exit with erno+1, because otherwise exit status is 0 with array bound error

diff --git a/lang/m2/libm2/catch.c b/lang/m2/libm2/catch.c
index 1fd5cf8..76e8181 100644 (file)
--- a/lang/m2/libm2/catch.c
+++ b/lang/m2/libm2/catch.c
@@ -88,12 +88,12 @@ catch(trapno)
                signal(__signo, SIG_DFL);
                _cleanup();
                kill(getpid(), __signo);
-               _exit(trapno);
+               _exit(trapno+1);
        }
 #endif
        if (trapno != M2_FORCH) {
                _cleanup();
-               _exit(trapno);
+               _exit(trapno+1);
        }
        SIG(catch);
 }

diff --git a/lang/pc/libpc/catch.c b/lang/pc/libpc/catch.c
index d100633..5396b4c 100644 (file)
--- a/lang/pc/libpc/catch.c
+++ b/lang/pc/libpc/catch.c
@@ -148,7 +148,7 @@ _catch(erno) unsigned erno; {
                if (_write(2,q,(int)(p-q)) < 0)
                        ;
        }
-       _exit(erno);
+       _exit(erno+1);
 error:
        _trp(erno);
 }