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Ensure next_uid() can never return 0.

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Andy
2014-03-17 19:50:29 +00:00
committed by Simon Kelley
parent 3f7483e816
commit d5082158ee
1 changed files with 4 additions and 2 deletions
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6
src/cache.c
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@@ -74,13 +74,15 @@ static void cache_hash(struct crec *crecp);
static unsigned int next_uid(void) static unsigned int next_uid(void)
{ {
static unsigned int uid = 1; static unsigned int uid = 0;
uid++;
/* uid == 0 used to indicate CNAME to interface name. */ /* uid == 0 used to indicate CNAME to interface name. */
if (uid == 0) if (uid == 0)
uid++; uid++;
return uid++; return uid;
} }
void cache_init(void) void cache_init(void)