diff options
Diffstat (limited to 'Src/Modules/socket.c')
| -rw-r--r-- | Src/Modules/socket.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Src/Modules/socket.c b/Src/Modules/socket.c index 3a2c590a1..2f95a84d5 100644 --- a/Src/Modules/socket.c +++ b/Src/Modules/socket.c @@ -78,6 +78,11 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func)) OPT_ARG(ops, 'd'), 0); return 1; } + if (targetfd <= max_zsh_fd && fdtable[targetfd] != FDT_UNUSED) { + zwarnnam(nam, "file descriptor %d is in use by the shell", + NULL, targetfd); + return 1; + } } if (OPT_ISSET(ops,'l')) { |