Reading string offsets section data

Example accessing the string offsets section.

An example accessing the string offsets section

Parameters

dbg	The Dwarf_Debug of interest.
dw_error	On error dw_error is set to point to the error details.

Returns

DW_DLV_OK etc.

*/
int examplestrngoffsets(Dwarf_Debug dbg,Dwarf_Error *error)
{
    int                     res = 0;
    Dwarf_Str_Offsets_Table sot = 0;
    Dwarf_Unsigned          wasted_byte_count = 0;
    Dwarf_Unsigned          table_count = 0;
    Dwarf_Error             closeerror = 0;
 
    res = dwarf_open_str_offsets_table_access(dbg, &sot,error);
    if (res == DW_DLV_NO_ENTRY) {
        /* No such table */
        return res;
    }
    if (res == DW_DLV_ERROR) {
        /* Something is very wrong. Print the error? */
        return res;
    }
    for (;;) {
        Dwarf_Unsigned unit_length =0;
        Dwarf_Unsigned unit_length_offset =0;
        Dwarf_Unsigned table_start_offset =0;
        Dwarf_Half     entry_size = 0;
        Dwarf_Half     version =0;
        Dwarf_Half     padding =0;
        Dwarf_Unsigned table_value_count =0;
        Dwarf_Unsigned i = 0;
        Dwarf_Unsigned table_entry_value = 0;
 
        res = dwarf_next_str_offsets_table(sot,
            &unit_length, &unit_length_offset,
            &table_start_offset,
            &entry_size,&version,&padding,
            &table_value_count,error);
        if (res == DW_DLV_NO_ENTRY) {
            /* We have dealt with all tables */
 
            break;
        }
        if (res == DW_DLV_ERROR) {
            /* Something badly wrong. Do something. */
            dwarf_close_str_offsets_table_access(sot,&closeerror);
            dwarf_dealloc_error(dbg,closeerror);
            return res;
        }
        /*  One could call dwarf_str_offsets_statistics to
            get the wasted bytes so far, but we do not do that
            in this example. */
        /*  Possibly print the various table-related values
            returned just above. */
        for (i=0; i < table_value_count; ++i) {
            res = dwarf_str_offsets_value_by_index(sot,i,
                &table_entry_value,error);
            if (res != DW_DLV_OK) {
                /* Something is badly wrong. Do something. */
                dwarf_close_str_offsets_table_access(sot,&closeerror);
                dwarf_dealloc_error(dbg,closeerror);
                return res;
            }
            /*  Do something with the table_entry_value
                at this index. Maybe just print it.
                It is an offset in .debug_str. */
        }
    }
    res = dwarf_str_offsets_statistics(sot,&wasted_byte_count,
        &table_count,error);
    if (res != DW_DLV_OK) {
        dwarf_close_str_offsets_table_access(sot,&closeerror);
        dwarf_dealloc_error(dbg,closeerror);
        return res;
    }
    res = dwarf_close_str_offsets_table_access(sot,error);
    /*  little can be done about any error. */
    sot = 0;
    return res;
}
/*