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Diffstat (limited to 'static/unix-v10/man3/labeq.3')
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diff --git a/static/unix-v10/man3/labeq.3 b/static/unix-v10/man3/labeq.3 new file mode 100644 index 00000000..e858faca --- /dev/null +++ b/static/unix-v10/man3/labeq.3 @@ -0,0 +1,80 @@ +.TH LABEQ 3 +.SH NAME +labeq, lable, labmax, labmin \- compare security labels +.SH SYNOPSIS +.B #include <sys/label.h> +.PP +.B labEQ(x, y) +.br +.B struct label *x, *y; +.PP +.B labLE(x, y) +.br +.B struct label *x, *y; +.PP +.B struct label labMAX(x, y) +.br +.B struct label *x, *y; +.PP +.B struct label labMIN(x, y) +.br +.B struct label *x, *y; +.SH DESCRIPTION +.I LabEQ +returns 1 if +.I x +and +.I y +point to equal labels, otherwise 0. +The result is 1 if and only if neither argument is 0, the +flag fields are the same, and, when the flag fields are +.BR L_BITS , +the lattice values are the same. +.PP +.I LabLE +returns 1 if the security label pointed to by +.I x +compares less than or equal to the security label pointed to by +.I y. +An improper argument is treated as if it had flag +.BR L_NO . +If one of the labels has flag +.BR L_YES , +the result is 1; otherwise if one of the labels has flag +.BR L_NO , +the result is 0; +otherwise the the result is 1 +if and only if the lattice value of +.I x +is bitwise less than or +equal to the lattice value of +.I y. +(Inequalities involving +.BR L_YES +and +.BR L_NO +are not transitive.) +.PP +.I LabMAX +and +.I labMIN +respectively return the maximum (bitwise OR) and +minimum (bitwise AND) of lattice values of labels +pointed to by +.I x +and +.I y. +An improper argument is treated as if it had flag +.BR L_NO . +If one of the labels has flag +.BR L_YES , +the result is the other label; otherwise +if one of the labels has flag +.BR L_NO , +the result has flag +.BR L_NO . +.PP +The privilege and frozen-label +fields of the labels are disregarded by all of these functions. +.SH SEE ALSO +.IR getflab (2) |