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hush: fix $ expansion in redirections, add testcase for that
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@ -1,5 +1,8 @@
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Various bits of what is known about busybox shells, in no particular order.
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2007-11-23
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hush: fixed bogus glob handling; fixed exec <"$1"; added test and echo builtins
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2007-06-13
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hush: exec <"$1" doesn't do parameter subst
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11
shell/hush.c
11
shell/hush.c
@ -1361,8 +1361,11 @@ static int setup_redirects(struct child_prog *prog, int squirrel[])
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continue;
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}
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if (redir->dup == -1) {
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char *p;
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mode = redir_table[redir->type].mode;
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openfd = open_or_warn(redir->glob_word[0], mode);
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p = expand_string_to_string(redir->glob_word[0]);
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openfd = open_or_warn(p, mode);
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free(p);
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if (openfd < 0) {
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/* this could get lost if stderr has been redirected, but
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bash and ash both lose it as well (though zsh doesn't!) */
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@ -2579,7 +2582,7 @@ static int expand_vars_to_list(char **list, int n, char **posp, char *arg, char
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}
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} else
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/* If or_mask is nonzero, we handle assignment 'a=....$@.....'
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* and in this case should theat it like '$*' */
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* and in this case should treat it like '$*' - see 'else...' below */
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if (first_ch == ('@'|0x80) && !or_mask) { /* quoted $@ */
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while (1) {
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strcpy(pos, global_argv[i]);
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@ -2593,10 +2596,10 @@ static int expand_vars_to_list(char **list, int n, char **posp, char *arg, char
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list[n++] = pos;
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}
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} else { /* quoted $*: add as one word */
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while (1) {
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if (global_argv[i]) while (1) {
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strcpy(pos, global_argv[i]);
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pos += strlen(global_argv[i]);
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if (++i >= global_argc)
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if (!global_argv[++i])
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break;
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if (ifs[0])
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*pos++ = ifs[0];
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3
shell/hush_test/hush-vars/var_expand_in_redir.right
Normal file
3
shell/hush_test/hush-vars/var_expand_in_redir.right
Normal file
@ -0,0 +1,3 @@
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TEST1
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TEST2
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TEST3
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13
shell/hush_test/hush-vars/var_expand_in_redir.tests
Executable file
13
shell/hush_test/hush-vars/var_expand_in_redir.tests
Executable file
@ -0,0 +1,13 @@
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if test $# = 0; then
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exec "$THIS_SH" "$0" abc "d e"
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fi
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echo TEST1 >"$1.out"
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echo TEST2 >"$2.out"
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# bash says: "$@.out": ambiguous redirect
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# ash handles it as if it is '$*' - we do the same
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echo TEST3 >"$@.out"
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cat abc.out "d e.out" "abc d e.out"
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rm abc.out "d e.out" "abc d e.out"
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@ -11,6 +11,7 @@ export THIS_SH
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do_test()
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{
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test -d "$1" || return 0
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# echo Running tests in directory "$1"
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(
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cd "$1" || { echo "cannot cd $1!"; exit 1; }
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for x in run-*; do
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