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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
commit3534b428629be185e096be99e3bd5fdfe32d5544 (patch)
tree210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/libstddjb/cbuffer_rpeek.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/cbuffer_rpeek.c')
-rw-r--r--src/libstddjb/cbuffer_rpeek.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/libstddjb/cbuffer_rpeek.c b/src/libstddjb/cbuffer_rpeek.c
new file mode 100644
index 0000000..22a1ef5
--- /dev/null
+++ b/src/libstddjb/cbuffer_rpeek.c
@@ -0,0 +1,21 @@
+/* ISC license. */
+
+#include <skalibs/cbuffer.h>
+#include <skalibs/siovec.h>
+
+void cbuffer_rpeek (cbuffer_t *b, siovec_t *v)
+{
+ v[0].s = b->x + b->p ;
+ if (b->n >= b->p)
+ {
+ v[0].len = b->n - b->p ;
+ v[1].s = 0 ;
+ v[1].len = 0 ;
+ }
+ else
+ {
+ v[0].len = b->a - b->p ;
+ v[1].s = b->x ;
+ v[1].len = b->n ;
+ }
+}