| 1 | #define _GNU_SOURCE |
| 2 | #include <grp.h> |
| 3 | #include <stdio.h> |
| 4 | |
| 5 | int putgrent(const struct group *gr, FILE *f) |
| 6 | { |
| 7 | int r; |
| 8 | size_t i; |
| 9 | flockfile(f); |
| 10 | if ((r = fprintf(f, "%s:%s:%u:", gr->gr_name, gr->gr_passwd, gr->gr_gid))<0) goto done; |
| 11 | if (gr->gr_mem) for (i=0; gr->gr_mem[i]; i++) |
| 12 | if ((r = fprintf(f, "%s%s", i?",":"", gr->gr_mem[i]))<0) goto done; |
| 13 | r = fputc('\n', f); |
| 14 | done: |
| 15 | funlockfile(f); |
| 16 | return r<0 ? -1 : 0; |
| 17 | } |