snprintf/core.c

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #include <usterr-signal-safe.h>
   8
   9 volatile enum ust_loglevel ust_loglevel;
  10
  11 void init_usterr(void)
  12 {
  13         char *ust_debug;
  14
  15         if (ust_loglevel == UST_LOGLEVEL_UNKNOWN) {
  16                 /*
  17                  * This getenv is not part of lttng_getenv() because it
  18                  * is required to print ERR() performed during getenv
  19                  * initialization.
  20                  */
  21                 ust_debug = getenv("LTTNG_UST_DEBUG");
  22                 if (ust_debug)
  23                         ust_loglevel = UST_LOGLEVEL_DEBUG;
  24                 else
  25                         ust_loglevel = UST_LOGLEVEL_NORMAL;
  26         }
  27 }