Improve code structure […]

- create a dedicated "usage" macro to reuse
- add various checks in the case no memory is available
- fix cwd fetching check
- correctly free json_objects to remove all existing leaks

1 files changed, 1 insertions, 0 deletions

diff --git a/src/common.h b/src/common.h
index 8b9d95b..54882df 100644
--- a/src/common.h
+++ b/src/common.h
@@ -11,6 +11,7 @@
 
 #define USER_AGENT NAME "/" VERSION
 
+#define USAGE_STR "Usage: " NAME
 
 struct MemoryStruct {
  	uint8_t* memory;