163 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			163 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /* $Header$
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|  *
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|  * $Log$
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|  * Revision 1.1  2005/04/21 14:55:10  beng
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|  * Initial revision
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|  *
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|  * Revision 1.1.1.1  2005/04/20 13:33:18  beng
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|  * Initial import of minix 2.0.4
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|  *
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|  * Revision 2.0.1.2  88/06/22  20:44:53  lwall
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|  * patch12: sprintf was declared wrong
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|  * 
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|  * Revision 2.0.1.1  88/06/03  15:01:56  lwall
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|  * patch10: support for shorter extensions.
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|  * 
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|  * Revision 2.0  86/09/17  15:36:39  lwall
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|  * Baseline for netwide release.
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|  * 
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|  */
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| 
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| #define DEBUGGING
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| 
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| #include "config.h"
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| #include <sys/types.h>
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| #include <fcntl.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #include <unistd.h>
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| #include <stdio.h>
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| 
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| /* shut lint up about the following when return value ignored */
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| 
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| #define Signal (void)signal
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| #define Unlink (void)unlink
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| #define Lseek (void)lseek
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| #define Fseek (void)fseek
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| #define Fstat (void)fstat
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| #define Pclose (void)pclose
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| #define Close (void)close
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| #define Fclose (void)fclose
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| #define Fflush (void)fflush
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| #define Sprintf (void)sprintf
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| #define Mktemp (void)mktemp
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| #define Strcpy (void)strcpy
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| #define Strcat (void)strcat
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| 
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| #include <sys/types.h>
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| #include <sys/stat.h>
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| #include <assert.h>
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| #include <ctype.h>
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| #include <signal.h>
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| #include <stdio.h>
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| 
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| /* constants */
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| 
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| #define TRUE (1)
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| #define FALSE (0)
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| 
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| #define MAXHUNKSIZE 100000		/* is this enough lines? */
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| #define INITHUNKMAX 125			/* initial dynamic allocation size */
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| #define MAXLINELEN 1024
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| #define BUFFERSIZE 1024
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| #define SCCSPREFIX "s."
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| #define GET "get -e %s"
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| #define RCSSUFFIX ",v"
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| #define CHECKOUT "co -l %s"
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| 
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| #ifdef FLEXFILENAMES
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| #define ORIGEXT ".orig"
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| #define REJEXT ".rej"
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| #else
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| #define ORIGEXT "~"
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| #define REJEXT "#"
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| #endif
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| 
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| /* handy definitions */
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| 
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| #define Null(t) ((t)0)
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| #define Nullch Null(char *)
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| #define Nullfp Null(FILE *)
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| #define Nulline Null(LINENUM)
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| 
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| #define Ctl(ch) ((ch) & 037)
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| 
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| #define strNE(s1,s2) (strcmp(s1, s2))
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| #define strEQ(s1,s2) (!strcmp(s1, s2))
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| #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
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| #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
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| 
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| /* typedefs */
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| 
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| typedef int bool;
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| typedef long LINENUM;			/* must be signed */
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| typedef unsigned MEM;			/* what to feed malloc */
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| 
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| /* globals */
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| 
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| EXT int Argc;				/* guess */
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| EXT char **Argv;
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| EXT int Argc_last;			/* for restarting plan_b */
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| EXT char **Argv_last;
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| 
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| EXT struct stat filestat;		/* file statistics area */
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| EXT int filemode INIT(0644);
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| 
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| EXT char buf[MAXLINELEN];		/* general purpose buffer */
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| EXT FILE *ofp INIT(Nullfp);		/* output file pointer */
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| EXT FILE *rejfp INIT(Nullfp);		/* reject file pointer */
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| 
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| EXT bool using_plan_a INIT(TRUE);	/* try to keep everything in memory */
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| EXT bool out_of_mem INIT(FALSE);	/* ran out of memory in plan a */
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| 
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| #define MAXFILEC 2
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| EXT int filec INIT(0);			/* how many file arguments? */
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| EXT char *filearg[MAXFILEC];
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| EXT bool ok_to_create_file INIT(FALSE);
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| EXT char *bestguess INIT(Nullch);	/* guess at correct filename */
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| 
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| EXT char *outname INIT(Nullch);
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| EXT char rejname[128];
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| 
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| EXT char *origext INIT(Nullch);
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| EXT char *origprae INIT(Nullch);
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| 
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| EXT char TMPOUTNAME[] INIT("/tmp/patchoXXXXXX");
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| EXT char TMPINNAME[] INIT("/tmp/patchiXXXXXX");	/* might want /usr/tmp here */
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| EXT char TMPREJNAME[] INIT("/tmp/patchrXXXXXX");
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| EXT char TMPPATNAME[] INIT("/tmp/patchpXXXXXX");
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| #ifdef SMALL
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| EXT char TMPSTRNAME[] INIT("/tmp/patchsXXXXXX");
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| #endif
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| EXT bool toutkeep INIT(FALSE);
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| EXT bool trejkeep INIT(FALSE);
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| 
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| EXT LINENUM last_offset INIT(0);
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| #ifdef DEBUGGING
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| EXT int debug INIT(0);
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| #endif
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| EXT LINENUM maxfuzz INIT(2);
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| EXT bool force INIT(FALSE);
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| EXT bool verbose INIT(TRUE);
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| EXT bool reverse INIT(FALSE);
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| EXT bool noreverse INIT(FALSE);
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| EXT bool skip_rest_of_patch INIT(FALSE);
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| EXT int strippath INIT(957);
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| EXT bool canonicalize INIT(FALSE);
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| 
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| #define CONTEXT_DIFF 1
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| #define NORMAL_DIFF 2
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| #define ED_DIFF 3
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| #define NEW_CONTEXT_DIFF 4
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| EXT int diff_type INIT(0);
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| 
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| EXT bool do_defines INIT(FALSE);	/* patch using ifdef, ifndef, etc. */
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| EXT char if_defined[128];		/* #ifdef xyzzy */
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| EXT char not_defined[128];		/* #ifndef xyzzy */
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| EXT char else_defined[] INIT("#else\n");/* #else */
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| EXT char end_defined[128];		/* #endif xyzzy */
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| 
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| EXT char *revision INIT(Nullch);	/* prerequisite revision, if any */
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| 
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| _PROTOTYPE(void my_exit , (int status ));
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