aeb343b726
* Makefile.am (strace_SOURCES): New file. * linux/dummy.h (sys_sysfs): Remove macro definition. * sysfs.c: New file. * tests/gen_tests.in: Add sysfs test definition. * tests/.gitignore: add sysfs. * tests/pure_executables.list: Add sysfs. * tests/sysfs.c: New file.
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_sysfs
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# include <stdio.h>
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# include <unistd.h>
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# include <linux/limits.h>
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int
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main(void)
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{
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static const kernel_ulong_t bogus_long =
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(kernel_ulong_t) 0xdeadc0de00000000ULL;
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long rc;
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long fs_types;
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char *buf = tail_alloc(PATH_MAX + 1);
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fs_types = syscall(__NR_sysfs, 3);
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printf("sysfs(3 /* total number of filesystem types */) = %s\n",
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sprintrc(fs_types));
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if (fs_types < 0)
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error_msg_and_skip("sysfs(3)");
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rc = syscall(__NR_sysfs, 4, 1, 2, 3, 4, 5);
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printf("sysfs(4 /* ??? */) = %s\n", sprintrc(rc));
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rc = syscall(__NR_sysfs, 2, bogus_long | 3141592653U, NULL);
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printf("sysfs(2 /* filesystem type name by index */, 3141592653, NULL)"
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" = %s\n", sprintrc(rc));
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rc = syscall(__NR_sysfs, 1, NULL);
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printf("sysfs(1 /* filesystem type index by name */, NULL) = %s\n",
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sprintrc(rc));
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rc = syscall(__NR_sysfs, 1, buf + PATH_MAX + 1);
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printf("sysfs(1 /* filesystem type index by name */, %p) = %s\n",
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buf + PATH_MAX + 1, sprintrc(rc));
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rc = syscall(__NR_sysfs, 1, "");
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printf("sysfs(1 /* filesystem type index by name */, \"\") = %s\n",
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sprintrc(rc));
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for (size_t i = 0; i < (unsigned long) fs_types; i++) {
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rc = syscall(__NR_sysfs, 2, bogus_long | i, buf);
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if (rc)
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perror_msg_and_fail("sysfs(2, %zu)", i);
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printf("sysfs(2 /* filesystem type name by index */, %zu, ", i);
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print_quoted_cstring(buf, PATH_MAX + 1);
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printf(") = 0\n");
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rc = syscall(__NR_sysfs, 1, buf);
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if ((size_t) rc != i)
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perror_msg_and_fail("sysfs(1, %s)", buf);
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printf("sysfs(1 /* filesystem type index by name */, ");
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print_quoted_cstring(buf, PATH_MAX + 1);
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printf(") = %zu\n", i);
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}
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rc = syscall(__NR_sysfs, 2, fs_types, buf);
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if (rc != -1)
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error_msg_and_fail("sysfs(2, %ld) != -1", fs_types);
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printf("sysfs(2 /* filesystem type name by index */, %ld, %p) = %s\n",
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fs_types, buf, sprintrc(rc));
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rc = syscall(__NR_sysfs, 2, fs_types, buf);
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if (rc != -1)
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error_msg_and_fail("sysfs(2, %ld) != -1", fs_types);
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printf("sysfs(2 /* filesystem type name by index */, %ld, %p) = %s\n",
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fs_types, buf, sprintrc(rc));
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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_sysfs")
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#endif
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