186 lines
2.8 KiB
C
186 lines
2.8 KiB
C
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#include <config.h>
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#include "rcsid.h"
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RCSID("$Id: groupio.c,v 1.8 2000/08/26 18:27:17 marekm Exp $")
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#include "prototypes.h"
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#include "defines.h"
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#include "commonio.h"
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#include "groupio.h"
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extern int putgrent(const struct group *, FILE *);
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extern struct group *sgetgrent(const char *);
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struct group *
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__gr_dup(const struct group *grent)
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{
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struct group *gr;
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int i;
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if (!(gr = (struct group *) malloc(sizeof *gr)))
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return NULL;
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*gr = *grent;
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if (!(gr->gr_name = strdup(grent->gr_name)))
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return NULL;
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if (!(gr->gr_passwd = strdup(grent->gr_passwd)))
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return NULL;
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for (i = 0; grent->gr_mem[i]; i++)
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;
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gr->gr_mem = (char **) malloc((i + 1) * sizeof(char *));
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if (!gr->gr_mem)
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return NULL;
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for (i = 0; grent->gr_mem[i]; i++) {
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gr->gr_mem[i] = strdup(grent->gr_mem[i]);
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if (!gr->gr_mem[i])
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return NULL;
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}
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gr->gr_mem[i] = NULL;
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return gr;
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}
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static void *
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group_dup(const void *ent)
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{
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const struct group *gr = ent;
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return __gr_dup(gr);
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}
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static void
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group_free(void *ent)
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{
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struct group *gr = ent;
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free(gr->gr_name);
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free(gr->gr_passwd);
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while(*(gr->gr_mem)) {
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free(*(gr->gr_mem));
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gr->gr_mem++;
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}
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free(gr);
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}
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static const char *
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group_getname(const void *ent)
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{
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const struct group *gr = ent;
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return gr->gr_name;
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}
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static void *
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group_parse(const char *line)
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{
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return (void *) sgetgrent(line);
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}
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static int
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group_put(const void *ent, FILE *file)
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{
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const struct group *gr = ent;
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return (putgrent(gr, file) == -1) ? -1 : 0;
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}
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static struct commonio_ops group_ops = {
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group_dup,
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group_free,
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group_getname,
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group_parse,
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group_put,
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fgetsx,
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fputsx
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};
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static struct commonio_db group_db = {
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GROUP_FILE, /* filename */
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&group_ops, /* ops */
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NULL, /* fp */
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NULL, /* head */
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NULL, /* tail */
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NULL, /* cursor */
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0, /* changed */
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0, /* isopen */
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0, /* locked */
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0, /* readonly */
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0 /* use_lckpwdf */
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};
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int
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gr_name(const char *filename)
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{
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return commonio_setname(&group_db, filename);
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}
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int
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gr_lock(void)
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{
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return commonio_lock(&group_db);
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}
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int
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gr_open(int mode)
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{
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return commonio_open(&group_db, mode);
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}
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const struct group *
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gr_locate(const char *name)
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{
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return commonio_locate(&group_db, name);
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}
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int
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gr_update(const struct group *gr)
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{
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return commonio_update(&group_db, (const void *) gr);
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}
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int
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gr_remove(const char *name)
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{
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return commonio_remove(&group_db, name);
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}
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int
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gr_rewind(void)
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{
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return commonio_rewind(&group_db);
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}
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const struct group *
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gr_next(void)
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{
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return commonio_next(&group_db);
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}
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int
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gr_close(void)
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{
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return commonio_close(&group_db);
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}
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int
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gr_unlock(void)
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{
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return commonio_unlock(&group_db);
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}
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void
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__gr_set_changed(void)
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{
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group_db.changed = 1;
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}
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struct commonio_entry *
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__gr_get_head(void)
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{
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return group_db.head;
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}
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void
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__gr_del_entry(const struct commonio_entry *ent)
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{
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commonio_del_entry(&group_db, ent);
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}
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