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common.h revision 1.6.2.1 
      1 /*	$NetBSD: common.h,v 1.6.2.1 1997/11/27 08:19:19 mellon Exp $	*/
      2 
      3 #define DEBUGGING
      4 
      5 #define VOIDUSED 7
      6 #include "config.h"
      7 
      8 /* shut lint up about the following when return value ignored */
      9 
     10 #define Signal (void)signal
     11 #define Unlink (void)unlink
     12 #define Lseek (void)lseek
     13 #define Fseek (void)fseek
     14 #define Fstat (void)fstat
     15 #define Pclose (void)pclose
     16 #define Close (void)close
     17 #define Fclose (void)fclose
     18 #define Fflush (void)fflush
     19 #define Sprintf (void)sprintf
     20 #define Strcpy (void)strcpy
     21 #define Strcat (void)strcat
     22 
     23 /* NeXT declares malloc and realloc incompatibly from us in some of
     24    these files.  Temporarily redefine them to prevent errors.  */
     25 #define malloc system_malloc
     26 #define realloc system_realloc
     27 #include <stdio.h>
     28 #include <string.h>
     29 #include <assert.h>
     30 #include <sys/types.h>
     31 #include <sys/stat.h>
     32 #include <ctype.h>
     33 #include <signal.h>
     34 #undef malloc
     35 #undef realloc
     36 
     37 /* constants */
     38 
     39 /* AIX predefines these.  */
     40 #ifdef TRUE
     41 #undef TRUE
     42 #endif
     43 #ifdef FALSE
     44 #undef FALSE
     45 #endif
     46 #define TRUE (1)
     47 #define FALSE (0)
     48 
     49 #define MAXHUNKSIZE 100000		/* is this enough lines? */
     50 #define INITHUNKMAX 125			/* initial dynamic allocation size */
     51 #define MAXLINELEN 10240
     52 #define BUFFERSIZE 1024
     53 
     54 #define SCCSPREFIX "s."
     55 #define GET "get -e %s"
     56 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
     57 
     58 #define RCSSUFFIX ",v"
     59 #define CHECKOUT "co -l %s"
     60 #define RCSDIFF "rcsdiff %s > /dev/null"
     61 
     62 #ifdef FLEXFILENAMES
     63 #define ORIGEXT ".orig"
     64 #define REJEXT ".rej"
     65 #else
     66 #define ORIGEXT "~"
     67 #define REJEXT "#"
     68 #endif
     69 
     70 /* handy definitions */
     71 
     72 #define Null(t) ((t)0)
     73 #define Nullch Null(char *)
     74 #define Nullfp Null(FILE *)
     75 #define Nulline Null(LINENUM)
     76 
     77 #define Ctl(ch) ((ch) & 037)
     78 
     79 #define strNE(s1,s2) (strcmp(s1, s2))
     80 #define strEQ(s1,s2) (!strcmp(s1, s2))
     81 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
     82 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
     83 
     84 /* typedefs */
     85 
     86 typedef char bool;
     87 typedef long LINENUM;			/* must be signed */
     88 typedef unsigned MEM;			/* what to feed malloc */
     89 
     90 /* globals */
     91 
     92 EXT int Argc;				/* guess */
     93 EXT char **Argv;
     94 EXT int Argc_last;			/* for restarting plan_b */
     95 EXT char **Argv_last;
     96 
     97 EXT struct stat filestat;		/* file statistics area */
     98 EXT int filemode INIT(0644);
     99 
    100 EXT char buf[MAXLINELEN];		/* general purpose buffer */
    101 EXT FILE *ofp INIT(Nullfp);		/* output file pointer */
    102 EXT FILE *rejfp INIT(Nullfp);		/* reject file pointer */
    103 
    104 EXT int myuid;				/* cache getuid return value */
    105 
    106 EXT bool using_plan_a INIT(TRUE);	/* try to keep everything in memory */
    107 EXT bool out_of_mem INIT(FALSE);	/* ran out of memory in plan a */
    108 
    109 #define MAXFILEC 2
    110 EXT int filec INIT(0);			/* how many file arguments? */
    111 EXT char *filearg[MAXFILEC];
    112 EXT bool ok_to_create_file INIT(FALSE);
    113 EXT char *bestguess INIT(Nullch);	/* guess at correct filename */
    114 
    115 EXT char *outname INIT(Nullch);
    116 EXT char rejname[128];
    117 
    118 EXT char *origprae INIT(Nullch);
    119 
    120 EXT char *TMPOUTNAME;
    121 EXT char *TMPINNAME;
    122 EXT char *TMPREJNAME;
    123 EXT char *TMPPATNAME;
    124 EXT bool toutkeep INIT(FALSE);
    125 EXT bool trejkeep INIT(FALSE);
    126 
    127 EXT LINENUM last_offset INIT(0);
    128 #ifdef DEBUGGING
    129 EXT int debug INIT(0);
    130 #endif
    131 EXT LINENUM maxfuzz INIT(2);
    132 EXT bool force INIT(FALSE);
    133 EXT bool batch INIT(FALSE);
    134 EXT bool verbose INIT(TRUE);
    135 EXT bool reverse INIT(FALSE);
    136 EXT bool noreverse INIT(FALSE);
    137 EXT bool skip_rest_of_patch INIT(FALSE);
    138 EXT int strippath INIT(957);
    139 EXT bool canonicalize INIT(FALSE);
    140 
    141 #define CONTEXT_DIFF 1
    142 #define NORMAL_DIFF 2
    143 #define ED_DIFF 3
    144 #define NEW_CONTEXT_DIFF 4
    145 #define UNI_DIFF 5
    146 EXT int diff_type INIT(0);
    147 
    148 EXT bool do_defines INIT(FALSE);	/* patch using ifdef, ifndef, etc. */
    149 EXT char if_defined[128];		/* #ifdef xyzzy */
    150 EXT char not_defined[128];		/* #ifndef xyzzy */
    151 EXT char else_defined[] INIT("#else\n");/* #else */
    152 EXT char end_defined[128];		/* #endif xyzzy */
    153 
    154 EXT char *revision INIT(Nullch);	/* prerequisite revision, if any */
    155 
    156 #include <errno.h>
    157 #ifndef errno
    158 extern int errno;
    159 #endif
    160 
    161 FILE *popen();
    162 char *malloc();
    163 char *realloc();
    164 long atol();
    165 char *getenv();
    166 char *strcpy();
    167 char *strcat();
    168 char *rindex();
    169 #if 0				/* This can cause a prototype conflict.  */
    170 #ifdef CHARSPRINTF
    171 char *sprintf();
    172 #else
    173 int sprintf();
    174 #endif
    175 #endif
    176 
    177 #if !defined(S_ISDIR) && defined(S_IFDIR)
    178 #define	S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
    179 #endif
    180 #if !defined(S_ISREG) && defined(S_IFREG)
    181 #define	S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
    182 #endif
    183