void xchdir(char *path);
void xmkpath(char *path, int mode);
void xsetuid(uid_t uid);
+struct passwd *xgetpwuid(uid_t uid);
+struct group *xgetgrgid(gid_t gid);
char *xreadlink(char *name);
long xparsetime(char *arg, long units, long *fraction);
void xpidfile(char *name);
if (setuid(uid)) perror_exit("xsetuid");
}
+struct passwd *xgetpwuid(uid_t uid)
+{
+ struct passwd *pwd = getpwuid(uid);
+ if (!pwd) error_exit(NULL);
+ return pwd;
+}
+
+struct group *xgetgrgid(gid_t gid)
+{
+ struct group *group = getgrgid(gid);
+ if (!group) error_exit(NULL);
+ return group;
+}
+
// This can return null (meaning file not found). It just won't return null
// for memory allocation reasons.
char *xreadlink(char *name)
printf("%s%u(%s)", header, u, s);
}
-struct passwd *xgetpwuid(uid_t uid)
-{
- struct passwd *pwd = getpwuid(uid);
- if (!pwd) error_exit(NULL);
- return pwd;
-}
-
-struct group *xgetgrgid(gid_t gid)
-{
- struct group *group = getgrgid(gid);
- if (!group) error_exit(NULL);
- return group;
-}
-
void do_id(char *username)
{
int flags, i, ngroups, cmd_groups = toys.which->name[0] == 'g';