int
ustar_strd(void)
{
if ((usrtb_start() < 0) || (grptb_start() < 0))
return(-1);
return(0);
}
int
gid_name(char *name, gid_t *gid)
{
struct group *gr;
GIDC *ptr;
int namelen;
/*
* return -1 for mangled names
*/
if (((namelen = strlen(name)) == 0) || (name[0] == '\0'))
return(-1);
if ((grptb == NULL) && (grptb_start() < 0))
return(-1);
/*
* look up in hash table, if found and valid return the uid,
* if found and invalid, return a -1
*/
ptr = grptb[st_hash(name, namelen, GID_SZ)];
if ((ptr != NULL) && (ptr->valid > 0) && !strcmp(name, ptr->name)) {
if (ptr->valid == INVALID)
return(-1);
*gid = ptr->gid;
return(0);
}
if (!gropn) {
setgroupent(1);
++gropn;
}
if (ptr == NULL)
ptr = grptb[st_hash(name, namelen, GID_SZ)] =
(GIDC *)malloc(sizeof(GIDC));
/*
* no match, look it up, if no match store it as an invalid entry,
* or store the matching gid
*/
if (ptr == NULL) {
if ((gr = getgrnam(name)) == NULL)
return(-1);
*gid = gr->gr_gid;
return(0);
}
(void)strncpy(ptr->name, name, GNMLEN - 1);
ptr->name[GNMLEN-1] = '\0';
if ((gr = getgrnam(name)) == NULL) {
ptr->valid = INVALID;
return(-1);
}
ptr->valid = VALID;
*gid = ptr->gid = gr->gr_gid;
return(0);
}
