utils: add new collection_copy() function

2 files changed, 9 insertions, 0 deletions

diff --git a/src/utils.c b/src/utils.c
index 5296332..9fa4d80 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -124,6 +124,14 @@ int collection_count(struct collection *col)
         return cnt;
 }
 
+void collection_copy(struct collection *dest, struct collection *src)
+{
+        if (!dest || !src) return;
+        dest->capacity = src->capacity;
+        dest->list = malloc(sizeof(void*) * src->capacity);
+        memcpy(dest->list, src->list, sizeof(void*) * src->capacity);
+}
+
 #ifndef HAVE_STPCPY
 /**
  * Copy characters from one string into another
diff --git a/src/utils.h b/src/utils.h
index 730fbad..67477b5 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -54,6 +54,7 @@ void collection_add(struct collection *col, void *element);
 void collection_remove(struct collection *col, void *element);
 int collection_count(struct collection *col);
 void collection_free(struct collection *col);
+void collection_copy(struct collection *dest, struct collection *src);
 
 #define MERGE_(a,b) a ## _ ## b
 #define LABEL_(a,b) MERGE_(a, b)