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  1. Path: qcd.lanl.gov!tanmoy
  2. From: tanmoy@qcd.lanl.gov (Tanmoy Bhattacharya)
  3. Newsgroups: comp.lang.c
  4. Subject: Re: Problem with stringcopy
  5. Date: 6 Jan 1996 19:24:17 GMT
  6. Organization: Los Alamos National Laboratory
  7. Distribution: world
  8. Message-ID: <4cmi91$irn@newshost.lanl.gov>
  9. References: <4clguu$9fs@eagle.novo.dk> <yewvimppjz5.fsf@hyll.idt.unit.no> <4cmafq$bm5@clarknet.clark.net>
  10. NNTP-Posting-Host: qcd.lanl.gov
  11.  
  12. In article <4cmafq$bm5@clarknet.clark.net>, eamick@clark.net (Eric Amick)
  13. writes: 
  14. |> Amund Tveit (amundt@pvv.unit.no) wrote:
  15. <snip>
  16. |> >char *Stringcopy(char *source, int startpos, size_t length)
  17. |> >{
  18. |> >    char tmpstring[SIZEBIGENOUGH];
  19. |> >    strncpy((char *)(source+startpos),tmpstring,length);
  20. |> >    return tmpstring;
  21. |> >}
  22. |> 
  23. |> This won't work as written; the first two arguments to strncpy() are 
  24. |> reversed.  The cast is also unnecessary.
  25.  
  26. Those are probably typographical errors. The possibility of declaring
  27. SIZEBIGENOUGH is always an optimistic proposition; but, most importantly, 
  28. this routine contains one of the very common and absolutely disastrous
  29. beginner errors! Anyone?
  30.  
  31. Cheers
  32. Tanmoy
  33. -- 
  34. tanmoy@qcd.lanl.gov(128.165.23.46) DECNET: BETA::"tanmoy@lanl.gov"(1.218=1242)
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