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Annotation of src/usr.bin/diff/diff.h, Revision 1.6

1.6     ! millert     1: /*     $OpenBSD: diff.h,v 1.5 2003/06/25 07:26:59 tedu Exp $   */
1.2       deraadt     2:
                      3: /*
                      4:  * Copyright (C) Caldera International Inc.  2001-2002.
                      5:  * All rights reserved.
                      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:
                     10:  * 1. Redistributions of source code and documentation must retain the above
                     11:  *    copyright notice, this list of conditions and the following disclaimer.
                     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.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed or owned by Caldera
                     18:  *     International, Inc.
                     19:  * 4. Neither the name of Caldera International, Inc. nor the names of other
                     20:  *    contributors may be used to endorse or promote products derived from
                     21:  *    this software without specific prior written permission.
                     22:  *
                     23:  * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
                     24:  * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
                     25:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     26:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     27:  * IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE FOR ANY DIRECT,
                     28:  * INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     29:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     30:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     32:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
                     33:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     34:  * POSSIBILITY OF SUCH DAMAGE.
                     35:  */
                     36:
1.1       deraadt    37: /*     diff.h  4.7     85/08/16        */
                     38:
                     39: /*
                     40:  * diff - common declarations
                     41:  */
                     42:
                     43: #include <sys/param.h>
                     44: #include <sys/stat.h>
                     45: #include <sys/dir.h>
1.6     ! millert    46:
        !            47: #include <ctype.h>
        !            48: #include <err.h>
1.1       deraadt    49: #include <signal.h>
1.6     ! millert    50: #include <stdio.h>
1.1       deraadt    51:
                     52: /*
                     53:  * Output format options
                     54:  */
                     55: int    opt;
                     56:
                     57: #define        D_NORMAL        0       /* Normal output */
                     58: #define        D_EDIT          -1      /* Editor script out */
                     59: #define        D_REVERSE       1       /* Reverse editor script */
                     60: #define        D_CONTEXT       2       /* Diff with context */
1.6     ! millert    61: #define        D_UNIFIED       3       /* Unified context diff */
        !            62: #define        D_IFDEF         4       /* Diff with merged #ifdef's */
        !            63: #define        D_NREVERSE      5       /* Reverse ed script with numbered
1.1       deraadt    64:                                   lines and no trailing . */
                     65:
                     66: int    tflag;                  /* expand tabs on output */
                     67:
                     68: /*
                     69:  * Algorithm related options
                     70:  */
                     71: int    hflag;                  /* -h, use halfhearted DIFFH */
                     72: int    bflag;                  /* ignore blanks in comparisons */
                     73: int    wflag;                  /* totally ignore blanks in comparisons */
                     74: int    iflag;                  /* ignore case in comparisons */
                     75:
                     76: /*
                     77:  * Options on hierarchical diffs.
                     78:  */
                     79: int    lflag;                  /* long output format with header */
                     80: int    rflag;                  /* recursively trace directories */
                     81: int    sflag;                  /* announce files which are same */
                     82: char   *start;                 /* do file only if name >= this */
                     83:
                     84: /*
                     85:  * Variables for -I D_IFDEF option.
                     86:  */
                     87: int    wantelses;              /* -E */
                     88: char   *ifdef1;                /* String for -1 */
                     89: char   *ifdef2;                /* String for -2 */
                     90: char   *endifname;             /* What we will print on next #endif */
                     91: int    inifdef;
                     92:
                     93: /*
                     94:  * Variables for -c context option.
                     95:  */
                     96: int    context;                /* lines of context to be printed */
                     97:
                     98: /*
                     99:  * State for exit status.
                    100:  */
                    101: int    status;
                    102: int    anychange;
                    103: char   *tempfile;              /* used when comparing against std input */
                    104:
                    105: /*
                    106:  * Variables for diffdir.
                    107:  */
                    108: char   **diffargv;             /* option list to pass to recursive diffs */
                    109:
                    110: /*
                    111:  * Input file names.
                    112:  * With diffdir, file1 and file2 are allocated BUFSIZ space,
                    113:  * and padded with a '/', and then efile0 and efile1 point after
                    114:  * the '/'.
                    115:  */
                    116: char   *file1, *file2, *efile1, *efile2;
                    117: struct stat stb1, stb2;
                    118:
1.3       tedu      119: void   *talloc(size_t);
                    120: void   *ralloc(void *, size_t);
                    121: char   *splice(char *, char *);
                    122: char   *copytemp(void);
                    123: void   diffdir(char **);
                    124: void   diffreg(void);
                    125: int    max(int, int);
                    126: int    min(int, int);
1.6     ! millert   127: __dead void done(int);
1.1       deraadt   128:
                    129: extern char diffh[], diff[], pr[];