unikernel/duniverse/bigstringaf/lib/runtime.js

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+/*----------------------------------------------------------------------------
+    Copyright (c) 2017 Inhabited Type LLC.
+
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    3. Neither the name of the author nor the names of his contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
+    OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
+    ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+    ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+  ----------------------------------------------------------------------------*/
+
+//Provides: bigstringaf_blit_to_bytes
+//Requires: caml_bigstring_blit_ba_to_bytes
+function bigstringaf_blit_to_bytes(src, src_off, dst, dst_off, len) {
+  return caml_bigstring_blit_ba_to_bytes(src,src_off,dst,dst_off,len);
+}
+
+//Provides: bigstringaf_blit_to_bigstring
+//Requires: caml_bigstring_blit_ba_to_ba
+function bigstringaf_blit_to_bigstring(src, src_off, dst, dst_off, len) {
+  return caml_bigstring_blit_ba_to_ba(src, src_off, dst, dst_off, len);
+}
+
+//Provides: bigstringaf_blit_from_bytes
+//Requires: caml_bigstring_blit_string_to_ba
+function bigstringaf_blit_from_bytes(src, src_off, dst, dst_off, len) {
+  return caml_bigstring_blit_string_to_ba(src, src_off, dst, dst_off, len);
+}
+
+//Provides: bigstringaf_memcmp_bigstring
+//Requires: caml_ba_get_1, caml_int_compare
+function bigstringaf_memcmp_bigstring(ba1, ba1_off, ba2, ba2_off, len) {
+  for (var i = 0; i < len; i++) {
+    var c = caml_int_compare(caml_ba_get_1(ba1, ba1_off + i), caml_ba_get_1(ba2, ba2_off + i));
+    if (c != 0) return c
+  }
+  return 0;
+}
+
+//Provides: bigstringaf_memcmp_string
+//Requires: caml_ba_get_1, caml_int_compare, caml_string_unsafe_get
+function bigstringaf_memcmp_string(ba, ba_off, str, str_off, len) {
+  for (var i = 0; i < len; i++) {
+    var c = caml_int_compare(caml_ba_get_1(ba, ba_off + i), caml_string_unsafe_get(str, str_off + i));
+    if (c != 0) return c
+  }
+  return 0;
+}
+
+//Provides: bigstringaf_memchr
+//Requires: caml_ba_get_1
+function bigstringaf_memchr(ba, ba_off, chr, len) {
+  for (var i = 0; i < len; i++) {
+    if (caml_ba_get_1(ba, ba_off + i) == chr) {
+      return (ba_off + i);
+    }
+  }
+  return -1;
+}