[LTP] [PATCH v4 02/12] Add SAFE_PTSNAME macro

[Andrea Cervesato]

From: Andrea Cervesato <andrea.cervesato@suse.com>

Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 include/tst_safe_macros.h |  4 ++++
 lib/tst_safe_macros.c     | 14 ++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/include/tst_safe_macros.h b/include/tst_safe_macros.h
index a9fa7dbe128f17eace381fdf9f2795684e55969b..6985aa4bd80af2ff8a7c606fdba9830bb5ccd195 100644
--- a/include/tst_safe_macros.h
+++ b/include/tst_safe_macros.h
@@ -528,4 +528,8 @@ ssize_t safe_writev(const char *file, const int lineno, char len_strict,
 	safe_writev(__FILE__, __LINE__, (len_strict), (fildes), \
 		(iov), (iovcnt))
 
+char *safe_ptsname(const char *const file, const int lineno, int masterfd);
+#define SAFE_PTSNAME(masterfd) \
+	safe_ptsname(__FILE__, __LINE__, (masterfd))
+
 #endif /* TST_SAFE_MACROS_H__ */
diff --git a/lib/tst_safe_macros.c b/lib/tst_safe_macros.c
index 633b00404a56aafce6322e43bd614070d085e643..ba095a6215a8a053ad7397b4a541b26f02439b0f 100644
--- a/lib/tst_safe_macros.c
+++ b/lib/tst_safe_macros.c
@@ -796,3 +796,17 @@ ssize_t safe_writev(const char *file, const int lineno, char len_strict,
 
 	return rval;
 }
+
+char *safe_ptsname(const char *const file, const int lineno, int masterfd)
+{
+	char *name;
+
+	name = ptsname(masterfd);
+
+	if (!name) {
+		tst_brk_(file, lineno, TBROK | TERRNO,
+			"ptsname(%d) failed", masterfd);
+	}
+
+	return name;
+}

-- 
2.43.0