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counter must be static in getRandomHexChars().

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antirez 2015-01-22 11:00:26 +01:00
parent 87301be151
commit 9826038f0b
1 changed files with 4 additions and 2 deletions
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6
src/util.c
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@ -431,9 +431,11 @@ int d2string(char *buf, size_t len, double value) {
void getRandomHexChars(char *p, unsigned int len) { void getRandomHexChars(char *p, unsigned int len) {
char *charset = "0123456789abcdef"; char *charset = "0123456789abcdef";
unsigned int j; unsigned int j;
static int seed_initialized = 0;
unsigned char seed[20]; /* A seed to have a different sequence each run. */ unsigned char seed[20]; /* A seed to have a different sequence each run. */
uint64_t counter = 0; /* The counter we hash together with the seed. */
/* Global state. */
static int seed_initialized = 0;
static uint64_t counter = 0; /* The counter we hash with the seed. */
if (!seed_initialized) { if (!seed_initialized) {
/* Initialize a seed and use SHA1 in counter mode, where we hash /* Initialize a seed and use SHA1 in counter mode, where we hash