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authorDenis Vlasenko <vda.linux@googlemail.com>2007-11-23 21:08:38 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2007-11-23 21:08:38 +0000
commitcccdc4e01abb354c50aa483a21d5ff56a18c0b4a (patch)
tree4290b391d3ea634a0393082c2233935bf5357afc /shell
parent835068637e81771a1b45b9faf04a31830f0e5d8a (diff)
downloadbusybox-cccdc4e01abb354c50aa483a21d5ff56a18c0b4a.tar.gz
hush: fix $ expansion in redirections, add testcase for that
Diffstat (limited to 'shell')
-rw-r--r--shell/README3
-rw-r--r--shell/hush.c11
-rw-r--r--shell/hush_test/hush-vars/var_expand_in_redir.right3
-rwxr-xr-xshell/hush_test/hush-vars/var_expand_in_redir.tests13
-rwxr-xr-xshell/hush_test/run-all1
5 files changed, 27 insertions, 4 deletions
diff --git a/shell/README b/shell/README
index b86f96cf4..f78ed9d18 100644
--- a/shell/README
+++ b/shell/README
@@ -1,5 +1,8 @@
Various bits of what is known about busybox shells, in no particular order.
+2007-11-23
+hush: fixed bogus glob handling; fixed exec <"$1"; added test and echo builtins
+
2007-06-13
hush: exec <"$1" doesn't do parameter subst
diff --git a/shell/hush.c b/shell/hush.c
index 04afbfd9a..912cbb5d9 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -1361,8 +1361,11 @@ static int setup_redirects(struct child_prog *prog, int squirrel[])
continue;
}
if (redir->dup == -1) {
+ char *p;
mode = redir_table[redir->type].mode;
- openfd = open_or_warn(redir->glob_word[0], mode);
+ p = expand_string_to_string(redir->glob_word[0]);
+ openfd = open_or_warn(p, mode);
+ free(p);
if (openfd < 0) {
/* this could get lost if stderr has been redirected, but
bash and ash both lose it as well (though zsh doesn't!) */
@@ -2579,7 +2582,7 @@ static int expand_vars_to_list(char **list, int n, char **posp, char *arg, char
}
} else
/* If or_mask is nonzero, we handle assignment 'a=....$@.....'
- * and in this case should theat it like '$*' */
+ * and in this case should treat it like '$*' - see 'else...' below */
if (first_ch == ('@'|0x80) && !or_mask) { /* quoted $@ */
while (1) {
strcpy(pos, global_argv[i]);
@@ -2593,10 +2596,10 @@ static int expand_vars_to_list(char **list, int n, char **posp, char *arg, char
list[n++] = pos;
}
} else { /* quoted $*: add as one word */
- while (1) {
+ if (global_argv[i]) while (1) {
strcpy(pos, global_argv[i]);
pos += strlen(global_argv[i]);
- if (++i >= global_argc)
+ if (!global_argv[++i])
break;
if (ifs[0])
*pos++ = ifs[0];
diff --git a/shell/hush_test/hush-vars/var_expand_in_redir.right b/shell/hush_test/hush-vars/var_expand_in_redir.right
new file mode 100644
index 000000000..423299c97
--- /dev/null
+++ b/shell/hush_test/hush-vars/var_expand_in_redir.right
@@ -0,0 +1,3 @@
+TEST1
+TEST2
+TEST3
diff --git a/shell/hush_test/hush-vars/var_expand_in_redir.tests b/shell/hush_test/hush-vars/var_expand_in_redir.tests
new file mode 100755
index 000000000..bda6bdd7f
--- /dev/null
+++ b/shell/hush_test/hush-vars/var_expand_in_redir.tests
@@ -0,0 +1,13 @@
+if test $# = 0; then
+ exec "$THIS_SH" "$0" abc "d e"
+fi
+
+echo TEST1 >"$1.out"
+echo TEST2 >"$2.out"
+# bash says: "$@.out": ambiguous redirect
+# ash handles it as if it is '$*' - we do the same
+echo TEST3 >"$@.out"
+
+cat abc.out "d e.out" "abc d e.out"
+
+rm abc.out "d e.out" "abc d e.out"
diff --git a/shell/hush_test/run-all b/shell/hush_test/run-all
index 0d40ae6df..c75d81e55 100755
--- a/shell/hush_test/run-all
+++ b/shell/hush_test/run-all
@@ -11,6 +11,7 @@ export THIS_SH
do_test()
{
test -d "$1" || return 0
+# echo Running tests in directory "$1"
(
cd "$1" || { echo "cannot cd $1!"; exit 1; }
for x in run-*; do