diff options
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/builtin.c | 4 | ||||
| -rw-r--r-- | Src/hashtable.c | 15 | ||||
| -rw-r--r-- | Src/signals.c | 22 |
3 files changed, 27 insertions, 14 deletions
diff --git a/Src/builtin.c b/Src/builtin.c index 79648561e..6d9fcd493 100644 --- a/Src/builtin.c +++ b/Src/builtin.c @@ -2592,12 +2592,14 @@ bin_unhash(char *name, char **argv, char *ops, int func) /* Take arguments literally -- do not glob */ for (; *argv; argv++) { + int ne = noerrs; if ((hn = ht->removenode(ht, *argv))) { ht->freenode(hn); } else { zwarnnam(name, "no such hash table element: %s", *argv, 0); - returnval = 1; + returnval |= !noerrs; } + noerrs = ne; } return returnval; } diff --git a/Src/hashtable.c b/Src/hashtable.c index b4c0a573b..3595c2721 100644 --- a/Src/hashtable.c +++ b/Src/hashtable.c @@ -788,12 +788,12 @@ removeshfuncnode(HashTable ht, char *nam) { HashNode hn; - if ((hn = removehashnode(shfunctab, nam))) { - if (!strncmp(hn->nam, "TRAP", 4)) - unsettrap(getsignum(hn->nam + 4)); - return hn; - } else - return NULL; + if (!strncmp(nam, "TRAP", 4)) + hn = removetrap(getsignum(nam + 4)); + else + hn = removehashnode(shfunctab, nam); + + return hn; } /* Disable an entry in the shell function hash table. * @@ -822,11 +822,10 @@ static void enableshfuncnode(HashNode hn, int flags) { Shfunc shf = (Shfunc) hn; - int signum; shf->flags &= ~DISABLED; if (!strncmp(shf->nam, "TRAP", 4)) { - signum = getsignum(shf->nam + 4); + int signum = getsignum(shf->nam + 4); if (signum != -1) { settrap(signum, shf->funcdef); sigtrapped[signum] |= ZSIG_FUNC; diff --git a/Src/signals.c b/Src/signals.c index 0518b1927..891ea1143 100644 --- a/Src/signals.c +++ b/Src/signals.c @@ -670,6 +670,7 @@ dosavetrap(int sig, int level) st->list = sigfuncs[sig]; sigfuncs[sig] = NULL; } + noerrs = !!st->list; if (!savetraps) savetraps = znewlinklist(); /* @@ -726,11 +727,22 @@ settrap(int sig, Eprog l) void unsettrap(int sig) { + int ne = noerrs; + HashNode hn = removetrap(sig); + noerrs = ne; + if (hn) + shfunctab->freenode(hn); +} + +/**/ +HashNode +removetrap(int sig) +{ int trapped; if (sig == -1 || (jobbing && (sig == SIGTTOU || sig == SIGTSTP || sig == SIGTTIN))) - return; + return NULL; trapped = sigtrapped[sig]; /* @@ -743,7 +755,7 @@ unsettrap(int sig) dosavetrap(sig, locallevel); if (!trapped) - return; + return NULL; sigtrapped[sig] = 0; if (sig == SIGINT && interact) { @@ -769,19 +781,19 @@ unsettrap(int sig) */ if (trapped & ZSIG_FUNC) { char func[20]; - HashNode hn; sprintf(func, "TRAP%s", sigs[sig]); /* * As in dosavetrap(), don't call removeshfuncnode() because * that calls back into unsettrap(); */ - if ((hn = removehashnode(shfunctab, func))) - shfunctab->freenode(hn); + return removehashnode(shfunctab, func); } else if (sigfuncs[sig]) { freeeprog(sigfuncs[sig]); sigfuncs[sig] = NULL; } + + return NULL; } /**/ |