mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-06-14 15:40:19 +02:00
Code Activity

* environments.c: Don't use '==' to compare SCM objects.

Browse source 
* posix.c (scm_getgroups):  Don't create a redundant string object.
This commit is contained in:
Dirk Herrmann 2000-11-01 17:55:41 +00:00
parent 0f87853a56
commit 66460dfba3
3 changed files with 30 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

46
libguile/posix.c
View file

@ -205,33 +205,27 @@ SCM_DEFINE (scm_getgroups, "getgroups", 0, 0, 0,
"Returns a vector of integers representing the current supplimentary group IDs.")
#define FUNC_NAME s_scm_getgroups
{
SCM grps, ans;
int ngroups = getgroups (0, NULL);
if (!ngroups)
SCM_SYSERROR;
SCM_NEWCELL(grps);
SCM_DEFER_INTS;
{
GETGROUPS_T *groups;
int val;
SCM ans;
int ngroups;
scm_sizet size;
GETGROUPS_T *groups;
groups = SCM_MUST_MALLOC_TYPE_NUM(GETGROUPS_T,ngroups);
val = getgroups(ngroups, groups);
if (val < 0)
{
int en = errno;
scm_must_free((char *)groups);
errno = en;
SCM_SYSERROR;
}
SCM_SETCHARS(grps, groups); /* set up grps as a GC protect */
SCM_SETLENGTH(grps, 0L + ngroups * sizeof(GETGROUPS_T), scm_tc7_string);
ans = scm_make_vector (SCM_MAKINUM(ngroups), SCM_UNDEFINED);
while (--ngroups >= 0) SCM_VELTS(ans)[ngroups] = SCM_MAKINUM(groups[ngroups]);
SCM_SETCHARS(grps, groups); /* to make sure grps stays around. */
SCM_ALLOW_INTS;
return ans;
}
ngroups = getgroups (0, NULL);
if (ngroups <= 0)
SCM_SYSERROR;
size = ngroups * sizeof (GETGROUPS_T);
groups = scm_must_malloc (size, FUNC_NAME);
getgroups (ngroups, groups);
ans = scm_make_vector (SCM_MAKINUM (ngroups), SCM_UNDEFINED);
while (--ngroups >= 0)
SCM_VELTS (ans) [ngroups] = SCM_MAKINUM (groups [ngroups]);
scm_must_free (groups);
scm_done_free (size);
return ans;
}
#undef FUNC_NAME
#endif