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#ifndef UTILITY_H_
#define UTILITY_H_
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <cstddef>
#include <cstdio>
namespace {
const int OpenFlags = O_RDONLY;
const mode_t OpenMode = S_IRUSR | S_IWUSR;
}
std::string readFile(const std::string& path) {
int descriptor(
open(path.data(), OpenFlags, OpenMode)
);
if ( descriptor == -1 ) {
close(descriptor);
return "io error";
} else {
struct stat info;
fstat(descriptor, &info);
const std::size_t size(info.st_size);
char* buffer(new char[size]);
ssize_t readSize(read(
descriptor,
reinterpret_cast<void*>(buffer),
size
));
close(descriptor);
std::string content(
buffer,
readSize
);
delete[] buffer;
return content;
}
}
#endif // UTILITY_H_
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