#define _GNU_SOURCE | |
#include <grp.h> | |
#include <stdio.h> | |
int putgrent(const struct group *gr, FILE *f) | |
{ | |
int r; | |
size_t i; | |
flockfile(f); | |
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); | |
done: | |
funlockfile(f); | |
return r<0 ? -1 : 0; | |
} |