Updating a bit the reading/writing subfunctions.

1 files changed, 107 insertions, 16 deletions

diff --git a/lib/Handle.cc b/lib/Handle.cc
index 81c72e7..7124c38 100644
--- a/lib/Handle.cc
+++ b/lib/Handle.cc
@@ -31,7 +31,6 @@
 
 #include "generic.h"
 
-#if defined WORDS_BIGENDIAN
 #if defined HAVE_BYTESWAP_H
 #include <byteswap.h>
 #else
@@ -42,7 +41,20 @@ inline Uint16 bswap_16(Uint16 w) {
 inline Uint32 bswap_32(Uint32 w) {
     return (w >> 24) | ((w >> 8) & 0x0000ff00) | ((w << 8) & 0x00ff0000) | (w << 24);
 }
-#endif
+
+inline Uint64 bswap_64(Uint64 w) {
+    union {
+        Uint64 v;
+        struct { Uint32 v1, v2; };
+    } x;
+    Uint32 v1, v2;
+    x.v = w;
+    v1 = bswap32(x.v1);
+    v2 = bswap32(x.v2);
+    x.v1 = v2;
+    x.v2 = v1;
+    return x.v;
+}
 #endif
 
 #ifdef HAVE_UNISTD_H
@@ -503,6 +515,12 @@ Uint8 Handle::readU8() {
     return r;
 }
 
+int8 Handle::read8() {
+    int8 r = 0;
+    read(&r, 1);
+    return r;
+}
+
 Uint16 Handle::readU16() {
     Uint16 r = 0;
     read(&r, 2);
@@ -513,6 +531,16 @@ Uint16 Handle::readU16() {
 #endif
 }
 
+int16 Handle::read16() {
+    int16 r = 0;
+    read(&r, 2);
+#ifdef WORDS_BIGENDIAN
+    return (int16)bswap_16((Uint16)r);
+#else
+    return r;
+#endif
+}
+
 Uint32 Handle::readU32() {
     Uint32 r = 0;
     read(&r, 4);
@@ -523,30 +551,54 @@ Uint32 Handle::readU32() {
 #endif
 }
 
-float Handle::readFloat() {
+int32 Handle::read32() {
+    int32 r = 0;
+    read(&r, 4);
 #ifdef WORDS_BIGENDIAN
-    Uint32 t = 0;
-    read(&t, 4);
-    t = bswap_32(t);
-    return *((float *)&t);
+    return (int32)bswap_32((Uint32)r);
+#else
+    return r;
+#endif
+}
+
+Uint64 Handle::readU64() {
+    Uint64 r = 0;
+    read(&r, 8);
+#ifdef WORDS_BIGENDIAN
+    return bswap_64(r);
+#else
+    return r;
+#endif
+}
+
+int64 Handle::read64() {
+    int64 r = 0;
+    read(&r, 8);
+#ifdef WORDS_BIGENDIAN
+    return (int64)bswap_64((Uint64)r);
 #else
+    return r;
+#endif
+}
+
+float Handle::readFloat() {
     float r = 0;
     read(&r, 4);
+#ifdef WORDS_BIGENDIAN
+    Uint32 t = bswap_32(*((Uint32 *)&r);
+    return *((float *)&t);
+#else
     return r;
 #endif
 }
 
 double Handle::readDouble() {
+    double r = 0;
+    read(&r, 8);
 #ifdef WORDS_BIGENDIAN
-    Uint32 t[3] = { 0, 0 };
-    read(t, 8);
-    t[2] = bswap_32(t[0]);
-    t[0] = bswap_32(t[1]);
-    t[1] = t[2];
+    Uint64 t = bswap_64(*((Uint64 *)&r);
     return *((double *)t);
 #else
-    double r = 0;
-    read(&r, 8);
     return r;
 #endif
 }
@@ -555,6 +607,10 @@ void Handle::writeU8(Uint8 v) {
     write(&v, 1);
 }
 
+void Handle::write8(int8 v) {
+    write(&v, 1);
+}
+
 void Handle::writeU16(Uint16 v) {
 #ifdef WORDS_BIGENDIAN
     Uint16 t = bswap_16(v);
@@ -564,6 +620,15 @@ void Handle::writeU16(Uint16 v) {
 #endif
 }
 
+void Handle::write16(int16 v) {
+#ifdef WORDS_BIGENDIAN
+    Uint16 t = bswap_16((Uint16)v);
+    write(&t, 2);
+#else
+    write(&v, 2);
+#endif
+}
+
 void Handle::writeU32(Uint32 v) {
 #ifdef WORDS_BIGENDIAN
     Uint32 t = bswap_32(v);
@@ -573,6 +638,33 @@ void Handle::writeU32(Uint32 v) {
 #endif
 }
 
+void Handle::write32(int32 v) {
+#ifdef WORDS_BIGENDIAN
+    Uint32 t = bswap_32((Uint32)v);
+    write(&t, 4);
+#else
+    write(&v, 4);
+#endif
+}
+
+void Handle::writeU64(Uint64 v) {
+#ifdef WORDS_BIGENDIAN
+    Uint64 t = bswap_64(v);
+    write(&t, 8);
+#else
+    write(&v, 8);
+#endif
+}
+
+void Handle::write64(int64 v) {
+#ifdef WORDS_BIGENDIAN
+    Uint64 t = bswap_64((Uint64)v);
+    write(&t, 8);
+#else
+    write(&v, 8);
+#endif
+}
+
 void Handle::writeFloat(float v) {
 #ifdef WORDS_BIGENDIAN
     writeU32(*((Uint32 *)&v));
@@ -583,8 +675,7 @@ void Handle::writeFloat(float v) {
 
 void Handle::writeDouble(double v) {
 #ifdef WORDS_BIGENDIAN
-    writeU32(*(((Uint32 *)&v) + 1));
-    writeU32(*(((Uint32 *)&v)));
+    writeU64(*(((Uint64 *)&v)));
 #else
     write(&v, 8);
 #endif