Merge "<spawn.h>: add posix_spawn_file_actions_addchdir_np()/posix_spawn_file_actions_addfchdir_np()."
diff --git a/docs/elf-tls.md b/docs/elf-tls.md
index 4a62793..d408b3f 100644
--- a/docs/elf-tls.md
+++ b/docs/elf-tls.md
@@ -101,9 +101,9 @@
`R_TLS_DTPOFF` is a dynamic relocation to the offset of `tls_var` within its module's `PT_TLS`
segment.
-`__tls_get_addr` looks up `TlsIndex::module`'s entry in the DTV and adds `TlsIndex::offset` to the
-module's TLS block. Before it can do this, it ensures that the module's TLS block is allocated. A
-simple approach is to allocate memory lazily:
+`__tls_get_addr` looks up `TlsIndex::module_id`'s entry in the DTV and adds `TlsIndex::offset` to
+the module's TLS block. Before it can do this, it ensures that the module's TLS block is allocated.
+A simple approach is to allocate memory lazily:
1. If the current thread's DTV generation count is less than the current global TLS generation, then
`__tls_get_addr` may reallocate the DTV or free blocks for unloaded modules.
diff --git a/libc/NOTICE b/libc/NOTICE
index 9d55592..4d3a108 100644
--- a/libc/NOTICE
+++ b/libc/NOTICE
@@ -894,6 +894,34 @@
-------------------------------------------------------------------
+Copyright (C) 2023 The Android Open Source Project
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+-------------------------------------------------------------------
+
Copyright (c) 1980, 1983, 1988, 1993
The Regents of the University of California. All rights reserved.
diff --git a/libc/include/search.h b/libc/include/search.h
index 7c4989a..00deef1 100644
--- a/libc/include/search.h
+++ b/libc/include/search.h
@@ -25,9 +25,9 @@
/** See hsearch()/hsearch_r(). */
typedef struct entry {
/** The string key. */
- char* key;
+ char* _Nullable key;
/** The associated data. */
- void* data;
+ void* _Nullable data;
} ENTRY;
/**
@@ -57,7 +57,7 @@
#if defined(__USE_BSD) || defined(__USE_GNU)
/** The hash table type for hcreate_r()/hdestroy_r()/hsearch_r(). */
struct hsearch_data {
- struct __hsearch* __hsearch;
+ struct __hsearch* _Nullable __hsearch;
};
#endif
@@ -69,7 +69,7 @@
*
* Available since API level 21.
*/
-void insque(void* __element, void* __previous) __INTRODUCED_IN(21);
+void insque(void* _Nonnull __element, void* _Nullable __previous) __INTRODUCED_IN(21);
/**
* [remque(3)](http://man7.org/linux/man-pages/man3/remque.3.html) removes
@@ -77,7 +77,7 @@
*
* Available since API level 21.
*/
-void remque(void* __element) __INTRODUCED_IN(21);
+void remque(void* _Nonnull __element) __INTRODUCED_IN(21);
/**
* [hcreate(3)](http://man7.org/linux/man-pages/man3/hcreate.3.html)
@@ -112,7 +112,7 @@
*
* Available since API level 28.
*/
-ENTRY* hsearch(ENTRY __entry, ACTION __action) __INTRODUCED_IN(28);
+ENTRY* _Nullable hsearch(ENTRY __entry, ACTION __action) __INTRODUCED_IN(28);
#if defined(__USE_BSD) || defined(__USE_GNU)
@@ -124,7 +124,7 @@
*
* Available since API level 28.
*/
-int hcreate_r(size_t __n, struct hsearch_data* __table) __INTRODUCED_IN(28);
+int hcreate_r(size_t __n, struct hsearch_data* _Nonnull __table) __INTRODUCED_IN(28);
/**
* [hdestroy_r(3)](http://man7.org/linux/man-pages/man3/hdestroy_r.3.html) destroys
@@ -132,7 +132,7 @@
*
* Available since API level 28.
