mem: Add a `realloc` pointer to the memory handler

1 files changed, 14 insertions, 0 deletions

diff --git a/src/cmark.c b/src/cmark.c
index 3491199..d5fef63 100644
--- a/src/cmark.c
+++ b/src/cmark.c
@@ -10,6 +10,20 @@ int cmark_version() { return CMARK_VERSION; }
 
 const char *cmark_version_string() { return CMARK_VERSION_STRING; }
 
+static void *xcalloc(size_t nmem, size_t size) {
+  void *ptr = calloc(nmem, size);
+  if (!ptr) abort();
+  return ptr;
+}
+
+static void *xrealloc(void *ptr, size_t size) {
+  void *new_ptr = realloc(ptr, size);
+  if (!new_ptr) abort();
+  return new_ptr;
+}
+
+cmark_mem DEFAULT_MEM_ALLOCATOR = { xcalloc, xrealloc, free };
+
 char *cmark_markdown_to_html(const char *text, size_t len, int options) {
   cmark_node *doc;
   char *result;