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Revert "Add new swap macro and use it"

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typeof is an extension which does not exist in Standard C, so macros
using it are unsuitable for inclusion in Emacs.

This reverts commit 3788952327.
This commit is contained in:
Po Lu 2024-01-06 15:28:14 +08:00
parent 2f59052602
commit 657275529e
14 changed files with 111 additions and 41 deletions
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4
src/lisp.h
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@ -67,10 +67,6 @@ INLINE_HEADER_BEGIN
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
/* Swap values of a and b. */
#define swap(a, b) \
do { typeof (a) __tmp; __tmp = (a); (a) = (b); (b) = __tmp; } while (0);
/* Number of elements in an array. */
#define ARRAYELTS(arr) (sizeof (arr) / sizeof (arr)[0])