fixed array initialisation bug

include/hex.hpp

@@ -31,6 +31,9 @@ namespace hv {
       {
 	int pos = (x & 0xFF) * 2;
 	char ch = lut[pos];
+#ifdef DEBUG
+	if ( (i*2+1) >=16) std::terminate();
+#endif
 	s[i * 2] = ch;
 
 	ch = lut[pos + 1];

src/hex.cpp

@@ -88,18 +88,20 @@ namespace hv {
 #define S
 #define P_EX(n, buf) print_exact(buf)
 #endif
-		char posbuf[3 + 16 + 2] = { '0' };
+		char posbuf[3 + 16 + 2];
 		posbuf[0] = '\n';
 		posbuf[1] = '0';
 		posbuf[2] = 'x';
-
+#ifdef DEBUG
+		std::memset(posbuf+3, '0', 16);
+#endif
 		posbuf[3 + 16] = ' ';
 		posbuf[3 + 16 + 1] = ' ';
 
 		u64_to_hex(offset, posbuf+3);
 		prints(posbuf+1);
 
-		char hxbuf[3] = { ' ' };
+		char hxbuf[3] = { ' ', ' ', ' ' };
 		std::size_t i=0;
 		char r_ascii[2 + ROW_SZ];
 		r_ascii[0] = ' ';
@@ -124,7 +126,7 @@ namespace hv {
 		{
 			auto rest = memsize % ROW_SZ;
 			ascii[rest] = 0;
-			constexpr const char output[3] = { ' ' };
+			constexpr const char output[3] = { ' ', ' ', ' ' };
 			for(std::size_t j=0;j< ROW_SZ - rest;j++)
 				print_exact(output);