Merge pull request #18648 from jamessan/coverity-fixes

1 files changed, 69 insertions, 0 deletions

diff --git a/src/coverity-model.c b/src/coverity-model.c
index 2fd55c332c..4338b75ea2 100644
--- a/src/coverity-model.c
+++ b/src/coverity-model.c
@@ -42,3 +42,72 @@ int tv_dict_add(dict_T *const d, dictitem_T *const item)
 {
   __coverity_escape__(item);
 }
+
+void *malloc(size_t size)
+{
+  int has_mem;
+  if (has_mem)
+    return __coverity_alloc__(size);
+  else
+    return 0;
+}
+
+void *try_malloc(size_t size)
+{
+  size_t allocated_size = size ? size : 1;
+  return malloc(allocated_size);
+}
+
+void *xmalloc(size_t size)
+{
+  void *p = malloc(size);
+  if (!p)
+    __coverity_panic__();
+  return p;
+}
+
+void xfree(void * ptr)
+{
+  __coverity_free__(ptr);
+}
+
+void *xcalloc(size_t count, size_t size)
+{
+  size_t allocated_count = count && size ? count : 1;
+  size_t allocated_size = count && size ? size : 1;
+  void *p = try_malloc(allocated_count * allocated_size);
+  if (!p)
+    __coverity_panic__();
+  __coverity_writeall0__(p);
+  return p;
+}
+
+void *xrealloc(void *ptr, size_t size)
+{
+  __coverity_escape__(ptr);
+  void * p = xmalloc(size);
+  __coverity_writeall__(p);
+  return p;
+}
+
+void *xmallocz(size_t size)
+{
+  void * p = malloc(size + 1);
+  ((char*)p)[size] = 0;
+  return p;
+}
+
+void * xmemdupz(const void * data, size_t len)
+{
+  void * p = xmallocz(len);
+  __coverity_writeall__(p);
+  ((char*)p)[len] = 0;
+  return p;
+}
+
+void * xmemdup(const void *data, size_t len)
+{
+  void * p = xmalloc(len);
+  __coverity_writeall__(p);
+  return p;
+}