Teensy_SD_Preset.h

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#ifndef OFR_TEENSY_SD_PRESET_H
#define OFR_TEENSY_SD_PRESET_H
 
#include <SD.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 = SD.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_TEENSY_SD_PRESET_H */