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#include <fs/types.h>
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#include <fs/errno.h>
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#include <fs/task.h>
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#include <fs/util.h>
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#include <fs/maccess.h>
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#include "file.h"
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#include "fs.h"
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int k_getcwd(char *buf, size_t sz)
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{
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  char *cwd;
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  int len;
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  __pid_t pid;
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  call_to_fs();
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  pid=__get_pid();  
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  lock_desctable(pid);
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  cwd=cwd_ptr(pid);
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  if (buf==NULL||strlen(cwd)>=sz) {
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    unlock_desctable(pid);
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    return_from_fs(-ERANGE);
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  }
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  len=strlen(cwd)+1;
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  if (!__verify_write(buf,len)) {
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    unlock_desctable(pid);
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    return_from_fs(-EVERIFY);
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  }
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  __copy_to_user(buf,cwd,len);
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  unlock_desctable(pid);
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  return_from_fs(EOK);
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}