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/****************** Start of $RCSfile: __numset.c,v $ ****************
*
* $Source: /home/alb/afbackup/afbackup-3.3.6/RCS/__numset.c,v $
* $Id: __numset.c,v 1.2 2002/02/27 10:17:09 alb Exp alb $
* $Date: 2002/02/27 10:17:09 $
* $Author: alb $
*
*
******* description ***********************************************
*
*
*
*******************************************************************/
#include <conf.h>
#include <version.h>
static char * fileversion = "$RCSfile: __numset.c,v $ $Source: /home/alb/afbackup/afbackup-3.3.6/RCS/__numset.c,v $ $Id: __numset.c,v 1.2 2002/02/27 10:17:09 alb Exp alb $ " PACKAGE " " VERSION_STRING;
#include <stdio.h>
#include <genutils.h>
#include <fileutil.h>
void
usage(UChar * pnam)
{
fprintf(stderr, "Usage: %s <set> {+|-|in} <set_to_add_or_remove>\n"
" %s # <set>\n",
FN_BASENAME(pnam), FN_BASENAME(pnam));
exit(2);
}
main(int argc, char ** argv)
{
Int32 i, j, n;
Flag calc_num;
Uns32Range *ranges_opnd, *ranges_opor;
Uns32Range *result; /* uninitialized OK */
calc_num = (argc == 3 && !strcmp(argv[1], "#"));
if(argc != 4 && !calc_num)
usage(argv[0]);
if(strcmp(argv[2], "-") && strcmp(argv[2], "+") && strcasecmp(argv[2], "in")
&& strcmp(argv[1], "#"))
usage(argv[0]);
ranges_opnd = sscan_Uns32Ranges__(argv[calc_num ? 2 : 1], 1, 1, NULL, NULL);
if(!calc_num)
ranges_opor = sscan_Uns32Ranges__(argv[3], 1, 1, NULL, NULL);
if(!ranges_opnd || (!ranges_opor && !calc_num)){
fprintf(stderr, "Error: Cannot read argument 1 or 3 as set of numbers.\n");
exit(1);
}
pack_Uns32Ranges(ranges_opnd, NULL);
if(calc_num){
fprintf(stdout, "%d\n", (int) num_Uns32Ranges(ranges_opnd));
exit(0);
}
pack_Uns32Ranges(ranges_opor, NULL);
if(argv[2][0] == '+'){
i = merge_Uns32Ranges(&ranges_opnd, ranges_opor);
if(i){
fprintf(stderr, "Error: Merging sets failed: %s.\n",
strerror(errno));
exit(1);
}
result = ranges_opnd;
}
if(argv[2][0] == '-'){
result = del_range_from_Uns32Ranges(ranges_opnd, ranges_opor);
if(!result){
fprintf(stderr, "Error: Removing numbers from sets failed: %s.\n",
strerror(errno));
exit(1);
}
}
if(!strcasecmp(argv[2], "in")){
for(i = n = 0; i < len_Uns32Ranges(ranges_opnd); i++){
for(j = ranges_opnd[i].first; j <= ranges_opnd[i].last; j++){
if(in_Uns32Ranges(ranges_opor, j))
n++;
}
}
fprintf(stdout, "%d\n", (int) n);
exit(0);
}
fprint_Uns32Ranges(stdout, result, 0);
fprintf(stdout, "\n");
exit(0);
}
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