feat (UV): support env variables

kaloutsakis · Nov 19, 2023 · 63622b3 · 63622b3
1 parent e48c70c
commit 63622b3
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Showing 2 changed files with 38 additions and 8 deletions.
diff --git a/src/uv/CMakeLists.txt b/src/uv/CMakeLists.txt
@@ -22,4 +22,5 @@ target_link_libraries(binuv
 
 target_compile_options(binuv
     PRIVATE $<$<COMPILE_LANGUAGE:CXX>:-std=c++17>
+    PRIVATE $<$<COMPILE_LANGUAGE:C>:-std=c17>
 )
diff --git a/src/uv/main.c b/src/uv/main.c
@@ -2,42 +2,67 @@
 /**
  * @file           main.c
  * @author         Stelios Kaloutsakis (kaloutsakis@gmail.com)
- * @brief          
+ * @brief
  * @version        0.1.0
  * @date           2023-05-05
- * 
+ *
  * @copyright      Copyright (c) 2023
- * 
+ *
  */
 
 /**
- * @brief          Standard C Header Files      
+ * @brief          Standard C Header Files
  */
 #include <errno.h>
+#include <stdbool.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 /**
- * @brief          Platform Specific Header Files      
+ * @brief          Platform Specific Header Files
  */
 #include <unistd.h>
 
 /**
- * @brief          External Header Files      
+ * @brief          External Header Files
  */
 #include <uv.h>
 
 #include "ILogManager.h"
 
+#define WRAP(func)                                 \
+    do                                             \
+    {                                              \
+        uv_log_manager_info("Entering %s", #func); \
+        func;                                      \
+        uv_log_manager_info("Exiting  %s", #func); \
+    } while (false)
+
 #define RETURN(status) \
     return uv_log_manager_goodbye(), (status)
 
 #define RETURN2(level, status, format, ...) \
-    return uv_log_manager_ ## level(format, ##__VA_ARGS__), (status)
+    return uv_log_manager_##level(format, ##__VA_ARGS__), (status)
+
+inline const char *getenv_safe(const char *key)
+{
+    const char *value = getenv("NCORES");
 
-void wait_for_a_while(uv_idle_t* handle) {
+    return (NULL == value ? "UNDEFINED" : value);
+}
+
+inline int do_nothing(int a, int b)
+{
+    (void)a;
+    (void)b;
+
+    return (a + b);
+}
+
+void wait_for_a_while(uv_idle_t *handle)
+{
     static uint64_t counter = 0;
 
     if (!(counter % 100000))
@@ -48,7 +73,11 @@ void wait_for_a_while(uv_idle_t* handle) {
 
 int main(int argc, const char *argv[])
 {
+    int status;
+    WRAP((status = do_nothing(2, 3)));
+
     uv_log_manager_welcome();
+    uv_log_manager_info("NCORES = %s", getenv_safe("NCORES"));
 
     uv_idle_t idler;