X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8414a40c52191d4c7cfeea74df22d9d64cbec415..87b621a5b737c09cef079bb4a9ef53be132d2ce0:/src/tiff/libtiff/tif_swab.c

diff --git a/src/tiff/libtiff/tif_swab.c b/src/tiff/libtiff/tif_swab.c
index aad43df97c..9af87a4d4b 100644
--- a/src/tiff/libtiff/tif_swab.c
+++ b/src/tiff/libtiff/tif_swab.c
@@ -37,7 +37,7 @@ TIFFSwabShort(uint16* wp)
 {
 	register unsigned char* cp = (unsigned char*) wp;
 	unsigned char t;
-
+	assert(sizeof(uint16)==2);
 	t = cp[1]; cp[1] = cp[0]; cp[0] = t;
 }
 #endif
@@ -48,19 +48,33 @@ TIFFSwabLong(uint32* lp)
 {
 	register unsigned char* cp = (unsigned char*) lp;
 	unsigned char t;
-
+	assert(sizeof(uint32)==4);
 	t = cp[3]; cp[3] = cp[0]; cp[0] = t;
 	t = cp[2]; cp[2] = cp[1]; cp[1] = t;
 }
 #endif
 
+#ifndef TIFFSwabLong8
+void
+TIFFSwabLong8(uint64* lp)
+{
+	register unsigned char* cp = (unsigned char*) lp;
+	unsigned char t;
+	assert(sizeof(uint64)==8);
+	t = cp[7]; cp[7] = cp[0]; cp[0] = t;
+	t = cp[6]; cp[6] = cp[1]; cp[1] = t;
+	t = cp[5]; cp[5] = cp[2]; cp[2] = t;
+	t = cp[4]; cp[4] = cp[3]; cp[3] = t;
+}
+#endif
+
 #ifndef TIFFSwabArrayOfShort
 void
-TIFFSwabArrayOfShort(uint16* wp, register unsigned long n)
+TIFFSwabArrayOfShort(register uint16* wp, tmsize_t n)
 {
 	register unsigned char* cp;
 	register unsigned char t;
-
+	assert(sizeof(uint16)==2);
 	/* XXX unroll loop some */
 	while (n-- > 0) {
 		cp = (unsigned char*) wp;
@@ -72,7 +86,7 @@ TIFFSwabArrayOfShort(uint16* wp, register unsigned long n)
 
 #ifndef TIFFSwabArrayOfTriples
 void
-TIFFSwabArrayOfTriples(uint8* tp, unsigned long n)
+TIFFSwabArrayOfTriples(register uint8* tp, tmsize_t n)
 {
 	unsigned char* cp;
 	unsigned char t;
@@ -88,11 +102,11 @@ TIFFSwabArrayOfTriples(uint8* tp, unsigned long n)
 
 #ifndef TIFFSwabArrayOfLong
 void
-TIFFSwabArrayOfLong(register uint32* lp, register unsigned long n)
+TIFFSwabArrayOfLong(register uint32* lp, tmsize_t n)
 {
 	register unsigned char *cp;
 	register unsigned char t;
-
+	assert(sizeof(uint32)==4);
 	/* XXX unroll loop some */
 	while (n-- > 0) {
 		cp = (unsigned char *)lp;
@@ -103,30 +117,84 @@ TIFFSwabArrayOfLong(register uint32* lp, register unsigned long n)
 }
 #endif
 
+#ifndef TIFFSwabArrayOfLong8
+void
+TIFFSwabArrayOfLong8(register uint64* lp, tmsize_t n)
+{
+	register unsigned char *cp;
+	register unsigned char t;
+	assert(sizeof(uint64)==8);
+	/* XXX unroll loop some */
+	while (n-- > 0) {
+		cp = (unsigned char *)lp;
+		t = cp[7]; cp[7] = cp[0]; cp[0] = t;
+		t = cp[6]; cp[6] = cp[1]; cp[1] = t;
+		t = cp[5]; cp[5] = cp[2]; cp[2] = t;
+		t = cp[4]; cp[4] = cp[3]; cp[3] = t;
+		lp++;
+	}
+}
+#endif
+
+#ifndef TIFFSwabFloat
+void
+TIFFSwabFloat(float* fp)
+{
+	register unsigned char* cp = (unsigned char*) fp;
+	unsigned char t;
+	assert(sizeof(float)==4);
+	t = cp[3]; cp[3] = cp[0]; cp[0] = t;
+	t = cp[2]; cp[2] = cp[1]; cp[1] = t;
+}
+#endif
+
+#ifndef TIFFSwabArrayOfFloat
+void
+TIFFSwabArrayOfFloat(register float* fp, tmsize_t n)
+{
+	register unsigned char *cp;
+	register unsigned char t;
+	assert(sizeof(float)==4);
+	/* XXX unroll loop some */
+	while (n-- > 0) {
+		cp = (unsigned char *)fp;
+		t = cp[3]; cp[3] = cp[0]; cp[0] = t;
+		t = cp[2]; cp[2] = cp[1]; cp[1] = t;
+		fp++;
+	}
+}
+#endif
+
 #ifndef TIFFSwabDouble
 void
 TIFFSwabDouble(double *dp)
 {
-        register uint32* lp = (uint32*) dp;
-        uint32 t;
-
-	TIFFSwabArrayOfLong(lp, 2);
-	t = lp[0]; lp[0] = lp[1]; lp[1] = t;
+	register unsigned char* cp = (unsigned char*) dp;
+	unsigned char t;
+	assert(sizeof(double)==8);
+	t = cp[7]; cp[7] = cp[0]; cp[0] = t;
+	t = cp[6]; cp[6] = cp[1]; cp[1] = t;
+	t = cp[5]; cp[5] = cp[2]; cp[2] = t;
+	t = cp[4]; cp[4] = cp[3]; cp[3] = t;
 }
 #endif
 
 #ifndef TIFFSwabArrayOfDouble
 void
-TIFFSwabArrayOfDouble(double* dp, register unsigned long n)
+TIFFSwabArrayOfDouble(double* dp, tmsize_t n)
 {
-	register uint32* lp = (uint32*) dp;
-        register uint32 t;
-
-	TIFFSwabArrayOfLong(lp, n + n);
-        while (n-- > 0) {
-		t = lp[0]; lp[0] = lp[1]; lp[1] = t;
-                lp += 2;
-        }
+	register unsigned char *cp;
+	register unsigned char t;
+	assert(sizeof(double)==8);
+	/* XXX unroll loop some */
+	while (n-- > 0) {
+		cp = (unsigned char *)dp;
+		t = cp[7]; cp[7] = cp[0]; cp[0] = t;
+		t = cp[6]; cp[6] = cp[1]; cp[1] = t;
+		t = cp[5]; cp[5] = cp[2]; cp[2] = t;
+		t = cp[4]; cp[4] = cp[3]; cp[3] = t;
+		dp++;
+	}
 }
 #endif
 
@@ -215,7 +283,7 @@ TIFFGetBitRevTable(int reversed)
 }
 
 void
-TIFFReverseBits(register unsigned char* cp, register unsigned long n)
+TIFFReverseBits(uint8* cp, tmsize_t n)  
 {
 	for (; n > 8; n -= 8) {
 		cp[0] = TIFFBitRevTable[cp[0]];
@@ -233,3 +301,10 @@ TIFFReverseBits(register unsigned char* cp, register unsigned long n)
 }
 
 /* vim: set ts=8 sts=8 sw=8 noet: */
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */