43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/*
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* Treebird - Lightweight frontend for Pleroma
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* Copyright (C) 2022 Nekobit
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef STRING_HELPERS_H
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#define STRING_HELPERS_H
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#include <stddef.h>
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/** Returns str. If NULL, returns empty string */
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#define STR_NULL_EMPTY(str) ((str) ? (str) : "")
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/**
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* Constructs a string based on a function
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*
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* @param func A function, with void* being the string,
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* size_t being an index, and int* being the returned parse size
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* @param strings The array of strings
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* @param strings_len len of `strings`
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* @param ret_size Set to the full result string size, useful for large
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* results
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* @return The result, this MUST be free'd when finished and checked for NULL.
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*/
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char* construct_func_strings(char* (*func)(void*, size_t, int*),
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void* strings,
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size_t strings_len,
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size_t* ret_size);
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#endif // STRING_HELPERS_H
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