1/* $FreeBSD$
2 *
3 * $Log: common.h,v $
4 * Revision 2.0.1.2  88/06/22  20:44:53  lwall
5 * patch12: sprintf was declared wrong
6 *
7 * Revision 2.0.1.1  88/06/03  15:01:56  lwall
8 * patch10: support for shorter extensions.
9 *
10 * Revision 2.0  86/09/17  15:36:39  lwall
11 * Baseline for netwide release.
12 *
13 */
14
15#define DEBUGGING
16
17#define VOIDUSED 7
18#include "config.h"
19
20/* shut lint up about the following when return value ignored */
21
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 Strncpy (void)strncpy
38#define Strlcat (void)strlcat
39
40/* NeXT declares malloc and realloc incompatibly from us in some of
41   these files.  Temporarily redefine them to prevent errors.  */
42#define malloc system_malloc
43#define realloc system_realloc
44#include <stdio.h>
45#include <assert.h>
46#include <sys/types.h>
47#include <sys/stat.h>
48#include <ctype.h>
49#include <signal.h>
50#undef malloc
51#undef realloc
52
53/* constants */
54
55/* AIX predefines these.  */
56#ifdef TRUE
57#undef TRUE
58#endif
59#ifdef FALSE
60#undef FALSE
61#endif
62#define TRUE (1)
63#define FALSE (0)
64
65#define MAXHUNKSIZE 200000		/* is this enough lines? */
66#define INITHUNKMAX 125			/* initial dynamic allocation size */
67#define INITLINELEN 4096
68#define BUFFERSIZE 4096
69
70#define SCCSPREFIX "s."
71#define GET "get %s"
72#define GET_LOCKED "get -e %s"
73#define SCCSDIFF "get -p %s | diff - %s >/dev/null"
74
75#define RCSSUFFIX ",v"
76#define CHECKOUT "co %s"
77#define CHECKOUT_LOCKED "co -l %s"
78#define RCSDIFF "rcsdiff %s > /dev/null"
79
80/* handy definitions */
81
82#define Null(t) ((t)0)
83#define Nullch Null(char *)
84#define Nullfp Null(FILE *)
85#define Nulline Null(LINENUM)
86
87#define Ctl(ch) ((ch) & 037)
88
89#define strNE(s1,s2) (strcmp(s1, s2))
90#define strEQ(s1,s2) (!strcmp(s1, s2))
91#define strnNE(s1,s2,l) (strncmp(s1, s2, l))
92#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
93
94/* typedefs */
95
96typedef char bool;
97typedef long LINENUM;			/* must be signed */
98typedef unsigned MEM;			/* what to feed malloc */
99
100/* globals */
101
102EXT int Argc;				/* guess */
103EXT char **Argv;
104EXT int optind_last;			/* for restarting plan_b */
105
106EXT struct stat filestat;		/* file statistics area */
107EXT int filemode INIT(0644);
108
109EXT char *buf;				/* general purpose buffer */
110EXT size_t buf_size;			/* size of the general purpose buffer */
111EXT FILE *ofp INIT(Nullfp);		/* output file pointer */
112EXT FILE *rejfp INIT(Nullfp);		/* reject file pointer */
113
114EXT int myuid;				/* cache getuid return value */
115
116EXT bool using_plan_a INIT(TRUE);	/* try to keep everything in memory */
117EXT bool out_of_mem INIT(FALSE);	/* ran out of memory in plan a */
118
119#define MAXFILEC 2
120EXT int filec INIT(0);			/* how many file arguments? */
121EXT char *filearg[MAXFILEC];
122EXT bool ok_to_create_file INIT(FALSE);
123EXT char *bestguess INIT(Nullch);	/* guess at correct filename */
124
125EXT char *outname INIT(Nullch);
126EXT char rejname[128];
127
128EXT char *origprae INIT(Nullch);
129
130EXT char *TMPOUTNAME;
131EXT char *TMPINNAME;
132EXT char *TMPREJNAME;
133EXT char *TMPPATNAME;
134EXT bool toutkeep INIT(FALSE);
135EXT bool trejkeep INIT(FALSE);
136
137EXT LINENUM last_offset INIT(0);
138#ifdef DEBUGGING
139EXT int debug INIT(0);
140#endif
141EXT LINENUM maxfuzz INIT(2);
142EXT bool force INIT(FALSE);
143EXT bool batch INIT(FALSE);
144EXT bool verbose INIT(TRUE);
145EXT bool reverse INIT(FALSE);
146EXT bool noreverse INIT(FALSE);
147EXT bool skip_rest_of_patch INIT(FALSE);
148EXT int strippath INIT(957);
149EXT bool canonicalize INIT(FALSE);
150
151#define CONTEXT_DIFF 1
152#define NORMAL_DIFF 2
153#define ED_DIFF 3
154#define NEW_CONTEXT_DIFF 4
155#define UNI_DIFF 5
156EXT int diff_type INIT(0);
157
158EXT bool do_defines INIT(FALSE);	/* patch using ifdef, ifndef, etc. */
159EXT char if_defined[128];		/* #ifdef xyzzy */
160EXT char not_defined[128];		/* #ifndef xyzzy */
161EXT char else_defined[] INIT("#else\n");/* #else */
162EXT char end_defined[128];		/* #endif xyzzy */
163
164EXT char *revision INIT(Nullch);	/* prerequisite revision, if any */
165
166#include <errno.h>
167#ifdef STDC_HEADERS
168#include <stdlib.h>
169#include <string.h>
170#else
171extern int errno;
172FILE *popen();
173char *malloc();
174char *realloc();
175long atol();
176char *getenv();
177char *strcpy();
178char *strcat();
179#endif
180char *mktemp(char *);
181#ifdef HAVE_UNISTD_H
182#include <unistd.h>
183#else
184long lseek();
185#endif
186#if defined(_POSIX_VERSION) || defined(HAVE_FCNTL_H)
187#include <fcntl.h>
188#endif
189
190#if !defined(S_ISDIR) && defined(S_IFDIR)
191#define	S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
192#endif
193#if !defined(S_ISREG) && defined(S_IFREG)
194#define	S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
195#endif
196