Replace remaining calls to unlink() with fl_unlink().

Tested under Linux, MinGW, and Visual Studio 2015.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12496 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_System_Driver.H

@@ -95,7 +95,7 @@ public:
   virtual int access(const char* f, int mode) { return -1;}
   virtual int stat(const char* f, struct stat *b) { return -1;}
   virtual char *getcwd(char* b, int l) {return NULL;}
-  virtual int unlink(const char* f) {return -1;}
+  virtual int unlink(const char* fname) {return -1;}
   virtual int mkdir(const char* f, int mode) {return -1;}
   virtual int rmdir(const char* f) {return -1;}
   virtual int rename(const char* f, const char *n) {return -1;}

FL/fl_utf8.h

@@ -3,7 +3,7 @@
  *
  * Author: Jean-Marc Lienher ( http://oksid.ch )
  * Copyright 2000-2010 by O'ksi'D.
- * Copyright 2016 by Bill Spitzak and others.
+ * Copyright 2016-2017 by Bill Spitzak and others.
  *
  * This library is free software. Distribution and use rights are outlined in
  * the file "COPYING" which should have been included with this file.  If this
@@ -180,7 +180,7 @@ FL_EXPORT int fl_open(const char* f, int o, ...);
 FL_EXPORT int fl_open_ext(const char* fname, int translation, int oflags, ...);
 
 /* OD: Portable UTF-8 aware unlink wrapper */
-FL_EXPORT int fl_unlink(const char *f);
+FL_EXPORT int fl_unlink(const char *fname);
 
 /* OD: Portable UTF-8 aware rmdir wrapper */
 FL_EXPORT int fl_rmdir(const char *f);

fluid/fluid.cxx

@@ -61,7 +61,6 @@
 #    define access _access
 #    define chdir _chdir
 #    define getcwd _getcwd
-#    define unlink _unlink
 #  endif // !__WATCOMC__
 #else
 #  include <unistd.h>
@@ -671,7 +670,7 @@ void new_cb(Fl_Widget *, void *v) {
 
       undo_suspend();
       read_file(cutfname(1), 0);
-      unlink(cutfname(1));
+      fl_unlink(cutfname(1));
       undo_resume();
     } else {
       // No instance name, so read the template without replacements...
@@ -864,7 +863,7 @@ void duplicate_cb(Fl_Widget*, void*) {
   if (!read_file(cutfname(1), 1)) {
     fl_message("Can't read %s: %s", cutfname(1), strerror(errno));
   }
-  unlink(cutfname(1));
+  fl_unlink(cutfname(1));
   undo_resume();
 
   force_parent = 0;

fluid/template_panel.cxx

@@ -202,7 +202,7 @@ void template_delete_cb(Fl_Button *, void *) {
   if (!fl_choice("Are you sure you want to delete the template \"%s\"?",
                  "Cancel", "Delete", 0, name)) return;
   
-  if (unlink(flfile)) {
+  if (fl_unlink(flfile)) {
     fl_alert("Unable to delete template \"%s\":\n%s", name, strerror(errno));
     return;
   }

fluid/template_panel.fl

@@ -197,7 +197,7 @@ if (!flfile) return;
 if (!fl_choice("Are you sure you want to delete the template \\"%s\\"?",
                "Cancel", "Delete", 0, name)) return;
 
-if (unlink(flfile)) {
+if (fl_unlink(flfile)) {
   fl_alert("Unable to delete template \\"%s\\":\\n%s", name, strerror(errno));
   return;
 }

fluid/undo.cxx

@@ -3,7 +3,7 @@
 //
 // FLUID undo support for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2010 by Bill Spitzak and others.
+// Copyright 1998-2017 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -22,15 +22,11 @@
 #include <FL/Fl_Preferences.H>
 #include <FL/filename.H>
 #include "../src/flstring.h"
+
 #if defined(WIN32) && !defined(__CYGWIN__)
 #  include <io.h>
 #  include <windows.h>
 #  define getpid (int)GetCurrentProcessId
-#  ifndef __WATCOMC__
-// Visual C++ 2005 incorrectly displays a warning about the use of POSIX APIs
-// on Windows, which is supposed to be POSIX compliant...
-#    define unlink _unlink
-#  endif // !__WATCOMC__
 #else
 #  include <unistd.h>
 #endif // WIN32 && !__CYGWIN__
@@ -159,7 +155,7 @@ void undo_clear() {
 
   // Remove old checkpoint files...
   for (int i = 0; i <= undo_max; i ++) {
-    unlink(undo_filename(i, filename, sizeof(filename)));
+    fl_unlink(undo_filename(i, filename, sizeof(filename)));
   }
 
   // Reset current, last, and save indices...

src/Fl_x.cxx

@@ -1396,7 +1396,7 @@ fprintf(stderr,"\n");*/
       close(fd);
       free(sn_buffer); sn_buffer = 0;
       shared = Fl_Shared_Image::get(tmp_fname);
-      unlink(tmp_fname);
+      fl_unlink(tmp_fname);
       if (!shared) return 0;
       uchar *rgb = new uchar[shared->w() * shared->h() * shared->d()];
       memcpy(rgb, shared->data()[0], shared->w() * shared->h() * shared->d());

src/fl_utf8.cxx

@@ -454,14 +454,14 @@ char *fl_getcwd(char* b, int l) {
 /** Cross-platform function to unlink() (that is, delete) a file using
     a UTF-8 encoded filename.
 
- This function is especially useful under the MSWindows platform where the
+  This function is especially useful on the Windows platform where
- standard function expects UTF-16 encoded non-ASCII filenames.
+  the standard function expects UTF-16 encoded non-ASCII filenames.
 
-  \param     f the filename to unlink
+  \param     fname the filename to unlink
   \return    the return value of _wunlink() on Windows or unlink() on other platforms.
 */
-int fl_unlink(const char* f) {
+int fl_unlink(const char* fname) {
-  return Fl::system_driver()->unlink(f);
+  return Fl::system_driver()->unlink(fname);
 }
 
 /** Cross-platform function to create a directory with a UTF-8 encoded