plan9fox/sys/src/ape/lib/ap/plan9/getcwd.c
2011-03-30 19:35:09 +03:00

33 lines
468 B
C

#include "lib.h"
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include "sys9.h"
#include "dir.h"
char*
getcwd(char *buf, size_t len)
{
int fd;
fd = _OPEN(".", OREAD);
if(fd < 0) {
errno = EACCES;
return 0;
}
if(_FD2PATH(fd, buf, len) < 0) {
errno = EIO;
_CLOSE(fd);
return 0;
}
_CLOSE(fd);
/* RSC: is this necessary? */
if(buf[0] == '\0')
strcpy(buf, "/");
return buf;
}