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crypto: only check MONERO_USE_SOFTWARE_AES once

This commit is contained in:
moneromooo-monero 2016-02-09 09:38:17 +00:00
parent 74aef213fe
commit c7e6b77395
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GPG Key ID: 686F07454D6CEFC3
1 changed files with 15 additions and 5 deletions
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20
src/crypto/slow-hash.c
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@ -189,12 +189,22 @@ STATIC INLINE void xor_blocks(uint8_t *a, const uint8_t *b)
STATIC INLINE int force_software_aes(void) STATIC INLINE int force_software_aes(void)
{ {
static int use = -1;
if (use != -1)
return use;
const char *env = getenv("MONERO_USE_SOFTWARE_AES"); const char *env = getenv("MONERO_USE_SOFTWARE_AES");
if (!env) if (!env) {
return 0; use = 0;
if (!strcmp(env, "0") || !strcmp(env, "no")) }
return 0; else if (!strcmp(env, "0") || !strcmp(env, "no")) {
return 1; use = 0;
}
else {
use = 1;
}
return use;
} }
STATIC INLINE int check_aes_hw(void) STATIC INLINE int check_aes_hw(void)