1 /* diff.h 4.6 85/06/07 */ 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 int tflag; /* expand tabs on output */ 26 27 /* 28 * Algorithm related options 29 */ 30 int hflag; /* -h, use halfhearted DIFFH */ 31 int bflag; /* ignore blanks in comparisons */ 32 int wflag; /* totally ignore blanks in comparisons */ 33 int iflag; /* ignore case in comparisons */ 34 35 /* 36 * Options on hierarchical diffs. 37 */ 38 int lflag; /* long output format with header */ 39 int rflag; /* recursively trace directories */ 40 int sflag; /* announce files which are same */ 41 char *start; /* do file only if name >= this */ 42 43 /* 44 * Variables for -I D_IFDEF option. 45 */ 46 int wantelses; /* -E */ 47 char *ifdef1; /* String for -1 */ 48 char *ifdef2; /* String for -2 */ 49 char *endifname; /* What we will print on next #endif */ 50 int inifdef; 51 52 /* 53 * Variables for -c context option. 54 */ 55 int context; /* lines of context to be printed */ 56 57 /* 58 * State for exit status. 59 */ 60 int status; 61 int anychange; 62 char *tempfile; /* used when comparing against std input */ 63 64 /* 65 * Variables for diffdir. 66 */ 67 char **diffargv; /* option list to pass to recursive diffs */ 68 69 /* 70 * Input file names. 71 * With diffdir, file1 and file2 are allocated BUFSIZ space, 72 * and padded with a '/', and then efile0 and efile1 point after 73 * the '/'. 74 */ 75 char *file1, *file2, *efile1, *efile2; 76 struct stat stb1, stb2; 77 struct stat stb1, stb2; 78 79 char *malloc(), *talloc(), *ralloc(); 80 char *savestr(), *splice(), *splicen(); 81 char *mktemp(), *copytemp(), *rindex(); 82 int done(); 83 84 extern char diffh[], diff[], pr[]; 85