#include #include #include #include #include int main(int argc, char **argv) { if (argc < 2) { printf("usage: chown \n"); return 0; } uid_t new_uid = -1; gid_t new_gid = -1; auto parts = String(argv[1]).split(':'); if (parts.is_empty()) { fprintf(stderr, "Empty uid/gid spec\n"); return 1; } bool ok; new_uid = parts[0].to_uint(ok); if (!ok) { fprintf(stderr, "Invalid uid: '%s'\n", parts[0].characters()); return 1; } if (parts.size() == 2) { new_gid = parts[1].to_uint(ok); if (!ok) { fprintf(stderr, "Invalid gid: '%s'\n", parts[1].characters()); return 1; } } int rc = chown(argv[2], new_uid, new_gid); if (rc < 0) { perror("chown"); return 1; } return 0; }