Files
codezero/conts/posix/libposix/chdir.c
2010-03-25 01:12:40 +02:00

52 lines
1.0 KiB
C

/*
* l4/posix glue for mkdir()
*
* Copyright (C) 2008 Bahadir Balban
*/
#include <shpage.h>
#include <libposix.h>
#include <errno.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <libposix.h>
#include <l4lib/ipcdefs.h>
#include <l4lib/utcb.h>
#include <l4/macros.h>
#include INC_GLUE(memory.h)
static inline int l4_chdir(const char *pathname)
{
int fd;
utcb_full_strcpy_from(pathname);
/* Call pager with shmget() request. Check ipc error. */
if ((fd = l4_sendrecv_full(pagerid, pagerid, L4_IPC_TAG_CHDIR)) < 0) {
print_err("%s: L4 IPC Error: %d.\n", __FUNCTION__, fd);
return fd;
}
/* Check if syscall itself was successful */
if ((fd = l4_get_retval()) < 0) {
print_err("%s: MKDIR Error: %d.\n", __FUNCTION__, fd);
return fd;
}
return fd;
}
int chdir(const char *pathname)
{
int ret;
/* If error, return positive error code */
if ((ret = l4_chdir(pathname)) < 0) {
errno = -ret;
return -1;
}
/* else return value */
return ret;
}