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Source:NetHack 3.2.0/dlb.h

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Below is the full text to dlb.h from the source code of NetHack 3.2.0. To link to a particular line, write [[NetHack 3.2.0/dlb.h#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

The NetHack General Public License applies to screenshots, source code and other content from NetHack.
1.    /*	SCCS Id: @(#)dlb.h	3.2	94/12/30	*/
2.    /* Copyright (c) Kenneth Lorber, Bethesda, Maryland, 1993. */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    
5.    #ifndef DLB_H
6.    #define DLB_H
7.    /* definitions for data library */
8.    
9.    #ifdef DLB
10.   
11.   /* directory structure in memory */
12.   typedef struct {
13.       char *fname;	/* file name as seen from calling code */
14.       long foffset;	/* offset in lib file to start of this file */
15.       long fsize;		/* file size */
16.       char handling;	/* how to handle the file (compression, etc) */
17.   } libdir;
18.   
19.   /* information about each open library */
20.   typedef struct {
21.       FILE *fdata;	/* opened data file */
22.       long fmark;		/* current file mark */
23.       libdir *dir;	/* directory of library file */
24.       char *sspace;	/* pointer to string space */
25.       long nentries;	/* # of files in directory */
26.       long rev;		/* dlb file revision */
27.       long strsize;	/* dlb file string size */
28.   } library;
29.   
30.   typedef struct {
31.       FILE *fp;		/* pointer to an external file, use if non-null */
32.       library *lib;	/* pointer to library structure */
33.       long start;		/* offset of start of file */
34.       long size;		/* size of file */
35.       long mark;		/* current file marker */
36.   } dlb;
37.   
38.   boolean NDECL(dlb_init);
39.   void NDECL(dlb_cleanup);
40.   
41.   dlb *FDECL(dlb_fopen,(const char *, const char *));
42.   int FDECL(dlb_fclose,(dlb *));
43.   int FDECL(dlb_fread,(char *, int, int, dlb *));
44.   int FDECL(dlb_fseek,(dlb *, long, int));
45.   char *FDECL(dlb_fgets,(char *, int, dlb *));
46.   int FDECL(dlb_fgetc,(dlb *));
47.   long FDECL(dlb_ftell,(dlb *));
48.   
49.   /* data librarian definitions */
50.   # ifndef DLBFILE
51.   #  define DLBFILE	"nhdat"			/* name of library */
52.   # endif
53.   # ifndef FILENAME_CMP
54.   #  define FILENAME_CMP	strcmp			/* case sensitive */
55.   # endif
56.   
57.   #else /* DLB */
58.   
59.   # define dlb FILE
60.   
61.   # define dlb_init()
62.   # define dlb_cleanup()
63.   
64.   # define dlb_fopen	fopen
65.   # define dlb_fclose	fclose
66.   # define dlb_fread	fread
67.   # define dlb_fseek	fseek
68.   # define dlb_fgets	fgets
69.   # define dlb_fgetc	fgetc
70.   # define dlb_ftell	ftell
71.   
72.   #endif /* DLB */
73.   
74.   
75.   /* various other I/O stuff we don't want to replicate everywhere */
76.   
77.   #ifndef SEEK_SET
78.   # define SEEK_SET 0
79.   #endif
80.   #ifndef SEEK_CUR
81.   # define SEEK_CUR 1
82.   #endif
83.   #ifndef SEEK_END
84.   # define SEEK_END 2
85.   #endif
86.   
87.   #define RDTMODE "r"
88.   #if (defined(MSDOS) || defined(WIN32)) && defined(DLB)
89.   #define WRTMODE "w+b"
90.   #else
91.   #define WRTMODE "w+"
92.   #endif
93.   #if (defined(MICRO) && !defined(AMIGA)) || defined(THINK_C) || defined(__MWERKS__)
94.   # define RDBMODE "rb"
95.   # define WRBMODE "w+b"
96.   #else
97.   # define RDBMODE "r"
98.   # define WRBMODE "w+"
99.   #endif
100.  
101.  #endif	/* DLB_H */

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