- status = getgrnam_r(pl->group, &gr, nambuf, sizeof(nambuf), &gr_ptr);
+ long int grbuf_size = sysconf(_SC_GETGR_R_SIZE_MAX);
+ if (grbuf_size <= 0)
+ grbuf_size = sysconf(_SC_PAGESIZE);
+ if (grbuf_size <= 0)
+ grbuf_size = 4096;
+ char grbuf[grbuf_size];
+
+ status = getgrnam_r(pl->group, &gr, grbuf, sizeof(grbuf), &gr_ptr);