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(VERIFY_EXPR): Undef and add a comment.

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Jim Meyering
2005-06-30 15:46:05 +00:00
parent b2915239d7
commit 4ff07ebe3c
1 changed files with 3 additions and 1 deletions
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4
lib/xalloc.h
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@@ -56,8 +56,10 @@ void *x2nrealloc (void *p, size_t *pn, size_t s);
void *xmemdup (void const *p, size_t s);
char *xstrdup (char const *str);
/* Verify a requirement at compile-time (unlike assert, which is runtime). */
# undef VERIFY_EXPR
# define VERIFY_EXPR(assertion) \
(void)((struct {char a[(assertion) ? 1 : -1]; } *) 0)
(void)((struct {char a[(assertion) ? 1 : -1]; } *) 0)
/* Using x2realloc (when appropriate) usually makes your code more
readable than using x2nrealloc, but it also makes it so your