diff options
Diffstat (limited to 'libnetdata/storage_number/storage_number.c')
| -rw-r--r-- | libnetdata/storage_number/storage_number.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/libnetdata/storage_number/storage_number.c b/libnetdata/storage_number/storage_number.c index 8ef1353b0..3e6a9f45c 100644 --- a/libnetdata/storage_number/storage_number.c +++ b/libnetdata/storage_number/storage_number.c @@ -2,17 +2,23 @@ #include "../libnetdata.h" +#define get_storage_number_flags(value) \ + ((((storage_number)(value)) & (1 << 24)) | \ + (((storage_number)(value)) & (1 << 25)) | \ + (((storage_number)(value)) & (1 << 26))) + storage_number pack_storage_number(calculated_number value, uint32_t flags) { // bit 32 = sign 0:positive, 1:negative // bit 31 = 0:divide, 1:multiply // bit 30, 29, 28 = (multiplier or divider) 0-7 (8 total) // bit 27 SN_EXISTS_100 // bit 26 SN_EXISTS_RESET - // bit 25 SN_EXISTS + // bit 25 SN_ANOMALY_BIT = 0: anomalous, 1: not anomalous // bit 24 to bit 1 = the value storage_number r = get_storage_number_flags(flags); - if(!value) return r; + if(!value) + goto RET_SN; int m = 0; calculated_number n = value, factor = 10; @@ -47,7 +53,7 @@ storage_number pack_storage_number(calculated_number value, uint32_t flags) { error("Number " CALCULATED_NUMBER_FORMAT " is too big.", value); #endif r += 0x00ffffff; - return r; + goto RET_SN; } } else { @@ -78,6 +84,10 @@ storage_number pack_storage_number(calculated_number value, uint32_t flags) { r += (storage_number)n; #endif +RET_SN: + if (r == SN_EMPTY_SLOT) + r = SN_ANOMALOUS_ZERO; + return r; } @@ -100,7 +110,7 @@ calculated_number unpack_storage_number(storage_number value) { factor = 100; // bit 26 SN_EXISTS_RESET - // bit 25 SN_EXISTS + // bit 25 SN_ANOMALY_BIT // bit 30, 29, 28 = (multiplier or divider) 0-7 (8 total) int mul = (value & ((1<<29)|(1<<28)|(1<<27))) >> 27; |