mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-18 10:35:55 +00:00
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/* Normal-format output routines for GNU DIFF.
|
|
Copyright (C) 1988, 1989, 1993 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 GNU DIFF; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
|
|
#include "diff.h"
|
|
|
|
static void print_normal_hunk PARAMS((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 (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 (hunk)
|
|
struct change *hunk;
|
|
{
|
|
int first0, last0, first1, last1, deletes, inserts;
|
|
register int i;
|
|
|
|
/* Determine range of line numbers involved in each file. */
|
|
analyze_hunk (hunk, &first0, &last0, &first1, &last1, &deletes, &inserts);
|
|
if (!deletes && !inserts)
|
|
return;
|
|
|
|
begin_output ();
|
|
|
|
/* Print out the line number header for this hunk */
|
|
print_number_range (',', &files[0], first0, last0);
|
|
fprintf (outfile, "%c", change_letter (inserts, deletes));
|
|
print_number_range (',', &files[1], first1, last1);
|
|
fprintf (outfile, "\n");
|
|
|
|
/* Print the lines that the first file has. */
|
|
if (deletes)
|
|
for (i = first0; i <= last0; i++)
|
|
print_1_line ("<", &files[0].linbuf[i]);
|
|
|
|
if (inserts && deletes)
|
|
fprintf (outfile, "---\n");
|
|
|
|
/* Print the lines that the second file has. */
|
|
if (inserts)
|
|
for (i = first1; i <= last1; i++)
|
|
print_1_line (">", &files[1].linbuf[i]);
|
|
}
|