1 /* $NetBSD: common.h,v 1.11 2002/03/11 18:47:51 kristerw Exp $ */ 2 3 #define DEBUGGING 4 5 /* shut lint up about the following when return value ignored */ 6 7 #define Signal (void)signal 8 #define Unlink (void)unlink 9 #define Lseek (void)lseek 10 #define Fseek (void)fseek 11 #define Fstat (void)fstat 12 #define Pclose (void)pclose 13 #define Close (void)close 14 #define Fclose (void)fclose 15 #define Fflush (void)fflush 16 #define Sprintf (void)sprintf 17 #define Strcpy (void)strcpy 18 #define Strcat (void)strcat 19 20 #include <stdio.h> 21 #include <string.h> 22 #include <assert.h> 23 #include <sys/types.h> 24 #include <sys/stat.h> 25 #include <ctype.h> 26 #include <signal.h> 27 28 /* constants */ 29 30 /* AIX predefines these. */ 31 #ifdef TRUE 32 #undef TRUE 33 #endif 34 #ifdef FALSE 35 #undef FALSE 36 #endif 37 #define TRUE (1) 38 #define FALSE (0) 39 40 #define MAXHUNKSIZE 100000 /* is this enough lines? */ 41 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 42 #define MAXLINELEN 10240 43 #define BUFFERSIZE 1024 44 45 #define SCCSPREFIX "s." 46 #define GET "get -e %s" 47 #define SCCSDIFF "get -p %s | diff - %s >/dev/null" 48 49 #define RCSSUFFIX ",v" 50 #define CHECKOUT "co -l %s" 51 #define RCSDIFF "rcsdiff %s > /dev/null" 52 53 #define ORIGEXT ".orig" 54 #define REJEXT ".rej" 55 56 /* handy definitions */ 57 58 #define Nulline 0 59 60 #define Ctl(ch) ((ch) & 037) 61 62 #define strNE(s1,s2) (strcmp(s1, s2)) 63 #define strEQ(s1,s2) (!strcmp(s1, s2)) 64 #define strnNE(s1,s2,l) (strncmp(s1, s2, l)) 65 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) 66 67 /* typedefs */ 68 69 typedef char bool; 70 typedef long LINENUM; /* must be signed */ 71 72 /* globals */ 73 74 EXT int Argc; /* guess */ 75 EXT char **Argv; 76 EXT int Argc_last; /* for restarting plan_b */ 77 EXT char **Argv_last; 78 79 EXT struct stat filestat; /* file statistics area */ 80 EXT int filemode INIT(0644); 81 82 EXT char buf[MAXLINELEN]; /* general purpose buffer */ 83 EXT FILE *ofp INIT(NULL); /* output file pointer */ 84 EXT FILE *rejfp INIT(NULL); /* reject file pointer */ 85 86 EXT int myuid; /* cache getuid return value */ 87 88 EXT bool using_plan_a INIT(TRUE); /* try to keep everything in memory */ 89 EXT bool out_of_mem INIT(FALSE); /* ran out of memory in plan a */ 90 91 #define MAXFILEC 2 92 EXT int filec INIT(0); /* how many file arguments? */ 93 EXT char *filearg[MAXFILEC]; 94 EXT bool ok_to_create_file INIT(FALSE); 95 EXT bool filename_is_dev_null INIT(FALSE); 96 EXT bool old_file_is_dev_null INIT(FALSE); 97 EXT char *bestguess INIT(NULL); /* guess at correct filename */ 98 99 EXT char *outname INIT(NULL); 100 EXT char rejname[128]; 101 102 EXT char *origprae INIT(NULL); 103 104 EXT char *TMPOUTNAME; 105 EXT char *TMPINNAME; 106 EXT char *TMPREJNAME; 107 EXT char *TMPPATNAME; 108 EXT bool toutkeep INIT(FALSE); 109 EXT bool trejkeep INIT(FALSE); 110 111 EXT LINENUM last_offset INIT(0); 112 #ifdef DEBUGGING 113 EXT int debug INIT(0); 114 #endif 115 EXT LINENUM maxfuzz INIT(2); 116 EXT bool force INIT(FALSE); 117 EXT bool batch INIT(FALSE); 118 EXT bool verbose INIT(TRUE); 119 EXT bool reverse INIT(FALSE); 120 EXT bool noreverse INIT(FALSE); 121 EXT bool skip_rest_of_patch INIT(FALSE); 122 EXT int strippath INIT(957); 123 EXT bool canonicalize INIT(FALSE); 124 125 #define CONTEXT_DIFF 1 126 #define NORMAL_DIFF 2 127 #define ED_DIFF 3 128 #define NEW_CONTEXT_DIFF 4 129 #define UNI_DIFF 5 130 EXT int diff_type INIT(0); 131 132 EXT bool do_defines INIT(FALSE); /* patch using ifdef, ifndef, etc. */ 133 EXT char if_defined[128]; /* #ifdef xyzzy */ 134 EXT char not_defined[128]; /* #ifndef xyzzy */ 135 EXT char else_defined[] INIT("#else\n");/* #else */ 136 EXT char end_defined[128]; /* #endif xyzzy */ 137 138 EXT char *revision INIT(NULL); /* prerequisite revision, if any */ 139 140 #include <errno.h> 141 142 #if !defined(S_ISDIR) && defined(S_IFDIR) 143 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 144 #endif 145 #if !defined(S_ISREG) && defined(S_IFREG) 146 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 147 #endif 148 149 void my_exit(int) __attribute__((__noreturn__)); 150