mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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4d6b170769
* Fixing compiler warnings with -Wextra * More warnings suppression, WIP * Even more warning fixes * Added new lines at end of text files. * Padding fix * Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline * Fixes for Secplus v1 * -additional warnings * +-Wredundant-decls fixes * FuriHal: print stack overflow task name in console * FuriHal: add missing include Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
337 lines
9.2 KiB
C
337 lines
9.2 KiB
C
#pragma once
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <mlib/m-string.h>
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#include <storage/storage.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct Stream Stream;
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typedef enum {
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StreamOffsetFromCurrent,
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StreamOffsetFromStart,
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StreamOffsetFromEnd,
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} StreamOffset;
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typedef bool (*StreamWriteCB)(Stream* stream, const void* context);
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/**
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* Free Stream
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* @param stream Stream instance
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*/
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void stream_free(Stream* stream);
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/**
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* Clean (empty) Stream
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* @param stream Stream instance
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*/
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void stream_clean(Stream* stream);
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/**
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* Indicates that the rw pointer is at the end of the stream
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* @param stream Stream instance
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* @return true if rw pointer is at the end of the stream
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* @return false if rw pointer is not at the end of the stream
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*/
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bool stream_eof(Stream* stream);
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/**
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* Moves the rw pointer.
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* @param stream Stream instance
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* @param offset how much to move the pointer
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* @param offset_type starting from what
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* @return true
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* @return false
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*/
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bool stream_seek(Stream* stream, int32_t offset, StreamOffset offset_type);
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/**
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* Gets the value of the rw pointer
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* @param stream Stream instance
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* @return size_t value of the rw pointer
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*/
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size_t stream_tell(Stream* stream);
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/**
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* Gets the size of the stream
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* @param stream Stream instance
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* @return size_t size of the stream
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*/
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size_t stream_size(Stream* stream);
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/**
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* Write N bytes to the stream
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* @param stream Stream instance
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* @param data data to write
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* @param size size of data to be written
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* @return size_t how many bytes was written
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*/
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size_t stream_write(Stream* stream, const uint8_t* data, size_t size);
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/**
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* Read N bytes from stream
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* @param stream Stream instance
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* @param data data to be read
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* @param count size of data to be read
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* @return size_t how many bytes was read
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*/
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size_t stream_read(Stream* stream, uint8_t* data, size_t count);
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/**
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* Delete N chars from the stream and write data by calling write_callback(context)
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* @param stream Stream instance
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* @param delete_size size of data to be deleted
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* @param write_callback write callback
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* @param context write callback context
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_delete_and_insert(
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Stream* stream,
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size_t delete_size,
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StreamWriteCB write_callback,
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const void* context);
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/********************************** Some random helpers starts here **********************************/
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/**
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* Read line from a stream (supports LF and CRLF line endings)
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* @param stream
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* @param str_result
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* @return true if line lenght is not zero
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* @return false otherwise
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*/
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bool stream_read_line(Stream* stream, string_t str_result);
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/**
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* Moves the rw pointer to the start
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* @param stream Stream instance
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*/
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bool stream_rewind(Stream* stream);
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/**
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* Write char to the stream
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* @param stream Stream instance
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* @param c char value
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* @return size_t how many bytes was written
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*/
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size_t stream_write_char(Stream* stream, char c);
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/**
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* Write string to the stream
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* @param stream Stream instance
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* @param string string value
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* @return size_t how many bytes was written
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*/
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size_t stream_write_string(Stream* stream, string_t string);
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/**
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* Write const char* to the stream
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* @param stream Stream instance
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* @param string c-string value
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* @return size_t how many bytes was written
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*/
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size_t stream_write_cstring(Stream* stream, const char* string);
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/**
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* Write formatted string to the stream
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* @param stream Stream instance
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* @param format
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* @param ...
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* @return size_t how many bytes was written
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*/
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size_t stream_write_format(Stream* stream, const char* format, ...);
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/**
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* Write formatted string to the stream, va_list version
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* @param stream Stream instance
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* @param format
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* @param args
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* @return size_t how many bytes was written
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*/
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size_t stream_write_vaformat(Stream* stream, const char* format, va_list args);
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/**
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* Insert N chars to the stream, starting at the current pointer.
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* Data will be inserted, not overwritteт, so the stream will be increased in size.
