diff options
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/exec.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/Src/exec.c b/Src/exec.c index 8d26e604a..8ac66ede7 100644 --- a/Src/exec.c +++ b/Src/exec.c @@ -133,6 +133,7 @@ mod_export Funcstack funcstack; static LinkList args; static int doneps4; +static char *STTYval; /* Execution functions. */ @@ -444,7 +445,6 @@ void execute(Cmdnam not_used_yet, int dash) { Cmdnam cn; - static LinkList exargs; char buf[MAXCMDLEN], buf2[MAXCMDLEN]; char *s, *z, *arg0; char **argv, **pp; @@ -459,17 +459,19 @@ execute(Cmdnam not_used_yet, int dash) /* 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 (!exargs && (s = zgetenv("STTY")) && isatty(0) && - (GETPGRP() == getpid())) { - char *t; + if ((s = STTYval) && isatty(0) && (GETPGRP() == getpid())) { + LinkList exargs = args; + char *t = tricat("stty", " ", s); - exargs = args; /* this prevents infinite recursion */ + STTYval = 0; /* this prevents infinite recursion */ + zsfree(s); args = NULL; - t = tricat("stty", " ", s); execstring(t, 1, 0); zsfree(t); args = exargs; - exargs = NULL; + } else if (s) { + STTYval = 0; + zsfree(s); } cn = (Cmdnam) cmdnamtab->getnode(cmdnamtab, arg0); @@ -1537,6 +1539,10 @@ addvars(Estate state, Wordcode pc, int export) state->pc = opc; return; } + if (strcmp(name, "STTY") == 0) { + zsfree(STTYval); + STTYval = ztrdup(val); + } allexp = opts[ALLEXPORT]; opts[ALLEXPORT] = 1; pm = setsparam(name, val); @@ -2326,6 +2332,10 @@ execcmd(Estate state, int input, int output, int how, int last1) if (!forked) setlimits(NULL); #endif + if (how & Z_ASYNC) { + zsfree(STTYval); + STTYval = 0; + } execute((Cmdnam) hn, cflags & BINF_DASH); } else { /* ( ... ) */ DPUTS(varspc, |