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/* The bug that gave rise to this is
https://bugs.kde.org/show_bug.cgi?id=307103
*/
#define _GNU_SOURCE
#include <fcntl.h>
#include <unistd.h>
int main (void)
{
int dfd = open ("/tmp", O_RDONLY);
__attribute__((unused)) int fd1 = openat (dfd, "abc", O_RDONLY);
/* This is fine, absolute path. */
__attribute__((unused)) int fd2 = openat (0x12345678, "/tmp/abc", O_RDONLY);
__attribute__((unused)) int fd3 = openat (AT_FDCWD, "abc", O_RDONLY);
/* This is the only one that should warn. */
__attribute__((unused)) int fd4 = openat (0x12345678, "abc", O_RDONLY);
return 0;
}
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