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#include "common.hh"
#include "io.hh"
#include <errno.h>
#include <unistd.h>
namespace io {
bool read_all(int fd, std::string* out) {
char buf[32768];
while (true) {
auto ret = read(fd, buf, sizeof(buf));
if (ret == 0)
return true;
if (ret < 0) {
if (errno == EINTR)
continue;
return false;
}
out->append(buf, ret);
}
}
bool write_all(int fd, std::string const& in) {
size_t offset = 0;
while (offset < in.size()) {
auto ret = write(fd, in.data() + offset, in.size() - offset);
if (ret == 0)
return false;
if (ret < 0) {
if (errno == EINTR)
continue;
return false;
}
offset += ret;
}
return true;
}
} // namespace io
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