/var/lib/pcp/testsuite/src/compare.c is in pcp-testsuite 3.9.10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | /*
* Copyright (c) 1997-2002 Silicon Graphics, Inc. All Rights Reserved.
*/
#include <math.h>
#include <pcp/pmapi.h>
#include <pcp/impl.h>
int
main(int argc, char *argv[])
{
double d[3];
long l[3];
char *endp;
int haveDouble = 0;
int i, j;
int smallVal = 2;
int smallDVal = 2.0;
double tolerance = 0.1;
int c;
int err = 0;
int nArgs;
__pmSetProgname(argv[0]);
while ((c = getopt(argc, argv, "s:t:")) != EOF)
switch (c) {
case 's': /* small value */
smallVal = (int)strtol(optarg, &endp, 0);
if (*endp == '.') {
smallDVal = strtod(optarg, &endp);
haveDouble = 1;
}
if (*endp != '\0') {
fprintf(stderr, "small value \"%s\" was not numeric\n", optarg);
err++;
}
break;
case 't': /* tolerance (fraction of max) */
tolerance = strtod(optarg, &endp);
if (*endp != '\0') {
fprintf(stderr, "tolerance \"%s\" was not numeric\n", optarg);
err++;
}
break;
case '?':
err++;
}
nArgs = argc - optind;
if (err || nArgs < 2 || nArgs > 3) {
fprintf(stderr,
"Usage: %s [-t tolerance] [-s small] number number [number]\n",
pmProgname);
exit(1);
}
for (i = 0; i < nArgs; i++) {
if (!haveDouble) {
l[i] = strtol(argv[optind + i], &endp, 0);
if (*endp == '.') {
for (j = 0; j < i; j++)
d[j] = (double)l[j];
d[i] = strtod(argv[i], &endp);
haveDouble = 1;
}
}
else
d[i] = strtod(argv[optind + i], &endp);
if (*endp != '\0') {
fprintf(stderr, "%s: non-numeric argument \"%s\"\n", pmProgname, argv[optind + i]);
exit(1);
}
}
if (nArgs == 2)
/* check for 2 values within within 10% or one small and the delta small */
if (haveDouble) {
double
delta = fabs(d[1] - d[0]),
max = d[0] > d[1] ? d[0] : d[1];
if (delta / max <= tolerance)
exit(0);
else
if ((d[0] <= smallDVal || d[1] <= smallDVal) && delta <= smallDVal)
exit(0);
exit(1);
}
else {
long
delta = l[1] > l[0] ? l[1] - l[0] : l[0] - l[1],
max = l[0] > l[1] ? l[0] : l[1];
if ((float)delta / (float)max <= tolerance)
exit(0);
else
if ((l[0] <= smallVal || l[1] <= smallVal) && delta <= smallVal)
exit(0);
exit(1);
}
else
if (haveDouble)
if (d[0] <= d[1] && d[1] <= d[2])
exit(0);
else
exit(1);
else
if (l[0] <= l[1] && l[1] <= l[2])
exit(0);
else
exit(1);
}
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