*/
-void hdestroy_r(struct hsearch_data* __table) __INTRODUCED_IN(28);
+void hdestroy_r(struct hsearch_data* _Nonnull __table) __INTRODUCED_IN(28);
/**
* [hsearch_r(3)](http://man7.org/linux/man-pages/man3/hsearch_r.3.html) finds or
@@ -143,7 +143,7 @@
*
* Available since API level 28.
*/
-int hsearch_r(ENTRY __entry, ACTION __action, ENTRY** __result, struct hsearch_data* __table) __INTRODUCED_IN(28);
+int hsearch_r(ENTRY __entry, ACTION __action, ENTRY* _Nullable * _Nonnull __result, struct hsearch_data* _Nonnull __table) __INTRODUCED_IN(28);
#endif
@@ -158,7 +158,7 @@
*
* Available since API level 21.
*/
-void* lfind(const void* __key, const void* __array, size_t* __count, size_t __size, int (*__comparator)(const void*, const void*)) __INTRODUCED_IN(21);
+void* _Nullable lfind(const void* _Nonnull __key, const void* _Nonnull __array, size_t* _Nonnull __count, size_t __size, int (* _Nonnull __comparator)(const void* _Nonnull, const void* _Nonnull)) __INTRODUCED_IN(21);
/**
* [lsearch(3)](http://man7.org/linux/man-pages/man3/lsearch.3.html) brute-force
@@ -173,7 +173,7 @@
*
* Available since API level 21.
*/
-void* lsearch(const void* __key, void* __array, size_t* __count, size_t __size, int (*__comparator)(const void*, const void*)) __INTRODUCED_IN(21);
+void* _Nonnull lsearch(const void* _Nonnull __key, void* _Nonnull __array, size_t* _Nonnull __count, size_t __size, int (* _Nonnull __comparator)(const void* _Nonnull, const void* _Nonnull)) __INTRODUCED_IN(21);
/**
* [tdelete(3)](http://man7.org/linux/man-pages/man3/tdelete.3.html) searches
@@ -182,13 +182,13 @@
*
* Returns a pointer to the parent of the deleted node, or NULL on failure.
*/
-void* tdelete(const void* __key, void** __root_ptr, int (*__comparator)(const void*, const void*));
+void* _Nullable tdelete(const void* _Nonnull __key, void* _Nullable * _Nullable __root_ptr, int (* _Nonnull __comparator)(const void* _Nonnull, const void* _Nonnull));
/**
* [tdestroy(3)](http://man7.org/linux/man-pages/man3/tdestroy.3.html) destroys
* the hash table `__root` using `__free_fn` on each node.
*/
-void tdestroy(void* __root, void (*__free_fn)(void*));
+void tdestroy(void* _Nullable __root, void (* _Nullable __free_fn)(void* _Nullable));
/**
* [tfind(3)](http://man7.org/linux/man-pages/man3/tfind.3.html) searches
@@ -197,7 +197,7 @@
*
* Returns a pointer to the matching node, or NULL on failure.
*/
-void* tfind(const void* __key, void* const* __root_ptr, int (*__comparator)(const void*, const void*));
+void* _Nullable tfind(const void* _Nonnull __key, void* _Nullable const* _Nullable __root_ptr, int (* _Nonnull __comparator)(const void* _Nonnull, const void* _Nonnull));
/**
* [tsearch(3)](http://man7.org/linux/man-pages/man3/tsearch.3.html) searches
@@ -208,12 +208,12 @@
*
* Returns a pointer to the matching node, or to the newly-added node.
*/
-void* tsearch(const void* __key, void** __root_ptr, int (*__comparator)(const void*, const void*));
+void* _Nullable tsearch(const void* _Nonnull __key, void* _Nullable * _Nullable __root_ptr, int (* _Nonnull __comparator)(const void* _Nonnull, const void* _Nonnull));
/**
* [twalk(3)](http://man7.org/linux/man-pages/man3/twalk.3.html) calls
* `__visitor` on every node in the tree.
*/
-void twalk(const void* __root, void (*__visitor)(const void*, VISIT, int)) __INTRODUCED_IN(21);
+void twalk(const void* _Nullable __root, void (* _Nullable __visitor)(const void* _Nullable, VISIT, int)) __INTRODUCED_IN(21);
__END_DECLS
diff --git a/libc/include/utmp.h b/libc/include/utmp.h
index 7aa5718..d249f8a 100644
--- a/libc/include/utmp.h
+++ b/libc/include/utmp.h
@@ -30,7 +30,7 @@
/**
* @file utmp.h
- * @brief POSIX login records.
