src/cli/babeltrace2-log-level.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2019 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #ifndef CLI_BABELTRACE_LOG_LEVEL_H
   8 #define CLI_BABELTRACE_LOG_LEVEL_H
   9
  10 #include <babeltrace2/babeltrace.h>
  11
  12 #define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
  13
  14 /*
  15  * Return the minimal (most verbose) log level between `a` and `b`.
  16  *
  17  * If one of the parameter has the value -1, it is ignored in the comparison
  18  * and the other value is returned.  If both parameters are -1, -1 is returned.
  19  */
  20 static inline
  21 int logging_level_min(int a, int b)
  22 {
  23         if (a == -1) {
  24                 return b;
  25         } else if (b == -1) {
  26                 return a;
  27         } else {
  28                 return MIN(a, b);
  29         }
  30 }
  31
  32 void set_auto_log_levels(int *logging_level);
  33
  34 #endif /* CLI_BABELTRACE_LOG_LEVEL_H */