Issue #40: Close file when it's no longer needed

1. __declspec(deprecated) is okay for MSVC
2. strcasecmp is POSIX-only, _stricmp should be used for MSVC

Co-authored-by: yyc12345 <yyc12321@outlook.com>

CMakeLists.txt

@@ -1,5 +1,5 @@
 ######## Project settings
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.5)
 include(CheckCCompilerFlag)
 set (PACKAGE_NAME uchardet)
 project (${PACKAGE_NAME} CXX C)

src/tools/uchardet.cpp

@@ -266,6 +266,7 @@ int main(int argc, char ** argv)
             printf("%s: ", filename);
         }
         detect(handle, f, show_lang, verbose);
+        fclose(f);
     }
 
     uchardet_delete(handle);

src/uchardet.h

@@ -59,7 +59,7 @@ extern "C" {
 #elif defined(__GNUC__) || defined(__clang__)
 #define DEPRECATED(message) __attribute__ ((deprecated))
 #elif defined(_MSC_VER)
-#define DEPRECATED(message) __declspec(deprecated) func
+#define DEPRECATED(message) __declspec(deprecated)
 #else
 #warning("DEPRECATED macro not available")
 #define DEPRECATED(message)

test/uchardet-tests.c

@@ -46,6 +46,10 @@
 
 #define BUFFER_SIZE 65536
 
+#ifdef _MSC_VER
+#define strcasecmp _stricmp
+#endif
+
 #if defined(_WIN32) || defined(__CYGWIN__)
 #define realpath(filename,unused) _fullpath(NULL, filename, 0)
 #define SEP '\\'