+#define _GNU_SOURCE
#include <grp.h>
#include <stdio.h>
int r;
size_t i;
flockfile(f);
- if ((r = fprintf(f, "%s:%s:%d:", gr->gr_name, gr->gr_passwd, gr->gr_gid))<0) goto done;
+ if ((r = fprintf(f, "%s:%s:%u:", gr->gr_name, gr->gr_passwd, gr->gr_gid))<0) goto done;
if (gr->gr_mem) for (i=0; gr->gr_mem[i]; i++)
if ((r = fprintf(f, "%s%s", i?",":"", gr->gr_mem[i]))<0) goto done;
r = fputc('\n', f);