ssl/libcrypto/src/crypto/lpdir_win.c
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/lpdir_win.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,155 @@
+/* $LP: LPlib/source/LPdir_win.c,v 1.10 2004/08/26 13:36:05 _cvs_levitte Exp $ */
+/*
+ * Copyright (c) 2004, Richard Levitte <richard@levitte.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <windows.h>
+#include <tchar.h>
+#ifndef LPDIR_H
+#include "LPdir.h"
+#endif
+
+/* We're most likely overcautious here, but let's reserve for
+    broken WinCE headers and explicitly opt for UNICODE call.
+    Keep in mind that our WinCE builds are compiled with -DUNICODE
+    [as well as -D_UNICODE]. */
+#if defined(LP_SYS_WINCE) && !defined(FindFirstFile)
+# define FindFirstFile FindFirstFileW
+#endif
+#if defined(LP_SYS_WINCE) && !defined(FindFirstFile)
+# define FindNextFile FindNextFileW
+#endif
+
+#ifndef NAME_MAX
+#define NAME_MAX 255
+#endif
+
+struct LP_dir_context_st
+{
+  WIN32_FIND_DATA ctx;
+  HANDLE handle;
+  char entry_name[NAME_MAX+1];
+};
+
+const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory)
+{
+  struct dirent *direntry = NULL;
+
+  if (ctx == NULL || directory == NULL)
+    {
+      errno = EINVAL;
+      return 0;
+    }
+
+  errno = 0;
+  if (*ctx == NULL)
+    {
+      *ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX));
+      if (*ctx == NULL)
+	{
+	  errno = ENOMEM;
+	  return 0;
+	}
+      memset(*ctx, '\0', sizeof(LP_DIR_CTX));
+
+      if (sizeof(TCHAR) != sizeof(char))
+	{
+	  TCHAR *wdir = NULL;
+	  /* len_0 denotes string length *with* trailing 0 */ 
+	  size_t index = 0,len_0 = strlen(directory) + 1;
+
+	  wdir = (TCHAR *)malloc(len_0 * sizeof(TCHAR));
+	  if (wdir == NULL)
+	    {
+	      free(*ctx);
+	      *ctx = NULL;
+	      errno = ENOMEM;
+	      return 0;
+	    }
+
+#ifdef LP_MULTIBYTE_AVAILABLE
+	  if (!MultiByteToWideChar(CP_ACP, 0, directory, len_0, (WCHAR *)wdir, len_0))
+#endif
+	    for (index = 0; index < len_0; index++)
+	      wdir[index] = (TCHAR)directory[index];
+
+	  (*ctx)->handle = FindFirstFile(wdir, &(*ctx)->ctx);
+
+	  free(wdir);
+	}
+      else
+	(*ctx)->handle = FindFirstFile((TCHAR *)directory, &(*ctx)->ctx);
+
+      if ((*ctx)->handle == INVALID_HANDLE_VALUE)
+	{
+	  free(*ctx);
+	  *ctx = NULL;
+	  errno = EINVAL;
+	  return 0;
+	}
+    }
+  else
+    {
+      if (FindNextFile((*ctx)->handle, &(*ctx)->ctx) == FALSE)
+	{
+	  return 0;
+	}
+    }
+
+  if (sizeof(TCHAR) != sizeof(char))
+    {
+      TCHAR *wdir = (*ctx)->ctx.cFileName;
+      size_t index, len_0 = 0;
+
+      while (wdir[len_0] && len_0 < (sizeof((*ctx)->entry_name) - 1)) len_0++;
+      len_0++;
+
+#ifdef LP_MULTIBYTE_AVAILABLE
+      if (!WideCharToMultiByte(CP_ACP, 0, (WCHAR *)wdir, len_0, (*ctx)->entry_name,
+			       sizeof((*ctx)->entry_name), NULL, 0))
+#endif
+	for (index = 0; index < len_0; index++)
+	  (*ctx)->entry_name[index] = (char)wdir[index];
+    }
+  else
+    strncpy((*ctx)->entry_name, (const char *)(*ctx)->ctx.cFileName,
+	    sizeof((*ctx)->entry_name)-1);
+
+  (*ctx)->entry_name[sizeof((*ctx)->entry_name)-1] = '\0';
+
+  return (*ctx)->entry_name;
+}
+
+int LP_find_file_end(LP_DIR_CTX **ctx)
+{
+  if (ctx != NULL && *ctx != NULL)
+    {
+      FindClose((*ctx)->handle);
+      free(*ctx);
+      *ctx = NULL;
+      return 1;
+    }
+  errno = EINVAL;
+  return 0;
+}