[v2 PATCH 7/12] output: Fix fmtstr return value

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

The function fmtstr is meant to return the actual length of output
produced, rather than the untruncated length.

Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---

 src/output.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/output.c b/src/output.c
index 4d3b4c2..34243ea 100644
--- a/src/output.c
+++ b/src/output.c
@@ -286,7 +286,7 @@ fmtstr(char *outbuf, size_t length, const char *fmt, ...)
 	va_start(ap, fmt);
 	ret = xvsnprintf(outbuf, length, fmt, ap);
 	va_end(ap);
-	return ret;
+	return ret > (int)length ? length : ret;
 }
 
 
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