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ash: fix segfault in ash.

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patch by walter harms <wharms@bfs.de>
This commit is contained in:
Denis Vlasenko 2006-10-16 01:33:16 +00:00
parent d0e70af9d1
commit 5f03158f66
1 changed files with 5 additions and 1 deletions
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6
shell/ash.c
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@ -3042,6 +3042,7 @@ expredir(union node *n)
for (redir = n ; redir ; redir = redir->nfile.next) { for (redir = n ; redir ; redir = redir->nfile.next) {
struct arglist fn; struct arglist fn;
memset(&fn, 0, sizeof(struct arglist));
fn.lastp = &fn.list; fn.lastp = &fn.list;
switch (redir->type) { switch (redir->type) {
case NFROMTO: case NFROMTO:
@ -3056,7 +3057,10 @@ expredir(union node *n)
case NTOFD: case NTOFD:
if (redir->ndup.vname) { if (redir->ndup.vname) {
expandarg(redir->ndup.vname, &fn, EXP_FULL | EXP_TILDE); expandarg(redir->ndup.vname, &fn, EXP_FULL | EXP_TILDE);
fixredir(redir, fn.list->text, 1); if (fn.list != NULL)
fixredir(redir, fn.list->text, 1);
else
sh_error("redir error");
} }
break; break;
} }