[LTP] [PATCH v5 1/2] tst_safe_macros.h: Add SAFE_STATVFS

[Wei Gao]

Signed-off-by: Wei Gao <wegao@suse.com>
---
 include/tst_safe_macros.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/include/tst_safe_macros.h b/include/tst_safe_macros.h
index f2ce8919b..777f81b5f 100644
--- a/include/tst_safe_macros.h
+++ b/include/tst_safe_macros.h
@@ -429,6 +429,27 @@ static inline int safe_statfs(const char *file, const int lineno,
 #define SAFE_STATFS(path, buf) \
 	safe_statfs(__FILE__, __LINE__, (path), (buf))
 
+static inline int safe_statvfs(const char *file, const int lineno,
+                              const char *path, struct statvfs *buf)
+{
+	int rval;
+
+	rval = statvfs(path, buf);
+
+	if (rval == -1) {
+		tst_brk_(file, lineno, TBROK | TERRNO,
+			"statvfs(%s,%p) failed", path, buf);
+	} else if (rval) {
+		tst_brk_(file, lineno, TBROK | TERRNO,
+			"Invalid statvfs(%s,%p) return value %d", path, buf,
+			rval);
+	}
+
+	return rval;
+}
+#define SAFE_STATVFS(path, buf) \
+	safe_statvfs(__FILE__, __LINE__, (path), (buf))
+
 static inline off_t safe_lseek(const char *file, const int lineno,
                                int fd, off_t offset, int whence)
 {
-- 
2.35.3