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| author | Rene Gollent <anevilyak@gmail.com> | 2012-07-02 20:17:03 -0400 |
|---|---|---|
| committer | Rene Gollent <anevilyak@gmail.com> | 2012-07-02 20:17:03 -0400 |
| commit | 7f7b659ec5eb4911c6a62e86af3a379227c3eeb0 (patch) | |
| tree | 6a0987c4b66bddcd09ff47e9c7622dd2ccc4cc5c | |
| parent | 29291c8c924ada62bf015aaf70d04616cc2e7314 (diff) | |
Use safer but slower approach to copying the string.hrev44285
| -rw-r--r-- | src/system/kernel/arch/x86/arch_x86.S | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/system/kernel/arch/x86/arch_x86.S b/src/system/kernel/arch/x86/arch_x86.S index d5c51507f7..1ebcae0e82 100644 --- a/src/system/kernel/arch/x86/arch_x86.S +++ b/src/system/kernel/arch/x86/arch_x86.S @@ -286,9 +286,10 @@ FUNCTION(arch_cpu_user_strlcpy): cld .L_user_strlcpy_copy_loop: /* move data by bytes */ - movsb - cmpb $0,-1(%esi) - je .L_user_strlcpy_source_done + lodsb + stosb + test %al,%al + jz .L_user_strlcpy_source_done loop .L_user_strlcpy_copy_loop /* null terminate string */ |