OS-1840 fmdump shall emit JSON
Reviewed by: Robert Mustacchi <rm@joyent.com>

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
   */
  
  /*
   * Rendering functions for nvlist_prt that are of use to all types
   * of log.
*** 69,74 ****
--- 70,91 ----
          nvlist_prtctl_dofmt(pctl, NVLIST_FMT_MEMBER_NAME, name);
          (void) fprintf(fp, "%s", fmristr);
          topo_hdl_strfree(thp, fmristr);
  
          return (1);
+ }
+ 
+ /*
+  * Thin wrapper around libnvpair's inbuilt JSON routine.  Simply dumps the
+  * entire log record nvlist without any reformatting.
+  */
+ 
+ /*ARGSUSED*/
+ int
+ fmdump_print_json(fmd_log_t *lp, const fmd_log_record_t *rp, FILE *fp)
+ {
+         if (nvlist_print_json(fp, rp->rec_nvl) == 0 || fprintf(fp, "\n") < 0 ||
+             fflush(fp) != 0)
+                 return (-1);
+ 
+         return (0);
  }