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| author | Mikael Magnusson <mikachu@gmail.com> | 2022-01-18 23:20:53 +0100 |
|---|---|---|
| committer | Mikael Magnusson <mikachu@gmail.com> | 2022-01-30 18:14:54 +0100 |
| commit | 8bf0f0cf45606971d1433b36ce21ab45f6226004 (patch) | |
| tree | daac95b637e6c878f0185dd25d029ca4649993ad /Src | |
| parent | 75c3664a62010dfae620d77930f8ea5aae78b602 (diff) | |
| download | zsh-8bf0f0cf45606971d1433b36ce21ab45f6226004.tar.gz zsh-8bf0f0cf45606971d1433b36ce21ab45f6226004.tar.xz zsh-8bf0f0cf45606971d1433b36ce21ab45f6226004.zip | |
49694 + doc: Allow using empty STTY= to freeze tty for a single command
Previously, doing this would just run stty with no arguments, which normally causes it to print some terminal settings to stdout.
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/exec.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Src/exec.c b/Src/exec.c index 1860a10ed..f67074846 100644 --- a/Src/exec.c +++ b/Src/exec.c @@ -684,8 +684,10 @@ execute(LinkList args, int flags, int defpath) /* If the parameter STTY is set in the command's environment, * * we first run the stty command with the value of this * - * parameter as it arguments. */ - if ((s = STTYval) && isatty(0) && (GETPGRP() == getpid())) { + * parameter as it arguments. If the parameter is empty, we * + * do nothing, but this causes the terminal settings to be * + * restored later which can be useful. */ + if ((s = STTYval) && *s && isatty(0) && (GETPGRP() == getpid())) { char *t = tricat("stty", " ", s); STTYval = 0; /* this prevents infinite recursion */ |