ossp-pkg/l2/l2_channel.c 1.27 -> 1.28
--- l2_channel.c 2002/01/02 17:07:38 1.27
+++ l2_channel.c 2002/07/24 09:36:54 1.28
@@ -334,6 +334,7 @@
/* write to channel */
l2_result_t l2_channel_write(l2_channel_t *ch, l2_level_t level, const char *buf, size_t bufsize)
{
+ int l, j;
l2_result_t rv;
l2_result_t rvD;
l2_channel_t *chD;
@@ -346,6 +347,17 @@
if (ch->state != L2_CHSTATE_OPENED)
return L2_ERR_USE;
+ /* make sure only a single level is specified */
+ for (l = level, j = 0; l != 0; l = (l >> 1))
+ if (l & 0x1)
+ j++;
+ if (j != 1)
+ return L2_ERR_ARG;
+
+ /* check whether level mask already stops processing */
+ if (!(ch->levelmask & level))
+ return L2_OK;
+
/* short circuiting */
if (bufsize == 0)
return L2_OK;
|
|
