Subversion Repositories Kolibri OS

/* getpwd.c - get the working directory */

/*

@deftypefn Supplemental char* getpwd (void)

Returns the current working directory.  This implementation caches the

result on the assumption that the process will not call @code{chdir}

between calls to @code{getpwd}.

@end deftypefn

*/

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include 

#include 

#ifndef errno

extern int errno;

#endif

#ifdef HAVE_STDLIB_H

#include 

#endif

#ifdef HAVE_UNISTD_H

#include 

#endif

#ifdef HAVE_SYS_PARAM_H

#include 

#endif

#if HAVE_SYS_STAT_H

#include 

#endif

#if HAVE_LIMITS_H

#include 

#endif

#include "libiberty.h"

#ifdef MAXPATHLEN

#define GUESSPATHLEN (MAXPATHLEN + 1)

#else

#define GUESSPATHLEN 100

#endif

#ifndef MAXPATHLEN

#define MAXPATHLEN 255

#endif

static char *getccwd(char *buf, size_t size)

{

    int bsize;

    __asm__ __volatile__(

    "int $0x40"

    :"=a"(bsize)

    :"a"(30),"b"(2),"c"(buf), "d"(size)

    :"memory");

    return buf;

};

char *

getpwd (void)

{

  static char *pwd = 0;

  if (!pwd)

    pwd = getccwd (XNEWVEC (char, MAXPATHLEN + 1), MAXPATHLEN + 1);

  return pwd;

}