73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
#ifndef MYCLIB_STRING_H
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#define MYCLIB_STRING_H
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#include <pthread.h>
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#include <stddef.h>
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/**
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* @brief Thread-safe dynamic string structure.
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*/
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typedef struct mcl_string_t {
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size_t size; /**< Current length of the string (excluding null terminator) */
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size_t capacity; /**< Allocated capacity including null terminator */
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char *data; /**< Pointer to string data (null-terminated) */
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pthread_mutex_t lock; /**< Mutex for thread safety */
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} mcl_string;
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/**
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* @brief Create a new string initialized with the given text.
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*
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* @param text Initial text (must not be NULL)
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* @param initial_capacity Initial buffer capacity (0 to auto-calculate)
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* @return Pointer to new string on success, or NULL on failure.
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*
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* @note Caller must release the string using mcl_string_free().
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*/
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mcl_string *mcl_string_new(const char *text, size_t initial_capacity);
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/**
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* @brief Append text to the string.
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*
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* @param string String to modify
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* @param text Text to append (must not be NULL, can be empty)
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* @return 0 on success, -1 on failure
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*
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* @note On failure, the original string remains unchanged.
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*/
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int mcl_string_append(mcl_string *string, const char *text);
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/**
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* @brief Free the string and its resources.
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*
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* @param string String to free (safe to call with NULL)
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*/
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void mcl_string_free(mcl_string *string);
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/**
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* @brief Get the current length of the string.
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*
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* @param string String to query
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* @return Length of the string (excluding null terminator), or 0 if NULL
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*/
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size_t mcl_string_length(mcl_string *string);
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/**
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* @brief Get the total allocated capacity of the string buffer.
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*
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* @param string String to query
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* @return Capacity (in bytes, including null terminator), or 0 if NULL
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*/
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size_t mcl_string_capacity(mcl_string *string);
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/**
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* @brief Get a copy of the string as a null-terminated C-string.
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*
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* @param string String to copy
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* @return Newly allocated copy of the string, or NULL on failure
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*
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* @warning Caller is responsible for freeing the returned pointer.
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*/
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char *mcl_string_cstr(mcl_string *string);
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#endif /* MYCLIB_STRING_H */
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