Merge remote-tracking branch 'mksh/master'

This commit is contained in:
KO Myung-Hun
2015-07-08 19:31:55 +09:00
14 changed files with 226 additions and 160 deletions

48
exec.c
View File

@@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.152 2015/04/29 18:32:43 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.155 2015/07/06 17:48:31 tg Exp $");
#ifndef MKSH_DEFAULT_EXECSHELL
#define MKSH_DEFAULT_EXECSHELL UNIXROOT "/bin/sh"
@@ -41,8 +41,8 @@ static const char *dbteste_getopnd(Test_env *, Test_op, bool);
static void dbteste_error(Test_env *, int, const char *);
static int search_access(const char *, int);
/* XXX: horrible kludge to fit within the framework */
static char *plain_fmt_entry(char *, size_t, unsigned int, const void *);
static char *select_fmt_entry(char *, size_t, unsigned int, const void *);
static void plain_fmt_entry(char *, size_t, unsigned int, const void *);
static void select_fmt_entry(char *, size_t, unsigned int, const void *);
/*
* execute command tree
@@ -551,6 +551,8 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
}
if ((tp = findcom(cp, FC_BI)) == NULL)
errorf("%s: %s: %s", Tbuiltin, cp, "not a builtin");
if (tp->type == CSHELL && tp->val.f == c_cat)
break;
continue;
} else if (tp->val.f == c_exec) {
if (ap[1] == NULL)
@@ -607,25 +609,19 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
subst_exstat = 0;
break;
}
#ifndef MKSH_NO_EXTERNAL_CAT
} else if (tp->val.f == c_cat) {
/*
* if we have any flags, do not use the builtin
* in theory, we could allow -u, but that would
* mean to use ksh_getopt here and possibly ad-
* ded complexity and more code and isn't worth
* additional hassle (and the builtin must call
* ksh_getopt already but can't come back here)
*/
/* if we have any flags, do not use the builtin */
if (ap[1] && ap[1][0] == '-' && ap[1][1] != '\0' &&
/* argument, begins with -, is not - or -- */
(ap[1][1] != '-' || ap[1][2] != '\0'))
/* don't look for builtins or functions */
fcflags = FC_PATH;
else
/* go on, use the builtin */
break;
#endif
(ap[1][1] != '-' || ap[1][2] != '\0')) {
struct tbl *ext_cat;
ext_cat = findcom(Tcat, FC_PATH | FC_FUNC);
if (ext_cat && (ext_cat->type != CTALIAS ||
(ext_cat->flag & ISSET)))
tp = ext_cat;
}
break;
} else if (tp->val.f == c_trap) {
t->u.evalflags &= ~DOTCOMEXEC;
break;
@@ -705,6 +701,7 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
/* shell built-in */
case CSHELL:
do_call_builtin:
rv = call_builtin(tp, (const char **)ap, null, resetspec);
if (resetspec && tp->val.f == c_shift) {
l_expand->argc = l_assign->argc;
@@ -729,6 +726,11 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
break;
}
if (include(tp->u.fpath, 0, NULL, false) < 0) {
if (!strcmp(cp, Tcat)) {
no_cat_in_FPATH:
tp = findcom(Tcat, FC_BI);
goto do_call_builtin;
}
warningf(true, "%s: %s %s %s: %s", cp,
"can't open", "function definition file",
tp->u.fpath, cstrerror(errno));
@@ -737,6 +739,8 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
}
if (!(ftp = findfunc(cp, hash(cp), false)) ||
!(ftp->flag & ISSET)) {
if (!strcmp(cp, Tcat))
goto no_cat_in_FPATH;
warningf(true, "%s: %s %s", cp,
"function not defined by", tp->u.fpath);
rv = 127;
@@ -1657,7 +1661,7 @@ struct select_menu_info {
};
/* format a single select menu item */
static char *
static void
select_fmt_entry(char *buf, size_t buflen, unsigned int i, const void *arg)
{
const struct select_menu_info *smi =
@@ -1665,7 +1669,6 @@ select_fmt_entry(char *buf, size_t buflen, unsigned int i, const void *arg)
shf_snprintf(buf, buflen, "%*u) %s",
smi->num_width, i + 1, smi->args[i]);
return (buf);
}
/*
@@ -1711,11 +1714,10 @@ pr_menu(const char * const *ap)
true);
}
static char *
static void
plain_fmt_entry(char *buf, size_t buflen, unsigned int i, const void *arg)
{
strlcpy(buf, ((const char * const *)arg)[i], buflen);
return (buf);
}
void