1 /* Normal-format output routines for GNU DIFF.
2 Copyright (C) 1988, 1989, 1993, 1998 Free Software Foundation, Inc.
4 This file is part of GNU DIFF.
6 GNU DIFF is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU DIFF is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
21 static void print_normal_hunk PARAMS((struct change *));
23 /* Print the edit-script SCRIPT as a normal diff.
24 INF points to an array of descriptions of the two files. */
27 print_normal_script (script)
28 struct change *script;
30 print_script (script, find_change, print_normal_hunk);
33 /* Print a hunk of a normal diff.
34 This is a contiguous portion of a complete edit script,
35 describing changes in consecutive lines. */
38 print_normal_hunk (hunk)
41 int first0, last0, first1, last1, deletes, inserts;
44 /* Determine range of line numbers involved in each file. */
45 analyze_hunk (hunk, &first0, &last0, &first1, &last1, &deletes, &inserts);
46 if (!deletes && !inserts)
51 /* Print out the line number header for this hunk */
52 print_number_range (',', &files[0], first0, last0);
53 printf_output ("%c", change_letter (inserts, deletes));
54 print_number_range (',', &files[1], first1, last1);
57 /* Print the lines that the first file has. */
59 for (i = first0; i <= last0; i++)
60 print_1_line ("<", &files[0].linbuf[i]);
62 if (inserts && deletes)
63 printf_output ("---\n");
65 /* Print the lines that the second file has. */
67 for (i = first1; i <= last1; i++)
68 print_1_line (">", &files[1].linbuf[i]);