| 1,28 → 1,23 |
|---|
| # strncpy() Author: Kees J. Bot |
| # 1 Jan 1994 |
| # char *strncpy(char *s1, const char *s2, size_t n) |
| # Copy string s2 to s1. |
| # |
| /* strncpy() Author: Kees J. Bot */ |
| /* 1 Jan 1994 */ |
| |
| .intel_syntax |
| /* char *strncpy(char *s1, const char *s2, size_t n) */ |
| /* Copy string s2 to s1. */ |
| /* */ |
| #include "asm.h" |
| |
| .text |
| ENTRY(strncpy) |
| push %ebp |
| movl %esp, %ebp |
| push %esi |
| push %edi |
| movl 16(%ebp), %ecx /* Maximum length */ |
| call _C_LABEL(_strncpy) /* Common code */ |
| movl %edx, %ecx /* Number of bytes not copied */ |
| |
| .globl _strncpy |
| |
| .align 16 |
| _strncpy: |
| push ebp |
| mov ebp, esp |
| push esi |
| push edi |
| mov ecx, [ebp+16] # Maximum length |
| call __strncpy # Common code |
| mov ecx, edx # Number of bytes not copied |
| rep |
| stosb # strncpy always copies n bytes by null padding |
| mov eax, [ebp+8] # Return s1 |
| pop edi |
| pop esi |
| pop ebp |
| rep stosb /* strncpy always copies n bytes by null padding */ |
| movl 8(%ebp), %eax /* Return s1 */ |
| pop %edi |
| pop %esi |
| pop %ebp |
| ret |