On Wed, 11 Sep 2024 10:07:25 +0800 "WanRenyong" <wa...@yunsilicon.com> wrote:
> + > + sprintf(path, "%s/device/uevent", dev_path); better to use snprintf for safety > + while (fgets(line, sizeof(line), file) == line) { > + size_t len = strlen(line); > + > + /* Truncate long lines. */ > + if (len == (sizeof(line) - 1)) { > + while (line[(len - 1)] != '\n') { > + int n = fgetc(file); > + > + if (n == EOF) > + goto out; > + line[(len - 1)] = n; > + } > + /* No match for long lines. */ > + continue; > + } If you have to deal with long lines better to use something like getline() that handles arbitrary length.