(sigchld_handler, status_message): Handle a NULL in sys_siglist.

diff --git a/src/process.c b/src/process.c
index c2785e75fc9c83a69c8aee9482d347c82531f3d3..25b0ef2c22ca560b27fd189ac055c84941f067d9 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -308,11 +308,18 @@ status_message (status)
 
   if (EQ (symbol, Qsignal) || EQ (symbol, Qstop))
     {
+      char *signame = 0;
+      if (code < NSIG)
+       {
 #ifndef VMS
-      string = build_string (code < NSIG ? sys_siglist[code] : "unknown");
+         signame = sys_siglist[code];
 #else
-      string = build_string (code < NSIG ? sys_errlist[code] : "unknown");
+         signame = sys_errlist[code];
 #endif
+       }
+      if (signame == 0)
+       signame = "unknown";
+      string = build_string (signame);
       string2 = build_string (coredump ? " (core dumped)\n" : "\n");
       XSTRING (string)->data[0] = DOWNCASE (XSTRING (string)->data[0]);
       return concat2 (string, string2);
@@ -2827,11 +2834,23 @@ sigchld_handler (signo)
          if (WIFEXITED (w))
            synch_process_retcode = WRETCODE (w);
          else if (WIFSIGNALED (w))
+           {
+             int code = WTERMSIG (w);
+             char *signame = 0;
+
+             if (code < NSIG)
+               {
 #ifndef VMS
-           synch_process_death = (char *) sys_siglist[WTERMSIG (w)];
+                 signame = sys_siglist[code];
 #else
-           synch_process_death = sys_errlist[WTERMSIG (w)];
+                 signame = sys_errlist[code];
 #endif
+               }
+             if (signame == 0)
+               signame = "unknown";
+
+             synch_process_death = signame;
+           }
 
          /* Tell wait_reading_process_input that it needs to wake up and
             look around.  */