common.h revision 95601 
1/* $FreeBSD: head/gnu/usr.bin/patch/common.h 95601 2002-04-28 01:33:45Z gad $
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 Mktemp (void)mktemp
33#define Strcpy (void)strcpy
34#define Strcat (void)strcat
35
36/* NeXT declares malloc and realloc incompatibly from us in some of
37   these files.  Temporarily redefine them to prevent errors.  */
38#define malloc system_malloc
39#define realloc system_realloc
40#include <stdio.h>
41#include <assert.h>
42#include <sys/types.h>
43#include <sys/stat.h>
44#include <ctype.h>
45#include <signal.h>
46#undef malloc
47#undef realloc
48
49/* constants */
50
51/* AIX predefines these.  */
52#ifdef TRUE
53#undef TRUE
54#endif
55#ifdef FALSE
56#undef FALSE
57#endif
58#define TRUE (1)
59#define FALSE (0)
60
61#define MAXHUNKSIZE 200000		/* is this enough lines? */
62#define INITHUNKMAX 125			/* initial dynamic allocation size */
63#define MAXLINELEN 4096
64#define BUFFERSIZE 4096
65
66#define SCCSPREFIX "s."
67#define GET "get %s"
68#define GET_LOCKED "get -e %s"
69#define SCCSDIFF "get -p %s | diff - %s >/dev/null"
70
71#define RCSSUFFIX ",v"
72#define CHECKOUT "co %s"
73#define CHECKOUT_LOCKED "co -l %s"
74#define RCSDIFF "rcsdiff %s > /dev/null"
75
76/* handy definitions */
77
78#define Null(t) ((t)0)
79#define Nullch Null(char *)
80#define Nullfp Null(FILE *)
81#define Nulline Null(LINENUM)
82
83#define Ctl(ch) ((ch) & 037)
84
85#define strNE(s1,s2) (strcmp(s1, s2))
86#define strEQ(s1,s2) (!strcmp(s1, s2))
87#define strnNE(s1,s2,l) (strncmp(s1, s2, l))
88#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
89
90/* typedefs */
91
92typedef char bool;
93typedef long LINENUM;			/* must be signed */
94typedef unsigned MEM;			/* what to feed malloc */
95
96/* globals */
97
98EXT int Argc;				/* guess */
99EXT char **Argv;
100EXT int optind_last;			/* for restarting plan_b */
101
102EXT struct stat filestat;		/* file statistics area */
103EXT int filemode INIT(0644);
104
105EXT char buf[MAXLINELEN];		/* general purpose buffer */
106EXT FILE *ofp INIT(Nullfp);		/* output file pointer */
107EXT FILE *rejfp INIT(Nullfp);		/* reject file pointer */
108
109EXT int myuid;				/* cache getuid return value */
110
111EXT bool using_plan_a INIT(TRUE);	/* try to keep everything in memory */
112EXT bool out_of_mem INIT(FALSE);	/* ran out of memory in plan a */
113
114#define MAXFILEC 2
115EXT int filec INIT(0);			/* how many file arguments? */
116EXT char *filearg[MAXFILEC];
117EXT bool ok_to_create_file INIT(FALSE);
118EXT char *bestguess INIT(Nullch);	/* guess at correct filename */
119
120EXT char *outname INIT(Nullch);
121EXT char rejname[128];
122
123EXT char *origprae INIT(Nullch);
124
125EXT char *TMPOUTNAME;
126EXT char *TMPINNAME;
127EXT char *TMPREJNAME;
128EXT char *TMPPATNAME;
129EXT bool toutkeep INIT(FALSE);
130EXT bool trejkeep INIT(FALSE);
131
132EXT LINENUM last_offset INIT(0);
133#ifdef DEBUGGING
134EXT int debug INIT(0);
135#endif
136EXT LINENUM maxfuzz INIT(2);
137EXT bool force INIT(FALSE);
138EXT bool batch INIT(FALSE);
139EXT bool verbose INIT(TRUE);
140EXT bool reverse INIT(FALSE);
141EXT bool noreverse INIT(FALSE);
142EXT bool skip_rest_of_patch INIT(FALSE);
143EXT int strippath INIT(957);
144EXT bool canonicalize INIT(FALSE);
145
146#define CONTEXT_DIFF 1
147#define NORMAL_DIFF 2
148#define ED_DIFF 3
149#define NEW_CONTEXT_DIFF 4
150#define UNI_DIFF 5
151EXT int diff_type INIT(0);
152
153EXT bool do_defines INIT(FALSE);	/* patch using ifdef, ifndef, etc. */
154EXT char if_defined[128];		/* #ifdef xyzzy */
155EXT char not_defined[128];		/* #ifndef xyzzy */
156EXT char else_defined[] INIT("#else\n");/* #else */
157EXT char end_defined[128];		/* #endif xyzzy */
158
159EXT char *revision INIT(Nullch);	/* prerequisite revision, if any */
160
161#include <errno.h>
162#ifdef STDC_HEADERS
163#include <stdlib.h>
164#include <string.h>
165#else
166extern int errno;
167FILE *popen();
168char *malloc();
169char *realloc();
170long atol();
171char *getenv();
172char *strcpy();
173char *strcat();
174#endif
175char *mktemp(char *);
176#ifdef HAVE_UNISTD_H
177#include <unistd.h>
178#else
179long lseek();
180#endif
181#if defined(_POSIX_VERSION) || defined(HAVE_FCNTL_H)
182#include <fcntl.h>
183#endif
184
185#if !defined(S_ISDIR) && defined(S_IFDIR)
186#define	S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
187#endif
188#if !defined(S_ISREG) && defined(S_IFREG)
189#define	S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
190#endif
191