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Use safer but slower approach to copying the string.

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Rene Gollent
2012-07-02 20:17:03 -04:00
parent 29291c8c92
commit 7f7b659ec5
1 changed files with 4 additions and 3 deletions
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src/system/kernel/arch/x86/arch_x86.S
+4 -3
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@@ -286,9 +286,10 @@ FUNCTION(arch_cpu_user_strlcpy):
cld cld
.L_user_strlcpy_copy_loop: .L_user_strlcpy_copy_loop:
/* move data by bytes */ /* move data by bytes */
movsb lodsb
cmpb $0,-1(%esi) stosb
je .L_user_strlcpy_source_done test %al,%al
jz .L_user_strlcpy_source_done
loop .L_user_strlcpy_copy_loop loop .L_user_strlcpy_copy_loop
/* null terminate string */ /* null terminate string */