Adjust in response to jan.h.d's comments.

[bpt/emacs.git] / src / termcap.c

diff --git a/src/termcap.c b/src/termcap.c
index 791c593..6f24817 100644 (file)
--- a/src/termcap.c
+++ b/src/termcap.c
@@ -637,13 +637,10 @@ gobble_line (int fd, register struct termcap_buffer *bufp, char *append_end)
            {
              ptrdiff_t ptr_offset = bufp->ptr - buf;
              ptrdiff_t append_end_offset = append_end - buf;
-             ptrdiff_t size;
-             if ((min (PTRDIFF_MAX, SIZE_MAX) - 1) / 2 < bufp->size)
-               memory_full (SIZE_MAX);
-             size = 2 * bufp->size;
              /* Add 1 to size to ensure room for terminating null.  */
-             bufp->beg = buf = (char *) xrealloc (buf, size + 1);
-             bufp->size = size;
+             ptrdiff_t size = bufp->size + 1;
+             bufp->beg = buf = xpalloc (buf, &size, 1, -1, 1);
+             bufp->size = size - 1;
              bufp->ptr = buf + ptr_offset;
              append_end = buf + append_end_offset;
            }