2012-04-04 07:30:07 +04:00
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/******************************************************************************
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Copyright (c) 1999 Daniel Stenberg
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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/******************************************************************************
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* FREXXWARE
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* ----------------------------------------------------------------------------
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*
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* Project: Frexx C Preprocessor
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* $Source: /home/user/start/cpp/RCS/usecpp.c,v $
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* $Revision: 1.6 $
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* $Date: 1994/06/02 09:11:01 $
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* $Author: start $
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* $State: Exp $
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* $Locker: start $
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*
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* ----------------------------------------------------------------------------
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* $Log: usecpp.c,v $
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* Revision 1.6 1994/06/02 09:11:01 start
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* Added the '-n' option!
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*
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* Revision 1.5 1994/06/02 08:51:49 start
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* Added three more command line parameters
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* Made -h invokes exit nice
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*
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* Revision 1.4 1994/01/24 09:37:17 start
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* Major difference.
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*
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* Revision 1.3 1993/12/06 13:51:20 start
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* A lot of new stuff (too much to mention)
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*
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* Revision 1.2 1993/11/11 07:16:39 start
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* New stuff
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*
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* Revision 1.1 1993/11/03 09:13:08 start
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* Initial revision
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*
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*
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*****************************************************************************/
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/**********************************************************************
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*
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* usecpp.c
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*
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* This is a routine that is should be used to call functions in the
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* fpp.library. We supply the own_input() and own_output() functions to
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* the preprocessor to remain flexible.
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*/
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#include <stdlib.h>
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#ifdef AMIGA
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#include <proto/exec.h>
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#include <exec/types.h>
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#if defined(SHARED)
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#include <exec/libraries.h>
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#include <libraries/dos.h>
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#include "fpp_pragmas.h"
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#include "fpp_protos.h"
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#include "FPPBase.h"
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struct Library *FPPBase=NULL;
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#define PREFIX __saveds
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#define REG(x) register __ ## x
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#else
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#define PREFIX
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#define REG(x)
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#endif
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#elif defined(UNIX)
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#if defined(OS9)
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#include <types.h>
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#else
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#include <sys/types.h>
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#ifdef BSD
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#include <sys/unistd.h> /* for BSD systems (SUN OS at least) */
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#endif
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#endif
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#define PREFIX
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#define REG(x)
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#ifndef OS9
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#include <stdarg.h>
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#else
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#define va_list void *
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#endif
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#include "fpp.h"
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#define MAX_TAGS 40 /* maximum number of tags allowed! */
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#define FILE_LOCAL static
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#define CPP_PREFS_FILE "cpp.prefs"
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#ifdef AMIGA
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#define DEFAULT_CPP_PREFS_FILE "s:cpp.prefs"
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#else
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#define DEFAULT_CPP_PREFS_FILE "$HOME/cpp.prefs"
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#endif
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FILE_LOCAL char PREFIX *own_input(char *, int, void *);
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FILE_LOCAL void PREFIX own_output(int, void *);
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FILE_LOCAL void PREFIX own_error(void *, char *, va_list);
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FILE_LOCAL int SetOptions(int, char **, struct fppTag **);
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FILE_LOCAL char GetPrefs(struct fppTag **, char **);
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FILE_LOCAL char DoString(struct fppTag **, char *);
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#ifdef AMIGA
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extern long __stack=8000;
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#endif
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2018-04-25 06:07:38 +03:00
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FILE_LOCAL char ignore=FPP_FALSE; /* if we should ignore strange flags! */
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FILE_LOCAL char display=FPP_FALSE; /* display all options in use! */
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2012-04-04 07:30:07 +04:00
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FILE_LOCAL char dontreadprefs; /* set if only the command line is valid */
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int main(int argc, char **argv)
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{
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struct fppTag tags[MAX_TAGS];
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int i;
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struct fppTag *tagptr = tags;
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char *dealloc;
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/*
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* Append system-specific directories to the include directory list.
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* The include directories will be searched through in the same order
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* as you add them in the taglist!
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* The directory _must_ end with a proper directory speparator!
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*/
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tagptr->tag=FPPTAG_INCLUDE_DIR;
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#if defined (AMIGA)
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tagptr->data = "INCLUDE:";
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#elif defined (OS9)
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tagptr->data = "/dd/defs/";
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#else
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tagptr->data = "/usr/include/";
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#endif
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tagptr++;
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if(GetPrefs(&tagptr, &dealloc))
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return(0);
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if( !(i = SetOptions(argc, argv, &tagptr)))
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return(0);
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if (argc - i >2) {
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printf("Too many file arguments. Usage: cpp [options] [input [output]]\n");
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return(-1);
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}
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tagptr->tag=FPPTAG_INPUT;
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tagptr->data=(void *)own_input;
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tagptr++;
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if(i<argc) {
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/*
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* Open input file, "-" means use stdin.
