Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/scandir_win32.c b/common/fltk/src/scandir_win32.c
new file mode 100644
index 0000000..dcefdf6
--- /dev/null
+++ b/common/fltk/src/scandir_win32.c
@@ -0,0 +1,135 @@
+/*
+ * "$Id: scandir_win32.c 8347 2011-02-01 01:06:27Z greg.ercolano $"
+ *
+ * WIN32 scandir function for the Fast Light Tool Kit (FLTK).
+ *
+ * Copyright 1998-2010 by Bill Spitzak and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA.
+ *
+ * Please report all bugs and problems on the following page:
+ *
+ *     http://www.fltk.org/str.php
+ */
+
+#ifndef __CYGWIN__
+/* Emulation of posix scandir() call */
+#include <FL/fl_utf8.h>
+#include <FL/filename.H>
+#include "flstring.h"
+#include <windows.h>
+#include <stdlib.h>
+
+int fl_scandir(const char *dirname, struct dirent ***namelist,
+	       int (*select)(struct dirent *),
+	       int (*compar)(struct dirent **, struct dirent **)) {
+  int len;
+  char *findIn, *d, is_dir = 0;
+  WIN32_FIND_DATAW findw;
+  HANDLE h;
+  int nDir = 0, NDir = 0;
+  struct dirent **dir = 0, *selectDir;
+  unsigned long ret;
+
+  len    = strlen(dirname);
+  findIn = (char *)malloc((size_t)(len+10));
+  if (!findIn) return -1;
+  strcpy(findIn, dirname);
+
+  /* #if defined(__GNUC__) */
+  /* #warning FIXME This probably needs to be MORE UTF8 aware now */
+  /* #endif */
+  for (d = findIn; *d; d++) if (*d=='/') *d='\\';
+  if ((len==0)) { strcpy(findIn, ".\\*"); }
+  if ((len==2)&&findIn[1]==':'&&isalpha(findIn[0])) { *d++ = '\\'; *d = 0; }
+  if ((len==1)&& (d[-1]=='.')) { strcpy(findIn, ".\\*"); is_dir = 1; }
+  if ((len>0) && (d[-1]=='\\')) { *d++ = '*'; *d = 0; is_dir = 1; }
+  if ((len>1) && (d[-1]=='.') && (d[-2]=='\\')) { d[-1] = '*'; is_dir = 1; }
+  if (!is_dir) { /* this file may still be a directory that we need to list */
+    DWORD attr = GetFileAttributes(findIn);
+    if (attr&FILE_ATTRIBUTE_DIRECTORY)
+      strcpy(d, "\\*");
+  }
+  { /* Create a block to limit the scope while we find the initial "wide" filename */
+     /* unsigned short * wbuf = (unsigned short*)malloc(sizeof(short) *(len + 10)); */
+     /* wbuf[fl_utf2unicode(findIn, strlen(findIn), wbuf)] = 0; */
+	unsigned short *wbuf = NULL;
+	unsigned wlen = fl_utf8toUtf16(findIn, strlen(findIn), NULL, 0); /* Pass NULL to query length */
+	wlen++; /* add a little extra for termination etc. */
+	wbuf = (unsigned short*)malloc(sizeof(unsigned short)*wlen);
+	wlen = fl_utf8toUtf16(findIn, strlen(findIn), wbuf, wlen); /* actually convert the filename */
+	wbuf[wlen] = 0; /* NULL terminate the resultant string */
+	h = FindFirstFileW(wbuf, &findw); /* get a handle to the first filename in the search */
+	free(wbuf); /* release the "wide" buffer before the pointer goes out of scope */
+  }
+  if (h==INVALID_HANDLE_VALUE) {
+    free(findIn);
+    ret = GetLastError();
+    if (ret != ERROR_NO_MORE_FILES) {
+      nDir = -1;
+    }
+    *namelist = dir;
+    return nDir;
+  }
+  do {
+	int l = wcslen(findw.cFileName);
+	int dstlen = l * 5 + 1;
+	selectDir=(struct dirent*)malloc(sizeof(struct dirent)+dstlen);
+
+     /* l = fl_unicode2utf(findw.cFileName, l, selectDir->d_name); */
+	l = fl_utf8fromwc(selectDir->d_name, dstlen, findw.cFileName, l);
+
+	selectDir->d_name[l] = 0;
+	if (findw.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
+		/* Append a trailing slash to directory names... */
+		strcat(selectDir->d_name, "/");
+	}
+	if (!select || (*select)(selectDir)) {
+		if (nDir==NDir) {
+	struct dirent **tempDir = (struct dirent **)calloc(sizeof(struct dirent*), (size_t)(NDir+33));
+	if (NDir) memcpy(tempDir, dir, sizeof(struct dirent*)*NDir);
+	if (dir) free(dir);
+	dir = tempDir;
+	NDir += 32;
+		}
+		dir[nDir] = selectDir;
+		nDir++;
+		dir[nDir] = 0;
+	} else {
+		free(selectDir);
+	}
+   } while (FindNextFileW(h, &findw));
+  ret = GetLastError();
+  if (ret != ERROR_NO_MORE_FILES) {
+    /* don't return an error code, because the dir list may still be valid
+       up to this point */
+  }
+  FindClose(h);
+
+  free (findIn);
+
+  if (compar) qsort(dir, (size_t)nDir, sizeof(*dir),
+		    (int(*)(const void*, const void*))compar);
+
+  *namelist = dir;
+  return nDir;
+}
+
+#endif
+
+/*
+ * End of "$Id: scandir_win32.c 8347 2011-02-01 01:06:27Z greg.ercolano $".
+ */