diff options
Diffstat (limited to 'bin/sh/eval.c')
| -rw-r--r-- | bin/sh/eval.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/bin/sh/eval.c b/bin/sh/eval.c index bf96c2f..38282d4 100644 --- a/bin/sh/eval.c +++ b/bin/sh/eval.c @@ -479,16 +479,14 @@ evalpipe(union node *n) if (forkshell(jp, lp->n, n->npipe.backgnd) == 0) { INTON; if (prevfd > 0) { - close(0); - copyfd(prevfd, 0); + dup2(prevfd, 0); close(prevfd); } if (pip[1] >= 0) { if (!(prevfd >= 0 && pip[0] == 0)) close(pip[0]); if (pip[1] != 1) { - close(1); - copyfd(pip[1], 1); + dup2(pip[1], 1); close(pip[1]); } } @@ -545,8 +543,7 @@ evalbackcmd(union node *n, struct backcmd *result) FORCEINTON; close(pip[0]); if (pip[1] != 1) { - close(1); - copyfd(pip[1], 1); + dup2(pip[1], 1); close(pip[1]); } evaltree(n, EV_EXIT); @@ -742,8 +739,7 @@ evalcommand(union node *cmd, int flags, struct backcmd *backcmd) FORCEINTON; close(pip[0]); if (pip[1] != 1) { - close(1); - copyfd(pip[1], 1); + dup2(pip[1], 1); close(pip[1]); } } |