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* @param stream Stream instance
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* @param data data to be inserted
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* @param size size of data to be inserted
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_insert(Stream* stream, const uint8_t* data, size_t size);
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/**
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* Insert char to the stream
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* @param stream Stream instance
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* @param c char value
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_insert_char(Stream* stream, char c);
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/**
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* Insert string to the stream
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* @param stream Stream instance
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* @param string string value
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_insert_string(Stream* stream, string_t string);
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/**
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* Insert const char* to the stream
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* @param stream Stream instance
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* @param string c-string value
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_insert_cstring(Stream* stream, const char* string);
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/**
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* Insert formatted string to the stream
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* @param stream Stream instance
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* @param format
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* @param ...
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_insert_format(Stream* stream, const char* format, ...);
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/**
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* Insert formatted string to the stream, va_list version
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* @param stream Stream instance
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* @param format
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* @param args
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_insert_vaformat(Stream* stream, const char* format, va_list args);
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/**
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* Delete N chars from the stream and insert char to the stream
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* @param stream Stream instance
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* @param delete_size size of data to be deleted
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* @param c char value
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_delete_and_insert_char(Stream* stream, size_t delete_size, char c);
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/**
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* Delete N chars from the stream and insert string to the stream
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* @param stream Stream instance
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* @param delete_size size of data to be deleted
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* @param string string value
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_delete_and_insert_string(Stream* stream, size_t delete_size, string_t string);
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/**
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* Delete N chars from the stream and insert const char* to the stream
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* @param stream Stream instance
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* @param delete_size size of data to be deleted
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* @param string c-string value
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_delete_and_insert_cstring(Stream* stream, size_t delete_size, const char* string);
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/**
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* Delete N chars from the stream and insert formatted string to the stream
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* @param stream Stream instance
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* @param delete_size size of data to be deleted
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* @param format
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* @param ...
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_delete_and_insert_format(Stream* stream, size_t delete_size, const char* format, ...);
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/**
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* Delete N chars from the stream and insert formatted string to the stream, va_list version
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* @param stream Stream instance
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* @param delete_size size of data to be deleted
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* @param format
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* @param args
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_delete_and_insert_vaformat(
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Stream* stream,
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size_t delete_size,
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const char* format,
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va_list args);
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/**
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* Remove N chars from the stream, starting at the current pointer.
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* The size may be larger than stream size, the stream will be cleared from current rw pointer to the end.
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* @param stream Stream instance
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* @param size how many chars need to be deleted
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* @return true if the operation was successful
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* @return false on error
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*/
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bool stream_delete(Stream* stream, size_t size);
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/**
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* Copy data from one stream to another. Data will be copied from current rw pointer and to current rw pointer.
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* @param stream_from
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* @param stream_to
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* @param size
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* @return size_t
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*/
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size_t stream_copy(Stream* stream_from, Stream* stream_to, size_t size);
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/**
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* Copy data from one stream to another. Data will be copied from start of one stream and to start of other stream.
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* @param stream_from
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* @param stream_to
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* @return size_t
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*/
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size_t stream_copy_full(Stream* stream_from, Stream* stream_to);
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/**
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* Splits one stream into two others. The original stream will remain untouched.
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* @param stream
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* @param stream_left
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* @param stream_right
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* @return true
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* @return false
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*/
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bool stream_split(Stream* stream, Stream* stream_left, Stream* stream_right);
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/**
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* Loads data to the stream from a file. Data will be loaded to the current RW pointer. RW pointer will be moved to the end of the stream.
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* @param stream Stream instance
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* @param storage
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* @param path
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* @return size_t
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*/
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size_t stream_load_from_file(Stream* stream, Storage* storage, const char* path);
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/**
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* Writes data from a stream to a file. Data will be saved starting from the current RW pointer. RW pointer will be moved to the end of the stream.
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* @param stream Stream instance
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* @param storage
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* @param path
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* @param mode
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* @return size_t
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*/
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size_t stream_save_to_file(Stream* stream, Storage* storage, const char* path, FS_OpenMode mode);
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/**
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* Dump stream inner data (size, RW positiot, content)
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* @param stream Stream instance
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*/
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void stream_dump_data(Stream* stream);
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#ifdef __cplusplus
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}
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#endif
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