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unposted (cf. 52617): only scalars can instantiate a declared named reference
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2 changed files with 11 additions and 2 deletions
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@ -1,5 +1,8 @@
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2024-03-04 Bart Schaefer <schaefer@zsh.org>
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* unposted (cf. 52617): Src/params.c: only scalars can instantiate
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a declared named reference
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* 52659: Src/builtin.c, Test/K01nameref.ztst: Fix crash when unset
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was called on a named referece, add regression test
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10
Src/params.c
10
Src/params.c
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@ -1050,8 +1050,14 @@ createparam(char *name, int flags)
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name = refname;
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oldpm = NULL;
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} else {
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if (!(lastpm->node.flags & PM_READONLY))
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lastpm->node.flags |= PM_UNSET;
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if (!(lastpm->node.flags & PM_READONLY)) {
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if (flags) {
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/* Only plain scalar assignment allowed */
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zerr("%s: can't change type of named reference",
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name); /* Differs from ksh93u+ */
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return NULL;
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}
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}
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return lastpm;
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}
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} else {
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