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ormaaj reported “command shift” not working correctly; fix

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This commit is contained in:
tg
2013-01-06 18:51:43 +00:00
parent 7a2130b02a
commit 2d9a039ec0
3 changed files with 41 additions and 9 deletions
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12
exec.c
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@@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.111 2013/01/01 20:45:02 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.112 2013/01/06 18:51:42 tg Exp $");
#ifndef MKSH_DEFAULT_EXECSHELL
#define MKSH_DEFAULT_EXECSHELL "/bin/sh"
@@ -506,7 +506,7 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
/* Must be static (XXX but why?) */
static struct op texec;
int type_flags;
int keepasn_ok;
bool keepasn_ok;
int fcflags = FC_BI|FC_FUNC|FC_PATH;
bool bourne_function_call = false;
struct block *l_expand, *l_assign;
@@ -538,7 +538,7 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
* FOO=bar command FOO is neither kept nor exported
* PATH=... foobar use new PATH in foobar search
*/
keepasn_ok = 1;
keepasn_ok = true;
while (tp && tp->type == CSHELL) {
/* undo effects of command */
fcflags = FC_BI|FC_FUNC|FC_PATH;
@@ -585,7 +585,7 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
* POSIX says special builtins lose their status
* if accessed using command.
*/
keepasn_ok = 0;
keepasn_ok = false;
if (!ap[0]) {
/* ensure command with no args exits with 0 */
subst_exstat = 0;
@@ -678,6 +678,10 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
/* shell built-in */
case CSHELL:
rv = call_builtin(tp, (const char **)ap, null);
if (!keepasn_ok && tp->val.f == c_shift) {
l_expand->argc = l_assign->argc;
l_expand->argv = l_assign->argv;
}
break;
/* function call */