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a cast to a pointer is an l-value.

This commit is contained in:
christos 2002-10-22 00:25:29 +00:00
parent 718a2bccc8
commit cb118faff0
1 changed files with 11 additions and 6 deletions
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17
usr.bin/xlint/lint1/tree.c
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@ -1,4 +1,4 @@
/* $NetBSD: tree.c,v 1.28 2002/10/22 00:06:46 christos Exp $ */ /* $NetBSD: tree.c,v 1.29 2002/10/22 00:25:29 christos Exp $ */
/* /*
* Copyright (c) 1994, 1995 Jochen Pohl * Copyright (c) 1994, 1995 Jochen Pohl
@ -33,7 +33,7 @@
#include <sys/cdefs.h> #include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint) #if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: tree.c,v 1.28 2002/10/22 00:06:46 christos Exp $"); __RCSID("$NetBSD: tree.c,v 1.29 2002/10/22 00:25:29 christos Exp $");
#endif #endif
#include <stdlib.h> #include <stdlib.h>
@ -381,7 +381,6 @@ strmemb(tnode_t *tn, op_t op, sym_t *msym)
*/ */
if (msym->s_scl == NOSCL) { if (msym->s_scl == NOSCL) {
/* undefined struct/union member: %s */ /* undefined struct/union member: %s */
fprintf(stderr, "3. %s\n", msym->s_name);
error(101, msym->s_name); error(101, msym->s_name);
rmsym(msym); rmsym(msym);
msym->s_kind = FMOS; msym->s_kind = FMOS;
@ -830,7 +829,9 @@ typeok(op_t op, int arg, tnode_t *ln, tnode_t *rn)
if (!ln->tn_lvalue) { if (!ln->tn_lvalue) {
if (ln->tn_op == CVT && ln->tn_cast && if (ln->tn_op == CVT && ln->tn_cast &&
ln->tn_left->tn_op == LOAD) { ln->tn_left->tn_op == LOAD) {
/* a cast does not yield an lvalue */ /* a cast to non-ptr does not yield an lvalue */
if (ln->tn_type->t_tspec == PTR)
break;
error(163); error(163);
} }
/* %soperand of %s must be lvalue */ /* %soperand of %s must be lvalue */
@ -848,7 +849,9 @@ typeok(op_t op, int arg, tnode_t *ln, tnode_t *rn)
} else if (!ln->tn_lvalue) { } else if (!ln->tn_lvalue) {
if (ln->tn_op == CVT && ln->tn_cast && if (ln->tn_op == CVT && ln->tn_cast &&
ln->tn_left->tn_op == LOAD) { ln->tn_left->tn_op == LOAD) {
/* a cast does not yield an lvalue */ /* a cast to non-ptr does not yield an lvalue */
if (ln->tn_type->t_tspec == PTR)
break;
error(163); error(163);
} }
/* %soperand of %s must be lvalue */ /* %soperand of %s must be lvalue */
@ -1100,7 +1103,9 @@ typeok(op_t op, int arg, tnode_t *ln, tnode_t *rn)
if (!ln->tn_lvalue) { if (!ln->tn_lvalue) {
if (ln->tn_op == CVT && ln->tn_cast && if (ln->tn_op == CVT && ln->tn_cast &&
ln->tn_left->tn_op == LOAD) { ln->tn_left->tn_op == LOAD) {
/* a cast does not yield an lvalue */ /* a cast to non-ptr does not yield an lvalue */
if (ln->tn_type->t_tspec == PTR)
break;
error(163); error(163);
} }
/* %soperand of %s must be lvalue */ /* %soperand of %s must be lvalue */