commands/patch/common.h

   1 /* $Header$
   2  *
   3  * $Log$
   4  * Revision 1.1  2005/04/21 14:55:10  beng
   5  * Initial revision
   6  *
   7  * Revision 1.1.1.1  2005/04/20 13:33:18  beng
   8  * Initial import of minix 2.0.4
   9  *
  10  * Revision 2.0.1.2  88/06/22  20:44:53  lwall
  11  * patch12: sprintf was declared wrong
  12  *
  13  * Revision 2.0.1.1  88/06/03  15:01:56  lwall
  14  * patch10: support for shorter extensions.
  15  *
  16  * Revision 2.0  86/09/17  15:36:39  lwall
  17  * Baseline for netwide release.
  18  *
  19  */
  20
  21 #define DEBUGGING
  22
  23 #include "config.h"
  24 #include <sys/types.h>
  25 #include <fcntl.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <unistd.h>
  29 #include <stdio.h>
  30
  31 /* shut lint up about the following when return value ignored */
  32
  33 #define Signal (void)signal
  34 #define Unlink (void)unlink
  35 #define Lseek (void)lseek
  36 #define Fseek (void)fseek
  37 #define Fstat (void)fstat
  38 #define Pclose (void)pclose
  39 #define Close (void)close
  40 #define Fclose (void)fclose
  41 #define Fflush (void)fflush
  42 #define Sprintf (void)sprintf
  43 #define Mktemp (void)mktemp
  44 #define Strcpy (void)strcpy
  45 #define Strcat (void)strcat
  46
  47 #include <sys/types.h>
  48 #include <sys/stat.h>
  49 #include <assert.h>
  50 #include <ctype.h>
  51 #include <signal.h>
  52 #include <stdio.h>
  53
  54 /* constants */
  55
  56 #define TRUE (1)
  57 #define FALSE (0)
  58
  59 #define MAXHUNKSIZE 100000              /* is this enough lines? */
  60 #define INITHUNKMAX 125                 /* initial dynamic allocation size */
  61 #define MAXLINELEN 1024
  62 #define BUFFERSIZE 1024
  63 #define SCCSPREFIX "s."
  64 #define GET "get -e %s"
  65 #define RCSSUFFIX ",v"
  66 #define CHECKOUT "co -l %s"
  67
  68 #ifdef FLEXFILENAMES
  69 #define ORIGEXT ".orig"
  70 #define REJEXT ".rej"
  71 #else
  72 #define ORIGEXT "~"
  73 #define REJEXT "#"
  74 #endif
  75
  76 /* handy definitions */
  77
  78 #define Null(t) ((t)0)
  79 #define Nullch Null(char *)
  80 #define Nullfp Null(FILE *)
  81 #define Nulline Null(LINENUM)
  82
  83 #define Ctl(ch) ((ch) & 037)
  84
  85 #define strNE(s1,s2) (strcmp(s1, s2))
  86 #define strEQ(s1,s2) (!strcmp(s1, s2))
  87 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  88 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  89
  90 /* typedefs */
  91
  92 typedef int bool;
  93 typedef long LINENUM;                   /* must be signed */
  94 typedef unsigned MEM;                   /* what to feed malloc */
  95
  96 /* globals */
  97
  98 EXT int Argc;                           /* guess */
  99 EXT char **Argv;
 100 EXT int Argc_last;                      /* for restarting plan_b */
 101 EXT char **Argv_last;
 102
 103 EXT struct stat filestat;               /* file statistics area */
 104 EXT int filemode INIT(0644);
 105
 106 EXT char buf[MAXLINELEN];               /* general purpose buffer */
 107 EXT FILE *ofp INIT(Nullfp);             /* output file pointer */
 108 EXT FILE *rejfp INIT(Nullfp);           /* reject file pointer */
 109
 110 EXT bool using_plan_a INIT(TRUE);       /* try to keep everything in memory */
 111 EXT bool out_of_mem INIT(FALSE);        /* ran out of memory in plan a */
 112
 113 #define MAXFILEC 2
 114 EXT int filec INIT(0);                  /* how many file arguments? */
 115 EXT char *filearg[MAXFILEC];
 116 EXT bool ok_to_create_file INIT(FALSE);
 117 EXT char *bestguess INIT(Nullch);       /* guess at correct filename */
 118
 119 EXT char *outname INIT(Nullch);
 120 EXT char rejname[128];
 121
 122 EXT char *origext INIT(Nullch);
 123 EXT char *origprae INIT(Nullch);
 124
 125 EXT char TMPOUTNAME[] INIT("/tmp/patchoXXXXXX");
 126 EXT char TMPINNAME[] INIT("/tmp/patchiXXXXXX"); /* might want /usr/tmp here */
 127 EXT char TMPREJNAME[] INIT("/tmp/patchrXXXXXX");
 128 EXT char TMPPATNAME[] INIT("/tmp/patchpXXXXXX");
 129 #ifdef SMALL
 130 EXT char TMPSTRNAME[] INIT("/tmp/patchsXXXXXX");
 131 #endif
 132 EXT bool toutkeep INIT(FALSE);
 133 EXT bool trejkeep INIT(FALSE);
 134
 135 EXT LINENUM last_offset INIT(0);
 136 #ifdef DEBUGGING
 137 EXT int debug INIT(0);
 138 #endif
 139 EXT LINENUM maxfuzz INIT(2);
 140 EXT bool force INIT(FALSE);
 141 EXT bool verbose INIT(TRUE);
 142 EXT bool reverse INIT(FALSE);
 143 EXT bool noreverse INIT(FALSE);
 144 EXT bool skip_rest_of_patch INIT(FALSE);
 145 EXT int strippath INIT(957);
 146 EXT bool canonicalize INIT(FALSE);
 147
 148 #define CONTEXT_DIFF 1
 149 #define NORMAL_DIFF 2
 150 #define ED_DIFF 3
 151 #define NEW_CONTEXT_DIFF 4
 152 EXT int diff_type INIT(0);
 153
 154 EXT bool do_defines INIT(FALSE);        /* patch using ifdef, ifndef, etc. */
 155 EXT char if_defined[128];               /* #ifdef xyzzy */
 156 EXT char not_defined[128];              /* #ifndef xyzzy */
 157 EXT char else_defined[] INIT("#else\n");/* #else */
 158 EXT char end_defined[128];              /* #endif xyzzy */
 159
 160 EXT char *revision INIT(Nullch);        /* prerequisite revision, if any */
 161
 162 _PROTOTYPE(void my_exit , (int status ));