* target.c (target_read_memory_partial): Always initialize

	ERR.
	(target_write_memory_partial): Likewise.

2 files changed, 47 insertions, 5 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 31d5950..8ba4745 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2005-03-04  Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* target.c (target_read_memory_partial): Always initialize
+	ERR.
+	(target_write_memory_partial): Likewise.
+
 2005-03-03  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* remote.c (remote_open_1): Call observer_notify_inferior_created.
diff --git a/gdb/target.c b/gdb/target.c
index c008bfc..e2bb96d 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -1,7 +1,7 @@
 /* Select target systems and architectures at runtime for GDB.
 
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
    Contributed by Cygnus Support.
 
@@ -1249,8 +1249,26 @@ int
 target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
 {
   if (target_xfer_partial_p ())
-    return target_xfer_partial (target_stack, TARGET_OBJECT_MEMORY, NULL,
-				buf, NULL, memaddr, len);
+    {
+      int retval;
+
+      retval = target_xfer_partial (target_stack, TARGET_OBJECT_MEMORY,
+				    NULL, buf, NULL, memaddr, len);
+
+      if (retval <= 0)
+	{
+	  if (errno)
+	    *err = errno;
+	  else
+	    *err = EIO;
+	  return -1;
+	}
+      else
+	{
+	  *err = 0;
+	  return retval;
+	}
+    }
   else
     return target_xfer_memory_partial (memaddr, buf, len, 0, err);
 }
@@ -1259,8 +1277,26 @@ int
 target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
 {
   if (target_xfer_partial_p ())
-    return target_xfer_partial (target_stack, TARGET_OBJECT_MEMORY, NULL,
-				NULL, buf, memaddr, len);
+    {
+      int retval;
+
+      retval = target_xfer_partial (target_stack, TARGET_OBJECT_MEMORY,
+				    NULL, NULL, buf, memaddr, len);
+
+      if (retval <= 0)
+	{
+	  if (errno)
+	    *err = errno;
+	  else
+	    *err = EIO;
+	  return -1;
+	}
+      else
+	{
+	  *err = 0;
+	  return retval;
+	}
+    }
   else
     return target_xfer_memory_partial (memaddr, buf, len, 1, err);
 }