[LTP] [PATCH v5 2/3] Print prot flag when SAFE_MMAP() fails

[Andrea Cervesato]

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

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 include/tst_safe_macros.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/tst_safe_macros.h b/include/tst_safe_macros.h
index 15f914619..63ad46b85 100644
--- a/include/tst_safe_macros.h
+++ b/include/tst_safe_macros.h
@@ -304,12 +304,18 @@ static inline void *safe_mmap(const char *file, const int lineno,
                               int prot, int flags, int fd, off_t offset)
 {
 	void *rval;
+	char *prot_buf;
 
 	rval = mmap(addr, length, prot, flags, fd, offset);
 	if (rval == MAP_FAILED) {
+		prot_buf = (char*) safe_malloc(file, lineno, 0, 512);
+		prot_to_str(prot, prot_buf);
+
 		tst_brk_(file, lineno, TBROK | TERRNO,
-			"mmap(%p,%zu,%d,%d,%d,%ld) failed",
-			addr, length, prot, flags, fd, (long) offset);
+			"mmap(%p,%zu,%s(%x),%d,%d,%ld) failed",
+			addr, length, prot_buf, prot, flags, fd, (long) offset);
+
+		free(prot_buf);
 	}
 
 	return rval;
-- 
2.35.3