diff --git a/src/fontstash.h b/src/fontstash.h
index 44e7331..e96fbbc 100644
--- a/src/fontstash.h
+++ b/src/fontstash.h
@@ -202,7 +202,7 @@ int fons__tt_buildGlyphBitmap(FONSttFontImpl *font, int glyph, float size, float
 	ftError = FT_Get_Advance(font->font, glyph, FT_LOAD_NO_SCALE, (FT_Fixed*)advance);
 	if (ftError) return 0;
 	ftGlyph = font->font->glyph;
-	*lsb = ftGlyph->metrics.horiBearingX;
+	*lsb = (int)ftGlyph->metrics.horiBearingX;
 	*x0 = ftGlyph->bitmap_left;
 	*x1 = *x0 + ftGlyph->bitmap.width;
 	*y0 = -ftGlyph->bitmap_top;
@@ -233,7 +233,7 @@ int fons__tt_getGlyphKernAdvance(FONSttFontImpl *font, int glyph1, int glyph2)
 {
 	FT_Vector ftKerning;
 	FT_Get_Kerning(font->font, glyph1, glyph2, FT_KERNING_DEFAULT, &ftKerning);
-	return ftKerning.x;
+	return (int)ftKerning.x;
 }
 
 #else
@@ -421,6 +421,8 @@ struct FONScontext
 	void* errorUptr;
 };
 
+#ifdef STB_TRUETYPE_IMPLEMENTATION
+
 static void* fons__tmpalloc(size_t size, void* up)
 {
 	unsigned char* ptr;
@@ -446,6 +448,8 @@ static void fons__tmpfree(void* ptr, void* up)
 	// empty
 }
 
+#endif // STB_TRUETYPE_IMPLEMENTATION
+
 // Copyright (c) 2008-2010 Bjoern Hoehrmann <bjoern@hoehrmann.de>
 // See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details.
 
diff --git a/src/nanovg.c b/src/nanovg.c
index 56eb37b..370dbf0 100644
--- a/src/nanovg.c
+++ b/src/nanovg.c
@@ -386,7 +386,7 @@ NVGcolor nvgLerpRGBA(NVGcolor c0, NVGcolor c1, float u)
 {
 	int i;
 	float oneminu;
-	NVGcolor cint;
+	NVGcolor cint = {0};
 
 	u = nvg__clampf(u, 0.0f, 1.0f);
 	oneminu = 1.0f - u;