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Diffstat (limited to 'Src/params.c')
-rw-r--r--Src/params.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/Src/params.c b/Src/params.c
index 122f5da7d..33bbc54f6 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -2093,7 +2093,8 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
if (sav)
*s = sav;
*pptr = s;
- if (!pm || (pm->node.flags & PM_UNSET))
+ if (!pm || ((pm->node.flags & PM_UNSET) &&
+ !(pm->node.flags & PM_DECLARED)))
return NULL;
if (v)
memset(v, 0, sizeof(*v));
@@ -3055,6 +3056,7 @@ assignsparam(char *s, char *val, int flags)
* Don't warn about anything.
*/
flags &= ~ASSPM_WARN;
+ v->pm->node.flags &= ~PM_DEFAULTED;
}
*ss = '[';
v = NULL;
@@ -3080,6 +3082,7 @@ assignsparam(char *s, char *val, int flags)
}
if (flags & ASSPM_WARN)
check_warn_pm(v->pm, "scalar", created, 1);
+ v->pm->node.flags &= ~PM_DEFAULTED;
if (flags & ASSPM_AUGMENT) {
if (v->start == 0 && v->end == -1) {
switch (PM_TYPE(v->pm->node.flags)) {
@@ -3232,6 +3235,7 @@ assignaparam(char *s, char **val, int flags)
if (flags & ASSPM_WARN)
check_warn_pm(v->pm, "array", created, may_warn_about_nested_vars);
+ v->pm->node.flags &= ~PM_DEFAULTED;
/*
* At this point, we may have array entries consisting of
@@ -3444,6 +3448,7 @@ sethparam(char *s, char **val)
return NULL;
}
check_warn_pm(v->pm, "associative array", checkcreate, 1);
+ v->pm->node.flags &= ~PM_DEFAULTED;
setarrvalue(v, val);
unqueue_signals();
return v->pm;
@@ -3515,6 +3520,7 @@ assignnparam(char *s, mnumber val, int flags)
if (flags & ASSPM_WARN)
check_warn_pm(v->pm, "numeric", 0, 1);
}
+ v->pm->node.flags &= ~PM_DEFAULTED;
setnumvalue(v, val);
unqueue_signals();
return v->pm;
@@ -3619,6 +3625,7 @@ unsetparam_pm(Param pm, int altflag, int exp)
else
altremove = NULL;
+ pm->node.flags &= ~PM_DECLARED; /* like ksh, not like bash */
if (!(pm->node.flags & PM_UNSET))
pm->gsu.s->unsetfn(pm, exp);
if (pm->env)
@@ -3652,6 +3659,8 @@ unsetparam_pm(Param pm, int altflag, int exp)
}
zsfree(altremove);
+ if (!(pm->node.flags & PM_SPECIAL))
+ pm->gsu.s = &stdscalar_gsu;
}
/*
@@ -4116,6 +4125,11 @@ tiedarrsetfn(Param pm, char *x)
if (*dptr->arrptr)
freearray(*dptr->arrptr);
+ else if (pm->ename) {
+ Param altpm = (Param) paramtab->getnode(paramtab, pm->ename);
+ if (altpm)
+ altpm->node.flags &= ~PM_DEFAULTED;
+ }
if (x) {
char sepbuf[3];
if (imeta(dptr->joinchar))
@@ -5035,6 +5049,7 @@ arrfixenv(char *s, char **t)
if (isset(ALLEXPORT))
pm->node.flags |= PM_EXPORTED;
+ pm->node.flags &= ~PM_DEFAULTED;
/*
* Do not "fix" parameters that were not exported
@@ -5839,8 +5854,9 @@ printparamnode(HashNode hn, int printflags)
Param peer = NULL;
if (p->node.flags & PM_UNSET) {
- if (printflags & (PRINT_POSIX_READONLY|PRINT_POSIX_EXPORT) &&
- p->node.flags & (PM_READONLY|PM_EXPORTED)) {
+ if ((printflags & (PRINT_POSIX_READONLY|PRINT_POSIX_EXPORT) &&
+ p->node.flags & (PM_READONLY|PM_EXPORTED)) ||
+ (p->node.flags & PM_DEFAULTED) == PM_DEFAULTED) {
/*
* Special POSIX rules: show the parameter as readonly/exported
* even though it's unset, but with no value.