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Subject[PATCH v2 12/15] selftests/nolibc: add common get_tmpfile()
Date
allow create and get a temporary file from tmpfs.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
tools/testing/selftests/nolibc/nolibc-test.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 8e3e2792f5e3..1002e0267515 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -54,6 +54,23 @@ struct test {
int (*func)(int min, int max); /* handler */
};

+static const char *get_tmpfile(const char *tmpfile)
+{
+ struct stat stat_buf;
+ int fd;
+
+ if (stat(tmpfile, &stat_buf) == 0)
+ return tmpfile;
+
+ fd = open(tmpfile, O_CREAT, 0600);
+ if (fd != -1) {
+ close(fd);
+ return tmpfile;
+ }
+
+ return NULL;
+}
+
#ifndef _NOLIBC_STDLIB_H
char *itoa(int i)
{
--
2.25.1
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