41 lines
842 B
C++
41 lines
842 B
C++
#include "counter_manager.h"
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long long int CounterManager::get_counter() {
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char data_from_file[128];
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int num_bytes = 128;
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int fd = open(
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"counter.txt",
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O_RDONLY,
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0777
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);
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if (fd == -1) {
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return 0; // Ошибка при открытии файла
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}
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read(fd, data_from_file, num_bytes);
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close(fd);
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return atoi(data_from_file);
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}
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int CounterManager::set_counter(long long int new_counter) {
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std::string new_counter_string = std::to_string(new_counter);
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int fd = open(
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"counter.txt",
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O_WRONLY|O_TRUNC|O_APPEND|O_CREAT,
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0777
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);
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if (fd == -1) {
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return -1; // Ошибка при открытии файла
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}
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write(fd, new_counter_string.c_str(), new_counter_string.length());
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close(fd);
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return 0;
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} |