vcpkg/ports/libaiff/allow_utf_16_filename.patch

diff --git a/libaiff.c b/libaiff.c
index d0ad40d..e266802 100644
--- a/libaiff.c
+++ b/libaiff.c
@@ -44,6 +44,8 @@ static struct decoder* decoders[] = {
 
 static AIFF_Ref AIFF_ReadOpen (const char *, int);
 static AIFF_Ref AIFF_WriteOpen (const char *, int);
+static AIFF_Ref AIFF_ReadOpenW (const wchar_t*, int);
+static AIFF_Ref AIFF_WriteOpenW (const wchar_t*, int);
 static void AIFF_ReadClose (AIFF_Ref);
 static int AIFF_WriteClose (AIFF_Ref);
 static void* InitBuffer (AIFF_Ref, size_t);
@@ -53,6 +55,21 @@ static int Prepare (AIFF_Ref);
 static void Unprepare (AIFF_Ref);
 static struct decoder* FindDecoder (IFFType);
 
+#ifdef _WIN32
+AIFF_Ref
+AIFF_OpenFileW(const wchar_t *file, int flags)
+{
+	AIFF_Ref ref = NULL;
+	
+	if (flags & F_RDONLY) {
+		ref = AIFF_ReadOpenW(file, flags);
+	} else if (flags & F_WRONLY) {
+		ref = AIFF_WriteOpenW(file, flags);
+	}
+
+	return ref;
+}
+#endif
 AIFF_Ref
 AIFF_OpenFile(const char *file, int flags)
 {
@@ -86,6 +103,76 @@ AIFF_CloseFile(AIFF_Ref ref)
 	return r;
 }
 
+#ifdef _WIN32
+static AIFF_Ref 
+AIFF_ReadOpenW(const wchar_t *file, int flags)
+{
+	AIFF_Ref r;
+	IFFHeader hdr;
+
+	r = malloc(kAIFFRefSize);
+	if (!r) {
+		return NULL;
+	}
+	r->fd = _wfopen(file, L"rb");
+	if (r->fd == NULL) {
+		free(r);
+		return NULL;
+	}
+	r->flags = F_RDONLY | flags;
+	if (fread(&hdr, 1, 4, r->fd) < 4) {
+		fclose(r->fd);
+		free(r);
+		return NULL;
+	}
+	switch (hdr.hid) {
+	case AIFF_TYPE_IFF:
+		/* Continue reading the IFF header */
+		if (fread(&(hdr.len), 1, 8, r->fd) < 8) {
+			fclose(r->fd);
+			free(r);
+			return NULL;
+		}
+		if (hdr.len == 0) {
+			fclose(r->fd);
+			free(r);
+			return NULL;
+		}
+		/*
+ 		 * Check the format type (AIFF or AIFC)
+ 		 */
+		r->format = hdr.fid;
+		switch (r->format) {
+		case AIFF_TYPE_AIFF:
+		case AIFF_TYPE_AIFC:
+			break;
+		default:
+			fclose(r->fd);
+			free(r);
+			return NULL;
+		}
+
+		if (init_aifx(r) < 1) {
+			fclose(r->fd);
+			free(r);
+			return NULL;
+		}
+		break;
+	default:
+		fclose(r->fd);
+		free(r);
+		return NULL;
+	}
+
+	r->stat = 0;
+	r->buffer = NULL;
+	r->buflen = 0;
+
+	return r;
+}
+
+#endif
+
 static AIFF_Ref 
 AIFF_ReadOpen(const char *file, int flags)
 {
@@ -450,6 +537,89 @@ AIFF_ReadClose(AIFF_Ref r)
 	return;
 }
 
+#ifdef WIN32
+static AIFF_Ref 
+AIFF_WriteOpenW(const wchar_t *file, int flags)
+{
+	AIFF_Ref w;
+	IFFHeader hdr;
+	ASSERT(sizeof(IFFHeader) == 12);
+	
+	w = malloc(kAIFFRefSize);
+	if (!w) {
+err0:
+		return NULL;
+	}
+
+	/*
+	 * Simultaneous open for reading & writing
+	 */
+	w->fd = _wfopen(file, L"w+b");
+	if (w->fd == NULL) {
+err1:
+		free(w);
+		goto err0;
+	}
+	hdr.hid = ARRANGE_BE32(AIFF_FORM);
+	w->len = 4;
+	hdr.len = ARRANGE_BE32(4);
+	if (flags & F_AIFC)
+		hdr.fid = ARRANGE_BE32(AIFF_AIFC);
+	else
+		hdr.fid = ARRANGE_BE32(AIFF_AIFF);
+
+	if (fwrite(&hdr, 1, 12, w->fd) < 12) {
+err2:
+		fclose(w->fd);
+		goto err1;
+	}
+	w->stat = 0;
+	w->segmentSize = 0;
+	w->buffer = NULL;
+	w->buflen = 0;
+	w->tics = 0;
+
+	/*
+	 * If writing AIFF-C, write the required FVER chunk
+	 */
+	if (flags & F_AIFC) {
+		IFFChunk chk;
+		uint32_t vers;
+		ASSERT(sizeof(IFFChunk) == 8);
+
+		chk.id = ARRANGE_BE32(AIFF_FVER);
+		chk.len = ARRANGE_BE32(4);
+		vers = ARRANGE_BE32(AIFC_STD_DRAFT_082691);
+
+		if (fwrite(&chk, 1, 8, w->fd) < 8 || 
+		    fwrite(&vers, 1, 4, w->fd) < 4) {
+			goto err2;
+		}
+
+		w->len += 12;
+
+		/*
+		 * If no endianness specified for AIFF-C,
+		 * default to big endian
+		 */
+		if (!(flags & (LPCM_LTE_ENDIAN | LPCM_BIG_ENDIAN))) {
+			flags |= LPCM_BIG_ENDIAN;
+		}
+	} else {
+		/*
+		 * If writing regular AIFF, make sure we
+		 * write big-endian data
+		 */
+		flags &= ~LPCM_LTE_ENDIAN;
+		flags |= LPCM_BIG_ENDIAN;
+	}
+
+	w->flags = F_WRONLY | flags;
+
+	return w;
+}
+#endif
+
 static AIFF_Ref 
 AIFF_WriteOpen(const char *file, int flags)
 {
diff --git a/libaiff/libaiff.h b/libaiff/libaiff.h
index 56fc77f..e1940a5 100644
--- a/libaiff/libaiff.h
+++ b/libaiff/libaiff.h
@@ -165,6 +165,7 @@ typedef struct s_Instrument Instrument ;
 
 /* == Function prototypes == */
 AIFF_Ref AIFF_OpenFile(const char *, int) ;
+AIFF_Ref AIFF_OpenFileW(const wchar_t *, int) ;
 int AIFF_CloseFile(AIFF_Ref) ;
 char* AIFF_GetAttribute(AIFF_Ref,IFFType) ;
 int AIFF_GetInstrumentData(AIFF_Ref,Instrument*) ;