From 30dbae2dbe42fe88b1dbdc3b0a3a80d5537697ec Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Thu, 21 Dec 2017 12:04:17 -0600
Subject: [PATCH] reopen should return NULL when oflags is less than 0, not
equal to 0. Because negative value is returned on failure of lib_mode2offlags
which converts the mode string into file open mode flag.
---
libc/stdio/lib_freopen.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libc/stdio/lib_freopen.c b/libc/stdio/lib_freopen.c
index 830ea9a78f..0fffc1bd96 100644
--- a/libc/stdio/lib_freopen.c
+++ b/libc/stdio/lib_freopen.c
@@ -113,7 +113,7 @@ FAR FILE *freopen(FAR const char *path, FAR const char *mode,
/* Convert the mode string into standard file open mode flags. */
oflags = lib_mode2oflags(mode);
- if (oflags == 0)
+ if (oflags < 0)
{
return NULL;
}
--
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