/contrib/cvs/diff/diffrun.h
https://bitbucket.org/freebsd/freebsd-head/ · C++ Header · 69 lines · 21 code · 12 blank · 36 comment · 1 complexity · aec4b38b22094d356f34282402ec8394 MD5 · raw file
- /* Interface header file for GNU DIFF library.
- Copyright (C) 1998 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.
- */
- #ifndef DIFFRUN_H
- #define DIFFRUN_H
- /* This header file defines the interfaces used by the diff library.
- It should be included by programs which use the diff library. */
- #include <sys/types.h>
- #if defined __STDC__ && __STDC__
- #define DIFFPARAMS(args) args
- #else
- #define DIFFPARAMS(args) ()
- #endif
- /* The diff_callbacks structure is used to handle callbacks from the
- diff library. All output goes through these callbacks. When a
- pointer to this structure is passed in, it may be NULL. Also, any
- of the individual callbacks may be NULL. This means that the
- default action should be taken. */
- struct diff_callbacks
- {
- /* Write output. This function just writes a string of a given
- length to the output file. The default is to fwrite to OUTFILE.
- If this callback is defined, flush_output must also be defined.
- If the length is zero, output zero bytes. */
- void (*write_output) DIFFPARAMS((char const *, size_t));
- /* Flush output. The default is to fflush OUTFILE. If this
- callback is defined, write_output must also be defined. */
- void (*flush_output) DIFFPARAMS((void));
- /* Write a '\0'-terminated string to stdout.
- This is called for version and help messages. */
- void (*write_stdout) DIFFPARAMS((char const *));
- /* Print an error message. The first argument is a printf format,
- and the next two are parameters. The default is to print a
- message on stderr. */
- void (*error) DIFFPARAMS((char const *, char const *, char const *));
- };
- /* Run a diff. */
- extern int diff_run DIFFPARAMS((int, char **, const char *,
- const struct diff_callbacks *));
- /* Run a diff3. */
- extern int diff3_run DIFFPARAMS((int, char **, char *,
- const struct diff_callbacks *));
- #undef DIFFPARAMS
- #endif /* DIFFRUN_H */