diff --git a/examples/common/bgfx_utils.cpp b/examples/common/bgfx_utils.cpp
index f9116d1d1..3e32d7a82 100644
--- a/examples/common/bgfx_utils.cpp
+++ b/examples/common/bgfx_utils.cpp
@@ -39,7 +39,7 @@ void* load(bx::FileReaderI* _reader, bx::AllocatorI* _allocator, const bx::FileP
 	}
 	else
 	{
-		DBG("Failed to open: %s.", _filePath);
+		DBG("Failed to open: %s.", _filePath.getCPtr() );
 	}
 
 	if (NULL != _size)
@@ -72,7 +72,7 @@ static const bgfx::Memory* loadMem(bx::FileReaderI* _reader, const bx::FilePath&
 		return mem;
 	}
 
-	DBG("Failed to load %s.", _filePath);
+	DBG("Failed to load %s.", _filePath.getCPtr() );
 	return NULL;
 }
 
@@ -92,7 +92,7 @@ static void* loadMem(bx::FileReaderI* _reader, bx::AllocatorI* _allocator, const
 		return data;
 	}
 
-	DBG("Failed to load %s.", _filePath);
+	DBG("Failed to load %s.", _filePath.getCPtr() );
 	return NULL;
 }
 
diff --git a/examples/common/imgui/imgui.cpp b/examples/common/imgui/imgui.cpp
index da932cb71..231730594 100644
--- a/examples/common/imgui/imgui.cpp
+++ b/examples/common/imgui/imgui.cpp
@@ -566,8 +566,22 @@ BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC("-Wunused-function"); // warning: 'int re
 BX_PRAGMA_DIAGNOSTIC_PUSH();
 BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG("-Wunknown-pragmas")
 BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC("-Wtype-limits"); // warning: comparison is always true due to limited range of data type
-#define STBTT_malloc(_size, _userData) memAlloc(_size, _userData)
-#define STBTT_free(_ptr, _userData) memFree(_ptr, _userData)
+
+#define STBTT_ifloor(_a)   int32_t(bx::floor(_a) )
+#define STBTT_iceil(_a)    int32_t(bx::ceil(_a) )
+#define STBTT_sqrt(_a)     bx::sqrt(_a)
+#define STBTT_pow(_a, _b)  bx::pow(_a, _b)
+#define STBTT_fmod(_a, _b) bx::mod(_a, _b)
+#define STBTT_cos(_a)      bx::cos(_a)
+#define STBTT_acos(_a)     bx::acos(_a)
+#define STBTT_fabs(_a)     bx::abs(_a)
+#define STBTT_strlen(_str) bx::strLen(_str)
+
+#define STBTT_memcpy(_dst, _src, _numBytes) bx::memCopy(_dst, _src, _numBytes)
+#define STBTT_memset(_dst, _ch, _numBytes)  bx::memSet(_dst, _ch, _numBytes)
+#define STBTT_malloc(_size, _userData)      memAlloc(_size, _userData)
+#define STBTT_free(_ptr, _userData)         memFree(_ptr, _userData)
+
 #define STB_RECT_PACK_IMPLEMENTATION
 #include <stb/stb_rect_pack.h>
 #define STB_TRUETYPE_IMPLEMENTATION