diff options
Diffstat (limited to 'sysdeps/generic/strcat.c')
-rw-r--r-- | sysdeps/generic/strcat.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/sysdeps/generic/strcat.c b/sysdeps/generic/strcat.c new file mode 100644 index 0000000..eef22ad --- /dev/null +++ b/sysdeps/generic/strcat.c @@ -0,0 +1,52 @@ +/* Copyright (C) 1991, 1997, 2003 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <string.h> +#include <memcopy.h> + +#undef strcat + +/* Append SRC on the end of DEST. */ +char * +strcat (dest, src) + char *dest; + const char *src; +{ + char *s1 = dest; + const char *s2 = src; + reg_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; +} +libc_hidden_builtin_def (strcat) |