diff options
-rw-r--r-- | ChangeLog | 6 | ||||
-rw-r--r-- | Src/signals.c | 14 |
2 files changed, 19 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 9b69e96ce..b61cf897f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2004-11-23 Peter Stephenson <pws@csr.com> + + * 20576: Src/signals.c: 20572 caused core dump when + trying to run a signal where the function had already + been removed. + 2004-11-22 Peter Stephenson <pws@csr.com> * 20572: Doc/Zsh/builtins.yo, Src/builtin.c, Src/exec.c, diff --git a/Src/signals.c b/Src/signals.c index 9959d3c31..785ff159e 100644 --- a/Src/signals.c +++ b/Src/signals.c @@ -1010,7 +1010,19 @@ dotrapargs(int sig, int *sigtr, void *sigfn) HashNode hn = gettrapnode(sig, 0); args = znewlinklist(); - name = ztrdup(hn->nam); + /* + * In case of multiple names, try to get + * a hint of the name in use from the function table. + * In special cases, e.g. EXIT traps, the function + * has already been removed. Then it's OK to + * use the standard name. + */ + if (hn) { + name = ztrdup(hn->nam); + } else { + name = (char *) zalloc(5 + strlen(sigs[sig])); + sprintf(name, "TRAP%s", sigs[sig]); + } zaddlinknode(args, name); sprintf(num, "%d", sig); zaddlinknode(args, num); |