Intial commit

prospero/lib/psrv/wais_gw/futil.h

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+/*****************************************************************************
+* 	        (c) Copyright 1992 Wide Area Information Servers, Inc        *
+*	   	  of California.   All rights reserved.   	             *
+*									     *
+*  This notice is intended as a precaution against inadvertent publication   *
+*  and does not constitute an admission or acknowledgement that publication  *
+*  has occurred or constitute a waiver of confidentiality.		     *
+*									     *
+*  Wide Area Information Server software is the proprietary and              *
+*  confidential property of Wide Area Information Servers, Inc.              *
+*****************************************************************************/
+
+/*-------------------------------------------------------------------------- */
+
+#ifndef futil_h
+#define futil_h
+
+#include "cdialect.h"
+#include "cutil.h"
+
+/*-------------------------------------------------------------------------- */
+
+/* the maximum length of any filename in the system */
+#define MAX_FILENAME_LEN (255L)
+
+/* arguments for fseek, which aren't defined on all systems */
+#ifndef SEEK_SET 
+#define SEEK_SET (0L)  
+#define SEEK_CUR (1L)  
+#define SEEK_END (2L)  
+#endif /* ndef SEEK_SET */
+
+/* allow NeXT's to check if the file's mode indicates it's a directory */
+#if (defined(NeXT) && !(defined(S_ISDIR)))
+#define S_ISDIR(f_mode) ((f_mode) & S_IFDIR)
+#endif
+
+/*-------------------------------------------------------------------------- */
+
+/* the following functions are "safe" versions of the standard fileio
+   utilities.  They should be called through the macros rather than
+   actually calling the functions themselves 
+ */
+/* Replaced by locked_{fopen,fclose} */
+#if 0
+#define safeFOpen(name,mode)	       doSafeFOpen((name),(mode))
+#define safeFClose(file)	       { doSafeFClose((FILE*)(file)); \
+					 (file) = NULL;}
+#endif
+#define safeFSeek(file,offset,whereFrom)                              \
+                                       doSafeFSeek((file),(offset),(whereFrom))
+#define safeFTell(file)	               doSafeFTell((file))
+#define safeRename(path1,path2)	       doSafeRename((path1),(path2))
+#if 0
+FILE*	doSafeFOpen(char* fileName,char* mode);
+long	doSafeFClose(FILE* file);
+#endif
+long 	doSafeFSeek(FILE* file,long offset,long wherefrom);
+long 	doSafeFTell(FILE* file);
+
+
+/* these functions read and write arbitrary numbers of bytes in 
+   an architecture independent fashion
+ */
+long writeBytes(long value,long numBytes,FILE* stream);
+long readBytes(long numBytes,FILE *stream);
+long readBytesFromMemory(long numBytes,unsigned char* block);
+
+
+/* these routines help manage unix style path names */
+char *truename(char *filename,char *full_path);
+char *pathnameName(char *pathname);
+char *pathnameDirectory(char *pathname,char *destination);
+char *mergePathnames(char *pathname,char *directory);
+
+
+/* set and get characteristics of a file or directory*/
+boolean directoryP(char* f);
+boolean fileP(char* f);
+boolean probeFile(char *filename);
+boolean probeFilePossiblyCompressed(char *filename);
+boolean touchFile(char *filename);
+long fileLength(FILE* stream);
+void getFileDates(char* filename,time_t* createDate,time_t* modDate);
+
+
+/* miscellanious routines */
+char *currentUserName(void);
+boolean readStringFromFile(FILE* stream,char* array,long array_length);
+#if 0
+FILE* openTempFile(char* dir,char* root,char* fullName,char* mode);
+#endif
+void growFile(FILE* file,long len);
+
+/*-------------------------------------------------------------------------- */
+
+#endif /* ndef futil_h */