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-rw-r--r--config/strerror-r-posix.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/config/strerror-r-posix.c b/config/strerror-r-posix.c
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--- /dev/null
+++ b/config/strerror-r-posix.c
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+// Copyright © Tavian Barnes <tavianator@tavianator.com>
+// SPDX-License-Identifier: 0BSD
+
+#include <errno.h>
+#include <string.h>
+
+int main(void) {
+ char buf[256];
+ // Check that strerror_r() returns an integer
+ return 2 * strerror_r(ENOMEM, buf, sizeof(buf));
+}