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Annotation of GNUtools/libg++/libiberty/bcmp.c, revision 1.1.1.1

1.1       root        1: /* Emulate bcmp using memcmp
                      2:    Copyright (C) 1991 Free Software Foundation, Inc.
                      3: 
                      4: This file is part of the libiberty library.
                      5: Libiberty is free software; you can redistribute it and/or
                      6: modify it under the terms of the GNU Library General Public
                      7: License as published by the Free Software Foundation; either
                      8: version 2 of the License, or (at your option) any later version.
                      9: 
                     10: Libiberty is distributed in the hope that it will be useful,
                     11: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     13: Library General Public License for more details.
                     14: 
                     15: You should have received a copy of the GNU Library General Public
                     16: License along with libiberty; see the file COPYING.LIB.  If
                     17: not, write to the Free Software Foundation, Inc., 675 Mass Ave,
                     18: Cambridge, MA 02139, USA.  */
                     19: 
                     20: 
                     21: /*
                     22: 
                     23: NAME
                     24: 
                     25:        bcmp -- compare two memory regions
                     26: 
                     27: SYNOPSIS
                     28: 
                     29:        int bcmp (char *from, char *to, int count)
                     30: 
                     31: DESCRIPTION
                     32: 
                     33:        Compare two memory regions and return zero if they are identical,
                     34:        non-zero otherwise.  If count is zero, return zero.
                     35: 
                     36: NOTES
                     37: 
                     38:        No guarantee is made about the non-zero returned value.  In
                     39:        particular, the results may be signficantly different than
                     40:        strcmp(), where the return value is guaranteed to be less than,
                     41:        equal to, or greater than zero, according to lexicographical
                     42:        sorting of the compared regions.
                     43: 
                     44: BUGS
                     45: 
                     46: */
                     47: 
                     48: 
                     49: int
                     50: bcmp (from, to, count)
                     51:   char *from, *to;
                     52:   int count;
                     53: {
                     54:   int rtnval = 0;
                     55: 
                     56:   while (count-- > 0)
                     57:     {
                     58:       if (*from++ != *to++)
                     59:        {
                     60:          rtnval = 1;
                     61:          break;
                     62:        }
                     63:     }
                     64:   return (rtnval);
                     65: }
                     66: 

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