This trivial function is in the public domain.
Ian Lance Taylor, Cygnus Support, December 1995. */
+/*
+
+@deftypefn Replacement char* xstrdup (const char *@var{s})
+
+Duplicates a character string without fail, using @code{xmalloc} to
+obtain memory.
+
+@end deftypefn
+
+*/
+
+#include <sys/types.h>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+# ifdef HAVE_STRINGS_H
+# include <strings.h>
+# endif
+#endif
#include "ansidecl.h"
#include "libiberty.h"
char *
-xstrdup (s)
- const char *s;
+xstrdup (const char *s)
{
- char *ret;
-
- ret = xmalloc (strlen (s) + 1);
- strcpy (ret, s);
- return ret;
+ register size_t len = strlen (s) + 1;
+ register char *ret = XNEWVEC (char, len);
+ return (char *) memcpy (ret, s, len);
}