diff options
Diffstat (limited to 'mdk-stage1/dietlibc/i386/strncpy.S')
| -rw-r--r-- | mdk-stage1/dietlibc/i386/strncpy.S | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/strncpy.S b/mdk-stage1/dietlibc/i386/strncpy.S new file mode 100644 index 000000000..837b43c41 --- /dev/null +++ b/mdk-stage1/dietlibc/i386/strncpy.S @@ -0,0 +1,42 @@ +/* + Copyright (C) 2002 Thomas M. Ogrisegg + + This is free software. You can redistribute and + modify it under the terms of the GNU General Public + Public License. + + strncpy.S + i386 assembler implementation of strncpy(3) +*/ + +#include "dietfeatures.h" + +.text +.globl strncpy +.type strncpy,@function + +strncpy: + pushl %esi + pushl %edi + movl %esp, %ecx + movl 0x0c(%ecx), %edi + movl 0x10(%ecx), %esi + movl 0x14(%ecx), %ecx + + movl %edi, %edx + +.Lloop: + dec %ecx + js .Lout + lodsb + stosb + or %al, %al + jnz .Lloop +#ifdef WANT_FULL_POSIX_COMPAT + repnz stosb +#endif +.Lout: + movl %edx, %eax + popl %edi + popl %esi + ret |