Add in a patch to make busybox use the normal pwd.h and grp.h

functions.  Add in simple implementations of these functions,
which can, optionally, be used instead of the system versions.
 -Erik

include/grp.h

@@ -0,0 +1,47 @@
+#ifndef	__BB_GRP_H
+#define	__BB_GRP_H
+
+#if defined USE_SYSTEM_PWD_GRP
+#include <grp.h>
+#else
+
+#define bb_setgrent setgrent
+#define bb_endgrent endgrent
+#define bb_getgrent getgrent
+#define bb_getgrgid getgrgid
+#define bb_getgrnam getgrnam
+#define bb_fgetgrent fgetgrent
+#define bb_setgroups setgroups
+#define bb_initgroups initgroups
+#define __bb_getgrent __getgrent
+
+#include <sys/types.h>
+#include <features.h>
+#include <stdio.h>
+
+/* The group structure */
+struct group
+{
+  char *gr_name;		/* Group name.	*/
+  char *gr_passwd;		/* Password.	*/
+  gid_t gr_gid;			/* Group ID.	*/
+  char **gr_mem;		/* Member list.	*/
+};
+
+extern void bb_setgrent __P ((void));
+extern void bb_endgrent __P ((void));
+extern struct group * bb_getgrent __P ((void));
+
+extern struct group * bb_getgrgid __P ((__const gid_t gid));
+extern struct group * bb_getgrnam __P ((__const char * name));
+
+extern struct group * bb_fgetgrent __P ((FILE * file));
+
+extern int bb_setgroups __P ((size_t n, __const gid_t * groups));
+extern int bb_initgroups __P ((__const char * user, gid_t gid));
+
+extern struct group * __bb_getgrent __P ((int grp_fd));
+
+#endif /* USE_SYSTEM_PWD_GRP */
+#endif /* __BB_GRP_H */
+

include/pwd.h

@@ -0,0 +1,51 @@
+#ifndef	__BB_PWD_H
+#define	__BB_PWD_H
+
+#if defined USE_SYSTEM_PWD_GRP
+#include <pwd.h>
+#else
+
+#define bb_setpwent setpwent
+#define bb_endpwent endpwent
+#define bb_getpwent getpwent
+#define bb_putpwent putpwent
+#define bb_getpw getpw
+#define bb_fgetpwent fgetpwent
+#define bb_getpwuid getpwuid
+#define bb_getpwnam getpwnam
+#define __bb_getpwent __bb_getpwent
+
+
+#include <sys/types.h>
+#include <features.h>
+#include <stdio.h>
+
+/* The passwd structure.  */
+struct passwd
+{
+  char *pw_name;		/* Username.  */
+  char *pw_passwd;		/* Password.  */
+  uid_t pw_uid;			/* User ID.  */
+  gid_t pw_gid;			/* Group ID.  */
+  char *pw_gecos;		/* Real name.  */
+  char *pw_dir;			/* Home directory.  */
+  char *pw_shell;		/* Shell program.  */
+};
+
+extern void bb_setpwent __P ((void));
+extern void bb_endpwent __P ((void));
+extern struct passwd * bb_getpwent __P ((void));
+
+extern int bb_putpwent __P ((__const struct passwd * __p, FILE * __f));
+extern int bb_getpw __P ((uid_t uid, char *buf));
+
+extern struct passwd * bb_fgetpwent __P ((FILE * file));
+
+extern struct passwd * bb_getpwuid __P ((__const uid_t));
+extern struct passwd * bb_getpwnam __P ((__const char *));
+
+extern struct passwd * __bb_getpwent __P ((__const int passwd_fd));
+
+#endif /* USE_SYSTEM_PWD_GRP */
+#endif /* __BB_PWD_H  */
+