59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/**
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* sci - a simple ci system
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Copyright (C) 2024 Asger Gitz-Johansen
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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 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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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 General Public License for more details.
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You should have received a copy of the GNU 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 SCI_STRLIST_H
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#define SCI_STRLIST_H
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// doubly linked list
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typedef struct strlist_node {
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char* str;
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struct strlist_node* previous;
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struct strlist_node* next;
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} strlist_node;
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// Create a new root node.
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// This function is not threadsafe.
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strlist_node* create_strlist_node(char* str);
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// Add a new string to the string list.
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// This function is not threadsafe.
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strlist_node* add_str(char* str, strlist_node* root);
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// add a new string list node to the list.
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// This function is not threadsafe.
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strlist_node* add_str_node(strlist_node* str_node, strlist_node* root);
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// Remove a string list node from the list.
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// This will free the str and stitch the "previous" and "next" ptrs.
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// This function is not threadsafe.
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void remove_strlist_node(strlist_node* node);
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// Completely clear the list.
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// The list is completely invalid after this call and should be discarded.
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// root itself will not be free'd by this function, but all content will be.
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// This function is not threadsafe.
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void clear_strlist(strlist_node* root);
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// Convert a strlist to an array of strings.
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// Note that this copies the strlist, you still have to free it.
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// The array itself is NULL terminated, enabling you to iterate to the end.
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// The array should be free'd, as well as each of the entries.
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// Returns NULL if the provided strlist is empty.
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char** strlist_to_array(strlist_node* root);
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#endif
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