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

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This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.

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 */