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*/
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if (strcmp(argv[i], "-")) {
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if (freopen(argv[i], "r", stdin) == NULL) {
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perror(argv[i]);
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fprintf(stderr, "Can't open input file \"%s\"", argv[i]);
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return(-2);
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}
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tagptr->tag=FPPTAG_INPUT_NAME;
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tagptr->data=argv[i];
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tagptr++;
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if(display)
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fprintf(stderr, "cpp: input: %s\n", argv[i]);
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} else /* Else, just get stdin */
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if(display)
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fprintf(stderr, "cpp: input: [stdin]\n");
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i++;
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} else
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if(display)
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fprintf(stderr, "cpp: input: [stdin]\n");
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if(i<argc) {
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/*
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* Get output file, "-" means use stdout.
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*/
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if (strcmp(argv[i], "-")) {
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if (freopen(argv[i], "w", stdout) == NULL) {
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perror(argv[i]);
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fprintf(stderr, "Can't open output file \"%s\"", argv[i]);
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return(-1);
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}
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if(display)
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fprintf(stderr, "cpp: output: %s\n", argv[i]);
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} else
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if(display)
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fprintf(stderr, "cpp: output: [stdout]\n");
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} else
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if(display)
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fprintf(stderr, "cpp: output: [stdout]\n");
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tagptr->tag=FPPTAG_OUTPUT;
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tagptr->data=(void *)own_output;
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tagptr++;
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tagptr->tag=FPPTAG_ERROR;
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tagptr->data=(void *)own_error;
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tagptr++;
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/* The LAST tag: */
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tagptr->tag=FPPTAG_END;
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tagptr->data=0;
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tagptr++;
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#if defined(SHARED) && defined(AMIGA)
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if(!(FPPBase=OpenLibrary(FPPNAME, 1))) {
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printf("Error opening %s!\n", FPPNAME);
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return(-1);
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}
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#endif
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fppPreProcess(tags);
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#if defined(SHARED) && defined(AMIGA)
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CloseLibrary((struct Library *)FPPBase);
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#endif
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/*
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* Preprocess ready!
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*/
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if( dealloc )
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free( dealloc );
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return(0);
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}
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FILE_LOCAL
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char PREFIX *own_input(char *buffer, int size, void *userdata)
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{
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return(fgets(buffer, size, stdin));
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}
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FILE_LOCAL
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void PREFIX own_output(int c, void *userdata)
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{
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putchar(c);
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}
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FILE_LOCAL
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void PREFIX own_error(void *userdata, char *format, va_list arg)
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{
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vfprintf(stderr, format, arg);
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}
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FILE_LOCAL
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char GetPrefs(struct fppTag **tagptr, char **string)
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{
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FILE *PrefsFile_PF;
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unsigned Length_U;
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char *PrefsBuffer_PC;
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char ret= 0;
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char *environ;
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*string = NULL;
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/* Open prefs file for read */
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if ( (PrefsFile_PF = fopen(CPP_PREFS_FILE, "r")) ||
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(PrefsFile_PF = fopen(DEFAULT_CPP_PREFS_FILE, "r"))) {
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fseek(PrefsFile_PF, 0 , SEEK_END);
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Length_U = ftell(PrefsFile_PF);
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fseek(PrefsFile_PF, 0, SEEK_SET);
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if (*string = (char *)malloc(Length_U+1)) {
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fread(*string, 1, Length_U, PrefsFile_PF);
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(*string)[Length_U] = '\0';
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ret = !DoString(tagptr, *string);
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}
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fclose(PrefsFile_PF);
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if(ret) {
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free( *string );
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return ret;
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}
