diff options
| -rw-r--r-- | src/nvim/undo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/nvim/undo.c b/src/nvim/undo.c index 4d4e8d9bb9..83c171d66a 100644 --- a/src/nvim/undo.c +++ b/src/nvim/undo.c @@ -76,6 +76,7 @@ #include <inttypes.h> #include <limits.h> #include <stdbool.h> +#include <stdint.h> #include <string.h> #include <fcntl.h> @@ -1400,7 +1401,9 @@ void u_read_undo(char *name, char_u *hash, char_u *orig_name) // sequence numbers of the headers. // When there are no headers uhp_table is NULL. if (num_head > 0) { - uhp_table = xmalloc((size_t)num_head * sizeof(u_header_T *)); + if ((size_t)num_head < SIZE_MAX / sizeof(*uhp_table)) { + uhp_table = xmalloc((size_t)num_head * sizeof(*uhp_table)); + } } long num_read_uhps = 0; |