[patch]file: xstrdup just 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/file/xmalloc.c,v
retrieving revision 1.1
diff -u -p -r1.1 xmalloc.c
--- xmalloc.c   24 Apr 2015 16:24:11 -0000      1.1
+++ xmalloc.c   17 Jun 2015 18:18:10 -0000
@@ -76,13 +76,10 @@ xfree(void *ptr)
 char *
 xstrdup(const char *str)
 {
-       size_t len;
        char *cp;
 
-       len = strlen(str) + 1;
-       cp = xmalloc(len);
-       if (strlcpy(cp, str, len) >= len)
-               errx(1, "xstrdup: string truncated");
+       if ((cp = strdup(str)) == NULL)
+               err(1, "xstrdup");
        return cp;
 }