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DWARF_FORMFLAG(3)          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)

NetBSD 10.99                     June 21, 2010                    NetBSD 10.99