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Avoid divisions / module in SNMP code on stupid compilers

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Signed-off-by: goldsimon <goldsimon@gmx.de>
This commit is contained in:
Dirk Ziegelmeier 2016-04-06 11:16:54 +02:00 committed by goldsimon
parent ca1b8288de
commit ab2c65549d
1 changed files with 2 additions and 2 deletions
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4
src/apps/snmp/snmp_core.c
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@ -1071,7 +1071,7 @@ snmp_decode_bits(const u8_t *buf, u32_t buf_len, u32_t *bit_value)
bits_processed++; bits_processed++;
b <<= 1; b <<= 1;
} }
while ((bits_processed % 8) != 0); while ((bits_processed & 0x07) != 0); /* &0x07 -> % 8 */
} else { } else {
bits_processed += 8; bits_processed += 8;
} }
@ -1126,7 +1126,7 @@ u8_t
snmp_encode_bits(u8_t *buf, u32_t buf_len, u32_t bit_value, u8_t bit_count) snmp_encode_bits(u8_t *buf, u32_t buf_len, u32_t bit_value, u8_t bit_count)
{ {
u8_t len = 0; u8_t len = 0;
u8_t min_bytes = (bit_count + 7) / 8; u8_t min_bytes = (bit_count + 7) >> 3; /* >>3 -> / 8 */
while ((buf_len > 0) && (bit_value != 0x00)) { while ((buf_len > 0) && (bit_value != 0x00)) {
s8_t i = 7; s8_t i = 7;