Fix release build error.

Author: chrisant996

clink/lib/src/line_editor_impl.cpp

@@ -571,7 +571,7 @@ bool line_editor_impl::notify_matches_ready(int32 generation_id, matches* matche
         m_matches.transfer(static_cast<matches_impl&>(*matches));
         m_matches.done_building();
         clear_flag(flag_generate);
-        if (dbg_get_env_int("CLINK_LOG_GENERATORS"))
+        if (get_log_generators())
         {
             str<> tmp;
             int32 i = 0;
@@ -598,7 +598,7 @@ bool line_editor_impl::notify_matches_ready(int32 generation_id, matches* matche
         // newer generation id's autosuggest will have been canceled due to the
         // match generator coroutine that was already running, and which has
         // just now signaled its completion.
-        if (dbg_get_env_int("CLINK_LOG_GENERATORS"))
+        if (get_log_generators())
         {
             LOG("CLEAR MATCHES: matches gen %d vs editor gen %d", generation_id, m_matches_generation_id);
         }
@@ -1729,7 +1729,7 @@ void line_editor_impl::try_suggest()
             // cannot work with wildcards or substrings.
             rollback<int32> rb_completion_type(rl_completion_type, TAB);
 
-            if (dbg_get_env_int("CLINK_LOG_GENERATORS"))
+            if (get_log_generators())
             {
                 LOG("try_suggest, update_matches");
             }

clink/lib/src/match_pipeline.cpp

@@ -54,6 +54,15 @@ extern setting_bool g_match_wild;
 
 
 
+//------------------------------------------------------------------------------
+int32 get_log_generators()
+{
+    char tmp[32];
+    int32 len = GetEnvironmentVariableA("CLINK_LOG_GENERATORS", tmp, sizeof(tmp));
+    int32 val = (len > 0 && len < sizeof(tmp)) ? atoi(tmp) : 0;
+    return val;
+}
+
 //------------------------------------------------------------------------------
 static bool include_match_type(match_type type)
 {
@@ -335,7 +344,7 @@ void match_pipeline::generate(
 
     m_matches.done_building();
 
-    if (dbg_get_env_int("CLINK_LOG_GENERATORS"))
+    if (get_log_generators())
     {
         str<> tmp;
         int32 i = 0;

clink/lib/src/match_pipeline.h

@@ -25,3 +25,6 @@ class match_pipeline
 private:
     matches_impl&       m_matches;
 };
+
+//------------------------------------------------------------------------------
+int32 get_log_generators();