diff options
Diffstat (limited to 'string/strncat.c')
-rw-r--r-- | string/strncat.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/string/strncat.c b/string/strncat.c deleted file mode 100644 index 2e2de11..0000000 --- a/string/strncat.c +++ /dev/null @@ -1,85 +0,0 @@ -/* Copyright (C) 1991, 1997 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> - -#ifdef _LIBC -# include <memcopy.h> -#else -typedef char reg_char; -#endif - -#undef strncat - -char * -strncat (s1, s2, n) - char *s1; - const char *s2; - size_t n; -{ - reg_char c; - char *s = s1; - - /* Find the end of S1. */ - do - c = *s1++; - while (c != '\0'); - - /* Make S1 point before next character, so we can increment - it while memory is read (wins on pipelined cpus). */ - s1 -= 2; - - if (n >= 4) - { - size_t n4 = n >> 2; - do - { - c = *s2++; - *++s1 = c; - if (c == '\0') - return s; - c = *s2++; - *++s1 = c; - if (c == '\0') - return s; - c = *s2++; - *++s1 = c; - if (c == '\0') - return s; - c = *s2++; - *++s1 = c; - if (c == '\0') - return s; - } while (--n4 > 0); - n &= 3; - } - - while (n > 0) - { - c = *s2++; - *++s1 = c; - if (c == '\0') - return s; - n--; - } - - if (c != '\0') - *++s1 = '\0'; - - return s; -} |