JehanneOS/mksh
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• fix an inverted logic bug in the test I wrote

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• only trigger deleting an alias in favour of a function for “()”, not
  just the opening parenthesis: “stop( )” is not a function definition
  (well, actually it seems to be, but… not according to POSIX, anyway)
• defer dropping the alias until the function is actually defined (õÕ)
This commit is contained in:
tg 2011-05-07 00:51:12 +00:00
parent c38dfbf51a
commit 40e914e8a5
4 changed files with 16 additions and 17 deletions
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4
check.t
View File

@ -1,4 +1,4 @@
# $MirOS: src/bin/mksh/check.t,v 1.452 2011/05/07 00:02:26 tg Exp $
# $MirOS: src/bin/mksh/check.t,v 1.453 2011/05/07 00:51:09 tg Exp $
# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@ -6046,7 +6046,7 @@ description:
Functions should only take over if actually being defined
stdin:
alias local
false || local() { :; }
:|| local() { :; }
alias local
expected-stdout:
local=typeset

13
exec.c
View File

@ -22,7 +22,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.90 2011/04/17 15:40:35 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.91 2011/05/07 00:51:11 tg Exp $");
#ifndef MKSH_DEFAULT_EXECSHELL
#define MKSH_DEFAULT_EXECSHELL "/bin/sh"
@ -962,11 +962,20 @@ findfunc(const char *name, uint32_t h, bool create)
int
define(const char *name, struct op *t)
{
uint32_t nhash;
struct tbl *tp;
bool was_set = false;
nhash = hash(name);
if (t != NULL && !tobool(t->u.ksh_func)) {
/* drop same-name aliases for POSIX functions */
if ((tp = ktsearch(&aliases, name, nhash)))
ktdelete(tp);
}
while (/* CONSTCOND */ 1) {
tp = findfunc(name, hash(name), true);
tp = findfunc(name, nhash, true);
if (tp->flag & ISSET)
was_set = true;

10
lex.c
View File

@ -22,7 +22,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.149 2011/05/07 00:24:34 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.150 2011/05/07 00:51:12 tg Exp $");
/*
* states while lexing word
@ -1101,13 +1101,7 @@ yylex(int cf)
*/
++cp;
/* prefer functions over aliases */
if (*cp == '(' /*)*/)
/*
* delete alias upon encountering function
* definition
*/
ktdelete(p);
else {
if (cp[0] != '(' || cp[1] != ')') {
Source *s = source;
while (s && (s->flags & SF_HASALIAS))

6
syn.c
View File

@ -22,7 +22,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.63 2011/05/05 00:05:01 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.64 2011/05/07 00:51:12 tg Exp $");
extern short subshell_nesting_level;
@ -652,15 +652,11 @@ function_body(char *name,
*/
if (ksh_func) {
if (tpeek(CONTIN|KEYWORD|ALIAS) == '(' /*)*/) {
struct tbl *tp;
/* function foo () { */
ACCEPT;
musthave(')', 0);
/* degrade to POSIX function */
ksh_func = false;
if ((tp = ktsearch(&aliases, sname, hash(sname))))
ktdelete(tp);
}
musthave('{' /*}*/, CONTIN|KEYWORD|ALIAS);
REJECT;