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#include "config.h"
#include <ctype.h>
#include "genlib.h"
#include "stddefs.h"
/* inRange():
* This function is handed a range string and a value.
* If the value is within the range of the string specified, then
* return 1; else return 0.
* The incoming string can be a mix of ranges and values with each
* range and/or value separated by a comma and a range is specified
* by 2 numbers separated by a dash.
* Also, incoming ranges of "all" or "any" immediately return true
* and an incoming range of "none" or a null or empty pointer will
* return false.
*/
int
inRange(char *range, int value)
{
int lo, hi;
char rcopy[32], *rsp, *comma, *dash;
/* If incoming range is NULL, return zero.
*/
if((range == 0) || (*range == 0) || (strcmp(range,"none") == 0)) {
return(0);
}
/* If the range string is "all" or "any", then immediately return true...
*/
if((strcmp(range,"all") == 0) || (strcmp(range,"any") == 0)) {
return(1);
}
/* Scan the range string for valid characters:
*/
rsp = range;
while(*rsp) {
if((*rsp == ',') || (*rsp == '-') ||
(*rsp == 'x') || isxdigit(*rsp)) {
rsp++;
} else {
break;
}
}
if(*rsp) {
return(0);
}
/* If incoming range string exceeds size of copy buffer, return 0.
*/
if(strlen(range) > sizeof(rcopy)-1) {
return(0);
}
strcpy(rcopy,range);
rsp = rcopy;
do {
comma = strchr(rsp,',');
if(comma) {
*comma = 0;
}
dash = strchr(rsp,'-');
if(dash) {
lo = strtol(rsp,0,0);
hi = strtol(dash+1,0,0);
if((value >= lo) && (value <= hi)) {
return(1);
}
} else {
if(value == strtol(rsp,0,0)) {
return(1);
}
}
rsp = comma+1;
} while(comma);
return(0);
}
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