projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| a3e88724 | 1 | /* diff.h 4.7 85/08/16 */ |
| d519abda BJ |
2 | |
| 3 | /* | |
| 4 | * diff - common declarations | |
| 5 | */ | |
| 6 | ||
| 7 | #include <stdio.h> | |
| 8 | #include <ctype.h> | |
| 3d9f6a35 | 9 | #include <sys/param.h> |
| d519abda | 10 | #include <sys/stat.h> |
| e5a20f80 | 11 | #include <sys/dir.h> |
| d519abda | 12 | #include <signal.h> |
| d519abda BJ |
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 */ | |
| a3e88724 VJ |
24 | #define D_NREVERSE 4 /* Reverse ed script with numbered |
| 25 | lines and no trailing . */ | |
| d519abda | 26 | |
| c470b1f1 VJ |
27 | int tflag; /* expand tabs on output */ |
| 28 | ||
| d519abda BJ |
29 | /* |
| 30 | * Algorithm related options | |
| 31 | */ | |
| 32 | int hflag; /* -h, use halfhearted DIFFH */ | |
| c470b1f1 VJ |
33 | int bflag; /* ignore blanks in comparisons */ |
| 34 | int wflag; /* totally ignore blanks in comparisons */ | |
| 35 | int iflag; /* ignore case in comparisons */ | |
| d519abda BJ |
36 | |
| 37 | /* | |
| 38 | * Options on hierarchical diffs. | |
| 39 | */ | |
| 40 | int lflag; /* long output format with header */ | |
| 41 | int rflag; /* recursively trace directories */ | |
| 42 | int sflag; /* announce files which are same */ | |
| 43 | char *start; /* do file only if name >= this */ | |
| 44 | ||
| 45 | /* | |
| 46 | * Variables for -I D_IFDEF option. | |
| 47 | */ | |
| 48 | int wantelses; /* -E */ | |
| 49 | char *ifdef1; /* String for -1 */ | |
| 50 | char *ifdef2; /* String for -2 */ | |
| 51 | char *endifname; /* What we will print on next #endif */ | |
| 52 | int inifdef; | |
| 53 | ||
| 54 | /* | |
| 55 | * Variables for -c context option. | |
| 56 | */ | |
| 57 | int context; /* lines of context to be printed */ | |
| 58 | ||
| 59 | /* | |
| 60 | * State for exit status. | |
| 61 | */ | |
| 62 | int status; | |
| 63 | int anychange; | |
| 64 | char *tempfile; /* used when comparing against std input */ | |
| 65 | ||
| 66 | /* | |
| 67 | * Variables for diffdir. | |
| 68 | */ | |
| 69 | char **diffargv; /* option list to pass to recursive diffs */ | |
| 70 | ||
| 71 | /* | |
| 72 | * Input file names. | |
| 73 | * With diffdir, file1 and file2 are allocated BUFSIZ space, | |
| 74 | * and padded with a '/', and then efile0 and efile1 point after | |
| 75 | * the '/'. | |
| 76 | */ | |
| 77 | char *file1, *file2, *efile1, *efile2; | |
| 78 | struct stat stb1, stb2; | |
| d519abda | 79 | |
| d519abda BJ |
80 | char *malloc(), *talloc(), *ralloc(); |
| 81 | char *savestr(), *splice(), *splicen(); | |
| 82 | char *mktemp(), *copytemp(), *rindex(); | |
| 83 | int done(); | |
| 84 | ||
| 85 | extern char diffh[], diff[], pr[]; |