compiler/stdc/strlen.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     C99 function strlen().
   6 */
   7
   8 /*****************************************************************************
   9
  10     NAME */
  11 #include <string.h>
  12
  13         size_t strlen (
  14
  15 /*  SYNOPSIS */
  16         const char * ptr)
  17
  18 /*  FUNCTION
  19         Calculate the length of a string (without the terminating 0 byte).
  20
  21     INPUTS
  22         ptr - The string to get its length for
  23
  24     RESULT
  25         The length of the string.
  26
  27     NOTES
  28
  29     EXAMPLE
  30
  31     BUGS
  32
  33     SEE ALSO
  34
  35     INTERNALS
  36
  37 ******************************************************************************/
  38 {
  39     const char * start = ptr;
  40
  41     while (*ptr) ptr ++;
  42
  43     return (((long)ptr) - ((long)start));
  44 } /* strlen */
  45