M5Stack_SPIFFS_Preset.h

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// -------------------------------------------------------
//  M5Stack_SPIFFS_Preset.h
//
//  Copyright (c) 2021 takkaO
//
//  If you use, modify, or redistribute this file independently
//  of the original repository, this program is licensed under
//  the MIT License.
//
//  If you use, modify or redistribute this file as part of
//  the original repository, please follow the repository's license.
//
// -------------------------------------------------------
 
#ifndef OFR_M5STACK_SPIFFS_PRESET_H
#define OFR_M5STACK_SPIFFS_PRESET_H
 
#include <SPIFFS.h>
#include <list>
 
std::list<File> ofr_file_list; // For multiple file loading
 
FT_FILE *OFR_fopen(const char *filename, const char *mode) {
    File f = SPIFFS.open(filename, mode);
    ofr_file_list.push_back(f);
    return &ofr_file_list.back();
}
 
void OFR_fclose(FT_FILE *stream) {
    ((File *)stream)->close();
}
 
size_t OFR_fread(void *ptr, size_t size, size_t nmemb, FT_FILE *stream) {
    return ((File *)stream)->read((uint8_t *)ptr, size * nmemb);
}
 
int OFR_fseek(FT_FILE *stream, long int offset, int whence) {
    return ((File *)stream)->seek(offset, (SeekMode)whence);
}
 
long int OFR_ftell(FT_FILE *stream) {
    return ((File *)stream)->position();
}
 
#endif /* OFR_M5STACK_SD_PRESET_H */