4 * Revision 2.0.1.2 88/06/22 20:44:53 lwall
5 * patch12: sprintf was declared wrong
7 * Revision 2.0.1.1 88/06/03 15:01:56 lwall
8 * patch10: support for shorter extensions.
10 * Revision 2.0 86/09/17 15:36:39 lwall
11 * Baseline for netwide release.
20 /* shut lint up about the following when return value ignored */
22 #define Signal (void)signal
23 #define Unlink (void)unlink
24 #define Lseek (void)lseek
25 #define Fseek (void)fseek
26 #define Fstat (void)fstat
27 #define Pclose (void)pclose
28 #define Close (void)close
29 #define Fclose (void)fclose
30 #define Fflush (void)fflush
31 #define Sprintf (void)sprintf
32 #define Snprintf (void)snprintf
33 #define Mktemp (void)mktemp
34 #define Strcpy (void)strcpy
35 #define Strcat (void)strcat
36 #define Strlcpy (void)strlcpy
37 #define Strlcat (void)strlcat
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
45 #include <sys/types.h>
54 /* AIX predefines these. */
64 #define MAXHUNKSIZE 200000 /* is this enough lines? */
65 #define INITHUNKMAX 125 /* initial dynamic allocation size */
66 #define INITLINELEN 4096
67 #define BUFFERSIZE 4096
69 #define SCCSPREFIX "s."
71 #define GET_LOCKED "get -e %s"
72 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
74 #define RCSSUFFIX ",v"
75 #define CHECKOUT "co %s"
76 #define CHECKOUT_LOCKED "co -l %s"
77 #define RCSDIFF "rcsdiff %s > /dev/null"
79 /* handy definitions */
81 #define Null(t) ((t)0)
82 #define Nullch Null(char *)
83 #define Nullfp Null(FILE *)
84 #define Nulline Null(LINENUM)
86 #define Ctl(ch) ((ch) & 037)
88 #define strNE(s1,s2) (strcmp(s1, s2))
89 #define strEQ(s1,s2) (!strcmp(s1, s2))
90 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
91 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
96 typedef long LINENUM; /* must be signed */
97 typedef unsigned MEM; /* what to feed malloc */
101 EXT int Argc; /* guess */
103 EXT int optind_last; /* for restarting plan_b */
105 EXT struct stat filestat; /* file statistics area */
106 EXT int filemode INIT(0644);
108 EXT char *buf; /* general purpose buffer */
109 EXT size_t buf_size; /* size of the general purpose buffer */
110 EXT FILE *ofp INIT(Nullfp); /* output file pointer */
111 EXT FILE *rejfp INIT(Nullfp); /* reject file pointer */
113 EXT int myuid; /* cache getuid return value */
115 EXT bool using_plan_a INIT(TRUE); /* try to keep everything in memory */
116 EXT bool out_of_mem INIT(FALSE); /* ran out of memory in plan a */
119 EXT int filec INIT(0); /* how many file arguments? */
120 EXT char *filearg[MAXFILEC];
121 EXT bool ok_to_create_file INIT(FALSE);
122 EXT char *bestguess INIT(Nullch); /* guess at correct filename */
124 EXT char *outname INIT(Nullch);
125 EXT char rejname[128];
127 EXT char *origprae INIT(Nullch);
129 EXT char *TMPOUTNAME;
131 EXT char *TMPREJNAME;
132 EXT char *TMPPATNAME;
133 EXT bool toutkeep INIT(FALSE);
134 EXT bool trejkeep INIT(FALSE);
136 EXT LINENUM last_offset INIT(0);
138 EXT int debug INIT(0);
140 EXT LINENUM maxfuzz INIT(2);
141 EXT bool force INIT(FALSE);
142 EXT bool batch INIT(FALSE);
143 EXT bool verbose INIT(TRUE);
144 EXT bool reverse INIT(FALSE);
145 EXT bool noreverse INIT(FALSE);
146 EXT bool skip_rest_of_patch INIT(FALSE);
147 EXT int strippath INIT(957);
148 EXT bool canonicalize INIT(FALSE);
150 #define CONTEXT_DIFF 1
151 #define NORMAL_DIFF 2
153 #define NEW_CONTEXT_DIFF 4
155 EXT int diff_type INIT(0);
157 EXT bool do_defines INIT(FALSE); /* patch using ifdef, ifndef, etc. */
158 EXT char if_defined[128]; /* #ifdef xyzzy */
159 EXT char not_defined[128]; /* #ifndef xyzzy */
160 EXT char else_defined[] INIT("#else\n");/* #else */
161 EXT char end_defined[128]; /* #endif xyzzy */
163 EXT char *revision INIT(Nullch); /* prerequisite revision, if any */
179 char *mktemp(char *);
185 #if defined(_POSIX_VERSION) || defined(HAVE_FCNTL_H)
189 #if !defined(S_ISDIR) && defined(S_IFDIR)
190 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
192 #if !defined(S_ISREG) && defined(S_IFREG)
193 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)