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-rw-r--r--indra/llcommon/llerror.cpp8
-rw-r--r--indra/llcommon/llerror.h9
2 files changed, 11 insertions, 6 deletions
diff --git a/indra/llcommon/llerror.cpp b/indra/llcommon/llerror.cpp
index 4bf4827119..2d4898f7be 100644
--- a/indra/llcommon/llerror.cpp
+++ b/indra/llcommon/llerror.cpp
@@ -664,10 +664,10 @@ namespace
// console log. It's generally considered bad form to spam too much
// there.
- // If stdin is a tty, assume the user launched from the command line and
- // therefore wants to see stderr. Otherwise, assume we've been launched
- // from the finder and shouldn't spam stderr.
- return isatty(0);
+ // If stderr is a tty, assume the user launched from the command line or
+ // debugger and therefore wants to see stderr. Otherwise, assume we've
+ // been launched from the finder and shouldn't spam stderr.
+ return isatty(STDERR_FILENO);
#else
return true;
#endif
diff --git a/indra/llcommon/llerror.h b/indra/llcommon/llerror.h
index 0a78229555..9613911531 100644
--- a/indra/llcommon/llerror.h
+++ b/indra/llcommon/llerror.h
@@ -381,8 +381,13 @@ typedef LLError::NoClassInfo _LL_CLASS_TO_LOG;
#define LL_WARNS(...) lllog(LLError::LEVEL_WARN, false, ##__VA_ARGS__)
#define LL_ERRS(...) lllog(LLError::LEVEL_ERROR, false, ##__VA_ARGS__)
// alternative to llassert_always that prints explanatory message
-#define LL_WARNS_IF(exp, ...) if (exp) LL_WARNS(##__VA_ARGS__) << "(" #exp ")"
-#define LL_ERRS_IF(exp, ...) if (exp) LL_ERRS(##__VA_ARGS__) << "(" #exp ")"
+// note ## token paste operator hack used above will only work in gcc following
+// a comma and is completely unnecessary in VS since the comma is automatically
+// suppressed
+// https://gcc.gnu.org/onlinedocs/cpp/Variadic-Macros.html
+// https://docs.microsoft.com/en-us/cpp/preprocessor/variadic-macros?view=vs-2015
+#define LL_WARNS_IF(exp, ...) if (exp) LL_WARNS(__VA_ARGS__) << "(" #exp ")"
+#define LL_ERRS_IF(exp, ...) if (exp) LL_ERRS(__VA_ARGS__) << "(" #exp ")"
// Only print the log message once (good for warnings or infos that would otherwise
// spam the log file over and over, such as tighter loops).