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Make fixed-length list building macros work in C++

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Compound literals, as used in pg_list.h for list_makeN(), are not a
C++ feature.  MSVC doesn't accept these.  (GCC and Clang accept them,
but they would warn in -pedantic mode.)  Replace with equivalent
inline functions.  (These are the only instances of compound literals
used in PostgreSQL header files.)

Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Discussion: https://www.postgresql.org/message-id/flat/CAGECzQR21OnnKiZO_1rLWO0-16kg1JBxnVq-wymYW0-_1cUNtg%40mail.gmail.com
This commit is contained in:
Peter Eisentraut 2026-03-26 08:40:18 +01:00
parent 735e8fe685
commit f8e7ca3285
1 changed files with 36 additions and 4 deletions
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40
src/include/nodes/pg_list.h
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@ -204,10 +204,42 @@ list_length(const List *l)
/*
* Convenience macros for building fixed-length lists
*/
#define list_make_ptr_cell(v) ((ListCell) {.ptr_value = (v)})
#define list_make_int_cell(v) ((ListCell) {.int_value = (v)})
#define list_make_oid_cell(v) ((ListCell) {.oid_value = (v)})
#define list_make_xid_cell(v) ((ListCell) {.xid_value = (v)})
static inline ListCell
list_make_ptr_cell(void *v)
{
ListCell c;
c.ptr_value = v;
return c;
}
static inline ListCell
list_make_int_cell(int v)
{
ListCell c;
c.int_value = v;
return c;
}
static inline ListCell
list_make_oid_cell(Oid v)
{
ListCell c;
c.oid_value = v;
return c;
}
static inline ListCell
list_make_xid_cell(TransactionId v)
{
ListCell c;
c.xid_value = v;
return c;
}
#define list_make1(x1) \
list_make1_impl(T_List, list_make_ptr_cell(x1))