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DWARF_FORMFLAG(3) FreeBSD Library Functions Manual DWARF_FORMFLAG(3)
NAME
dwarf_formflag - return the value of a BOOLEAN class attribute
LIBRARY
DWARF Access Library (libdwarf, -ldwarf)
SYNOPSIS
#include <libdwarf.h>
int
dwarf_formflag(Dwarf_Attribute attr, Dwarf_Bool *ret, Dwarf_Error *err);
DESCRIPTION
Function dwarf_formflag() sets the location pointed to by argument ret to
1 if the attribute referenced by argument attr has a non-zero value, or 0
otherwise. The form of argument attr must be one of DW_FORM_flag or
DW_FORM_flag_present.
If argument err is not NULL, it will be used to return an error
descriptor in case of an error.
RETURN VALUES
Function dwarf_formflag() returns DW_DLV_OK on success. In case of an
error, it returns DW_DLV_ERROR and sets argument err.
ERRORS
Function dwarf_formflag() may fail with the following errors:
[DW_DLE_ARGUMENT] Either of arguments attr or ret was NULL.
[DW_DLE_ATTR_FORM_BAD] The attribute referenced by argument attr was
not of a permitted kind.
SEE ALSO
dwarf(3), dwarf_attr(3), dwarf_formblock(3), dwarf_formref(3),
dwarf_formsdata(3), dwarf_formsig8(3), dwarf_formstring(3),
dwarf_formudata(3), dwarf_hasattr(3)
FreeBSD 14.2-RELEASE June 21, 2010 FreeBSD 14.2-RELEASE