summaryrefslogtreecommitdiff
path: root/src/libstddjb/siovec_trunc.c
diff options
context:
space:
mode:
authorLaurent Bercot <ska-skaware@skarnet.org>2015-02-05 23:56:14 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2015-02-05 23:56:14 +0000
commit153a646667ff5ae7578a6027938524db91c40821 (patch)
tree429f092f8254acbb207302d9dd8c790bc596322f /src/libstddjb/siovec_trunc.c
parentcea441e894405c6d28e302ae4360e9f848b37797 (diff)
downloadskalibs-153a646667ff5ae7578a6027938524db91c40821.tar.xz
- Add siovec_trunc
- Add openwritevnclose - replace buffer_read/write with fd_readsv/writesv - add localtmn_from_tain_g - refactor cdb_make - rewrite buffer_getvall and buffer_putvall, with a bugfix
Diffstat (limited to 'src/libstddjb/siovec_trunc.c')
-rw-r--r--src/libstddjb/siovec_trunc.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstddjb/siovec_trunc.c b/src/libstddjb/siovec_trunc.c
new file mode 100644
index 0000000..c09225a
--- /dev/null
+++ b/src/libstddjb/siovec_trunc.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/bytestr.h>
+#include <skalibs/siovec.h>
+
+unsigned int siovec_trunc (siovec_t *v, unsigned int n, unsigned int len)
+{
+ register unsigned int i = siovec_len(v, n) ;
+ if (i < len) return n ;
+ len = i - len ;
+ i = n ;
+ while (len && i--)
+ {
+ register unsigned int w = len > v[i].len ? v[i].len : len ;
+ v[i].len -= w ; len -= w ;
+ }
+ return i ;
+}