diff options
Diffstat (limited to 'sysdeps/i386/stpncpy.S')
| -rw-r--r-- | sysdeps/i386/stpncpy.S | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/sysdeps/i386/stpncpy.S b/sysdeps/i386/stpncpy.S index b76f617..96878fb 100644 --- a/sysdeps/i386/stpncpy.S +++ b/sysdeps/i386/stpncpy.S @@ -1,28 +1,28 @@ /* stpncpy -- copy no more then N bytes from SRC to DEST, returning the address of the terminating '\0' in DEST. -For Intel 80x86, x>=3. -Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. -Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu> -Some bug fixes by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au> - - original wrote n+1 chars in some cases. - - stpncpy() ought to behave like strncpy() ie. not null-terminate - if limited by n. glibc-1.09 stpncpy() does this. -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 Library General Public License as -published by the Free Software Foundation; either version 2 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + For Intel 80x86, x>=3. + Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu> + Some bug fixes by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au> + - original wrote n+1 chars in some cases. + - stpncpy() ought to behave like strncpy() ie. not null-terminate + if limited by n. glibc-1.09 stpncpy() does this. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include <sysdep.h> #include "asm-syntax.h" @@ -51,7 +51,7 @@ ENTRY (__stpncpy) /* Four times unfolded loop with two loop counters. We get the the third value (the source address) by using the index+base - adressing mode. */ + addressing mode. */ L2: movb (%eax,%esi), %dl /* load current char */ movb %dl, (%eax) /* and store it */ testb %dl, %dl /* was it NUL? */ @@ -128,7 +128,7 @@ L7: jz L9 /* counter is also 0 => exit */ /* We now have to fill the rest of the buffer with NUL. This - is done in a tricky way. Please note that the adressing mode + is done in a tricky way. Please note that the addressing mode used below is not the same we used above. Here we use the %ecx register. */ L8: |