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Print only printable characters from refid

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This commit is contained in:
Miroslav Lichvar 2010-01-13 14:00:12 +01:00
parent 22f0da4da6
commit a3288d4284
1 changed files with 12 additions and 7 deletions
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19
util.c
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@ -244,14 +244,19 @@ UTI_TimestampToString(NTP_int64 *ts)
char *
UTI_RefidToString(unsigned long ref_id)
{
unsigned int a, b, c, d;
char *result;
a = (ref_id>>24) & 0xff;
b = (ref_id>>16) & 0xff;
c = (ref_id>> 8) & 0xff;
d = (ref_id>> 0) & 0xff;
unsigned int i, j, c;
char buf[5], *result;
for (i = j = 0; i < 4; i++) {
c = (ref_id >> (24 - i * 8)) & 0xff;
if (isprint(c))
buf[j++] = c;
}
buf[j] = '\0';
result = NEXT_BUFFER;
snprintf(result, BUFFER_LENGTH, "%c%c%c%c", a, b, c, d);
snprintf(result, BUFFER_LENGTH, "%s", buf);
return result;
}