++ b/src/Fl_System_Driver.H
@@ -223,11 +223,6 @@ public:
   virtual double wait(double);                             // must override
   virtual int ready() { return 0; }                        // must override
   virtual int close_fd(int) {return -1;} // to close a file descriptor
-  // next 2 for support of Fl_SVG_Image
-  virtual int write_nonblocking_fd(int , const unsigned char *&, size_t &) {return 0;}
-  virtual void pipe_support(int &fdread, int &fdwrite, const unsigned char *, size_t ) {
-    fdread = fdwrite = -1;
-  }
 };
 
 #endif // FL_SYSTEM_DRIVER_H
diff --git a/src/drivers/Posix/Fl_Posix_System_Driver.H b/src/drivers/Posix/Fl_Posix_System_Driver.H
index 5712f6be2..0de91203b 100644
--- a/src/drivers/Posix/Fl_Posix_System_Driver.H
+++ b/src/drivers/Posix/Fl_Posix_System_Driver.H
@@ -83,9 +83,6 @@ public:
   virtual void gettime(time_t *sec, int *usec);
   virtual char* strdup(const char *s) {return ::strdup(s);}
   virtual int close_fd(int fd);
-  // next 2 for support of Fl_SVG_Image
-  virtual int write_nonblocking_fd(int , const unsigned char *&, size_t &);
-  virtual void pipe_support(int &, int &, const unsigned char *, size_t );
 #if defined(HAVE_PTHREAD)
   virtual void lock_ring();
   virtual void unlock_ring();
diff --git a/src/drivers/Posix/Fl_Posix_System_Driver.cxx b/src/drivers/Posix/Fl_Posix_System_Driver.cxx
index ec43ea741..d8075775d 100644
--- a/src/drivers/Posix/Fl_Posix_System_Driver.cxx
+++ b/src/drivers/Posix/Fl_Posix_System_Driver.cxx
@@ -310,30 +310,6 @@ bool Fl_Posix_System_Driver::probe_for_GTK(int major, int minor, void **p_ptr_gt
 
 int Fl_Posix_System_Driver::close_fd(int fd) { return close(fd); }
 
-int Fl_Posix_System_Driver::write_nonblocking_fd(int fdwrite, const unsigned char *&bytes, size_t &rest_bytes) {
-    if (rest_bytes > 0) {
-      ssize_t nw = write(fdwrite, bytes, rest_bytes);
-      if (nw == -1) {
-        close(fdwrite);
-        return 1; // error
-      }
-      bytes += nw;
-      rest_bytes -= nw;
-      if (rest_bytes == 0) close(fdwrite);
-    }
-  return 0; // success
-}
-
-void Fl_Posix_System_Driver::pipe_support(int &fdread, int &fdwrite, const unsigned char *unused, size_t unused_s) {
-  int fds[2];
-  if (pipe(fds)) { // create anonymous pipe
-    Fl_System_Driver::pipe_support(fdread, fdwrite, NULL, 0); // indicates error
-  } else {
-    fdread = fds[0];
-    fdwrite = fds[1];
-    fcntl(fdwrite, F_SETFL, O_NONBLOCK); // make pipe's write end non-blocking
-  }
-}
 
 ////////////////////////////////////////////////////////////////
 // POSIX threading...
diff --git a/src/drivers/WinAPI/Fl_WinAPI_System_Driver.H b/src/drivers/WinAPI/Fl_WinAPI_System_Driver.H
index d05b580d6..e6e7f5cf9 100644
--- a/src/drivers/WinAPI/Fl_WinAPI_System_Driver.H
+++ b/src/drivers/WinAPI/Fl_WinAPI_System_Driver.H
@@ -114,7 +114,6 @@ public:
   virtual void unlock_ring();
   virtual double wait(double time_to_wait);
   virtual int ready();
-  virtual void pipe_support(int &, int &, const unsigned char *, size_t );
   virtual int close_fd(int fd);
 };
 
diff --git a/src/drivers/WinAPI/Fl_WinAPI_System_Driver.cxx b/src/drivers/WinAPI/Fl_WinAPI_System_Driver.cxx
index cdb0805eb..dd0b93a8d 100644
--- a/src/drivers/WinAPI/Fl_WinAPI_System_Driver.cxx
+++ b/src/drivers/WinAPI/Fl_WinAPI_System_Driver.cxx
@@ -1063,18 +1063,3 @@ static void __cdecl write_func(struct gunz_data *pdata) { // will run in child t
 int Fl_WinAPI_System_Driver::close_fd(int fd) {
   return _close(fd);
 }
-
-void Fl_WinAPI_System_Driver::pipe_support(int &fdread, int &fdwrite, const unsigned char *bytes, size_t length) {
-  int fds[2];
-  pipe_win32(fds); // create anonymous pipe
-  if (fds[0] == -1) return Fl_System_Driver::pipe_support(fdread, fdwrite, NULL, 0);
-  fdread = fds[0];
-  fdwrite = -1;
-  // prepare data transmitted to child thread
-  struct gunz_data *thread_data = (struct gunz_data*)malloc(sizeof(struct gunz_data));
-  thread_data->data = bytes;
-  thread_data->length = (unsigned)length;
-  thread_data->fd = fds[1];
-  // launch child thread that will write byte buffer to pipe's write end
-  _beginthread((void( __cdecl * )( void * ))write_func, 0, thread_data);
-}
-- 
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