/* Normal-format output routines for GNU DIFF. Copyright (C) 1988, 1989, 1993, 1995, 1998, 2001 Free Software Foundation, Inc. This file is part of GNU DIFF. GNU DIFF is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU DIFF is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "diff.h" static void print_normal_hunk (struct change *); /* Print the edit-script SCRIPT as a normal diff. INF points to an array of descriptions of the two files. */ void print_normal_script (struct change *script) { print_script (script, find_change, print_normal_hunk); } /* Print a hunk of a normal diff. This is a contiguous portion of a complete edit script, describing changes in consecutive lines. */ static void print_normal_hunk (struct change *hunk) { lin first0, last0, first1, last1; register lin i; /* 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 out the line number header for this hunk */ print_number_range (',', &files[0], first0, last0); fprintf (outfile, "%c", change_letter[changes]); print_number_range (',', &files[1], first1, last1); fprintf (outfile, "\n"); /* Print the lines that the first file has. */ if (changes & OLD) for (i = first0; i <= last0; i++) print_1_line ("<", &files[0].linbuf[i]); if (changes == CHANGED) fprintf (outfile, "---\n"); /* Print the lines that the second file has. */ if (changes & NEW) for (i = first1; i <= last1; i++) print_1_line (">", &files[1].linbuf[i]); }