static void
print_ifdef_hunk (struct change *hunk)
{
lin first0, last0, first1, last1;
/* Determine range of line numbers involved in each file. */
enum changes changes = analyze_hunk (hunk, &first0, &last0, &first1, &last1);
if (!changes)
return;
begin_output ();
/* Print lines up to this change. */
if (next_line0 < first0 || next_line1 < first1)
format_ifdef (group_format[UNCHANGED],
next_line0, first0,
next_line1, first1);
/* Print this change. */
next_line0 = last0 + 1;
next_line1 = last1 + 1;
format_ifdef (group_format[changes],
first0, next_line0,
first1, next_line1);
}
void
print_ifdef_script (struct change *script)
{
next_line = - files[0].prefix_lines;
print_script (script, find_change, print_ifdef_hunk);
if (next_line < files[0].valid_lines)
{
begin_output ();
format_ifdef (group_format[UNCHANGED], next_line, files[0].valid_lines,
next_line - files[0].valid_lines + files[1].valid_lines,
files[1].valid_lines);
}
}
