diff options
| author | christos <christos@NetBSD.org> | 2016-01-13 03:41:44 +0000 |
|---|---|---|
| committer | christos <christos@NetBSD.org> | 2016-01-13 03:41:44 +0000 |
| commit | beeb86fbf335bbe73b0ecee826d3435e55f61cf9 (patch) | |
| tree | 1fd7af3dffec9798776995b398b381a8a4fc71a8 /gnu/dist/diffutils/src/diff.h | |
| parent | e24eccea776de5d0b3032898b8329fd07f09d4ce (diff) | |
diffutils has moved
Diffstat (limited to 'gnu/dist/diffutils/src/diff.h')
| -rw-r--r-- | gnu/dist/diffutils/src/diff.h | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/gnu/dist/diffutils/src/diff.h b/gnu/dist/diffutils/src/diff.h deleted file mode 100644 index deb561a6931..00000000000 --- a/gnu/dist/diffutils/src/diff.h +++ /dev/null @@ -1,377 +0,0 @@ -/* $NetBSD: diff.h,v 1.1.1.1 2003/01/26 00:43:16 wiz Exp $ */ - -/* Shared definitions for GNU DIFF - - Copyright (C) 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1998, 2001, - 2002 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 this program; see the file COPYING. - If not, write to the Free Software Foundation, - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "system.h" -#include <stdio.h> - -#define TAB_WIDTH 8 - -/* What kind of changes a hunk contains. */ -enum changes -{ - /* No changes: lines common to both files. */ - UNCHANGED, - - /* Deletes only: lines taken from just the first file. */ - OLD, - - /* Inserts only: lines taken from just the second file. */ - NEW, - - /* Both deletes and inserts: a hunk containing both old and new lines. */ - CHANGED -}; - -/* Variables for command line options */ - -#ifndef GDIFF_MAIN -# define XTERN extern -#else -# define XTERN -#endif - -enum output_style -{ - /* No output style specified. */ - OUTPUT_UNSPECIFIED, - - /* Default output style. */ - OUTPUT_NORMAL, - - /* Output the differences with lines of context before and after (-c). */ - OUTPUT_CONTEXT, - - /* Output the differences in a unified context diff format (-u). */ - OUTPUT_UNIFIED, - - /* Output the differences as commands suitable for `ed' (-e). */ - OUTPUT_ED, - - /* Output the diff as a forward ed script (-f). */ - OUTPUT_FORWARD_ED, - - /* Like -f, but output a count of changed lines in each "command" (-n). */ - OUTPUT_RCS, - - /* Output merged #ifdef'd file (-D). */ - OUTPUT_IFDEF, - - /* Output sdiff style (-y). */ - OUTPUT_SDIFF -}; - -/* True for output styles that are robust, - i.e. can handle a file that ends in a non-newline. */ -#define ROBUST_OUTPUT_STYLE(S) ((S) != OUTPUT_ED && (S) != OUTPUT_FORWARD_ED) - -XTERN enum output_style output_style; - -/* Nonzero if output cannot be generated for identical files. */ -XTERN bool no_diff_means_no_output; - -/* Number of lines of context to show in each set of diffs. - This is zero when context is not to be shown. */ -XTERN lin context; - -/* Consider all files as text files (-a). - Don't interpret codes over 0177 as implying a "binary file". */ -XTERN bool text; - -/* Number of lines to keep in identical prefix and suffix. */ -XTERN lin horizon_lines; - -/* The significance of white space during comparisons. */ -XTERN enum -{ - /* All white space is significant (the default). */ - IGNORE_NO_WHITE_SPACE, - - /* Ignore changes due to tab expansion (-E). */ - IGNORE_TAB_EXPANSION, - - /* Ignore changes in horizontal white space (-b). */ - IGNORE_SPACE_CHANGE, - - /* Ignore all horizontal white space (-w). */ - IGNORE_ALL_SPACE -} ignore_white_space; - -/* Ignore changes that affect only blank lines (-B). */ -XTERN bool ignore_blank_lines; - -/* Files can be compared byte-by-byte, as if they were binary. - This depends on various options. */ -XTERN bool files_can_be_treated_as_binary; - -/* Ignore differences in case of letters (-i). */ -XTERN bool ignore_case; - -/* Ignore differences in case of letters in file names. */ -XTERN bool ignore_file_name_case; - -/* File labels for `-c' output headers (--label). */ -XTERN char *file_label[2]; - -/* Regexp to identify function-header lines (-F). */ -XTERN struct re_pattern_buffer function_regexp; - -/* Ignore