Simplify bignum->intmax conversion

* src/lisp.h (integer_to_intmax, integer_to_uintmax): New functions.
* src/data.c (cons_to_unsigned, cons_to_signed)
(arith_driver):
* src/dbusbind.c (xd_extract_signed, xd_extract_unsigned):
* src/dispnew.c (sit_for):
* src/editfns.c (styled_format):
* src/emacs-module.c (module_extract_integer):
* src/fileio.c (file_offset):
* src/font.c (font_unparse_xlfd, Fopen_font):
* src/xdisp.c (calc_line_height_property):
* src/process.c (handle_child_signal):

1 files changed, 3 insertions, 2 deletions

diff --git a/src/process.c b/src/process.c
index 9d03eb9774d..454278a5a27 100644
--- a/src/process.c
+++ b/src/process.c
@@ -7055,8 +7055,9 @@ handle_child_signal (int sig)
       xpid = XCAR (head);
       if (all_pids_are_fixnums ? FIXNUMP (xpid) : INTEGERP (xpid))
         {
-          pid_t deleted_pid = (FIXNUMP (xpid) ? XFIXNUM (xpid)
-                               : bignum_to_intmax (xpid));
+          intmax_t deleted_pid;
+          bool ok = integer_to_intmax (xpid, &deleted_pid);
+          eassert (ok);
           if (child_status_changed (deleted_pid, 0, 0))
             {
               if (STRINGP (XCDR (head)))