1 /* $Header: /cvsroot/src/usr.bin/patch/common.h,v 1.1 1993/04/09 11:33:58 cgd Exp $ 2 * 3 * $Log: common.h,v $ 4 * Revision 1.1 1993/04/09 11:33:58 cgd 5 * patch 2.0.12u8, from prep.ai.mit.edu. this is not under the GPL. 6 * 7 * Revision 2.0.1.2 88/06/22 20:44:53 lwall 8 * patch12: sprintf was declared wrong 9 * 10 * Revision 2.0.1.1 88/06/03 15:01:56 lwall 11 * patch10: support for shorter extensions. 12 * 13 * Revision 2.0 86/09/17 15:36:39 lwall 14 * Baseline for netwide release. 15 * 16 */ 17 18 #define DEBUGGING 19 20 #define VOIDUSED 7 21 #include "config.h" 22 23 /* shut lint up about the following when return value ignored */ 24 25 #define Signal (void)signal 26 #define Unlink (void)unlink 27 #define Lseek (void)lseek 28 #define Fseek (void)fseek 29 #define Fstat (void)fstat 30 #define Pclose (void)pclose 31 #define Close (void)close 32 #define Fclose (void)fclose 33 #define Fflush (void)fflush 34 #define Sprintf (void)sprintf 35 #define Mktemp (void)mktemp 36 #define Strcpy (void)strcpy 37 #define Strcat (void)strcat 38 39 /* NeXT declares malloc and realloc incompatibly from us in some of 40 these files. Temporarily redefine them to prevent errors. */ 41 #define malloc system_malloc 42 #define realloc system_realloc 43 #include <stdio.h> 44 #include <assert.h> 45 #include <sys/types.h> 46 #include <sys/stat.h> 47 #include <ctype.h> 48 #include <signal.h> 49 #undef malloc 50 #undef realloc 51 52 /* constants */ 53 54 /* AIX predefines these. */ 55 #ifdef TRUE 56 #undef TRUE 57 #endif 58 #ifdef FALSE 59 #undef FALSE 60 #endif 61 #define TRUE (1) 62 #define FALSE (0) 63 64 #define MAXHUNKSIZE 100000 /* is this enough lines? */ 65 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 66 #define MAXLINELEN 1024 67 #define BUFFERSIZE 1024 68 69 #define SCCSPREFIX "s." 70 #define GET "get -e %s" 71 #define SCCSDIFF "get -p %s | diff - %s >/dev/null" 72 73 #define RCSSUFFIX ",v" 74 #define CHECKOUT "co -l %s" 75 #define RCSDIFF "rcsdiff %s > /dev/null" 76 77 #ifdef FLEXFILENAMES 78 #define ORIGEXT ".orig" 79 #define REJEXT ".rej" 80 #else 81 #define ORIGEXT "~" 82 #define REJEXT "#" 83 #endif 84 85 /* handy definitions */ 86 87 #define Null(t) ((t)0) 88 #define Nullch Null(char *) 89 #define Nullfp Null(FILE *) 90 #define Nulline Null(LINENUM) 91 92 #define Ctl(ch) ((ch) & 037) 93 94 #define strNE(s1,s2) (strcmp(s1, s2)) 95 #define strEQ(s1,s2) (!strcmp(s1, s2)) 96 #define strnNE(s1,s2,l) (strncmp(s1, s2, l)) 97 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) 98 99 /* typedefs */ 100 101 typedef char bool; 102 typedef long LINENUM; /* must be signed */ 103 typedef unsigned MEM; /* what to feed malloc */ 104 105 /* globals */ 106 107 EXT int Argc; /* guess */ 108 EXT char **Argv; 109 EXT int Argc_last; /* for restarting plan_b */ 110 EXT char **Argv_last; 111 112 EXT struct stat filestat; /* file statistics area */ 113 EXT int filemode INIT(0644); 114 115 EXT char buf[MAXLINELEN]; /* general purpose buffer */ 116 EXT FILE *ofp INIT(Nullfp); /* output file pointer */ 117 EXT FILE *rejfp INIT(Nullfp); /* reject file pointer */ 118 119 EXT int myuid; /* cache getuid return value */ 120 121 EXT bool using_plan_a INIT(TRUE); /* try to keep everything in memory */ 122 EXT bool out_of_mem INIT(FALSE); /* ran out of memory in plan a */ 123 124 #define MAXFILEC 2 125 EXT int filec INIT(0); /* how many file arguments? */ 126 EXT char *filearg[MAXFILEC]; 127 EXT bool ok_to_create_file INIT(FALSE); 128 EXT char *bestguess INIT(Nullch); /* guess at correct filename */ 129 130 EXT char *outname INIT(Nullch); 131 EXT char rejname[128]; 132 133 EXT char *origprae INIT(Nullch); 134 135 EXT char *TMPOUTNAME; 136 EXT char *TMPINNAME; 137 EXT char *TMPREJNAME; 138 EXT char *TMPPATNAME; 139 EXT bool toutkeep INIT(FALSE); 140 EXT bool trejkeep INIT(FALSE); 141 142 EXT LINENUM last_offset INIT(0); 143 #ifdef DEBUGGING 144 EXT int debug INIT(0); 145 #endif 146 EXT LINENUM maxfuzz INIT(2); 147 EXT bool force INIT(FALSE); 148 EXT bool batch INIT(FALSE); 149 EXT bool verbose INIT(TRUE); 150 EXT bool reverse INIT(FALSE); 151 EXT bool noreverse INIT(FALSE); 152 EXT bool skip_rest_of_patch INIT(FALSE); 153 EXT int strippath INIT(957); 154 EXT bool canonicalize INIT(FALSE); 155 156 #define CONTEXT_DIFF 1 157 #define NORMAL_DIFF 2 158 #define ED_DIFF 3 159 #define NEW_CONTEXT_DIFF 4 160 #define UNI_DIFF 5 161 EXT int diff_type INIT(0); 162 163 EXT bool do_defines INIT(FALSE); /* patch using ifdef, ifndef, etc. */ 164 EXT char if_defined[128]; /* #ifdef xyzzy */ 165 EXT char not_defined[128]; /* #ifndef xyzzy */ 166 EXT char else_defined[] INIT("#else\n");/* #else */ 167 EXT char end_defined[128]; /* #endif xyzzy */ 168 169 EXT char *revision INIT(Nullch); /* prerequisite revision, if any */ 170 171 #include <errno.h> 172 #ifndef errno 173 extern int errno; 174 #endif 175 176 FILE *popen(); 177 char *malloc(); 178 char *realloc(); 179 long atol(); 180 char *getenv(); 181 char *strcpy(); 182 char *strcat(); 183 char *rindex(); 184 long lseek(); 185 char *mktemp(); 186 #if 0 /* This can cause a prototype conflict. */ 187 #ifdef CHARSPRINTF 188 char *sprintf(); 189 #else 190 int sprintf(); 191 #endif 192 #endif 193 194 #if !defined(S_ISDIR) && defined(S_IFDIR) 195 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 196 #endif 197 #if !defined(S_ISREG) && defined(S_IFREG) 198 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 199 #endif 200