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Annotation of 42BSD/bin/diff/diff.h, revision 1.1.1.1

1.1       root        1: /*     diff.h  4.4     83/07/01        */
                      2: 
                      3: /*
                      4:  * diff - common declarations
                      5:  */
                      6: 
                      7: #include <stdio.h>
                      8: #include <ctype.h>
                      9: #include <sys/param.h>
                     10: #include <sys/stat.h>
                     11: #include <sys/dir.h>
                     12: #include <signal.h>
                     13: 
                     14: /*
                     15:  * Output format options
                     16:  */
                     17: int    opt;
                     18: 
                     19: #define        D_NORMAL        0       /* Normal output */
                     20: #define        D_EDIT          -1      /* Editor script out */
                     21: #define        D_REVERSE       1       /* Reverse editor script */
                     22: #define        D_CONTEXT       2       /* Diff with context */
                     23: #define        D_IFDEF         3       /* Diff with merged #ifdef's */
                     24: 
                     25: /*
                     26:  * Algorithm related options
                     27:  */
                     28: int    hflag;                  /* -h, use halfhearted DIFFH */
                     29: int    bflag;                  /* ignore blanks in comparisions */
                     30: 
                     31: /*
                     32:  * Options on hierarchical diffs.
                     33:  */
                     34: int    lflag;                  /* long output format with header */
                     35: int    rflag;                  /* recursively trace directories */
                     36: int    sflag;                  /* announce files which are same */
                     37: char   *start;                 /* do file only if name >= this */
                     38: 
                     39: /*
                     40:  * Variables for -I D_IFDEF option.
                     41:  */
                     42: int    wantelses;              /* -E */
                     43: char   *ifdef1;                /* String for -1 */
                     44: char   *ifdef2;                /* String for -2 */
                     45: char   *endifname;             /* What we will print on next #endif */
                     46: int    inifdef;
                     47: 
                     48: /*
                     49:  * Variables for -c context option.
                     50:  */
                     51: int    context;                /* lines of context to be printed */
                     52: 
                     53: /*
                     54:  * State for exit status.
                     55:  */
                     56: int    status;
                     57: int    anychange;
                     58: char   *tempfile;              /* used when comparing against std input */
                     59: 
                     60: /*
                     61:  * Variables for diffdir.
                     62:  */
                     63: char   **diffargv;             /* option list to pass to recursive diffs */
                     64: 
                     65: /*
                     66:  * Input file names.
                     67:  * With diffdir, file1 and file2 are allocated BUFSIZ space,
                     68:  * and padded with a '/', and then efile0 and efile1 point after
                     69:  * the '/'.
                     70:  */
                     71: char   *file1, *file2, *efile1, *efile2;
                     72: struct stat stb1, stb2;
                     73: struct stat stb1, stb2;
                     74: 
                     75: /*
                     76:  * This is allocated early, and used
                     77:  * to reset the free storage pointer to effect space compaction.
                     78:  */
                     79: char   *dummy;
                     80: 
                     81: char   *malloc(), *talloc(), *ralloc();
                     82: char   *savestr(), *splice(), *splicen();
                     83: char   *mktemp(), *copytemp(), *rindex();
                     84: int    done();
                     85: 
                     86: extern char diffh[], diff[], pr[];

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