Add support for PROJ_AUX_DB environment variable to set the path to one or several auxiliary DBs

1 files changed, 6 insertions, 3 deletions

diff --git a/src/ctx.cpp b/src/ctx.cpp
index 097633ae..cc9df6c3 100644
--- a/src/ctx.cpp
+++ b/src/ctx.cpp
@@ -91,13 +91,16 @@ pj_ctx pj_ctx::createDefault()
     ctx.logger = pj_stderr_logger;
     NS_PROJ::FileManager::fillDefaultNetworkInterface(&ctx);
 
-    if( getenv("PROJ_DEBUG") != nullptr )
+    const char* projDebug = getenv("PROJ_DEBUG");
+    if( projDebug != nullptr )
     {
-        if( atoi(getenv("PROJ_DEBUG")) >= -PJ_LOG_TRACE )
-            ctx.debug_level = atoi(getenv("PROJ_DEBUG"));
+        const int debugLevel = atoi(projDebug);
+        if( debugLevel >= -PJ_LOG_TRACE )
+            ctx.debug_level = debugLevel;
         else
             ctx.debug_level = PJ_LOG_TRACE;
     }
+
     return ctx;
 }