1 /* $NetBSD: common.h,v 1.18 2007/10/14 04:54:34 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1988, Larry Wall 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following condition 8 * is met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this condition and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22 * SUCH DAMAGE. 23 */ 24 25 #define DEBUGGING 26 27 /* shut lint up about the following when return value ignored */ 28 29 #define Signal (void)signal 30 #define Unlink (void)unlink 31 #define Lseek (void)lseek 32 #define Fseek (void)fseek 33 #define Fstat (void)fstat 34 #define Pclose (void)pclose 35 #define Close (void)close 36 #define Fclose (void)fclose 37 #define Fflush (void)fflush 38 39 #include <stdio.h> 40 #include <string.h> 41 #include <assert.h> 42 #include <sys/types.h> 43 #include <sys/stat.h> 44 #include <ctype.h> 45 #include <signal.h> 46 47 /* constants */ 48 49 /* AIX predefines these. */ 50 #ifdef TRUE 51 #undef TRUE 52 #endif 53 #ifdef FALSE 54 #undef FALSE 55 #endif 56 #define TRUE (1) 57 #define FALSE (0) 58 59 #define MAXHUNKSIZE 100000 /* is this enough lines? */ 60 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 61 #define MAXLINELEN 10240 62 63 #define SCCSPREFIX "s." 64 #define GET "get -e %s" 65 #define SCCSDIFF "get -p %s | diff - %s >/dev/null" 66 67 #define RCSSUFFIX ",v" 68 #define CHECKOUT "co -l %s" 69 #define RCSDIFF "rcsdiff %s > /dev/null" 70 71 #define ORIGEXT ".orig" 72 #define REJEXT ".rej" 73 74 /* handy definitions */ 75 76 #define Nulline 0 77 78 #define strNE(s1,s2) (strcmp(s1, s2)) 79 #define strEQ(s1,s2) (!strcmp(s1, s2)) 80 #define strnNE(s1,s2,l) (strncmp(s1, s2, l)) 81 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) 82 83 /* typedefs */ 84 85 typedef char bool; 86 typedef int LINENUM; /* must be signed */ 87 88 /* globals */ 89 90 EXT int Argc; /* guess */ 91 EXT char **Argv; 92 93 /* TRUE if -C was specified on command line. */ 94 EXT int check_only; 95 96 EXT struct stat filestat; /* file statistics area */ 97 EXT mode_t filemode INIT(0644); 98 99 EXT char buf[MAXLINELEN]; /* general purpose buffer */ 100 EXT FILE *ofp INIT(NULL); /* output file pointer */ 101 EXT FILE *rejfp INIT(NULL); /* reject file pointer */ 102 103 EXT int myuid; /* cache getuid return value */ 104 105 #define MAXFILEC 2 106 EXT int filec INIT(0); /* how many file arguments? */ 107 EXT char *filearg[MAXFILEC]; 108 EXT bool ok_to_create_file INIT(FALSE); 109 EXT bool filename_is_dev_null INIT(FALSE); 110 EXT bool old_file_is_dev_null INIT(FALSE); 111 EXT char *bestguess INIT(NULL); /* guess at correct filename */ 112 113 EXT char *outname INIT(NULL); 114 EXT char rejname[128]; 115 116 EXT char *origprae INIT(NULL); 117 118 EXT char *TMPOUTNAME; 119 EXT char *TMPINNAME; 120 EXT char *TMPREJNAME; 121 EXT char *TMPPATNAME; 122 EXT bool toutkeep INIT(FALSE); 123 EXT bool trejkeep INIT(FALSE); 124 125 EXT LINENUM last_offset INIT(0); 126 #ifdef DEBUGGING 127 EXT int debug INIT(0); 128 #endif 129 EXT LINENUM maxfuzz INIT(2); 130 EXT bool force INIT(FALSE); 131 EXT bool batch INIT(FALSE); 132 EXT bool verbose INIT(TRUE); 133 EXT bool reverse INIT(FALSE); 134 EXT bool noreverse INIT(FALSE); 135 EXT bool skip_rest_of_patch INIT(FALSE); 136 EXT int strippath INIT(957); 137 EXT bool canonicalize INIT(FALSE); 138 139 #define CONTEXT_DIFF 1 140 #define NORMAL_DIFF 2 141 #define ED_DIFF 3 142 #define NEW_CONTEXT_DIFF 4 143 #define UNI_DIFF 5 144 EXT int diff_type INIT(0); 145 146 EXT bool do_defines INIT(FALSE); /* patch using ifdef, ifndef, etc. */ 147 EXT char if_defined[128]; /* #ifdef xyzzy */ 148 EXT char not_defined[128]; /* #ifndef xyzzy */ 149 EXT char else_defined[] INIT("#else\n");/* #else */ 150 EXT char end_defined[128]; /* #endif xyzzy */ 151 152 EXT char *revision INIT(NULL); /* prerequisite revision, if any */ 153 154 #include <errno.h> 155 156 #if !defined(S_ISDIR) && defined(S_IFDIR) 157 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 158 #endif 159 #if !defined(S_ISREG) && defined(S_IFREG) 160 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 161 #endif 162 163 void my_exit(int) __attribute__((__noreturn__)); 164 void my_sig_exit(int) __attribute__((__noreturn__)); 165