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33 lines
1.0 KiB
Groff
33 lines
1.0 KiB
Groff
.TH range_arrayinbuf 3
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.SH NAME
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range_arrayinbuf \- range check for array in buffer
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.SH SYNTAX
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.B #include <rangecheck.h>
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int \fBrange_arrayinbuf\fR(const void* buf,size_t len,
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const void* arraystart,
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size_t elements,size_t membersize);
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.SH DESCRIPTION
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range_arrayinbuf checks that the array starting at
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\fIarraystart\fR consisting of \fIelements\fR members of size
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\fImembersize\fR each starts and ends within the buffer
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\fIbuf\fR[0..\fIlen\fR-1].
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If the array is 0-terminated and you don't know the length beforehand,
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use range_strinbuf, range_str2inbuf or range_str4inbuf instead.
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.SH "RETURN VALUE"
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If the buffer is implausible (buf is NULL or buf+len has an integer
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overflow), return 0.
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If the array is implausible (arraystart is NULL, elements*membersize
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overflows, or calculating the byte offset of the last element
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overflows), return 0.
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If the first or last element of the array points before or after the
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buffer, return 0.
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Otherwise, return 1.
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.SH "SEE ALSO"
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rangecheck(3)
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