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105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
--- diffextern.h
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+++ diffextern.h
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@@ -0,0 +1,102 @@
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+/* diffextern.h 2.11.1 20/08/26 */
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+
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+/*
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+ * diff external - common declarations
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+ */
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <ctype.h>
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+#include <sys/param.h>
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+#include <sys/stat.h>
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+#include <dirent.h>
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+#include <signal.h>
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+#include <string.h>
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+#include <unistd.h>
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+#include <fcntl.h>
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+#include <sys/wait.h>
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+#include <arpa/inet.h>
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+
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+/*
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+ * Output format options
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+ */
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+extern int opt;
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+
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+#define D_NORMAL 0 /* Normal output */
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+#define D_EDIT -1 /* Editor script out */
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+#define D_REVERSE 1 /* Reverse editor script */
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+#define D_CONTEXT 2 /* Diff with context */
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+#define D_IFDEF 3 /* Diff with merged #ifdef's */
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+#define D_NREVERSE 4 /* Reverse ed script with numbered
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+ lines and no trailing . */
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+
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+extern int tflag; /* expand tabs on output */
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+
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+/*
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+ * Algorithm related options
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+ */
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+extern int hflag; /* -h, use halfhearted DIFFH */
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+extern int bflag; /* ignore blanks in comparisons */
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+extern int wflag; /* totally ignore blanks in comparisons */
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+extern int iflag; /* ignore case in comparisons */
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+
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+/*
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+ * Options on hierarchical diffs.
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+ */
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+extern int lflag; /* long output format with header */
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+extern int rflag; /* recursively trace directories */
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+extern int sflag; /* announce files which are same */
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+extern char *start; /* do file only if name >= this */
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+
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+/*
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+ * Variables for -I D_IFDEF option.
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+ */
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+extern int wantelses; /* -E */
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+extern char *ifdef1; /* String for -1 */
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+extern char *ifdef2; /* String for -2 */
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+extern char *endifname; /* What we will print on next #endif */
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+extern int inifdef;
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+
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+/*
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+ * Variables for -c context option.
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+ */
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+extern int context; /* lines of context to be printed */
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+
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+/*
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+ * State for exit status.
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+ */
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+extern int status;
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+extern int anychange;
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+extern char tempfile[MAXPATHLEN];/* used when comparing against std input */
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+
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+/*
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+ * Variables for diffdir.
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+ */
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+extern char **diffargv; /* option list to pass to recursive diffs */
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+
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+/*
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+ * Input file names.
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+ * With diffdir, file1 and file2 are allocated BUFSIZ space,
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+ * and padded with a '/', and then efile0 and efile1 point after
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+ * the '/'.
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+ */
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+extern char *file1, *file2, *efile1, *efile2;
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+extern struct stat stb1, stb2;
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+
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+char *talloc(), *ralloc();
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+char *savestr(), *splice(), *splicen();
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+char *copytemp();
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+sig_t done();
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+
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+extern char diffh[], diff[], pr[];
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+
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+/* declarations */
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+void diffdir(char **argv);
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+void diffreg();
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+void noroom();
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+void setfile(char **fpp, char **epp, char *file);
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+int useless(register char *cp);
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+int min(int, int);
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+int max(int, int);
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+void prune();
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+int skipline(int);
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