Function writeFile

src/helper/common/io_posix.cpp:29–43

}

bool writeFile(const std::string &path, const std::string &content, int mode)
{
    unlink(path.c_str());
    int fd = open(path.c_str(), O_CREAT | O_WRONLY | O_TRUNC, mode);
    if (fd < 0) {
        return false;
    }
    if (!writeAll(fd, content)) {
        close(fd);
        unlink(path.c_str());
        return false;
    }
    close(fd);
    return true;
}

namespace {
// Two overloads absorb the XSI-vs-GNU strerror_r() return-type split: