always use the same code for creating temporary files

Let's unify our code here, and also always specifiy O_CLOEXEC.

src/test/test-fileio.c

@@ -41,11 +41,11 @@ static void test_parse_env_file(void) {
         char **i;
         unsigned k;
 
-        fd = mkstemp(p);
+        fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC);
         assert_se(fd >= 0);
         close(fd);
 
-        fd = mkostemp(t, O_CLOEXEC);
+        fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
         assert_se(fd >= 0);
 
         f = fdopen(fd, "w");
@@ -154,11 +154,11 @@ static void test_parse_multiline_env_file(void) {
         _cleanup_strv_free_ char **a = NULL, **b = NULL;
         char **i;
 
-        fd = mkstemp(p);
+        fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC);
         assert_se(fd >= 0);
         close(fd);
 
-        fd = mkostemp(t, O_CLOEXEC);
+        fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
         assert_se(fd >= 0);
 
         f = fdopen(fd, "w");
@@ -207,7 +207,7 @@ static void test_executable_is_script(void) {
         FILE *f;
         char *command;
 
-        fd = mkostemp(t, O_CLOEXEC);
+        fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
         assert_se(fd >= 0);
 
         f = fdopen(fd, "w");

src/test/test-tmpfiles.c

@@ -34,13 +34,13 @@ int main(int argc, char** argv) {
         _cleanup_close_ int fd, fd2;
         _cleanup_free_ char *cmd, *cmd2;
 
-        fd = open_tmpfile(p, O_RDWR);
+        fd = open_tmpfile(p, O_RDWR|O_CLOEXEC);
         assert(fd >= 0);
 
         assert_se(asprintf(&cmd, "ls -l /proc/"PID_FMT"/fd/%d", getpid(), fd) > 0);
         system(cmd);
 
-        fd2 = mkostemp_safe(pattern, O_RDWR);
+        fd2 = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC);
         assert(fd >= 0);
         assert_se(unlink(pattern) == 0);
 

src/test/test-unit-file.c

@@ -25,6 +25,7 @@
 #include <stddef.h>
 #include <string.h>
 #include <unistd.h>
+#include <fcntl.h>
 
 #include "install.h"
 #include "install-printf.h"
@@ -221,7 +222,9 @@ static void test_load_env_file_1(void) {
         int r;
 
         char name[] = "/tmp/test-load-env-file.XXXXXX";
-        _cleanup_close_ int fd = mkstemp(name);
+        _cleanup_close_ int fd;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
         assert(fd >= 0);
         assert_se(write(fd, env_file_1, sizeof(env_file_1)) == sizeof(env_file_1));
 
@@ -242,7 +245,9 @@ static void test_load_env_file_2(void) {
         int r;
 
         char name[] = "/tmp/test-load-env-file.XXXXXX";
-        _cleanup_close_ int fd = mkstemp(name);
+        _cleanup_close_ int fd;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
         assert(fd >= 0);
         assert_se(write(fd, env_file_2, sizeof(env_file_2)) == sizeof(env_file_2));
 
@@ -258,7 +263,9 @@ static void test_load_env_file_3(void) {
         int r;
 
         char name[] = "/tmp/test-load-env-file.XXXXXX";
-        _cleanup_close_ int fd = mkstemp(name);
+        _cleanup_close_ int fd;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
         assert(fd >= 0);
         assert_se(write(fd, env_file_3, sizeof(env_file_3)) == sizeof(env_file_3));
 
@@ -270,10 +277,11 @@ static void test_load_env_file_3(void) {
 
 static void test_load_env_file_4(void) {
         _cleanup_strv_free_ char **data = NULL;
+        char name[] = "/tmp/test-load-env-file.XXXXXX";
+        _cleanup_close_ int fd;
         int r;
 
-        char name[] = "/tmp/test-load-env-file.XXXXXX";
-        _cleanup_close_ int fd = mkstemp(name);
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
         assert(fd >= 0);
         assert_se(write(fd, env_file_4, sizeof(env_file_4)) == sizeof(env_file_4));
 

src/test/test-util.c

@@ -56,9 +56,9 @@ static void test_close_many(void) {
         char name1[] = "/tmp/test-close-many.XXXXXX";
         char name2[] = "/tmp/test-close-many.XXXXXX";
 
-        fds[0] = mkstemp(name0);
-        fds[1] = mkstemp(name1);
-        fds[2] = mkstemp(name2);
+        fds[0] = mkostemp_safe(name0, O_RDWR|O_CLOEXEC);
+        fds[1] = mkostemp_safe(name1, O_RDWR|O_CLOEXEC);
+        fds[2] = mkostemp_safe(name2, O_RDWR|O_CLOEXEC);
 
         close_many(fds, 2);
 
@@ -591,7 +591,7 @@ static void test_writev_safe(void) {
         IOVEC_SET_STRING(iov[1], ALPHANUMERICAL "\n");
         IOVEC_SET_STRING(iov[2], "");
 
-        fd = mkstemp(name);
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
         printf("test_writev_safe: %s", name);
 
         r = writev_safe(fd, iov, 3);