+ * @brief No-op implementation of non-POSIX login records. See <utmpx.h> for the POSIX equivalents.
*/
#include <sys/cdefs.h>
@@ -69,12 +69,12 @@
};
struct exit_status {
- short int e_termination;
- short int e_exit;
+ short e_termination;
+ short e_exit;
};
struct utmp {
- short int ut_type;
+ short ut_type;
pid_t ut_pid;
char ut_line[UT_LINESIZE];
char ut_id[4];
@@ -83,7 +83,7 @@
struct exit_status ut_exit;
- long int ut_session;
+ long ut_session;
struct timeval ut_tv;
int32_t ut_addr_v6[4];
@@ -97,21 +97,25 @@
__BEGIN_DECLS
/**
- * Does nothing.
+ * Returns -1 and sets errno to ENOTSUP.
*/
int utmpname(const char* _Nonnull __path);
+
/**
* Does nothing.
*/
void setutent(void);
+
/**
- * Does nothing.
+ * Does nothing and returns null.
*/
struct utmp* _Nullable getutent(void);
+
/**
- * Does nothing.
+ * Does nothing and returns null.
*/
struct utmp* _Nullable pututline(const struct utmp* _Nonnull __entry);
+
/**
* Does nothing.
*/
diff --git a/libc/include/utmpx.h b/libc/include/utmpx.h
new file mode 100644
index 0000000..5ed8e1a
--- /dev/null
+++ b/libc/include/utmpx.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#pragma once
+
+/**
+ * @file utmpx.h
+ * @brief No-op implementation of POSIX login records.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <time.h>
+
+#define EMPTY 0
+#define RUN_LVL 1
+#define BOOT_TIME 2
+#define NEW_TIME 3
+#define OLD_TIME 4
+#define INIT_PROCESS 5
+#define LOGIN_PROCESS 6
+#define USER_PROCESS 7
+#define DEAD_PROCESS 8
+#define ACCOUNTING 9
+
+struct utmpx {
+ short ut_type;
+ pid_t ut_pid;
+ char ut_line[32];
+ char ut_id[4];
+ char ut_user[32];
+ char ut_host[256];
+
+ struct {
+ short e_termination;
+ short e_exit;
+ } ut_exit;
+
+ long ut_session;
+ struct timeval ut_tv;
+
+ int32_t ut_addr_v6[4];
+ char unused[20];
+};
+
+__BEGIN_DECLS
+
+/**
+ * Does nothing.
+ */
+void setutxent(void) __RENAME(setutent);
+
+/**
+ * Does nothing and returns null.
+ */
+struct utmpx* _Nullable getutxent(void) __RENAME(getutent);
+
+/**
+ * Does nothing and returns null.
+ */
+struct utmpx* _Nullable getutxid(const struct utmpx* _Nonnull __entry) __RENAME(getutent);
+
+/**
+ * Does nothing and returns null.
+ */
+struct utmpx* _Nullable getutxline(const struct utmpx* _Nonnull __entry) __RENAME(getutent);
+
+/**
+ * Does nothing and returns null.
+ */
+struct utmpx* _Nullable pututxline(const struct utmpx* _Nonnull __entry) __RENAME(pututline);
+
+/**
+ * Does nothing.
