Not all architectures implement lseek(), for example riscv32 only implements llseek() which is not equivalent to normal lseek(). Remove the need for lseek() by using a pipe instead.
Signed-off-by: Thomas Weißschuh linux@weissschuh.net --- tools/testing/selftests/nolibc/nolibc-test.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 60c50968d3630e4909a5ecb2400770baaf7c2add..3685c13a9a6b8fd5110715b95ff323cdcb29481a 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -1229,19 +1229,20 @@ int run_stdlib(int min, int max)
static int expect_vfprintf(int llen, int c, const char *expected, const char *fmt, ...) { - int ret, fd; + int ret, pipefd[2]; ssize_t w, r; char buf[100]; FILE *memfile; va_list args;
- fd = open("/tmp", O_TMPFILE | O_EXCL | O_RDWR, 0600); - if (fd == -1) { - result(llen, SKIPPED); - return 0; + ret = pipe(pipefd); + if (ret == -1) { + llen += printf(" pipe() != %s", strerror(errno)); + result(llen, FAIL); + return 1; }
- memfile = fdopen(fd, "w+"); + memfile = fdopen(pipefd[1], "w"); if (!memfile) { result(llen, FAIL); return 1; @@ -1257,13 +1258,10 @@ static int expect_vfprintf(int llen, int c, const char *expected, const char *fm return 1; }
- fflush(memfile); - lseek(fd, 0, SEEK_SET); - - r = read(fd, buf, sizeof(buf) - 1); - fclose(memfile);
+ r = read(pipefd[0], buf, sizeof(buf) - 1); + if (r != w) { llen += printf(" written(%d) != read(%d)", (int)w, (int)r); result(llen, FAIL);