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.