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getlogin.c @ aaf6063

4.104.114.84.95

Last change on this file since aaf6063 was aaf6063, checked in by Joel Sherrill <joel.sherrill@…>, on 05/24/01 at 21:38:10

2000-05-24 Fernando Ruiz Casas <fernando.ruiz@…>

src/getegid.c, src/geteuid.c, src/getgid.c, src/getlogin.c, src/getuid.c: Now save their values in private user environment.

File size: 1.0 KB

Rev	Line
[811fae1]	1	/*
	2	* $Id$
	3	*/
	4
[f42b726]	5	#if HAVE_CONFIG_H
	6	#include "config.h"
	7	#endif
	8
[811fae1]	9	#include <limits.h>
	10	#include <errno.h>
	11	#include <string.h>
	12	#include <sys/types.h>
	13
	14	#include <rtems/system.h>
	15	#include <rtems/score/object.h>
[188c82b]	16	#include <rtems/seterr.h>
[811fae1]	17
[aaf6063]	18	#include <rtems/libio_.h>
	19	#include <string.h>
	20	#include <unistd.h>
	21	#include <pwd.h>
	22
[811fae1]	23	/*PAGE
	24	*
	25	* 4.2.4 Get User Name, P1003.1b-1993, p. 87
	26	*
	27	* NOTE: P1003.1c/D10, p. 49 adds getlogin_r().
	28	*/
	29
[aaf6063]	30	/*
	31	* MACRO in libio_.h
	32	*
[811fae1]	33	static char _POSIX_types_Getlogin_buffer[ LOGIN_NAME_MAX ];
[aaf6063]	34	*/
[811fae1]	35
	36	char *getlogin( void )
	37	{
	38	(void) getlogin_r( _POSIX_types_Getlogin_buffer, LOGIN_NAME_MAX );
	39	return _POSIX_types_Getlogin_buffer;
	40	}
	41
	42	/*PAGE
	43	*
	44	* 4.2.4 Get User Name, P1003.1b-1993, p. 87
	45	*
	46	* NOTE: P1003.1c/D10, p. 49 adds getlogin_r().
	47	*/
	48
	49	int getlogin_r(
	50	char *name,
	51	size_t namesize
	52	)
	53	{
[aaf6063]	54	struct passwd *pw;
[811fae1]	55	if ( namesize < LOGIN_NAME_MAX )
	56	return ERANGE;
	57
[aaf6063]	58	pw=getpwuid(getuid());
	59	if (!pw) {
	60	strcpy(name,"");
	61	} else {
	62	strncpy(name,pw->pw_name,LOGIN_NAME_MAX);
	63	};
[811fae1]	64	return 0;
	65	}

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