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Annotation of coherent/b/lib/libc/string/i386/strlen.s, revision 1.1

1.1     ! root        1: //////////
        !             2: / libc/string/i386/strlen.s
        !             3: / i386 C string library.
        !             4: / ANSI 4.11.6.3.
        !             5: //////////
        !             6: 
        !             7: //////////
        !             8: / size_t
        !             9: / strlen(char *String)
        !            10: /
        !            11: / Find length of String.
        !            12: //////////
        !            13: 
        !            14: String .equ    8
        !            15: 
        !            16:        .globl  strlen
        !            17: 
        !            18: strlen:
        !            19:        push    %edi
        !            20: 
        !            21:        movl    %edi, String(%esp)      / String address to EDI
        !            22:        movl    %ecx, $-1               / Max count to ECX
        !            23:        subb    %al, %al                / NUL to AL
        !            24:        cld
        !            25:        repne
        !            26:        scasb                           / Scan to NUL
        !            27:        movl    %eax, $-2
        !            28:        subl    %eax, %ecx              / Return length in EAX
        !            29: 
        !            30:        pop     %edi
        !            31:        ret
        !            32: 
        !            33: / end of libc/string/i386/strlen.s

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