/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The GNU C Library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with the GNU C Library. If not, see . */
/* Synched up with: Not in FSF. */
# include
# ifndef REGISTER /* Strictly enforced in 20.3 */
# define REGISTER
# endif
/* In HPUX 10 the strcat function references memory past the last byte of
the string! This will core dump if the memory following the last byte is
not mapped.
Here is a correct version from, glibc 1.09.
*/
char *strcat (char *dest, const char *src);
/* Append SRC on the end of DEST. */
char *
strcat (char *dest, const char *src)
{
REGISTER char *s1 = dest;
REGISTER const char *s2 = src;
char c;
/* Find the end of the string. */
do
c = *s1++;
while (c != '\0');
/* Make S1 point before the next character, so we can increment
it while memory is read (wins on pipelined cpus). */
s1 -= 2;
do
{
c = *s2++;
*++s1 = c;
}
while (c != '\0');
return dest;
}