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[PATCH] transport-helper.c: fix check for size_t < 0

From
Nicolas Kaiser <nikai@nikai.net>
Date
Mar 4, 2011, 19:28 UTC
Message-ID
<20110304202834.2e74d56d@absol.kitzblitz>

'bytes' is unsigned of type size_t, and can't be negative. But the assigned write() returns ssize_t, and -1 on error. For testing < 0, 'bytes' needs to be of a signed type.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
---
Testsuite did not regress at my place.
 transport-helper.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/transport-helper.c b/transport-helper.c
index 4e4754c..710b6f1 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -973,7 +973,7 @@ static int udt_do_read(struct unidirectional_transfer *t)
  */
 static int udt_do_write(struct unidirectional_transfer *t)
 {
-	size_t bytes;
+	int bytes;
 
 	if (t->bufuse == 0)
 		return 0;	/* Nothing to write. */
@@ -989,7 +989,7 @@ static int udt_do_write(struct unidirectional_transfer *t)
 		if (t->bufuse)
 			memmove(t->buf, t->buf + bytes, t->bufuse);
 		transfer_debug("Wrote %i bytes to %s (buffer now at %i)",
-			(int)bytes, t->dest_name, (int)t->bufuse);
+			bytes, t->dest_name, (int)t->bufuse);
 	}
 	return 0;
 }
-- 
1.7.3.4
Next: Piotr Krukowiecki
Message 1 of 3 in “transport-helper.c: fix check for size_t < 0”
  1. transport-helper.c: fix check for size_t < 0Nicolas Kaiser, Mar 4, 2011
  2. Piotr KrukowieckiMar 4, 2011
  3. transport-helper.c: fix check for size_t < 0 v2Nicolas Kaiser, Mar 4, 2011

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