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}
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if(environ = getenv("CPP_PREFS")) {
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ret= !DoString(tagptr, environ);
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if(ret && *string)
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free( *string );
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}
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return ret;
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}
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FILE_LOCAL
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char DoString(struct fppTag **tagptr, char *string)
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{
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char *argv[MAX_TAGS];
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int argc=1;
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do {
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while(*string && *string != '-')
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string++;
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if(!*string)
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break;
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argv[argc]=string;
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do {
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string++;
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if(*string=='\"') {
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do
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string++;
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while(*string != '\"');
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string++;
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}
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} while(*string && *string!=' ' && *string != '\n' && *string != '\t');
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argc++;
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if(*string) {
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*string='\0';
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string++;
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} else
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break;
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} while(1);
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return (SetOptions(argc, argv, tagptr));
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}
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FILE_LOCAL
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int SetOptions(int argc, char **argv, struct fppTag **tagptr)
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{
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int i;
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char *ap;
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for (i = 1; i < argc; i++) {
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ap = argv[i];
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if (*ap++ != '-' || *ap == '\0')
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break;
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else {
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char c = *ap++;
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if(display)
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fprintf(stderr, "cpp: option: %s\n", ap-2);
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switch (c) { /* Command character */
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case 'Q': /* ignore unknown flags but */
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ignore=1; /* output them on stderr */
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break;
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case 'q': /* ignore unknown flags */
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ignore=2;
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break;
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case 'H': /* display all whitespaces */
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(*tagptr)->tag = FPPTAG_OUTPUTSPACE;
|
2018-04-25 06:07:38 +03:00
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(*tagptr)->data= (void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
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(*tagptr)++;
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break;
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case 'b': /* display unbalance */
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(*tagptr)->tag = FPPTAG_OUTPUTBALANCE;
|
2018-04-25 06:07:38 +03:00
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(*tagptr)->data= (void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
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(*tagptr)++;
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break;
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case 'f': /* output all defined functions! */
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(*tagptr)->tag = FPPTAG_DISPLAYFUNCTIONS;
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2018-04-25 06:07:38 +03:00
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(*tagptr)->data= (void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
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(*tagptr)++;
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break;
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case 'F': /* output all included files! */
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(*tagptr)->tag = FPPTAG_OUTPUTINCLUDES;
|
2018-04-25 06:07:38 +03:00
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(*tagptr)->data= (void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'V': /* do not output version */
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->tag = FPPTAG_SHOWVERSION;
|
|
|
|
(*tagptr)->data= (void *)FPP_FALSE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'C': /* Keep comments */
|
|
|
|
(*tagptr)->tag = FPPTAG_KEEPCOMMENTS;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data= (void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'D': /* Define symbol */
|
|
|
|
(*tagptr)->tag=FPPTAG_DEFINE;
|
|
|
|
(*tagptr)->data=argv[i]+2;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'd': /* Display all options */
|
|
|
|
fprintf(stderr, "FOUND -d flag!\n");
|
2018-04-25 06:07:38 +03:00
|
|
|
display = FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
break;
|
|
|
|
|
|
|
|
case 'E': /* Ignore non-fatal errors */
|
|
|
|
(*tagptr)->tag=FPPTAG_IGNORE_NONFATAL;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'I': /* Include directory */
|
|
|
|
(*tagptr)->tag=FPPTAG_INCLUDE_DIR;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'J': /* Allow nested comments */
|
|
|
|
(*tagptr)->tag=FPPTAG_NESTED_COMMENTS;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'j': /* Warn at nested comments */
|
|
|
|
(*tagptr)->tag=FPPTAG_WARN_NESTED_COMMENTS;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'L':
|
|
|
|
if(*ap == 'L') { /* Do not output #line */
|
|
|
|
(*tagptr)->tag=FPPTAG_LINE;
|
|
|
|
} else {
|
|
|
|
/* Do not output the 'line' keyword */
|
|
|
|
(*tagptr)->tag=FPPTAG_OUTPUTLINE;
|
|
|
|
}
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_FALSE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'M': /* Do not warn at missing includes */
|
|
|
|
(*tagptr)->tag=FPPTAG_WARNMISSINCLUDE;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_FALSE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'n':
|
|
|
|
dontreadprefs^=1; /* toggle prefsreading, default is read prefs */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This flag should reset all previously added tags!
