diff options
| -rw-r--r-- | shell/ash.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/shell/ash.c b/shell/ash.c index dc0f607..dc26bc1 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -1951,7 +1951,6 @@ struct redirtab; struct globals_var { struct shparam shellparam; /* $@ current positional parameters */ struct redirtab *redirlist; - int g_nullredirs; int preverrout_fd; /* save fd2 before print debug if xflag is set. */ struct var *vartab[VTABSIZE]; struct var varinit[ARRAY_SIZE(varinit_data)]; @@ -1960,7 +1959,6 @@ extern struct globals_var *const ash_ptr_to_globals_var; #define G_var (*ash_ptr_to_globals_var) #define shellparam (G_var.shellparam ) //#define redirlist (G_var.redirlist ) -#define g_nullredirs (G_var.g_nullredirs ) #define preverrout_fd (G_var.preverrout_fd) #define vartab (G_var.vartab ) #define varinit (G_var.varinit ) @@ -5216,7 +5214,6 @@ struct two_fd_t { }; struct redirtab { struct redirtab *next; - int nullredirs; int pair_count; struct two_fd_t two_fd[]; }; @@ -5295,7 +5292,6 @@ redirect(union node *redir, int flags) int newfd; int copied_fd2 = -1; - g_nullredirs++; if (!redir) { return; } @@ -5317,8 +5313,6 @@ redirect(union node *redir, int flags) sv->next = redirlist; sv->pair_count = sv_pos; redirlist = sv; - sv->nullredirs = g_nullredirs - 1; - g_nullredirs = 0; while (sv_pos > 0) { sv_pos--; sv->two_fd[sv_pos].orig = sv->two_fd[sv_pos].copy = EMPTY; @@ -5430,7 +5424,7 @@ popredir(int drop, int restore) struct redirtab *rp; int i; - if (--g_nullredirs >= 0 || redirlist == NULL) + if (redirlist == NULL) return; INT_OFF; rp = redirlist; @@ -5452,7 +5446,6 @@ popredir(int drop, int restore) } } redirlist = rp->next; - g_nullredirs = rp->nullredirs; free(rp); INT_ON; } @@ -5467,12 +5460,8 @@ popredir(int drop, int restore) static void clearredir(int drop) { - for (;;) { - g_nullredirs = 0; - if (!redirlist) - break; + while (redirlist) popredir(drop, /*restore:*/ 0); - } } static int @@ -8573,7 +8562,8 @@ evaltree(union node *n, int flags) if (!status) { status = evaltree(n->nredir.n, flags & EV_TESTED); } - popredir(/*drop:*/ 0, /*restore:*/ 0 /* not sure */); + if (n->nredir.redirect) + popredir(/*drop:*/ 0, /*restore:*/ 0 /* not sure */); goto setstatus; case NCMD: evalfn = evalcommand; @@ -9645,7 +9635,8 @@ evalcommand(union node *cmd, int flags) } /* switch */ out: - popredir(/*drop:*/ cmd_is_exec, /*restore:*/ cmd_is_exec); + if (cmd->ncmd.redirect) + popredir(/*drop:*/ cmd_is_exec, /*restore:*/ cmd_is_exec); if (lastarg) { /* dsl: I think this is intended to be used to support * '_' in 'vi' command mode during line editing... |