1 /* $Id: common.h,v 1.4 1994/12/24 17:30:18 cgd 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 Mktemp (void)mktemp 21 #define Strcpy (void)strcpy 22 #define Strcat (void)strcat 23 24 /* NeXT declares malloc and realloc incompatibly from us in some of 25 these files. Temporarily redefine them to prevent errors. */ 26 #define malloc system_malloc 27 #define realloc system_realloc 28 #include <stdio.h> 29 #include <string.h> 30 #include <assert.h> 31 #include <sys/types.h> 32 #include <sys/stat.h> 33 #include <ctype.h> 34 #include <signal.h> 35 #undef malloc 36 #undef realloc 37 38 /* constants */ 39 40 /* AIX predefines these. */ 41 #ifdef TRUE 42 #undef TRUE 43 #endif 44 #ifdef FALSE 45 #undef FALSE 46 #endif 47 #define TRUE (1) 48 #define FALSE (0) 49 50 #define MAXHUNKSIZE 100000 /* is this enough lines? */ 51 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 52 #define MAXLINELEN 1024 53 #define BUFFERSIZE 1024 54 55 #define SCCSPREFIX "s." 56 #define GET "get -e %s" 57 #define SCCSDIFF "get -p %s | diff - %s >/dev/null" 58 59 #define RCSSUFFIX ",v" 60 #define CHECKOUT "co -l %s" 61 #define RCSDIFF "rcsdiff %s > /dev/null" 62 63 #ifdef FLEXFILENAMES 64 #define ORIGEXT ".orig" 65 #define REJEXT ".rej" 66 #else 67 #define ORIGEXT "~" 68 #define REJEXT "#" 69 #endif 70 71 /* handy definitions */ 72 73 #define Null(t) ((t)0) 74 #define Nullch Null(char *) 75 #define Nullfp Null(FILE *) 76 #define Nulline Null(LINENUM) 77 78 #define Ctl(ch) ((ch) & 037) 79 80 #define strNE(s1,s2) (strcmp(s1, s2)) 81 #define strEQ(s1,s2) (!strcmp(s1, s2)) 82 #define strnNE(s1,s2,l) (strncmp(s1, s2, l)) 83 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) 84 85 /* typedefs */ 86 87 typedef char bool; 88 typedef long LINENUM; /* must be signed */ 89 typedef unsigned MEM; /* what to feed malloc */ 90 91 /* globals */ 92 93 EXT int Argc; /* guess */ 94 EXT char **Argv; 95 EXT int Argc_last; /* for restarting plan_b */ 96 EXT char **Argv_last; 97 98 EXT struct stat filestat; /* file statistics area */ 99 EXT int filemode INIT(0644); 100 101 EXT char buf[MAXLINELEN]; /* general purpose buffer */ 102 EXT FILE *ofp INIT(Nullfp); /* output file pointer */ 103 EXT FILE *rejfp INIT(Nullfp); /* reject file pointer */ 104 105 EXT int myuid; /* cache getuid return value */ 106 107 EXT bool using_plan_a INIT(TRUE); /* try to keep everything in memory */ 108 EXT bool out_of_mem INIT(FALSE); /* ran out of memory in plan a */ 109 110 #define MAXFILEC 2 111 EXT int filec INIT(0); /* how many file arguments? */ 112 EXT char *filearg[MAXFILEC]; 113 EXT bool ok_to_create_file INIT(FALSE); 114 EXT char *bestguess INIT(Nullch); /* guess at correct filename */ 115 116 EXT char *outname INIT(Nullch); 117 EXT char rejname[128]; 118 119 EXT char *origprae INIT(Nullch); 120 121 EXT char *TMPOUTNAME; 122 EXT char *TMPINNAME; 123 EXT char *TMPREJNAME; 124 EXT char *TMPPATNAME; 125 EXT bool toutkeep INIT(FALSE); 126 EXT bool trejkeep INIT(FALSE); 127 128 EXT LINENUM last_offset INIT(0); 129 #ifdef DEBUGGING 130 EXT int debug INIT(0); 131 #endif 132 EXT LINENUM maxfuzz INIT(2); 133 EXT bool force INIT(FALSE); 134 EXT bool batch INIT(FALSE); 135 EXT bool verbose INIT(TRUE); 136 EXT bool reverse INIT(FALSE); 137 EXT bool noreverse INIT(FALSE); 138 EXT bool skip_rest_of_patch INIT(FALSE); 139 EXT int strippath INIT(957); 140 EXT bool canonicalize INIT(FALSE); 141 142 #define CONTEXT_DIFF 1 143 #define NORMAL_DIFF 2 144 #define ED_DIFF 3 145 #define NEW_CONTEXT_DIFF 4 146 #define UNI_DIFF 5 147 EXT int diff_type INIT(0); 148 149 EXT bool do_defines INIT(FALSE); /* patch using ifdef, ifndef, etc. */ 150 EXT char if_defined[128]; /* #ifdef xyzzy */ 151 EXT char not_defined[128]; /* #ifndef xyzzy */ 152 EXT char else_defined[] INIT("#else\n");/* #else */ 153 EXT char end_defined[128]; /* #endif xyzzy */ 154 155 EXT char *revision INIT(Nullch); /* prerequisite revision, if any */ 156 157 #include <errno.h> 158 #ifndef errno 159 extern int errno; 160 #endif 161 162 FILE *popen(); 163 char *malloc(); 164 char *realloc(); 165 long atol(); 166 char *getenv(); 167 char *strcpy(); 168 char *strcat(); 169 char *rindex(); 170 char *mktemp(); 171 #if 0 /* This can cause a prototype conflict. */ 172 #ifdef CHARSPRINTF 173 char *sprintf(); 174 #else 175 int sprintf(); 176 #endif 177 #endif 178 179 #if !defined(S_ISDIR) && defined(S_IFDIR) 180 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 181 #endif 182 #if !defined(S_ISREG) && defined(S_IFREG) 183 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 184 #endif 185