fix strict aliasing issues

Patch by Przemysław Iskra (#3805)

git-svn-id: svn://svn.icculus.org/quake3/trunk@1481 edf5b092-35ff-0310-97b2-ce42778d08ea

2 files changed, 12 insertions, 5 deletions

diff --git a/code/tools/lcc/src/bytecode.c b/code/tools/lcc/src/bytecode.c
index b267d6f..871056a 100644
--- a/code/tools/lcc/src/bytecode.c
+++ b/code/tools/lcc/src/bytecode.c
@@ -40,8 +40,9 @@ static void I(defconst)(int suffix, int size, Value v) {
 	case P: print("byte %d %U\n", size, (unsigned long)v.p); return;
 	case F:
 		if (size == 4) {
-			float f = v.d;
-			print("byte 4 %u\n", *(unsigned *)&f);
+			floatint_t fi;
+			fi.f = v.d;
+			print("byte 4 %u\n", fi.ui);
 		} else {
 			unsigned *p = (unsigned *)&v.d;
 			print("byte 4 %u\n", p[swap]);
@@ -67,10 +68,10 @@ static void I(defsymbol)(Symbol p) {
 		case P: p->x.name = stringf("%U", p->u.c.v.p); break;
 		case F:
 			{	// JDC: added this to get inline floats
-				unsigned temp;
+				floatint_t temp;
 
-				*(float *)&temp = p->u.c.v.d;
-				p->x.name = stringf("%U", temp );
+				temp.f = p->u.c.v.d;
+				p->x.name = stringf("%U", temp.ui );
 			}
 			break;// JDC: added this
 		default: assert(0);
diff --git a/code/tools/lcc/src/c.h b/code/tools/lcc/src/c.h
index e36380e..68c8f62 100644
--- a/code/tools/lcc/src/c.h
+++ b/code/tools/lcc/src/c.h
@@ -98,6 +98,12 @@ typedef struct {
 	void *xt;
 } Xtype;
 
+typedef union {
+	float f;
+	int i;
+	unsigned int ui;
+} floatint_t;
+
 #include "config.h"
 typedef struct metrics {
 	unsigned char size, align, outofline;