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Diffstat (limited to 'Src/params.c')
-rw-r--r--Src/params.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/Src/params.c b/Src/params.c
index de928ea1b..192ca74ad 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -845,7 +845,8 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
sep = "\n";
break;
case 'e':
- /* obsolate compatibility flag without any real effect */
+ /* Compatibility flag with no effect except to prevent *
+ * special interpretation by getindex() of `*' or `@'. */
break;
case 'n':
t = get_strarg(++s);
@@ -876,7 +877,7 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
break;
case 's':
/* This gives the string that separates words *
- * (for use with the `w' flag. */
+ * (for use with the `w' flag). */
t = get_strarg(++s);
if (!*t)
goto flagerr;
@@ -1177,11 +1178,10 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
/**/
int
-getindex(char **pptr, Value v)
+getindex(char **pptr, Value v, int dq)
{
int start, end, inv = 0;
char *s = *pptr, *tbrack;
- int dq = !!strchr(s, Dnull);
*s++ = '[';
s = parse_subscript(s, dq); /* Error handled after untokenizing */
@@ -1358,7 +1358,7 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
v->start = 0;
v->end = -1;
if (bracks > 0 && (*s == '[' || *s == Inbrack)) {
- if (getindex(&s, v)) {
+ if (getindex(&s, v, (flags & SCANPM_DQUOTED))) {
*pptr = s;
return v;
}
@@ -1409,7 +1409,7 @@ getstrvalue(Value v)
/* (!v->isarr) should be impossible unless emulating ksh */
if (!v->isarr && emulation == EMULATE_KSH) {
s = dupstring("[0]");
- if (getindex(&s, v) == 0)
+ if (getindex(&s, v, 0) == 0)
s = getstrvalue(v);
return s;
} /* else fall through */
@@ -1575,6 +1575,10 @@ setstrvalue(Value v, char *val)
zsfree(val);
return;
}
+ if (v->pm->flags & PM_HASHED) {
+ zerr("%s: attempt to set slice of associative array", v->pm->nam, 0);
+ return;
+ }
v->pm->flags &= ~PM_UNSET;
switch (PM_TYPE(v->pm->flags)) {
case PM_SCALAR:
@@ -1698,7 +1702,8 @@ setarrvalue(Value v, char **val)
}
if (!(PM_TYPE(v->pm->flags) & (PM_ARRAY|PM_HASHED))) {
freearray(val);
- zerr("attempt to assign array value to non-array", NULL, 0);
+ zerr("%s: attempt to assign array value to non-array",
+ v->pm->nam, 0);
return;
}
if (v->start == 0 && v->end == -1) {
@@ -1712,7 +1717,8 @@ setarrvalue(Value v, char **val)
if ((PM_TYPE(v->pm->flags) == PM_HASHED)) {
freearray(val);
- zerr("attempt to set slice of associative array", NULL, 0);
+ zerr("%s: attempt to set slice of associative array",
+ v->pm->nam, 0);
return;
}
if (v->inv && unset(KSHARRAYS))
@@ -1906,7 +1912,8 @@ setaparam(char *s, char **val)
*ss = '[';
if (v && PM_TYPE(v->pm->flags) == PM_HASHED) {
unqueue_signals();
- zerr("attempt to set slice of associative array", NULL, 0);
+ zerr("%s: attempt to set slice of associative array",
+ v->pm->nam, 0);
freearray(val);
errflag = 1;
return NULL;