|
|
|
|
*/
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'N': /* No machine specific built-ins */
|
|
|
|
(*tagptr)->tag=FPPTAG_BUILTINS;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_FALSE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'B': /* No predefines like __LINE__, etc. */
|
|
|
|
(*tagptr)->tag=FPPTAG_PREDEFINES;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_FALSE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'P': /* No C++ comments */
|
|
|
|
(*tagptr)->tag=FPPTAG_IGNORE_CPLUSPLUS;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'p': /* warn about illegal # - instructions */
|
|
|
|
(*tagptr)->tag = FPPTAG_WARNILLEGALCPP;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data= (void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'R':
|
|
|
|
(*tagptr)->tag = FPPTAG_RIGHTCONCAT;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data= (void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 's': /* sizeof table */
|
|
|
|
(*tagptr)->tag=FPPTAG_INITFUNC;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 't': /* excluded functions */
|
|
|
|
(*tagptr)->tag=FPPTAG_EXCLFUNC;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'S': /* sizeof table */
|
|
|
|
(*tagptr)->tag=FPPTAG_SIZEOF_TABLE;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'U': /* Undefine symbol */
|
|
|
|
(*tagptr)->tag=FPPTAG_UNDEFINE;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'w': /* Output all #defines but not the
|
|
|
|
main file */
|
|
|
|
(*tagptr)->tag=FPPTAG_OUTPUTMAIN;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_FALSE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
|
|
|
|
case 'W': /* Output all #defines */
|
|
|
|
if(!strncmp(ap, "WW", 2)) {
|
|
|
|
(*tagptr)->tag=FPPTAG_WEBMODE;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
(*tagptr)->tag=FPPTAG_OUTPUT_DEFINES;
|
2018-04-25 06:07:38 +03:00
|
|
|
(*tagptr)->data=(void *)FPP_TRUE;
|
2012-04-04 07:30:07 +04:00
|
|
|
(*tagptr)++;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'X':
|
|
|
|
(*tagptr)->tag=FPPTAG_INCLUDE_FILE;
|
|
|
|
(*tagptr)->data=ap;
|
|
|
|
(*tagptr)++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
/*
|
|
|
|
case 'x':
|
|
|
|
tags[tag]->tag=FPPTAG_INCLUDE_MACRO_FILE;
|
|
|
|
tags[tag++]->data=ap;
|
|
|
|
break;
|
|
|
|
*/
|
|
|
|
case 'h':
|
|
|
|
case '?': /* if a question mark is possible to specify! */
|
|
|
|
default: /* What is this one? */
|
|
|
|
if( ignore < 2 && c != 'h') {
|
|
|
|
fprintf(stderr, "cpp: unknown option: -%s\n", ap-1);
|
|
|
|
}
|
|
|
|
if(!ignore || c == 'h') {
|
|
|
|
fprintf(stderr,
|
|
|
|
"Usage: cpp [options] [infile [outfile] ]\n\n"
|
|
|
|
"The following options are valid:\n"
|
|
|
|
" -B\tNo mahcine specific built-in symbols\n"
|
|
|
|
" -b\tOutput any parentheses, brace or bracket unbalance\n"
|
|
|
|
" -C\tWrite source file comments to output\n"
|
|
|
|
" -D\tDefine a symbol with the given (optional) value \"symbol[=value]\"\n"
|
|
|
|
" -d\tDisplay all specified options\n"
|
|
|
|
" -E\tIgnore non-fatal errors\n"
|
|
|
|
" -F\tOutput all included file names on stderr\n"
|
|
|
|
" -f\tOutput all defined functions' names on stderr\n"
|
|
|
|
" -H\tOutput all whitespaces from the source file\n"
|
|
|
|
" -h\tOutput this help text\n"
|
|
|
|
" -I\tAdd directory to the #include search list\n"
|
|
|
|
" -J\tAllow nested comments\n"
|
|
|
|
" -j\tEnable warnings for nested comments\n"
|
|
|
|
" -LL\tDon't output #line instructions\n"
|
|
|
|
" -L\tDon't output the 'line' keyword in \"#line\" instructions\n"
|
|
|
|
" -M\tDon't warn for missing include files\n"
|
|
|
|
" -N\tDon't predefine target-specific names\n"
|
|
|
|
" -n\tToggle prefs usage\n"
|
|
|
|
" -P\tDon't recognize C++ comment style\n"
|
|
|
|
" -p\tEnable warnings on non ANSI preprocessor instructions\n"
|
|
|
|
" -Q\tIgnore but visualize undefined flags\n"
|
|
|
|
" -q\tIgnore all undefined flags\n"
|
|
|
|
" -R\tEvaluate the right part first in symbol concatenations\n"
|
|
|
|
" -s\tInclude the following string at the top of each function\n"
|
|
|
|
" -S\tSpecify sizes for #if sizeof\n"
|
|
|
|
" -t\tThis function should not get an initial function\n"
|
|
|
|
" -U\tUndefine symbol\n"
|
|
|
|
" -V\tDon't output version information\n"
|
|
|
|
" -W\tOutput all #defines\n"
|
|
|
|
" -WWW\tWeb mode preprocessing\n"
|
|
|
|
" -w\tOnly output #defines\n"
|
|
|
|
" -X\tInclude file\n");
|
|
|
|
return(0);
|
|
|
|
} /* if (!ignore) */
|
|
|
|
} /* Switch on all options */
|
|
|
|
} /* If it's a -option */
|
|
|
|
} /* For all arguments */
|
|
|
|
|
|
|
|
return i;
|
|
|
|
|
|
|
|
} /* end of function */
|