legion/src/support/lsplitter.c

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: lsplitter.c
* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
*
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
*
* The above named program is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ========== Copyright Header End ============================================
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

        /* really dumb line splitting program */

int
main(int argc, char ** argv)
{
        FILE * infp, *outfp;
        char * matchp;
        int idx, ch;

        if (argc != 2) {
                fprintf(stderr,"usage: %s <splitstring>\n", argv[0]);
                exit(1);
        }

        matchp = argv[1];

        infp = stdin;
        outfp = stdout;

        idx = 0;

        while ( (ch=fgetc(infp))!=EOF) {
                if (matchp[idx] == ch) {
                        idx ++;
                        if (matchp[idx]=='\0') {
                                fputc('\n', outfp);
                                idx = 0;
                        }
                } else {
                        int q;
                        for (q=0; q<idx; q++)
                                fputc(matchp[q], outfp);
                        fputc(ch, outfp);
                        idx = 0;
                }
        }

        fclose(outfp);
        fclose(infp);
        return (0);
}