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--- busybox-1.9.0/coreutils/test.c Fri Dec 21 23:00:29 2007
+++ busybox-1.9.0-test/coreutils/test.c Sat Feb 9 06:45:50 2008
@@ -555,4 +555,4 @@
{
int res;
const char *arg0;
- bool _off;
+ bool negate = 0;
arg0 = bb_basename(argv[0]);
if (arg0[0] == '[') {
@@ -578,1 +578,1 @@
INIT_S();
res = setjmp(leaving);
- if (res) {
+ if (res)
goto ret;
- }
/* resetting ngroups is probably unnecessary. it will
* force a new call to getgroups(), which prevents using
@@ -592,2 +591,2 @@
*/
ngroups = 0;
+ //argc--;
+ argv++;
+
/* Implement special cases from POSIX.2, section 4.62.4 */
- if (argc == 1) {
+ if (!argv[0]) { /* "test" */
res = 1;
goto ret;
}
- if (argc == 2) {
- res = (*argv[1] == '\0');
+ if (LONE_CHAR(argv[0], '!') && argv[1]) {
+ negate = 1;
+ //argc--;
+ argv++;
+ }
+ if (!argv[1]) { /* "test [!] arg" */
+ res = (*argv[0] == '\0');
goto ret;
}
-
- /* remember if we saw argc==4 which wants *no* '!' test */
- _off = argc - 4;
- if (_off ? (LONE_CHAR(argv[1], '!'))
- : (argv[1][0] != '!' || argv[1][1] != '\0')
- ) {
- if (argc == 3) {
- res = (*argv[2] != '\0');
- goto ret;
- }
-
- t_lex(argv[2 + _off]);
+ if (argv[2] && !argv[3]) {
+ t_lex(argv[1]);
if (t_wp_op && t_wp_op->op_type == BINOP) {
- t_wp = &argv[1 + _off];
- res = (binop() == _off);
+ /* "test [!] arg1 <binary_op> arg2" */
+ t_wp = &argv[0];
+ res = (binop() == 0);
goto ret;
}
}
- t_wp = &argv[1];
+
+ /* Some complex expression. Undo '!' removal */
+ if (negate) {
+ negate = 0;
+ //argc++;
+ argv--;
+ }
+ t_wp = &argv[0];
res = !oexpr(t_lex(*t_wp));
if (*t_wp != NULL && *++t_wp != NULL) {
@@ -628,5 +633,5 @@
}
ret:
DEINIT_S();
- return res;
+ return negate ? !res : res;
}
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