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Diffstat (limited to 'otherlibs/unix/setgroups.c')
| -rw-r--r-- | otherlibs/unix/setgroups.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/otherlibs/unix/setgroups.c b/otherlibs/unix/setgroups.c new file mode 100644 index 000000000..dd4592ad0 --- /dev/null +++ b/otherlibs/unix/setgroups.c @@ -0,0 +1,53 @@ +/***********************************************************************/ +/* */ +/* Objective Caml */ +/* */ +/* Copyright 2009 Institut National de Recherche en Informatique et */ +/* en Automatique. All rights reserved. This file is distributed */ +/* under the terms of the GNU Library General Public License, with */ +/* the special exception on linking described in file ../../LICENSE. */ +/* */ +/***********************************************************************/ + +/* Contributed by Stephane Glondu <steph@glondu.net> */ + +/* $Id$ */ + +#include <mlvalues.h> +#include <alloc.h> +#include <fail.h> +#include <memory.h> + +#ifdef HAS_SETGROUPS + +#include <sys/types.h> +#ifdef HAS_UNISTD +#include <unistd.h> +#endif +#include <limits.h> +#include <grp.h> +#include "unixsupport.h" + +CAMLprim value unix_setgroups(value groups) +{ + gid_t * gidset; + mlsize_t size, i; + int n; + + size = Wosize_val(groups); + gidset = (gid_t *) stat_alloc(size * sizeof(gid_t)); + for (i = 0; i < size; i++) gidset[i] = Int_val(Field(groups, i)); + + n = setgroups(size, gidset); + + stat_free(gidset); + if (n == -1) uerror("setgroups", Nothing); + return Val_unit; +} + +#else + +CAMLprim value unix_setgroups(value groups) +{ invalid_argument("setgroups not implemented"); } + +#endif |