add result style error handling

1 files changed, 7 insertions, 0 deletions

diff --git a/src/utils.h b/src/utils.h
index 2381385..5f7c0ff 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -5,9 +5,16 @@
 
 struct allocator;
 
+struct result {
+    void *value;
+    const char* errmsg;
+};
+
 struct allocator * new_allocator();
 void delete_allocator(struct allocator * allocator);
 
 void* allocate(struct allocator * allocator, size_t size);
 
+char* safe_sprintf(struct allocator *alct, const char* format, ...);
+
 #endif // FVM_UTILS_H_