BUG/MINOR: tools: Add OOM check for malloc() in indent_msg()

This patch adds a missing out-of-memory (OOM) check after
the call to `malloc()` in `indent_msg()`. If memory
allocation fails, the function returns NULL to prevent
undefined behavior.

Co-authored-by: Christian Norbert Menges <christian.norbert.menges@sap.com>

diff --git a/src/tools.c b/src/tools.c
index 4507564bce86ac34a40706fdc8a02f3f18e51904..1615ef2ae0341686cefa3ca5f1eaa9fd13cfb2a8 100644 (file)
--- a/src/tools.c
+++ b/src/tools.c
@@ -4689,6 +4689,8 @@ char *indent_msg(char **out, int level)
 
        needed = 1 + level * (lf + 1) + len + 1;
        p = ret = malloc(needed);
+       if (unlikely(!ret))
+               return NULL;
        in = *out;
 
        /* skip initial LFs */