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configure.ac: Respect arc4random_buf asking for non-null parameter

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Sebastian Pipping 2023-05-28 16:18:03 +02:00
parent dc1ca9a0c7
commit 9d3a491cb2
1 changed files with 3 additions and 2 deletions
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5
expat/configure.ac
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@ -204,12 +204,13 @@ AS_IF([test "x${with_libbsd}" != xno],
[AC_MSG_ERROR([Enforced use of libbsd cannot be satisfied.])])])])
AC_MSG_CHECKING([for arc4random_buf (BSD or libbsd)])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <stdlib.h> /* for arc4random_buf on BSD, for NULL */
#include <stdlib.h> /* for arc4random_buf on BSD */
#if defined(HAVE_LIBBSD)
# include <bsd/stdlib.h>
#endif
int main() {
arc4random_buf(NULL, 0U);
char dummy[[123]]; // double brackets for m4
arc4random_buf(dummy, 0U);
return 0;
}
])],