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| author | Denis Vlasenko | 2007-11-23 21:08:38 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-11-23 21:08:38 +0000 |
| commit | cccdc4e01abb354c50aa483a21d5ff56a18c0b4a (patch) | |
| tree | 4290b391d3ea634a0393082c2233935bf5357afc | |
| parent | 835068637e81771a1b45b9faf04a31830f0e5d8a (diff) | |
| download | busybox-cccdc4e01abb354c50aa483a21d5ff56a18c0b4a.zip busybox-cccdc4e01abb354c50aa483a21d5ff56a18c0b4a.tar.gz | |
hush: fix $ expansion in redirections, add testcase for that
| -rw-r--r-- | shell/README | 3 | ||||
| -rw-r--r-- | shell/hush.c | 11 | ||||
| -rw-r--r-- | shell/hush_test/hush-vars/var_expand_in_redir.right | 3 | ||||
| -rwxr-xr-x | shell/hush_test/hush-vars/var_expand_in_redir.tests | 13 | ||||
| -rwxr-xr-x | shell/hush_test/run-all | 1 |
5 files changed, 27 insertions, 4 deletions
diff --git a/shell/README b/shell/README index b86f96c..f78ed9d 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 <"$1" doesn't do parameter subst diff --git a/shell/hush.c b/shell/hush.c index 04afbfd..912cbb5 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -1361,8 +1361,11 @@ static int setup_redirects(struct child_prog *prog, int squirrel[]) continue; } if (redir->dup == -1) { + char *p; mode = redir_table[redir->type].mode; - openfd = open_or_warn(redir->glob_word[0], mode); + p = expand_string_to_string(redir->glob_word[0]); + openfd = open_or_warn(p, mode); + free(p); if (openfd < 0) { /* this could get lost if stderr has been redirected, but bash and ash both lose it as well (though zsh doesn't!) */ @@ -2579,7 +2582,7 @@ static int expand_vars_to_list(char **list, int n, char **posp, char *arg, char } } else /* If or_mask is nonzero, we handle assignment 'a=....$@.....' - * 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 0000000..423299c --- /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 0000000..bda6bdd --- /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 0d40ae6..c75d81e 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 |