Windows: fix bug that line buffering doesn't work properly

CHANGELOG.md

@@ -25,6 +25,7 @@ Logos:
 Bugfixes:
 * `--logo-type` now does accept `iterm` too (@CarterLi, #374)
 * Fix mintty terminal font detection
+* Fix bug that line buffering doesn't work properly (Windows)
 
 Other:
 * Fixed a Typo in iterm error message (@jessebot, #376)

CMakeLists.txt

@@ -645,7 +645,6 @@ if(ENABLE_THREADS)
     endif()
 endif()
 
-
 if(ENABLE_BUFFER)
     target_compile_definitions(libfastfetch PRIVATE FF_ENABLE_BUFFER)
 endif()
@@ -720,6 +719,11 @@ target_link_libraries(flashfetch
     PRIVATE libfastfetch
 )
 
+if(ENABLE_BUFFER) # FF_ENABLE_BUFFER is used in fastfetch.c
+    target_compile_definitions(fastfetch PRIVATE FF_ENABLE_BUFFER)
+    target_compile_definitions(flashfetch PRIVATE FF_ENABLE_BUFFER)
+endif()
+
 if(WIN32)
     set(TARGET_NAME fastfetch)
     target_sources(fastfetch

src/fastfetch.c

@@ -1482,6 +1482,10 @@ int main(int argc, const char** argv)
 
     ffStart(&instance);
 
+    #if defined(_WIN32) && defined(FF_ENABLE_BUFFER)
+        fflush(stdout);
+    #endif
+
     //Parse the structure and call the modules
     uint32_t startIndex = 0;
     while (startIndex < data.structure.length)