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flipperzero-firmware/lib/toolbox/str_buffer.h

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/**
* @file str_buffer.h
*
* Allows you to create an owned clone of however many strings that you need,
* then free all of them at once. Essentially the simplest possible append-only
* unindexable array of owned C-style strings.
*/
#pragma once
#include <furi.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief StrBuffer instance
*
* Place this struct directly wherever you want, it doesn't have to be `alloc`ed
* and `free`d.
*/
typedef struct {
char** owned_strings;
size_t n_owned_strings;
} StrBuffer;
/**
* @brief Makes a owned duplicate of the provided string
*
* @param[in] buffer StrBuffer instance
* @param[in] str Input C-style string
*
* @returns C-style string that contains to be valid event after `str` becomes
* invalid
*/
const char* str_buffer_make_owned_clone(StrBuffer* buffer, const char* str);
/**
* @brief Clears all owned duplicates
*
* @param[in] buffer StrBuffer instance
*/
void str_buffer_clear_all_clones(StrBuffer* buffer);
#ifdef __cplusplus
}
#endif