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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/skagetlnsep.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/skagetlnsep.c')
-rw-r--r--src/libstddjb/skagetlnsep.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/libstddjb/skagetlnsep.c b/src/libstddjb/skagetlnsep.c
new file mode 100644
index 0000000..1d3b4ef
--- /dev/null
+++ b/src/libstddjb/skagetlnsep.c
@@ -0,0 +1,27 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/buffer.h>
+#include <skalibs/siovec.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/skamisc.h>
+
+int skagetlnsep (buffer *b, stralloc *sa, char const *sep, unsigned int seplen)
+{
+ unsigned int start = sa->len ;
+ for (;;)
+ {
+ siovec_t v[2] ;
+ unsigned int pos ;
+ int r ;
+ buffer_rpeek(b, v) ;
+ pos = siovec_bytein(v, 2, sep, seplen) ;
+ r = pos < buffer_len(b) ; pos += r ;
+ if (!stralloc_readyplus(sa, pos)) return -1 ;
+ buffer_getnofill(b, sa->s + sa->len, pos) ; sa->len += pos ;
+ if (r) return 1 ;
+ r = buffer_fill(b) ;
+ if (r < 0) return r ;
+ if (!r) return (sa->s && (sa->len > start)) ? (errno = EPIPE, -1) : 0 ;
+ }
+}