diff options
Diffstat (limited to 'Src/Modules/zpty.c')
| -rw-r--r-- | Src/Modules/zpty.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Src/Modules/zpty.c b/Src/Modules/zpty.c index 4899f8e2e..16bec2bc9 100644 --- a/Src/Modules/zpty.c +++ b/Src/Modules/zpty.c @@ -401,6 +401,12 @@ newptycmd(char *nam, char *pname, char **args, int echo, int nblock) zexit(lastval, 0); } master = movefd(master); + if (master == -1) { + zerrnam(nam, "cannot duplicate fd %d: %e", master, errno); + scriptname = oscriptname; + ineval = oineval; + return 1; + } p = (Ptycmd) zalloc(sizeof(*p)); @@ -423,6 +429,7 @@ newptycmd(char *nam, char *pname, char **args, int echo, int nblock) scriptname = oscriptname; ineval = oineval; + return 0; } |