diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/miscellany/patch-2.0.12u8/common.h

   1 /* $Header: common.h,v 2.0.1.2 88/06/22 20:44:53 lwall Locked $
   2  *
   3  * $Log:        common.h,v $
   4  * Revision 2.0.1.2  88/06/22  20:44:53  lwall
   5  * patch12: sprintf was declared wrong
   6  *
   7  * Revision 2.0.1.1  88/06/03  15:01:56  lwall
   8  * patch10: support for shorter extensions.
   9  *
  10  * Revision 2.0  86/09/17  15:36:39  lwall
  11  * Baseline for netwide release.
  12  *
  13  */
  14
  15 #define DEBUGGING
  16
  17 #define VOIDUSED 7
  18 #include "config.h"
  19
  20 /* shut lint up about the following when return value ignored */
  21
  22 #define Signal (void)signal
  23 #define Unlink (void)unlink
  24 #define Lseek (void)lseek
  25 #define Fseek (void)fseek
  26 #define Fstat (void)fstat
  27 #define Pclose (void)pclose
  28 #define Close (void)close
  29 #define Fclose (void)fclose
  30 #define Fflush (void)fflush
  31 #define Sprintf (void)sprintf
  32 #define Mktemp (void)mktemp
  33 #define Strcpy (void)strcpy
  34 #define Strcat (void)strcat
  35
  36 /* NeXT declares malloc and realloc incompatibly from us in some of
  37    these files.  Temporarily redefine them to prevent errors.  */
  38 #define malloc system_malloc
  39 #define realloc system_realloc
  40 #include <stdio.h>
  41 #include <assert.h>
  42 #include <sys/types.h>
  43 #include <sys/stat.h>
  44 #include <ctype.h>
  45 #include <signal.h>
  46 #undef malloc
  47 #undef realloc
  48
  49 /* constants */
  50
  51 /* AIX predefines these.  */
  52 #ifdef TRUE
  53 #undef TRUE
  54 #endif
  55 #ifdef FALSE
  56 #undef FALSE
  57 #endif
  58 #define TRUE (1)
  59 #define FALSE (0)
  60
  61 #define MAXHUNKSIZE 100000              /* is this enough lines? */
  62 #define INITHUNKMAX 125                 /* initial dynamic allocation size */
  63 #define MAXLINELEN 1024
  64 #define BUFFERSIZE 1024
  65
  66 #define SCCSPREFIX "s."
  67 #define GET "get -e %s"
  68 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
  69
  70 #define RCSSUFFIX ",v"
  71 #define CHECKOUT "co -l %s"
  72 #define RCSDIFF "rcsdiff %s > /dev/null"
  73
  74 #ifdef FLEXFILENAMES
  75 #define ORIGEXT ".orig"
  76 #define REJEXT ".rej"
  77 #else
  78 #define ORIGEXT "~"
  79 #define REJEXT "#"
  80 #endif
  81
  82 /* handy definitions */
  83
  84 #define Null(t) ((t)0)
  85 #define Nullch Null(char *)
  86 #define Nullfp Null(FILE *)
  87 #define Nulline Null(LINENUM)
  88
  89 #define Ctl(ch) ((ch) & 037)
  90
  91 #define strNE(s1,s2) (strcmp(s1, s2))
  92 #define strEQ(s1,s2) (!strcmp(s1, s2))
  93 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  94 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  95
  96 /* typedefs */
  97
  98 typedef char bool;
  99 typedef long LINENUM;                   /* must be signed */
 100 typedef unsigned MEM;                   /* what to feed malloc */
 101
 102 /* globals */
 103
 104 EXT int Argc;                           /* guess */
 105 EXT char **Argv;
 106 EXT int Argc_last;                      /* for restarting plan_b */
 107 EXT char **Argv_last;
 108
 109 EXT struct stat filestat;               /* file statistics area */
 110 EXT int filemode INIT(0644);
 111
 112 EXT char buf[MAXLINELEN];               /* general purpose buffer */
 113 EXT FILE *ofp INIT(Nullfp);             /* output file pointer */
 114 EXT FILE *rejfp INIT(Nullfp);           /* reject file pointer */
 115
 116 EXT int myuid;                          /* cache getuid return value */
 117
 118 EXT bool using_plan_a INIT(TRUE);       /* try to keep everything in memory */
 119 EXT bool out_of_mem INIT(FALSE);        /* ran out of memory in plan a */
 120
 121 #define MAXFILEC 2
 122 EXT int filec INIT(0);                  /* how many file arguments? */
 123 EXT char *filearg[MAXFILEC];
 124 EXT bool ok_to_create_file INIT(FALSE);
 125 EXT char *bestguess INIT(Nullch);       /* guess at correct filename */
 126
 127 EXT char *outname INIT(Nullch);
 128 EXT char rejname[128];
 129
 130 EXT char *origprae INIT(Nullch);
 131
 132 EXT char *TMPOUTNAME;
 133 EXT char *TMPINNAME;
 134 EXT char *TMPREJNAME;
 135 EXT char *TMPPATNAME;
 136 EXT bool toutkeep INIT(FALSE);
 137 EXT bool trejkeep INIT(FALSE);
 138
 139 EXT LINENUM last_offset INIT(0);
 140 #ifdef DEBUGGING
 141 EXT int debug INIT(0);
 142 #endif
 143 EXT LINENUM maxfuzz INIT(2);
 144 EXT bool force INIT(FALSE);
 145 EXT bool batch INIT(FALSE);
 146 EXT bool verbose INIT(TRUE);
 147 EXT bool reverse INIT(FALSE);
 148 EXT bool noreverse INIT(FALSE);
 149 EXT bool skip_rest_of_patch INIT(FALSE);
 150 EXT int strippath INIT(957);
 151 EXT bool canonicalize INIT(FALSE);
 152
 153 #define CONTEXT_DIFF 1
 154 #define NORMAL_DIFF 2
 155 #define ED_DIFF 3
 156 #define NEW_CONTEXT_DIFF 4
 157 #define UNI_DIFF 5
 158 EXT int diff_type INIT(0);
 159
 160 EXT bool do_defines INIT(FALSE);        /* patch using ifdef, ifndef, etc. */
 161 EXT char if_defined[128];               /* #ifdef xyzzy */
 162 EXT char not_defined[128];              /* #ifndef xyzzy */
 163 EXT char else_defined[] INIT("#else\n");/* #else */
 164 EXT char end_defined[128];              /* #endif xyzzy */
 165
 166 EXT char *revision INIT(Nullch);        /* prerequisite revision, if any */
 167
 168 #include <errno.h>
 169 #ifndef errno
 170 extern int errno;
 171 #endif
 172
 173 FILE *popen();
 174 char *malloc();
 175 char *realloc();
 176 long atol();
 177 char *getenv();
 178 char *strcpy();
 179 char *strcat();
 180 char *rindex();
 181 long lseek();
 182 char *mktemp();
 183 #if 0                           /* This can cause a prototype conflict.  */
 184 #ifdef CHARSPRINTF
 185 char *sprintf();
 186 #else
 187 int sprintf();
 188 #endif
 189 #endif
 190
 191 #if !defined(S_ISDIR) && defined(S_IFDIR)
 192 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
 193 #endif
 194 #if !defined(S_ISREG) && defined(S_IFREG)
 195 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
 196 #endif