* Define and use xstrdup() instead of strdup().

1 files changed, 23 insertions, 0 deletions

diff --git a/misc.c b/misc.c
index 87694e2..505b186 100644
--- a/misc.c
+++ b/misc.c
@@ -378,6 +378,29 @@ xrealloc (ptr, size)
   return result;
 }
 
+
+const char *
+xstrdup (ptr)
+     const char *ptr;
+{
+  char *result;
+
+#ifdef HAVE_STRDUP
+  result = strdup (ptr);
+#else
+  result = (char *) malloc (strlen (ptr) + 1);
+#endif
+
+  if (result == 0)
+    fatal (NILF, "virtual memory exhausted");
+
+#ifdef HAVE_STRDUP
+  return result;
+#else
+  return strcpy(result, ptr);
+#endif
+}
+
 char *
 savestring (str, length)
      char *str;