projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 31cef89c | 1 | /* @(#)diff.h 4.1 10/9/80" */ |
| d519abda BJ |
2 | |
| 3 | /* | |
| 4 | * diff - common declarations | |
| 5 | */ | |
| 6 | ||
| 7 | #include <stdio.h> | |
| 8 | #include <ctype.h> | |
| 9 | #include <sys/types.h> | |
| 10 | #include <sys/stat.h> | |
| 11 | #include <signal.h> | |
| 12 | #include <sys/dir.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[]; |