53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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/*
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* Copyright 2021 Regents of the University of Michigan
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "csv.h"
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int csv_find_index(char *header, const char **names, size_t names_len)
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{
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char *split = header;
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for (int idx = 0; split != NULL; ++idx) {
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char *front = (idx == 0) ? split : split + 1;
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for (size_t i = 0; i < names_len; ++i) {
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if (strncmp(front, names[i], strlen(names[i])) == 0) {
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return idx;
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}
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}
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split = strchr(front, ',');
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}
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return -1;
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}
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char *csv_get_index(char *row, size_t idx)
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{
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char *split = row;
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for (size_t i = 0; i < idx; ++i) {
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split = strchr(split + 1, ',');
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if (split == NULL) {
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return NULL;
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}
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}
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char *entry;
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char *start = (idx == 0) ? split : split + 1;
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char *end = strchr(start, ',');
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if (end != NULL) {
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entry = strndup(start, end - start);
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} else {
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entry = strdup(start);
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}
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return entry;
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}
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