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-rw-r--r--ChangeLog4
-rw-r--r--Src/builtin.c17
2 files changed, 20 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 2dce207dc..742e7d716 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2022-06-09 Bart Schaefer <schaefer@zsh.org>
+
+ * 50351: Src/builtin.c: "functions -c" can set signal traps
+
2022-06-09 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
* 50342: Src/jobs.c, Test/A05execution.ztst: fix test added by
diff --git a/Src/builtin.c b/Src/builtin.c
index 1cef7cce8..7f00d9d29 100644
--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -3274,6 +3274,7 @@ bin_functions(char *name, char **argv, Options ops, int func)
if (OPT_ISSET(ops,'c')) {
Shfunc newsh;
+ char *s = argv[1];
if (!*argv || !argv[1] || argv[2]) {
zwarnnam(name, "-c: requires two arguments");
return 1;
@@ -3305,7 +3306,21 @@ bin_functions(char *name, char **argv, Options ops, int func)
newsh->redir->nref++;
if (shf->sticky)
newsh->sticky = sticky_emulation_dup(sticky, 0);
- shfunctab->addnode(shfunctab, ztrdup(argv[1]), &newsh->node);
+ /* is newsh a signal trap? (adapted from exec.c) */
+ if (!strncmp(s, "TRAP", 4)) {
+ int signum = getsignum(s + 4);
+ if (signum != -1) {
+ if (settrap(signum, NULL, ZSIG_FUNC)) {
+ freeeprog(newsh->funcdef);
+ dircache_set(&newsh->filename, NULL);
+ zfree(newsh, sizeof(*newsh));
+ return 1;
+ }
+ /* Remove any old node explicitly */
+ removetrapnode(signum);
+ }
+ }
+ shfunctab->addnode(shfunctab, ztrdup(s), &newsh->node);
return 0;
}