105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/**
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* @file make_name_indices.h
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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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#ifndef BADVPN_MAKE_NAME_INDICES_H
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#define BADVPN_MAKE_NAME_INDICES_H
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#include <stdlib.h>
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#include <stddef.h>
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#include <misc/strdup.h>
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#include <misc/balloc.h>
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#include <misc/debug.h>
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#include <ncd/NCDStringIndex.h>
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static int ncd_make_name_indices (NCDStringIndex *string_index, const char *name, NCD_string_id_t **out_varnames, size_t *out_num_names) WARN_UNUSED;
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static size_t split_string_inplace2__indices (char *str, char del)
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{
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ASSERT(str)
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size_t num_extra_parts = 0;
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while (*str) {
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if (*str == del) {
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*str = '\0';
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num_extra_parts++;
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}
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str++;
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}
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return num_extra_parts;
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}
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static int ncd_make_name_indices (NCDStringIndex *string_index, const char *name, NCD_string_id_t **out_varnames, size_t *out_num_names)
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{
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ASSERT(string_index)
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ASSERT(name)
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ASSERT(out_varnames)
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ASSERT(out_num_names)
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char *data = b_strdup(name);
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if (!data) {
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goto fail0;
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}
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size_t num_names = split_string_inplace2__indices(data, '.') + 1;
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NCD_string_id_t *varnames = BAllocArray(num_names, sizeof(varnames[0]));
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if (!varnames) {
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goto fail1;
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}
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char *cur = data;
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for (size_t i = 0; i < num_names; i++) {
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NCD_string_id_t id = NCDStringIndex_Get(string_index, cur);
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if (id < 0) {
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goto fail2;
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}
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varnames[i] = id;
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cur += strlen(cur) + 1;
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}
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free(data);
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*out_varnames = varnames;
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*out_num_names = num_names;
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return 1;
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fail2:
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BFree(varnames);
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fail1:
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free(data);
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fail0:
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return 0;
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}
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#endif
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