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ec9763539f
Note, this is going to be messy.. 2.3 was vendor-branch imported, while 2.6 was done as a delta. Sigh. I'm importing this on a vendor branch so that it will be easier to deal with next time.. (cvs-1.6 wants rcs-5.7, and rcs-5.7 suggests diffutils-2.7)
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/* Normal-format output routines for GNU DIFF.
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Copyright (C) 1988, 1989, 1993 Free Software Foundation, Inc.
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This file is part of GNU DIFF.
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GNU DIFF is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU DIFF is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU DIFF; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "diff.h"
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static void print_normal_hunk PARAMS((struct change *));
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/* Print the edit-script SCRIPT as a normal diff.
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INF points to an array of descriptions of the two files. */
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void
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print_normal_script (script)
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struct change *script;
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{
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print_script (script, find_change, print_normal_hunk);
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}
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/* Print a hunk of a normal diff.
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This is a contiguous portion of a complete edit script,
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describing changes in consecutive lines. */
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static void
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print_normal_hunk (hunk)
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struct change *hunk;
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{
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int first0, last0, first1, last1, deletes, inserts;
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register int i;
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/* Determine range of line numbers involved in each file. */
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analyze_hunk (hunk, &first0, &last0, &first1, &last1, &deletes, &inserts);
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if (!deletes && !inserts)
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return;
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begin_output ();
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/* Print out the line number header for this hunk */
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print_number_range (',', &files[0], first0, last0);
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fprintf (outfile, "%c", change_letter (inserts, deletes));
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print_number_range (',', &files[1], first1, last1);
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fprintf (outfile, "\n");
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/* Print the lines that the first file has. */
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if (deletes)
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for (i = first0; i <= last0; i++)
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print_1_line ("<", &files[0].linbuf[i]);
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if (inserts && deletes)
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fprintf (outfile, "---\n");
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/* Print the lines that the second file has. */
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if (inserts)
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for (i = first1; i <= last1; i++)
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print_1_line (">", &files[1].linbuf[i]);
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}
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