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Change Pointer to void *

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The comment for the Pointer type said 'XXX Pointer arithmetic is done
with this, so it can't be void * under "true" ANSI compilers.'.  This
has been fixed in the previous commit 756a436893.  This now changes
the definition of the type from char * to void *, as envisaged by that
comment.

Extension code that relies on using Pointer for pointer arithmetic
will need to make changes similar to commit 756a436893, but those
changes would be backward compatible.

Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://www.postgresql.org/message-id/4154950a-47ae-4223-bd01-1235cc50e933%40eisentraut.org
This commit is contained in:
Peter Eisentraut
2025-12-03 10:22:17 +01:00
parent 756a436893
commit 1b2bb5077e
1 changed files with 2 additions and 4 deletions
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6
src/include/c.h
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@@ -527,11 +527,9 @@ typedef void (*pg_funcptr_t) (void);
/* /*
* Pointer * Pointer
* Variable holding address of any memory resident object. * Variable holding address of any memory resident object.
* * (obsolescent; use void * or char *)
* XXX Pointer arithmetic is done with this, so it can't be void *
* under "true" ANSI compilers.
*/ */
typedef char *Pointer; typedef void *Pointer;
/* Historical names for types in <stdint.h>. */ /* Historical names for types in <stdint.h>. */
typedef int8_t int8; typedef int8_t int8;