fix for win32

Author: pmq20

src/autoupdate.c

@@ -597,6 +597,7 @@ int autoupdate(
 	_wexeclp(L"cmd", L"cmd", L"/c", L"ping", L"127.0.0.1", L"-n", L"3", L">nul", L"&", L"del", selftmpf, NULL);
 	// we should never reach here
 	assert(0);
+	return 3;
 }
 
 #else

src/autoupdate_internal.h

@@ -38,10 +38,10 @@ wchar_t* autoupdate_tmpf(wchar_t *tmpdir, const char *ext_name);
 
 char* autoupdate_tmpdir();
 char* autoupdate_tmpf(char *tmpdir, const char *ext_name);
-int autoupdate_exepath(char* buffer, size_t* size);
 
 #endif // _WIN32
 
 short autoupdate_should_proceed();
+int autoupdate_exepath(char* buffer, size_t* size);
 
 #endif /* end of include guard: AUTOUPDATE_INTERNAL_H_A40E122A */

tests/main.c

@@ -5,10 +5,10 @@
  * For full terms see the included LICENSE file
  */
 
+#include "autoupdate.h"
+#include "autoupdate_internal.h"
+
 #include <limits.h>
-#ifdef __linux__
-#include <linux/limits.h>
-#endif
 #include <assert.h>
 #include <sys/stat.h>
 #include <stdint.h>
@@ -17,6 +17,14 @@
 #include <stdlib.h>
 #include <string.h>
 
+#ifdef _WIN32
+#include <Windows.h>
+#endif
+
+#ifdef __linux__
+#include <linux/limits.h>
+#endif
+
 #define EXPECT(condition) expect(condition, __FILE__, __LINE__)
 
 static void expect(short condition, const char *file, int line)
@@ -40,14 +48,18 @@ int main()
 	char* exec_path;
 
 	// test autoupdate_exepath
+#ifdef _WIN32
+	exec_path_len = 2 * MAX_PATH;
+#else
 	exec_path_len = 2 * PATH_MAX;
+#endif
 	exec_path = malloc(exec_path_len);
 	ret = autoupdate_exepath(exec_path, &exec_path_len);
 	EXPECT(0 == ret);
 
 	ret = stat(exec_path, &statbuf);
 	EXPECT(0 == ret);
-	EXPECT(S_ISREG(statbuf.st_mode));
+	EXPECT(S_IFREG == (S_IFMT & statbuf.st_mode));
 
 	return 0;
 }