Source:Dlb.h

Below is the full text to include/dlb.h from NetHack 3.4.3. To link to a particular line, write [[dlb.h#line123 ]], for example. 1.   /*	SCCS Id: @(#)dlb.h	3.4	1997/07/29	*/ 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.   /* implementations */ 12.  #ifdef MAC 13.  # define DLBRSRC	/* use Mac resources */ 14.  #else 15.  # define DLBLIB		/* use a set of external files */ 16.  #endif 17.   18.   #ifdef DLBLIB 19.  /* directory structure in memory */ 20.  typedef struct dlb_directory { 21.      char *fname;	/* file name as seen from calling code */ 22.      long foffset;	/* offset in lib file to start of this file */ 23.      long fsize;		/* file size */ 24.      char handling;	/* how to handle the file (compression, etc) */ 25.  } libdir; 26.   27.   /* information about each open library */ 28.  typedef struct dlb_library { 29.      FILE *fdata;	/* opened data file */ 30.      long fmark;		/* current file mark */ 31.      libdir *dir;	/* directory of library file */ 32.      char *sspace;	/* pointer to string space */ 33.      long nentries;	/* # of files in directory */ 34.      long rev;		/* dlb file revision */ 35.      long strsize;	/* dlb file string size */ 36.  } library; 37.   38.   /* library definitions */ 39.  # ifndef DLBFILE 40.  #  define DLBFILE	"nhdat"			/* name of library */ 41.  # endif 42.  # ifndef FILENAME_CMP 43.  #  define FILENAME_CMP	strcmp			/* case sensitive */ 44.  # endif 45.   46.   #endif /* DLBLIB */ 47.   48.    49.   typedef struct dlb_handle { 50.      FILE *fp;		/* pointer to an external file, use if non-null */ 51.  #ifdef DLBLIB 52.      library *lib;	/* pointer to library structure */ 53.      long start;		/* offset of start of file */ 54.      long size;		/* size of file */ 55.      long mark;		/* current file marker */ 56.  #endif 57.  #ifdef DLBRSRC 58.      int fd;		/* HandleFile file descriptor */ 59.  #endif 60.  } dlb; 61.   62.   #if defined(ULTRIX_PROTO) && !defined(__STDC__) 63.   /* buggy old Ultrix compiler wants this for the (*dlb_fread_proc) 64.      and (*dlb_fgets_proc) prototypes in struct dlb_procs (dlb.c); 65.      we'll use it in all the declarations for consistency */ 66.  #define DLB_P struct dlb_handle * 67.  #else 68.  #define DLB_P dlb * 69.  #endif 70.   71.   boolean NDECL(dlb_init); 72.  void NDECL(dlb_cleanup); 73.   74.   dlb *FDECL(dlb_fopen, (const char *,const char *)); 75.  int FDECL(dlb_fclose, (DLB_P)); 76.  int FDECL(dlb_fread, (char *,int,int,DLB_P)); 77.  int FDECL(dlb_fseek, (DLB_P,long,int)); 78.  char *FDECL(dlb_fgets, (char *,int,DLB_P)); 79.  int FDECL(dlb_fgetc, (DLB_P)); 80.  long FDECL(dlb_ftell, (DLB_P)); 81.   82.    83.   /* Resource DLB entry points */ 84.  #ifdef DLBRSRC 85.  	boolean rsrc_dlb_init(void); 86.  	void rsrc_dlb_cleanup(void); 87.  	boolean rsrc_dlb_fopen(dlb *dp, const char *name, const char *mode); 88.  	int rsrc_dlb_fclose(dlb *dp); 89.  	int rsrc_dlb_fread(char *buf, int size, int quan, dlb *dp); 90.  	int rsrc_dlb_fseek(dlb *dp, long pos, int whence); 91.  	char *rsrc_dlb_fgets(char *buf, int len, dlb *dp); 92.  	int rsrc_dlb_fgetc(dlb *dp); 93.  	long rsrc_dlb_ftell(dlb *dp); 94.  #endif 95.   96.    97.   #else /* DLB */ 98.   99.   # define dlb FILE 100.  101.  # define dlb_init 102. # define dlb_cleanup 103.  104.  # define dlb_fopen	fopen 105. # define dlb_fclose	fclose 106. # define dlb_fread	fread 107. # define dlb_fseek	fseek 108. # define dlb_fgets	fgets 109. # define dlb_fgetc	fgetc 110. # define dlb_ftell	ftell 111.  112.  #endif /* DLB */ 113.  114.   115.  /* various other I/O stuff we don't want to replicate everywhere */ 116.  117.  #ifndef SEEK_SET 118. # define SEEK_SET 0 119. #endif 120. #ifndef SEEK_CUR 121. # define SEEK_CUR 1 122. #endif 123. #ifndef SEEK_END 124. # define SEEK_END 2 125. #endif 126.  127.  #define RDTMODE "r" 128. #if (defined(MSDOS) || defined(WIN32) || defined(TOS) || defined(OS2)) && defined(DLB) 129. #define WRTMODE "w+b" 130. #else 131. #define WRTMODE "w+" 132. #endif 133. #if (defined(MICRO) && !defined(AMIGA)) || defined(THINK_C) || defined(__MWERKS__) || defined(WIN32) 134. # define RDBMODE "rb" 135. # define WRBMODE "w+b" 136. #else 137. # define RDBMODE "r" 138. # define WRBMODE "w+" 139. #endif 140.  141.  #endif	/* DLB_H */