1 files changed, 33 insertions, 0 deletions
diff --git a/util.c b/util.c
new file mode 100644
index 0000000..ebd264c
--- /dev/null
+++ b/util.c
@@ -0,0 +1,33 @@
+#include "util.h"
+
+char *alloc_new_str_s(char *str, size_t size)
+{
+    char *ret = NULL;
+
+    if (str == NULL)
+    {
+        return NULL;
+    }
+
+    //1MB is enought
+    if (size > (1024*1024))
+    {
+        return NULL;
+    }
+
+    ret = malloc(size+1); //extra for 1 zero at then end
+    if (ret == NULL)
+    {
+        return NULL;
+    }
+
+    memcpy(ret, str, size);
+    ret[size] = 0; //add zero at the end
+
+    return ret;
+}
+
+char *alloc_new_str(char *str)
+{
+    return alloc_new_str_s(str, strlen(str));
+}