* xmemdup.c, xstrdup.c: Expose the tail call.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97033 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 0ab2ec9..231bab3 100644 (file)
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+2005-03-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * xmemdup.c, xstrdup.c: Expose the tail call.
+
 2005-03-09  Mark Mitchell  <mark@codesourcery.com>
 
        * configure.ac (funcs): Add gettimeofday.

diff --git a/libiberty/xmemdup.c b/libiberty/xmemdup.c
index 9e9d66b..0dae37d 100644 (file)
--- a/libiberty/xmemdup.c
+++ b/libiberty/xmemdup.c
@@ -24,6 +24,10 @@ allocated, the remaining memory is zeroed.
 #include <sys/types.h> /* For size_t. */
 #ifdef HAVE_STRING_H
 #include <string.h>
+#else
+# ifdef HAVE_STRINGS_H
+#  include <strings.h>
+# endif
 #endif
 
 PTR
@@ -33,6 +37,5 @@ xmemdup (input, copy_size, alloc_size)
   size_t alloc_size;
 {
   PTR output = xcalloc (1, alloc_size);
-  memcpy (output, input, copy_size);
-  return output;
+  return (PTR) memcpy (output, input, copy_size);
 }

diff --git a/libiberty/xstrdup.c b/libiberty/xstrdup.c
index 5aa084a..5ddd2e9 100644 (file)
--- a/libiberty/xstrdup.c
+++ b/libiberty/xstrdup.c
@@ -19,6 +19,10 @@ obtain memory.
 #endif
 #ifdef HAVE_STRING_H
 #include <string.h>
+#else
+# ifdef HAVE_STRINGS_H
+#  include <strings.h>
+# endif
 #endif
 #include "ansidecl.h"
 #include "libiberty.h"
@@ -29,6 +33,5 @@ xstrdup (s)
 {
   register size_t len = strlen (s) + 1;
   register char *ret = xmalloc (len);
-  memcpy (ret, s, len);
-  return ret;
+  return (char *) memcpy (ret, s, len);
 }