PR libfortran/23419

	* io/write.c (extract_int): Use memcpy to access buffer.
	(extract_uint): Ditto.
	(extract_real): Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104000 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 8cc1a03..8b2bb62 100644 (file)
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,10 @@
+2005-09-07  Steve Ellcey  <sje@cup.hp.com>
+
+       PR libfortran/23419
+       * io/write.c (extract_int): Use memcpy to access buffer.
+       (extract_uint): Ditto.
+       (extract_real): Ditto.
+
 2005-09-05  Thomas Koenig  <Thomas.Koenig@online.de>
 
        * io/list_read.c:  Adjust size of of value to 32 (to hold

diff --git a/libgfortran/io/write.c b/libgfortran/io/write.c
index 74d0f9f..da9feb3 100644 (file)
--- a/libgfortran/io/write.c
+++ b/libgfortran/io/write.c
@@ -79,20 +79,40 @@ extract_int (const void *p, int len)
   switch (len)
     {
     case 1:
-      i = *((const GFC_INTEGER_1 *) p);
+      {
+       GFC_INTEGER_1 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
     case 2:
-      i = *((const GFC_INTEGER_2 *) p);
+      {
+       GFC_INTEGER_2 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
     case 4:
-      i = *((const GFC_INTEGER_4 *) p);
+      {
+       GFC_INTEGER_4 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
     case 8:
-      i = *((const GFC_INTEGER_8 *) p);
+      {
+       GFC_INTEGER_8 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
 #ifdef HAVE_GFC_INTEGER_16
     case 16:
-      i = *((const GFC_INTEGER_16 *) p);
+      {
+       GFC_INTEGER_16 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
 #endif
     default:
@@ -113,20 +133,40 @@ extract_uint (const void *p, int len)
   switch (len)
     {
     case 1:
-      i = (GFC_UINTEGER_1) *((const GFC_INTEGER_1 *) p);
+      {
+       GFC_INTEGER_1 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = (GFC_UINTEGER_1) tmp;
+      }
       break;
     case 2:
-      i = (GFC_UINTEGER_2) *((const GFC_INTEGER_2 *) p);
+      {
+       GFC_INTEGER_2 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = (GFC_UINTEGER_2) tmp;
+      }
       break;
     case 4:
-      i = (GFC_UINTEGER_4) *((const GFC_INTEGER_4 *) p);
+      {
+       GFC_INTEGER_4 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = (GFC_UINTEGER_4) tmp;
+      }
       break;
     case 8:
-      i = (GFC_UINTEGER_8) *((const GFC_INTEGER_8 *) p);
+      {
+       GFC_INTEGER_8 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = (GFC_UINTEGER_8) tmp;
+      }
       break;
 #ifdef HAVE_GFC_INTEGER_16
     case 16:
-      i = (GFC_UINTEGER_16) *((const GFC_INTEGER_16 *) p);
+      {
+       GFC_INTEGER_16 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = (GFC_UINTEGER_16) tmp;
+      }
       break;
 #endif
     default:
@@ -143,19 +183,35 @@ extract_real (const void *p, int len)
   switch (len)
     {
     case 4:
-      i = *((const GFC_REAL_4 *) p);
+      {
+       GFC_REAL_4 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
     case 8:
-      i = *((const GFC_REAL_8 *) p);
+      {
+       GFC_REAL_8 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
 #ifdef HAVE_GFC_REAL_10
     case 10:
-      i = *((const GFC_REAL_10 *) p);
+      {
+       GFC_REAL_10 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
 #endif
 #ifdef HAVE_GFC_REAL_16
     case 16:
-      i = *((const GFC_REAL_16 *) p);
+      {
+       GFC_REAL_16 tmp;
+       memcpy ((void *) &tmp, p, len);
+       i = tmp;
+      }
       break;
 #endif
     default: