From: Paul Floyd <pjfloyd@wanadoo.fr>
Date: Wed, 20 Aug 2025 18:40:07 +0000 (+0200)
Subject: FreeBSD regtest: add a test for readlinkat
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=40c8447eb91026e4dddbbd58de7364b82cad3b20;p=thirdparty%2Fvalgrind.git

FreeBSD regtest: add a test for readlinkat
---

diff --git a/.gitignore b/.gitignore
index e48a2ab0e..569a8fd5c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2329,6 +2329,7 @@
 /none/tests/freebsd/bug498317
 none/tests/freebsd/bug499212
 /none/tests/freebsd/osrel
+/none/tests/freebsd/readlinkat
 /none/tests/freebsd/swapcontext
 /none/tests/freebsd/fexecve
 /none/tests/freebsd/hello_world
diff --git a/none/tests/freebsd/Makefile.am b/none/tests/freebsd/Makefile.am
index 0bbbffdad..a575f4097 100644
--- a/none/tests/freebsd/Makefile.am
+++ b/none/tests/freebsd/Makefile.am
@@ -55,6 +55,8 @@ EXTRA_DIST = \
 	ksh_test.stdout.exp \
 	open_client.vgtest \
 	open_client.stderr.exp \
+	readlinkat.vgtest \
+	readlinkat.stderr.exp \
 	sanity_level_thread.vgtest \
 	sanity_level_thread.stderr.exp \
 	swapcontext.vgtest \
@@ -71,8 +73,9 @@ EXTRA_DIST = \
 	usrstack.stdout.exp
 
 check_PROGRAMS = \
-	auxv bug452274 bug498317 bug499212 fexecve hello_world open_client osrel \
-        proc_pid_file sanity_level_thread swapcontext umtx_shm_creat usrstack
+	auxv bug452274 bug498317 bug499212 fexecve hello_world open_client \
+	osrel proc_pid_file readlinkat sanity_level_thread swapcontext \
+	umtx_shm_creat usrstack
 
 AM_CFLAGS   += $(AM_FLAG_M3264_PRI)
 AM_CXXFLAGS += $(AM_FLAG_M3264_PRI)
@@ -84,6 +87,7 @@ swapcontext_CFLAGS = ${AM_CFLAGS}
 hello_world_SOURCES = hello_world.cpp
 open_client_SOURCES = open_client.cpp
 proc_pid_file_SOURCES = proc_pid_file.cpp
+readlinkat_SOURCES = readlinkat.cpp
 
 sanity_level_thread_SOURCES = sanity_level_thread.cpp
 sanity_level_thread_LDFLAGS = ${AM_LDFLAGS} -pthread
diff --git a/none/tests/freebsd/readlinkat.cpp b/none/tests/freebsd/readlinkat.cpp
new file mode 100644
index 000000000..8b33a8b63
--- /dev/null
+++ b/none/tests/freebsd/readlinkat.cpp
@@ -0,0 +1,56 @@
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <iostream>
+#include <cstring>
+
+int main()
+{
+    char path[MAXPATHLEN];
+    char linkedPath[MAXPATHLEN];
+    char currentDirectory[MAXPATHLEN];
+    char parentDirectory[MAXPATHLEN];
+
+    getcwd(currentDirectory, MAXPATHLEN);
+
+    ssize_t res = readlinkat(AT_FDCWD, "readlinkat_link.cpp", linkedPath, MAXPATHLEN);
+    if (res == -1)
+    {
+        std::cerr << "Error: readlinkat test 1 failed\n";
+    }
+    if (!strcmp(linkedPath, "readlink.cpp"))
+    {
+        std::cerr << "Error: readlinkat test 1 unexpected resolved path - " << linkedPath << '\n';
+    }
+
+    int dotdot;
+    if ((dotdot = open("..", O_DIRECTORY | O_RDONLY)) == -1)
+    {
+        throw std::runtime_error("failed to open .");
+    }
+    else
+    {
+        res = readlinkat(dotdot, "freebsd/readlinkat_link.cpp", linkedPath, MAXPATHLEN);
+         if (res == -1)
+        {
+            std::cerr << "Error: readlinkat test 2 failed\n";
+        }
+        if (!strcmp(linkedPath, "readlink.cpp"))
+        {
+            std::cerr << "Error: readlinkat test 2 unexpected resolved path - " << linkedPath << '\n';
+        }
+    }
+    close(dotdot);
+
+    chdir("..");
+    res = readlinkat(AT_FDCWD, "freebsd/readlinkat_link.cpp", linkedPath, MAXPATHLEN);
+    if (res == -1)
+    {
+        std::cerr << "Error: readlinkat test 3 failed\n";
+    }
+    if (!strcmp(linkedPath, "readlink.cpp"))
+    {
+        std::cerr << "Error: readlinkat test 3 unexpected resolved path - " << linkedPath << '\n';
+    }
+}
diff --git a/none/tests/freebsd/readlinkat.stderr.exp b/none/tests/freebsd/readlinkat.stderr.exp
new file mode 100644
index 000000000..e69de29bb
diff --git a/none/tests/freebsd/readlinkat.vgtest b/none/tests/freebsd/readlinkat.vgtest
new file mode 100644
index 000000000..4942f8ca9
--- /dev/null
+++ b/none/tests/freebsd/readlinkat.vgtest
@@ -0,0 +1,4 @@
+prereq: rm -f readlinkat_link.cpp && ln -s readlinkat.cpp readlinkat_link.cpp
+prog: readlinkat
+vgopts: -q
+post: rm -f readlinkat_link.cpp