21625f40b5
I tried to get the latest versions from dockapps.org, but I haven't tested any of them. More dockapps will be added as time permits.
63 lines
2 KiB
C
63 lines
2 KiB
C
#include "config.h"
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/* Copyright (C) 2002 Brad Jorsch <anomie@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include "wmweather+.h"
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int diff(char *file1, char *file2){
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FILE *fp1, *fp2;
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size_t len1, len2;
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struct stat statbuf;
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int ret;
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int len=BIGBUF_LEN/2;
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char *s1=(char *)bigbuf, *s2=(char *)(bigbuf+len);
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if((fp1=fopen(file1, "r"))==NULL) return -1;
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if((fp2=fopen(file2, "r"))==NULL){ fclose(fp1); return -1; }
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if(fstat(fileno(fp1), &statbuf)<0 || !S_ISREG(statbuf.st_mode)){
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fclose(fp1);
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fclose(fp2);
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return -1;
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}
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len1=statbuf.st_size;
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if(fstat(fileno(fp2), &statbuf)<0 || !S_ISREG(statbuf.st_mode)){
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fclose(fp1);
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fclose(fp2);
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return -1;
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}
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len2=statbuf.st_size;
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if(len1!=len2){ fclose(fp1); fclose(fp2); return 1; }
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if(len1==0){ fclose(fp1); fclose(fp2); return 0; }
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while(!feof(fp1) && !feof(fp2)){
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len1=fread(s1, sizeof(char), len, fp1);
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len2=fread(s2, sizeof(char), len, fp2);
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if(len1!=len2 || memcmp(s1, s2, len1)){
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fclose(fp1); fclose(fp2); return 1;
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}
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}
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ret=(!feof(fp1) || !feof(fp2));
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fclose(fp1);
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fclose(fp2);
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return ret;
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}
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