changes that affect only lines matching this regexp (-I). */ -XTERN struct re_pattern_buffer ignore_regexp; - -/* Say only whether files differ, not how (-q). */ -XTERN bool brief; - -/* Expand tabs in the output so the text lines up properly - despite the characters added to the front of each line (-t). */ -XTERN bool expand_tabs; - -/* Use a tab in the output, rather than a space, before the text of an - input line, so as to keep the proper alignment in the input line - without changing the characters in it (-T). */ -XTERN bool initial_tab; - -/* Remove trailing carriage returns from input. */ -XTERN bool strip_trailing_cr; - -/* In directory comparison, specify file to start with (-S). - This is used for resuming an aborted comparison. - All file names less than this name are ignored. */ -XTERN char const *starting_file; - -/* Pipe each file's output through pr (-l). */ -XTERN bool paginate; - -/* Line group formats for unchanged, old, new, and changed groups. */ -XTERN char const *group_format[CHANGED + 1]; - -/* Line formats for unchanged, old, and new lines. */ -XTERN char const *line_format[NEW + 1]; - -/* If using OUTPUT_SDIFF print extra information to help the sdiff filter. */ -XTERN bool sdiff_merge_assist; - -/* Tell OUTPUT_SDIFF to show only the left version of common lines. */ -XTERN bool left_column; - -/* Tell OUTPUT_SDIFF to not show common lines. */ -XTERN bool suppress_common_lines; - -/* The half line width and column 2 offset for OUTPUT_SDIFF. */ -XTERN unsigned int sdiff_half_width; -XTERN unsigned int sdiff_column2_offset; - -/* String containing all the command options diff received, - with spaces between and at the beginning but none at the end. - If there were no options given, this string is empty. */ -XTERN char *switch_string; - -/* Use heuristics for better speed with large files with a small - density of changes. */ -XTERN bool speed_large_files; - -/* Patterns that match file names to be excluded. */ -XTERN struct exclude *excluded; - -/* Don't discard lines. This makes things slower (sometimes much - slower) but will find a guaranteed minimal set of changes. */ -XTERN bool minimal; - -/* Name of program the user invoked (for error messages). */ -XTERN char *program_name; - -/* The strftime format to use for time strings. */ -XTERN char const *time_format; - -/* The result of comparison is an "edit script": a chain of `struct change'. - Each `struct change' represents one place where some lines are deleted - and some are inserted. - - LINE0 and LINE1 are the first affected lines in the two files (origin 0). - DELETED is the number of lines deleted here from file 0. - INSERTED is the number of lines inserted here in file 1. - - If DELETED is 0 then LINE0 is the number of the line before - which the insertion was done; vice versa for INSERTED and LINE1. */ - -struct change -{ - struct change *link; /* Previous or next edit command */ - lin inserted; /* # lines of file 1 changed here. */ - lin deleted; /* # lines of file 0 changed here. */ - lin line0; /* Line number of 1st deleted line. */ - lin line1; /* Line number of 1st inserted line. */ - bool ignore; /* Flag used in context.c. */ -}; - -/* Structures that describe the input files. */ - -/* Data on one input file being compared. */ - -struct file_data { - int desc; /* File descriptor */ - char const *name; /* File name */ - struct stat stat; /* File status */ - - /* Buffer in which text of file is read. */ - word *buffer; - - /* Allocated size of buffer, in bytes. Always a multiple of - sizeof *buffer. */ - size_t bufsize; - - /* Number of valid bytes now in the buffer. */ - size_t buffered; - - /* Array of pointers to lines in the file. */ - char const **linbuf; - - /* linbuf_base <= buffered_lines <= valid_lines <= alloc_lines. - linebuf[linbuf_base ... buffered_lines - 1] are possibly differing. - linebuf[linbuf_base ... valid_lines - 1] contain valid data. - linebuf[linbuf_base ... alloc_lines - 1] are allocated. */ - lin