Initial Import from SVN

src/cmd/diff/diff.h

@@ -0,0 +1,84 @@
+/*
+ * diff - common declarations
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/dir.h>
+#include <signal.h>
+
+/*
+ * Output format options
+ */
+int	opt;
+
+#define	D_NORMAL	0	/* Normal output */
+#define	D_EDIT		-1	/* Editor script out */
+#define	D_REVERSE	1	/* Reverse editor script */
+#define	D_CONTEXT	2	/* Diff with context */
+#define	D_IFDEF		3	/* Diff with merged #ifdef's */
+#define	D_NREVERSE	4	/* Reverse ed script with numbered
+				   lines and no trailing . */
+
+int	tflag;			/* expand tabs on output */
+
+/*
+ * Algorithm related options
+ */
+int	hflag;			/* -h, use halfhearted DIFFH */
+int	bflag;			/* ignore blanks in comparisons */
+int	wflag;			/* totally ignore blanks in comparisons */
+int	iflag;			/* ignore case in comparisons */
+
+/*
+ * Options on hierarchical diffs.
+ */
+int	lflag;			/* long output format with header */
+int	rflag;			/* recursively trace directories */
+int	sflag;			/* announce files which are same */
+char	*start;			/* do file only if name >= this */
+
+/*
+ * Variables for -I D_IFDEF option.
+ */
+int	wantelses;		/* -E */
+char	*ifdef1;		/* String for -1 */
+char	*ifdef2;		/* String for -2 */
+char	*endifname;		/* What we will print on next #endif */
+int	inifdef;
+
+/*
+ * Variables for -c context option.
+ */
+int	context;		/* lines of context to be printed */
+
+/*
+ * State for exit status.
+ */
+int	status;
+int	anychange;
+char	*tempfile;		/* used when comparing against std input */
+
+/*
+ * Variables for diffdir.
+ */
+char	**diffargv;		/* option list to pass to recursive diffs */
+
+/*
+ * Input file names.
+ * With diffdir, file1 and file2 are allocated BUFSIZ space,
+ * and padded with a '/', and then efile0 and efile1 point after
+ * the '/'.
+ */
+char	*file1, *file2, *efile1, *efile2;
+struct	stat stb1, stb2;
+
+char	*talloc(), *ralloc();
+char	*savestr(), *splice(), *splicen();
+char	*copytemp();
+void	done(int);
+
+extern	char diffh[], diff[], pr[];