[patch]diff: xstrdup wrappes strdup(3)

[Fritjof Bornebusch]

Hi tech@,

as requested by nicm@, xstrdup calls strdup(3) now.

Regards,
--F.


Index: xmalloc.c
===================================================================
RCS file: /cvs/src/usr.bin/diff/xmalloc.c,v
retrieving revision 1.6
diff -u -p -r1.6 xmalloc.c
--- xmalloc.c   29 Apr 2015 04:00:25 -0000      1.6
+++ xmalloc.c   17 Jun 2015 18:13:25 -0000
@@ -73,12 +73,10 @@ xfree(void *ptr)
 char *
 xstrdup(const char *str)
 {
-       size_t len;
        char *cp;
-
-       len = strlen(str) + 1;
-       cp = xmalloc(len);
-       strlcpy(cp, str, len);
+       
+       if ((cp = strdup(str)) == NULL)
+               err(1, "xstrdup");
        return cp;
 }