+ */
+void endutxent(void) __RENAME(endutent);
+
+__END_DECLS
diff --git a/linker/arch/arm64/tlsdesc_resolver.S b/linker/arch/arm64/tlsdesc_resolver.S
index 96eff8e..ad155e2 100644
--- a/linker/arch/arm64/tlsdesc_resolver.S
+++ b/linker/arch/arm64/tlsdesc_resolver.S
@@ -58,9 +58,9 @@
cmp x21, x22
b.lo .fallback
- ldr x21, [x0, #8] // TlsIndex::module
+ ldr x21, [x0, #8] // TlsIndex::module_id
ldr x22, [x0, #16] // TlsIndex::offset
- ldr x21, [x20, x21, lsl #3] // TlsDtv::modules[module]
+ ldr x21, [x20, x21, lsl #3] // TlsDtv::modules[module_id]
cbz x21, .fallback
add x0, x21, x22
sub x0, x0, x19
diff --git a/tests/Android.bp b/tests/Android.bp
index 6d2a8d4..1949079 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -514,6 +514,7 @@
"unistd_test.cpp",
"utils.cpp",
"utmp_test.cpp",
+ "utmpx_test.cpp",
"wchar_test.cpp",
"wctype_test.cpp",
],
diff --git a/tests/NOTICE b/tests/NOTICE
index 167f90b..cc99d20 100644
--- a/tests/NOTICE
+++ b/tests/NOTICE
@@ -426,3 +426,31 @@
-------------------------------------------------------------------
+Copyright (C) 2023 The Android Open Source Project
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+-------------------------------------------------------------------
+
diff --git a/tests/headers/posix/utmpx_h.c b/tests/headers/posix/utmpx_h.c
new file mode 100644
index 0000000..44dfac9
--- /dev/null
+++ b/tests/headers/posix/utmpx_h.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <utmpx.h>
+
+#include "header_checks.h"
+
+static void utmpx_h() {
+ TYPE(struct utmpx);
+ STRUCT_MEMBER_ARRAY(struct utmpx, char/*[]*/, ut_user);
+ STRUCT_MEMBER_ARRAY(struct utmpx, char/*[]*/, ut_id);
+ STRUCT_MEMBER_ARRAY(struct utmpx, char/*[]*/, ut_line);
+ STRUCT_MEMBER(struct utmpx, pid_t, ut_pid);
+ STRUCT_MEMBER(struct utmpx, short, ut_type);
+#if !defined(__GLIBC__)
+ // POSIX says struct timeval, but glibc has an anonymous struct.
+ STRUCT_MEMBER(struct utmpx, struct timeval, ut_tv);
+#endif
+
+ TYPE(pid_t);
+ TYPE(struct timeval);
+
+ MACRO(EMPTY);
+ MACRO(BOOT_TIME);
+ MACRO(OLD_TIME);
+ MACRO(NEW_TIME);
+ MACRO(USER_PROCESS);
+ MACRO(INIT_PROCESS);
+ MACRO(LOGIN_PROCESS);
+ MACRO(DEAD_PROCESS);
+
+ FUNCTION(endutxent, void (*f)(void));
+ FUNCTION(getutxent, struct utmpx* (*f)(void));
+ FUNCTION(getutxid, struct utmpx* (*f)(const struct utmpx*));
+ FUNCTION(getutxline, struct utmpx* (*f)(const struct utmpx*));
+ FUNCTION(pututxline, struct utmpx* (*f)(const struct utmpx*));
+ FUNCTION(setutxent, void (*f)(void));
+}
diff --git a/tests/utmp_test.cpp b/tests/utmp_test.cpp
index b024818..459f9c3 100644
--- a/tests/utmp_test.cpp
+++ b/tests/utmp_test.cpp
@@ -25,6 +25,7 @@
}
TEST(utmp, smoke) {
+ // The rest of <utmp.h> is just no-op implementations, so testing is trivial.
ASSERT_EQ(-1, utmpname("hello"));
setutent();
ASSERT_EQ(NULL, getutent());
diff --git a/tests/utmpx_test.cpp b/tests/utmpx_test.cpp
new file mode 100644
index 0000000..55427a6
--- /dev/null
+++ b/tests/utmpx_test.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <gtest/gtest.h>
+
+#include <utmpx.h>
+
+TEST(utmpx, smoke) {
+ // Our utmpx "implementation" just calls the utmp no-op functions.
+ setutxent();
+ utmpx empty = {.ut_type = EMPTY};
+ ASSERT_EQ(NULL, getutxent());
+ ASSERT_EQ(NULL, getutxid(&empty));
+ ASSERT_EQ(NULL, getutxline(&empty));
+ endutxent();
+ ASSERT_EQ(NULL, pututxline(&empty));
+}