linbuf_base, buffered_lines, valid_lines, alloc_lines; - - /* Pointer to end of prefix of this file to ignore when hashing. */ - char const *prefix_end; - - /* Count of lines in the prefix. - There are this many lines in the file before linbuf[0]. */ - lin prefix_lines; - - /* Pointer to start of suffix of this file to ignore when hashing. */ - char const *suffix_begin; - - /* Vector, indexed by line number, containing an equivalence code for - each line. It is this vector that is actually compared with that - of another file to generate differences. */ - lin *equivs; - - /* Vector, like the previous one except that - the elements for discarded lines have been squeezed out. */ - lin *undiscarded; - - /* Vector mapping virtual line numbers (not counting discarded lines) - to real ones (counting those lines). Both are origin-0. */ - lin *realindexes; - - /* Total number of nondiscarded lines. */ - lin nondiscarded_lines; - - /* Vector, indexed by real origin-0 line number, - containing TRUE for a line that is an insertion or a deletion. - The results of comparison are stored here. */ - bool *changed; - - /* 1 if file ends in a line with no final newline. */ - bool missing_newline; - - /* 1 if at end of file. */ - bool eof; - - /* 1 more than the maximum equivalence value used for this or its - sibling file. */ - lin equiv_max; -}; - -/* The file buffer, considered as an array of bytes rather than - as an array of words. */ -#define FILE_BUFFER(f) ((char *) (f)->buffer) - -/* Data on two input files being compared. */ - -struct comparison - { - struct file_data file[2]; - struct comparison const *parent; /* parent, if a recursive comparison */ - }; - -/* Describe the two files currently being compared. */ - -XTERN struct file_data files[2]; - -/* Stdio stream to output diffs to. */ - -XTERN FILE *outfile; - -/* Declare various functions. */ - -/* analyze.c */ -int diff_2_files (struct comparison *); - -/* context.c */ -void print_context_header (struct file_data[], bool); -void print_context_script (struct change *, bool); - -/* dir.c */ -int diff_dirs (struct comparison const *, int (*) (struct comparison const *, char const *, char const *)); - -/* ed.c */ -void print_ed_script (struct change *); -void pr_forward_ed_script (struct change *); - -/* ifdef.c */ -void print_ifdef_script (struct change *); - -/* io.c */ -void file_block_read (struct file_data *, size_t); -bool read_files (struct file_data[], bool); - -/* normal.c */ -void print_normal_script (struct change *); - -/* rcs.c */ -void print_rcs_script (struct change *); - -/* side.c */ -void print_sdiff_script (struct change *); - -/* util.c */ -extern char const change_letter[4]; -extern char const pr_program[]; -char *concat (char const *, char const *, char const *); -char *dir_file_pathname (char const *, char const *); -bool lines_differ (char const *, char const *); -lin translate_line_number (struct file_data const *, lin); -struct change *find_change (struct change *); -struct change *find_reverse_change (struct change *); -void *zalloc (size_t); -enum changes analyze_hunk (struct change *, lin *, lin *, lin *, lin *); -void begin_output (void); -void debug_script (struct change *); -void fatal (char const *) __attribute__((noreturn)); -void finish_output (void); -void message (char const *, char const *, char const *); -void message5 (char const *, char const *, char const *, char const *, char const *); -void output_1_line (char const *, char const *, char const *, char const *); -void perror_with_name (char const *); -void pfatal_with_name (char const *) __attribute__((noreturn)); -void print_1_line (char const *, char const * const *); -void print_message_queue (void); -void print_number_range (char, struct file_data *, lin, lin); -void print_script (struct change *, struct change * (*) (struct change *), void (*) (struct change *)); -void setup_output (char const *, char const *, bool); -void translate_range (struct file_data const *, lin, lin, long *, long *); - -/* version.c */ -extern char const version_string[]; |
