201 lines
5.4 KiB
C++
201 lines
5.4 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* $XConsortium: funcs.h /main/12 1996/09/13 20:48:55 cde-hal $
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*
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* Copyright (c) 1993 HAL Computer Systems International, Ltd.
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* All rights reserved. Unpublished -- rights reserved under
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* the Copyright Laws of the United States. USE OF A COPYRIGHT
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* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
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* OR DISCLOSURE.
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*
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* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
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* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
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* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
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* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
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* INTERNATIONAL, LTD.
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*
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* RESTRICTED RIGHTS LEGEND
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* Use, duplication, or disclosure by the Government is subject
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* to the restrictions as set forth in subparagraph (c)(l)(ii)
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* of the Rights in Technical Data and Computer Software clause
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* at DFARS 252.227-7013.
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*
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* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
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* 1315 Dell Avenue
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* Campbell, CA 95008
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*
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*/
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#ifndef _funcs_h
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#define _funcs_h 1
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#include <unistd.h>
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#include <time.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef C_API
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#include "utility/c_stream.h"
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#include "utility/c_fstream.h"
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#include "utility/c_stringstream.h"
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#else
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#include <assert.h>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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using namespace std;
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#endif
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#include <math.h>
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#ifdef __CENTERLINE__
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// centerline does not define these
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#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
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#define S_ISREG(m) (((m)&S_IFMT) == S_IFREG)
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#endif
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#include "utility/debug.h"
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#include "utility/types.h"
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#include "utility/const.h"
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#include "utility/macro.h"
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#include "utility/mmdb_exception.h"
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#ifdef _IBMR2
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/* no C++ version of <strings.h>, C version causes conflicts */
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extern "C" {
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extern int strcasecmp(const char *, const char *);
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extern int strncasecmp(const char *, const char *, size_t);
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}
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#endif
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#ifdef mips
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int gethostname(char* name, int namelen);
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#endif
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int compare_stream(ostringstream& x, ostringstream& y);
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char * cuserid(char *s);
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inline float flog2(unsigned int x) {
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return (float)(log((double)x) / log((double)2));
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}; // return log_2(x)
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inline float flog2(const float x) {
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return (float)log((double)x) / (float)log((float)2);
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};
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inline int pow2(const int x) {
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return (int)pow((double)2, (double)x);
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}; // x's power of 2
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inline int pow2(const float x) {
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return (int)pow((double)2, (double)x);
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}; // x's power of 2
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int pos_of_LSB(const unsigned int x); // position of the MSB
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int ceiling(const float); // ceiling of x
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unsigned getbits(unsigned, unsigned, unsigned);
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inline void char_swap(char& c1, char& c2) {
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char tmp = c1; c1 = c2; c2 = tmp;
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}; // switch two chars
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inline void short_swap(short& s1, short& s2) {
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short tmp = s1; s1 = s2; s2 = tmp;
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};// switch two shorts
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inline void int_swap(int& i1, int& i2) {
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int tmp = i1; i1 = i2; i2 = tmp;
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}; // switch two ints
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// file functions
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int del_file(const char* file_nm, const char* path_nm = 0);
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Boolean copy_file(const char* source, const char* sink);
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Boolean copy_file(const char* path, const char* filenm,
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const char* source_ext, const char* target_ext);
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Boolean exist_file(const char* name, const char* path = 0);
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Boolean cat_file(const char* source1, const char* source2,
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const char* target);
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int check_file(istream&, const char* msg = "");
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Boolean exist_dir(const char* path);
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Boolean check_and_create_dir(const char* path);
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int open_file_prot();
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int open_dir_prot();
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Boolean cc_is_digit(istream&); // "cc" stands for current char
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unsigned long disk_space(const char* path);
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char* access_info( char* request );
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Boolean int_eq(void*, void*);
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Boolean int_ls(void*, void*);
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// return an lease largest int of x, the returned value is
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// also a multiple of sizeof(void*)
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int ll4(int x);
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/*
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enum lock_t { SHARED, EXCLUSIVE };
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Boolean fcntl_lock( int fd, lock_t lt );
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Boolean fcntl_unlock( int fd );
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Boolean timed_lock( int fd, lock_t lt, int seconds = 5);
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Boolean timed_unlock( int fd, int seconds = 5);
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void onalarm(int);
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*/
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#ifdef C_API
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int bytes(int fd);
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int bytes(fstream&);
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#else
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int bytes(fstream*);
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#endif
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int bytes(char* file_name);
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char* form(const char* ...);
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// lsb is considered as the 0th bit
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void lsb_putbits(unsigned& target, unsigned position_from_lsb,
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unsigned bits, unsigned source);
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unsigned lsb_getbits(unsigned source, unsigned position_from_lsb, unsigned bits);
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Boolean writeToTmpFile(char* unique_nm, char* str, int size);
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#endif
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