Remove unused utf8 -> utf16 conversion code

src/win32/utf-conv.c

@@ -8,68 +8,6 @@
 #include "common.h"
 #include "utf-conv.h"
 
-#define U16_LEAD(c) (wchar_t)(((c)>>10)+0xd7c0)
-#define U16_TRAIL(c) (wchar_t)(((c)&0x3ff)|0xdc00)
-
-#if 0
-void git__utf8_to_16(wchar_t *dest, size_t length, const char *src)
-{
-	wchar_t *pDest = dest;
-	uint32_t ch;
-	const uint8_t* pSrc = (uint8_t*) src;
-
-	assert(dest && src && length);
-
-	length--;
-
-	while(*pSrc && length > 0) {
-		ch = *pSrc++;
-		length--;
-
-		if(ch < 0xc0) {
-			/*
-			 * ASCII, or a trail byte in lead position which is treated like
-			 * a single-byte sequence for better character boundary
-			 * resynchronization after illegal sequences.
-			 */
-			*pDest++ = (wchar_t)ch;
-			continue;
-		} else if(ch < 0xe0) { /* U+0080..U+07FF */
-			if (pSrc[0]) {
-				/* 0x3080 = (0xc0 << 6) + 0x80 */
-				*pDest++ = (wchar_t)((ch << 6) + *pSrc++ - 0x3080);
-				continue;
-			}
-		} else if(ch < 0xf0) { /* U+0800..U+FFFF */
-			if (pSrc[0] && pSrc[1]) {
-				/* no need for (ch & 0xf) because the upper bits are truncated after <<12 in the cast to (UChar) */
-				/* 0x2080 = (0x80 << 6) + 0x80 */
-				ch = (ch << 12) + (*pSrc++ << 6);
-				*pDest++ = (wchar_t)(ch + *pSrc++ - 0x2080);
-				continue;
-			}
-		} else /* f0..f4 */ { /* U+10000..U+10FFFF */
-			if (length >= 1 && pSrc[0] && pSrc[1] && pSrc[2]) {
-				/* 0x3c82080 = (0xf0 << 18) + (0x80 << 12) + (0x80 << 6) + 0x80 */
-				ch = (ch << 18) + (*pSrc++ << 12);
-				ch += *pSrc++ << 6;
-				ch += *pSrc++ - 0x3c82080;
-				*(pDest++) = U16_LEAD(ch);
-				*(pDest++) = U16_TRAIL(ch);
-				length--; /* two bytes for this character */
-				continue;
-			}
-		}
-
-		/* truncated character at the end */
-		*pDest++ = 0xfffd;
-		break;
-	}
-
-	*pDest++ = 0x0;
-}
-#endif
-
 int git__utf8_to_16(wchar_t * dest, size_t dest_size, const char *src)
 {
 	return MultiByteToWideChar(CP_UTF8, 0, src, -1, dest, (int)dest_size);