kc3-lang/gnulib/doc/posix-functions/strncpy.texi

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  Date : 2019-09-22T23:23:20
  

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• doc/posix-functions/strncpy.texi

• @node strncpy
  @section @code{strncpy}
  @findex strncpy
  
  POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/strncpy.html}
  
  Gnulib module: string
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function cannot be called from plain inline or extern inline functions
  on some platforms:
  OS X 10.8.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @end itemize
  
  Note: This function was designed for the use-case of filling a fixed-size
  record with a string, before writing it to a file.  This function is
  @strong{not} appropriate for copying a string into a bounded memory area,
  because you have no guarantee that the result will be NUL-terminated.
  Even if you add the NUL byte at the end yourself, this function is
  inefficient (as it spends time clearing unused memory) and will allow
  silent truncation to occur, which is not a good behavior for GNU programs.
  For more details, see @url{https://meyering.net/crusade-to-eliminate-strncpy/}.
  

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