/* Normal-format output routines for GNU DIFF. Copyright (C) 1988-1989, 1993, 1995, 1998, 2001, 2006, 2009-2013 Free Software Foundation, Inc. This file is part of GNU DIFF. This program 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 3 of the License, or (at your option) any later version. This program 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. If not, see . */ #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); fputc (change_letter[changes], outfile); print_number_range (',', &files[1], first1, last1); fputc ('\n', outfile); /* 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) fputs ("---\n", outfile); /* Print the lines that the second file has. */ if (changes & NEW) for (i = first1; i <= last1; i++) print_1_line (">", &files[1].linbuf[i]); }