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Annotation of src/usr.bin/diff/diff.h, Revision 1.30

1.30    ! ray         1: /*     $OpenBSD: diff.h,v 1.29 2004/12/09 18:56:10 millert Exp $       */
1.2       deraadt     2:
1.15      millert     3: /*-
                      4:  * Copyright (c) 1991, 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
1.2       deraadt     6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
1.15      millert    10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
1.2       deraadt    12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
1.15      millert    15:  * 3. Neither the name of the University nor the names of its contributors
                     16:  *    may be used to endorse or promote products derived from this software
                     17:  *    without specific prior written permission.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29:  * SUCH DAMAGE.
1.2       deraadt    30:  *
1.15      millert    31:  *     @(#)diff.h      8.1 (Berkeley) 6/6/93
1.1       deraadt    32:  */
                     33:
1.28      otto       34: #include <sys/types.h>
                     35: #include <regex.h>
                     36:
1.1       deraadt    37: /*
                     38:  * Output format options
                     39:  */
                     40: #define        D_NORMAL        0       /* Normal output */
                     41: #define        D_EDIT          -1      /* Editor script out */
                     42: #define        D_REVERSE       1       /* Reverse editor script */
                     43: #define        D_CONTEXT       2       /* Diff with context */
1.6       millert    44: #define        D_UNIFIED       3       /* Unified context diff */
                     45: #define        D_IFDEF         4       /* Diff with merged #ifdef's */
                     46: #define        D_NREVERSE      5       /* Reverse ed script with numbered
1.1       deraadt    47:                                   lines and no trailing . */
1.17      millert    48: #define        D_BRIEF         6       /* Say if the files differ */
1.1       deraadt    49:
1.15      millert    50: /*
                     51:  * Output flags
                     52:  */
1.30    ! ray        53: #define        D_HEADER        0x001   /* Print a header/footer between files */
        !            54: #define        D_EMPTY1        0x002   /* Treat first file as empty (/dev/null) */
        !            55: #define        D_EMPTY2        0x004   /* Treat second file as empty (/dev/null) */
        !            56:
        !            57: /*
        !            58:  * Command line flags
        !            59:  */
        !            60: #define D_FORCEASCII   0x008   /* Treat file as ascii regardless of content */
        !            61: #define D_FOLDBLANKS   0x010   /* Treat all white space as equal */
        !            62: #define D_MINIMAL      0x020   /* Make diff as small as possible */
        !            63: #define D_IGNORECASE   0x040   /* Case-insensitive matching */
        !            64: #define D_PROTOTYPE    0x080   /* Display C function prototype */
        !            65: #define D_EXPANDTABS   0x100   /* Expand tabs to spaces */
        !            66: #define D_IGNOREBLANKS 0x200   /* Ignore white space changes */
1.15      millert    67:
1.18      millert    68: /*
                     69:  * Status values for print_status() and diffreg() return values
                     70:  */
                     71: #define        D_SAME          0       /* Files are the same */
                     72: #define        D_DIFFER        1       /* Files are different */
                     73: #define        D_BINARY        2       /* Binary files are different */
                     74: #define        D_COMMON        3       /* Subdirectory common to both dirs */
                     75: #define        D_ONLY          4       /* Only exists in one directory */
1.20      millert    76: #define        D_MISMATCH1     5       /* path1 was a dir, path2 a file */
                     77: #define        D_MISMATCH2     6       /* path1 was a file, path2 a dir */
1.25      otto       78: #define        D_ERROR         7       /* An error occurred */
1.27      millert    79: #define        D_SKIPPED1      8       /* path1 was a special file */
                     80: #define        D_SKIPPED2      9       /* path2 was a special file */
1.18      millert    81:
1.15      millert    82: struct excludes {
                     83:        char *pattern;
                     84:        struct excludes *next;
                     85: };
                     86:
1.30    ! ray        87: extern int     lflag, Nflag, Pflag, rflag, sflag, Tflag;
1.23      deraadt    88: extern int     format, context, status;
1.29      millert    89: extern char    *start, *ifdefname, *diffargs, *label[2], *ignore_pats;
1.8       tedu       90: extern struct  stat stb1, stb2;
1.15      millert    91: extern struct  excludes *excludes_list;
1.28      otto       92: extern regex_t ignore_re;
1.1       deraadt    93:
1.15      millert    94: char   *splice(char *, char *);
1.18      millert    95: int    diffreg(char *, char *, int);
                     96: int    easprintf(char **, const char *, ...);
1.7       millert    97: void   *emalloc(size_t);
                     98: void   *erealloc(void *, size_t);
1.15      millert    99: void   diffdir(char *, char *);
1.24      millert   100: void   print_only(const char *, size_t, const char *);
1.18      millert   101: void   print_status(int, char *, char *, char *);