Use readdir by default (fixes #41)

Add windows unicode test
Update .gitignore for VS2015

samples/.gitignore

@@ -32,6 +32,7 @@ Win32/
 *.vcxproj.user
 *.vcxproj
 *.vcxproj.filters
+*.VC.*
 *.sln
 
 # Linux

tests/.gitignore

@@ -33,6 +33,7 @@ Win32/
 *.vcxproj.user
 *.vcxproj
 *.vcxproj.filters
+*.VC.*
 *.sln
 
 # Linux
@@ -41,3 +42,6 @@ Makefile
 # OS X
 CMakeScripts/
 *.xcodeproj
+
+# Test files
+*.tmp

tests/CMakeLists.txt

@@ -25,6 +25,14 @@ endif()
 # Add tests
 enable_testing()
 
+add_library(util util.c util.h)
+
 add_executable(file_open_test file_open_test.c)
-target_link_libraries(file_open_test cbehave)
+target_link_libraries(file_open_test util cbehave)
 add_test(NAME file_open_test COMMAND file_open_test)
+
+if(MSVC)
+add_executable(windows_unicode_test windows_unicode_test.c)
+target_link_libraries(windows_unicode_test cbehave)
+add_test(NAME windows_unicode_test COMMAND windows_unicode_test)
+endif()

tests/file_open_test.c

@@ -2,27 +2,8 @@
 
 #include <tinydir.h>
 #include "cbehave.h"
+#include "util.h"
 
-static void make_temp_file(const char *prefix, char *out)
-{
-#ifdef _MSC_VER
-	if (GetTempFileName(".", prefix, 0, out) != 0)
-	{
-		// Strip the ".\\" prefix
-		if (strncmp(out, ".\\", 2) == 0)
-		{
-			memmove(out, out + 2, strlen(out));
-		}
-		// Create file
-		fclose(fopen(out, "w"));
-	}
-#else
-	#include <stdlib.h>
-	#include <unistd.h>
-	sprintf(out, "%sXXXXXX", prefix);
-	close(mkstemp(out));
-#endif
-}
 
 FEATURE(file_open, "File open")
 	SCENARIO("Open file in current directory")

tests/util.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
+
+void make_temp_file(const char *prefix, char *out)
+{
+#ifdef _MSC_VER
+	if (GetTempFileName(".", prefix, 0, out) != 0)
+	{
+		// Strip the ".\\" prefix
+		if (strncmp(out, ".\\", 2) == 0)
+		{
+			memmove(out, out + 2, strlen(out));
+		}
+		// Create file
+		fclose(fopen(out, "w"));
+	}
+#else
+	#include <stdlib.h>
+	#include <unistd.h>
+	sprintf(out, "%sXXXXXX", prefix);
+	close(mkstemp(out));
+#endif
+}

tests/util.h

@@ -0,0 +1,3 @@
+#pragma once
+
+void make_temp_file(const char *prefix, char *out);

tests/windows_unicode_test.c

@@ -0,0 +1,55 @@
+#include <stdio.h>
+
+#define UNICODE
+#include <tinydir.h>
+#include "cbehave.h"
+
+
+#define TEST_PATH L"windows_unicode_test"
+#define TEST_PATH_A "windows_unicode_test"
+
+void make_temp_file_utf16(const wchar_t *prefix, wchar_t *out)
+{
+	if (GetTempFileNameW(TEST_PATH, prefix, 0, out) != 0)
+	{
+		// Create file
+		fclose(_wfopen(out, L"w"));
+		// Strip the ".\\" prefix
+		if (wcsncmp(out, TEST_PATH L"\\", wcslen(TEST_PATH) + 1) == 0)
+		{
+			memmove(out, out + wcslen(TEST_PATH) + 1, wcslen(out));
+		}
+	}
+}
+
+FEATURE(windows_unicode, "Windows Unicode")
+	SCENARIO("Open directory with unicode file names")
+		GIVEN("a directory with unicode file names")
+			CreateDirectoryW(TEST_PATH, NULL);
+			wchar_t name[4096];
+			make_temp_file_utf16(L"t📁", name);
+		WHEN("we open the directory")
+			tinydir_dir dir;
+			int r = tinydir_open(&dir, TEST_PATH);
+		THEN("the result should be successful")
+			SHOULD_INT_EQUAL(r, 0);
+		AND("iterating it, we should find the file")
+			bool found = false;
+			while (dir.has_next)
+			{
+				tinydir_file file;
+				tinydir_readfile(&dir, &file);
+				if (wcscmp((wchar_t *)file.name, name) == 0)
+				{
+					found = true;
+				}
+				tinydir_next(&dir);
+			}
+			SHOULD_BE_TRUE(found);
+		tinydir_close(&dir);
+		_wremove(name);
+		RemoveDirectoryW(TEST_PATH);
+	SCENARIO_END
+FEATURE_END
+
+CBEHAVE_RUN("Windows unicode:", TEST_FEATURE(windows_unicode))

tinydir.h

@@ -115,6 +115,9 @@ extern "C" {
 # define _TINYDIR_FUNC static inline
 #endif
 
+/* readdir_r usage; define TINYDIR_USE_READDIR_R to use it (if supported) */
+#ifdef TINYDIR_USE_READDIR_R
+
 /* readdir_r is a POSIX-only function, and may not be available under various
  * environments/settings, e.g. MinGW. Use readdir fallback */
 #if _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _BSD_SOURCE || _SVID_SOURCE ||\
@@ -139,6 +142,8 @@ extern "C" {
 # define _TINYDIR_USE_READDIR
 #endif
 
+#endif
+
 /* MINGW32 has two versions of dirent, ASCII and UNICODE*/
 #ifndef _MSC_VER
 #if (defined __MINGW32__) && (defined _UNICODE)