common.h revision 191910 
1/* $FreeBSD: head/gnu/usr.bin/patch/common.h 191910 2009-05-08 02:18:46Z sepotvin $
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 Strlcat (void)strlcat
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 200000		/* is this enough lines? */
65#define INITHUNKMAX 125			/* initial dynamic allocation size */
66#define INITLINELEN 4096
67#define BUFFERSIZE 4096
68
69#define SCCSPREFIX "s."
70#define GET "get %s"
71#define GET_LOCKED "get -e %s"
72#define SCCSDIFF "get -p %s | diff - %s >/dev/null"
73
74#define RCSSUFFIX ",v"
75#define CHECKOUT "co %s"
76#define CHECKOUT_LOCKED "co -l %s"
77#define RCSDIFF "rcsdiff %s > /dev/null"
78
79/* handy definitions */
80
81#define Null(t) ((t)0)
82#define Nullch Null(char *)
83#define Nullfp Null(FILE *)
84#define Nulline Null(LINENUM)
85
86#define Ctl(ch) ((ch) & 037)
87
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))
92
93/* typedefs */
94
95typedef char bool;
96typedef long LINENUM;			/* must be signed */
97typedef unsigned MEM;			/* what to feed malloc */
98
99/* globals */
100
101EXT int Argc;				/* guess */
102EXT char **Argv;
103EXT int optind_last;			/* for restarting plan_b */
104
105EXT struct stat filestat;		/* file statistics area */
106EXT int filemode INIT(0644);
107
108EXT char *buf;				/* general purpose buffer */
109EXT size_t buf_size;			/* size of the general purpose buffer */
110EXT FILE *ofp INIT(Nullfp);		/* output file pointer */
111EXT FILE *rejfp INIT(Nullfp);		/* reject file pointer */
112
113EXT int myuid;				/* cache getuid return value */
114
115EXT bool using_plan_a INIT(TRUE);	/* try to keep everything in memory */
116EXT bool out_of_mem INIT(FALSE);	/* ran out of memory in plan a */
117
118#define MAXFILEC 2
119EXT int filec INIT(0);			/* how many file arguments? */
120EXT char *filearg[MAXFILEC];
121EXT bool ok_to_create_file INIT(FALSE);
122EXT char *bestguess INIT(Nullch);	/* guess at correct filename */
123
124EXT char *outname INIT(Nullch);
125EXT char rejname[128];
126
127EXT char *origprae INIT(Nullch);
128
129EXT char *TMPOUTNAME;
130EXT char *TMPINNAME;
131EXT char *TMPREJNAME;
132EXT char *TMPPATNAME;
133EXT bool toutkeep INIT(FALSE);
134EXT bool trejkeep INIT(FALSE);
135
136EXT LINENUM last_offset INIT(0);
137#ifdef DEBUGGING
138EXT int debug INIT(0);
139#endif
140EXT LINENUM maxfuzz INIT(2);
141EXT bool force INIT(FALSE);
142EXT bool batch INIT(FALSE);
143EXT bool verbose INIT(TRUE);
144EXT bool reverse INIT(FALSE);
145EXT bool noreverse INIT(FALSE);
146EXT bool skip_rest_of_patch INIT(FALSE);
147EXT int strippath INIT(957);
148EXT bool canonicalize INIT(FALSE);
149
150#define CONTEXT_DIFF 1
151#define NORMAL_DIFF 2
152#define ED_DIFF 3
153#define NEW_CONTEXT_DIFF 4
154#define UNI_DIFF 5
155EXT int diff_type INIT(0);
156
157EXT bool do_defines INIT(FALSE);	/* patch using ifdef, ifndef, etc. */
158EXT char if_defined[128];		/* #ifdef xyzzy */
159EXT char not_defined[128];		/* #ifndef xyzzy */
160EXT char else_defined[] INIT("#else\n");/* #else */
161EXT char end_defined[128];		/* #endif xyzzy */
162
163EXT char *revision INIT(Nullch);	/* prerequisite revision, if any */
164
165#include <errno.h>
166#ifdef STDC_HEADERS
167#include <stdlib.h>
168#include <string.h>
169#else
170extern int errno;
171FILE *popen();
172char *malloc();
173char *realloc();
174long atol();
175char *getenv();
176char *strcpy();
177char *strcat();
178#endif
179char *mktemp(char *);
180#ifdef HAVE_UNISTD_H
181#include <unistd.h>
182#else
183long lseek();
184#endif
185#if defined(_POSIX_VERSION) || defined(HAVE_FCNTL_H)
186#include <fcntl.h>
187#endif
188
189#if !defined(S_ISDIR) && defined(S_IFDIR)
190#define	S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
191#endif
192#if !defined(S_ISREG) && defined(S_IFREG)
193#define	S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
194#endif
195