[v4,07/54] tests/qtest: boot-serial-test: Avoid using hardcoded /tmp

Commit Message

Bin Meng Sept. 27, 2022, 11:05 a.m. UTC

From: Bin Meng <[e-mail]>

This case was written to use hardcoded /tmp directory for temporary
files. Update to use g_file_open_tmp() for a portable implementation.

Signed-off-by: Bin Meng <[e-mail]>
Reviewed-by: Thomas Huth <[e-mail]>
---

(no changes since v3)

Changes in v3:
- Split to a separate patch
- Ensure g_autofree variable is initialized

 tests/qtest/boot-serial-test.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Patch

diff --git a/tests/qtest/boot-serial-test.c b/tests/qtest/boot-serial-test.c
index 2f99d71cab..72310ba30e 100644
--- a/tests/qtest/boot-serial-test.c
+++ b/tests/qtest/boot-serial-test.c
@@ -224,14 +224,14 @@  static bool check_guest_output(QTestState *qts, const testdef_t *test, int fd)
 static void test_machine(const void *data)
 {
     const testdef_t *test = data;
-    char serialtmp[] = "/tmp/qtest-boot-serial-sXXXXXX";
-    char codetmp[] = "/tmp/qtest-boot-serial-cXXXXXX";
+    g_autofree char *serialtmp = NULL;
+    g_autofree char *codetmp = NULL;
     const char *codeparam = "";
     const uint8_t *code = NULL;
     QTestState *qts;
     int ser_fd;
 
-    ser_fd = mkstemp(serialtmp);
+    ser_fd = g_file_open_tmp("qtest-boot-serial-sXXXXXX", &serialtmp, NULL);
     g_assert(ser_fd != -1);
 
     if (test->kernel) {
@@ -246,7 +246,7 @@  static void test_machine(const void *data)
         ssize_t wlen;
         int code_fd;
 
-        code_fd = mkstemp(codetmp);
+        code_fd = g_file_open_tmp("qtest-boot-serial-cXXXXXX", &codetmp, NULL);
         g_assert(code_fd != -1);
         wlen = write(code_fd, code, test->codesize);
         g_assert(wlen == test->codesize);