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+/**
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+ * @file value_utils.c
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+ * @author Ambroz Bizjak <ambrop7@gmail.com>
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+ *
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+ * @section LICENSE
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are met:
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+ * 1. Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ * 2. Redistributions in binary form must reproduce the above copyright
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+ * notice, this list of conditions and the following disclaimer in the
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+ * documentation and/or other materials provided with the distribution.
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+ * 3. Neither the name of the author nor the
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+ * names of its contributors may be used to endorse or promote products
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+ * derived from this software without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ */
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+
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+#include <stdint.h>
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+#include <stddef.h>
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+#include <limits.h>
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+
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+#include <misc/debug.h>
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+#include <misc/parse_number.h>
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+#include <misc/strdup.h>
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+#include <misc/balloc.h>
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+#include <system/BTime.h>
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+#include <ncd/NCDVal.h>
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+#include <ncd/NCDStringIndex.h>
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+#include <ncd/NCDEvaluator.h>
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+#include <ncd/static_strings.h>
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+
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+#include "value_utils.h"
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+
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+int ncd_is_none (NCDValRef string)
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+{
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+ ASSERT(NCDVal_IsString(string))
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+
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+ if (NCDVal_IsIdString(string)) {
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+ return NCDVal_IdStringId(string) == NCD_STRING_NONE;
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+ } else {
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+ return NCDVal_StringEquals(string, "<none>");
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+ }
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+}
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+
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+NCDValRef ncd_make_boolean (NCDValMem *mem, int value, NCDStringIndex *string_index)
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+{
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+ ASSERT(mem)
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+ ASSERT(string_index)
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+
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+ NCD_string_id_t str_id = (value ? NCD_STRING_TRUE : NCD_STRING_FALSE);
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+ return NCDVal_NewIdString(mem, str_id, string_index);
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+}
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+
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+int ncd_read_boolean (NCDValRef string)
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+{
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+ ASSERT(NCDVal_IsString(string))
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+
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+ if (NCDVal_IsIdString(string)) {
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+ return NCDVal_IdStringId(string) == NCD_STRING_TRUE;
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+ } else {
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+ return NCDVal_StringEquals(string, "true");
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+ }
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+}
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+
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+int ncd_read_uintmax (NCDValRef string, uintmax_t *out)
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+{
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+ ASSERT(NCDVal_IsString(string))
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+ ASSERT(out)
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+
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+ size_t length = NCDVal_StringLength(string);
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+
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+ if (NCDVal_IsContinuousString(string)) {
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+ return parse_unsigned_integer_bin(NCDVal_StringData(string), length, out);
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+ }
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+
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+ b_cstring cstr = NCDVal_StringCstring(string);
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+
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+ return parse_unsigned_integer_cstr(cstr, 0, cstr.length, out);
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+}
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+
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+int ncd_read_time (NCDValRef string, btime_t *out)
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+{
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+ ASSERT(NCDVal_IsString(string))
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+ ASSERT(out)
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+
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+ uintmax_t n;
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+ if (!ncd_read_uintmax(string, &n)) {
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+ return 0;
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+ }
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+
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+ if (n > INT64_MAX) {
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+ return 0;
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+ }
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+
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+ *out = n;
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+ return 1;
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+}
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+
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+NCD_string_id_t ncd_get_string_id (NCDValRef string, NCDStringIndex *string_index)
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+{
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+ ASSERT(NCDVal_IsString(string))
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+ ASSERT(string_index)
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+
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+ if (NCDVal_IsIdString(string)) {
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+ return NCDVal_IdStringId(string);
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+ } else if (NCDVal_IsContinuousString(string)) {
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+ return NCDStringIndex_GetBin(string_index, NCDVal_StringData(string), NCDVal_StringLength(string));
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+ }
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+
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+ b_cstring cstr = NCDVal_StringCstring(string);
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+
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+ char *temp = b_cstring_strdup(cstr, 0, cstr.length);
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+ if (!temp) {
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+ return -1;
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+ }
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+
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+ NCD_string_id_t res = NCDStringIndex_GetBin(string_index, temp, cstr.length);
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+ BFree(temp);
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+
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+ return res;
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+}
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+
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+NCDValRef ncd_make_uintmax (NCDValMem *mem, uintmax_t value)
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+{
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+ ASSERT(mem)
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+
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+ int size = compute_decimal_repr_size(value);
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+
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+ NCDValRef val = NCDVal_NewStringUninitialized(mem, size);
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+
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+ if (!NCDVal_IsInvalid(val)) {
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+ char *data = (char *)NCDVal_StringData(val);
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+ generate_decimal_repr(value, data, size);
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+ }
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+
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+ return val;
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+}
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+
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+char * ncd_strdup (NCDValRef stringnonulls)
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+{
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+ ASSERT(NCDVal_IsStringNoNulls(stringnonulls))
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+
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+ size_t length = NCDVal_StringLength(stringnonulls);
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+
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+ if (NCDVal_IsContinuousString(stringnonulls)) {
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+ return b_strdup_bin(NCDVal_StringData(stringnonulls), length);
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+ }
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+
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+ b_cstring cstr = NCDVal_StringCstring(stringnonulls);
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+
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+ return b_cstring_strdup(cstr, 0, cstr.length);
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+}
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+
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+int ncd_eval_func_args_ext (NCDEvaluatorArgs args, size_t start, size_t count, NCDValMem *mem, NCDValRef *out)
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+{
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+ ASSERT(start <= NCDEvaluatorArgs_Count(&args))
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+ ASSERT(count <= NCDEvaluatorArgs_Count(&args) - start)
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+
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+ *out = NCDVal_NewList(mem, count);
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+ if (NCDVal_IsInvalid(*out)) {
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+ goto fail;
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+ }
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+
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+ for (size_t i = 0; i < count; i++) {
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+ NCDValRef elem;
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+ if (!NCDEvaluatorArgs_EvalArg(&args, start + i, mem, &elem)) {
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+ goto fail;
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+ }
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+ if (!NCDVal_ListAppend(*out, elem)) {
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+ goto fail;
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+ }
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+ }
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+
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+ return 1;
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+
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+fail:
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+ return 0;
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+}
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+
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+int ncd_eval_func_args (NCDEvaluatorArgs args, NCDValMem *mem, NCDValRef *out)
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+{
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+ return ncd_eval_func_args_ext(args, 0, NCDEvaluatorArgs_Count(&args), mem, out);
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+}
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