Dmitry V. Levin
96a9ff5746
Automatically change tests/*.c files using the following script: for f in tests/*.c; do grep -Fv errno.h "$f" | grep -Ewq '(si_)?errno|SOCK_FILTER_DENY_SYSCALL' || sed -i '/# *include *<errno\.h>/d' "$f" done
38 lines
961 B
C
38 lines
961 B
C
#include "tests.h"
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#include <sys/syscall.h>
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#ifdef __NR_linkat
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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static const char sample_1[] = "linkat_sample_old";
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static const char sample_2[] = "linkat_sample_new";
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const long fd_old = (long) 0xdeadbeefffffffff;
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const long fd_new = (long) 0xdeadbeeffffffffe;
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long rc = syscall(__NR_linkat, fd_old, sample_1, fd_new, sample_2, 0);
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printf("linkat(%d, \"%s\", %d, \"%s\", 0) = %ld %s (%m)\n",
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(int) fd_old, sample_1, (int) fd_new, sample_2,
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rc, errno2name());
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rc = syscall(__NR_linkat, -100, sample_1, -100, sample_2, -1L);
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printf("linkat(%s, \"%s\", %s, \"%s\", %s) = %ld %s (%m)\n",
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"AT_FDCWD", sample_1, "AT_FDCWD", sample_2,
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"AT_SYMLINK_NOFOLLOW|AT_REMOVEDIR|AT_SYMLINK_FOLLOW"
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"|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|0xffffe0ff",
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rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_linkat")
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#endif
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