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Add assertion that checks for a maximum msecs value for sys_timeout()

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This commit is contained in:
Dirk Ziegelmeier 2018-01-12 12:38:25 +01:00
parent 990c25d4f3
commit 67ad6e45db
1 changed files with 2 additions and 0 deletions
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2
src/core/timeouts.c
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@ -290,6 +290,8 @@ sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg)
LWIP_ASSERT_CORE_LOCKED();
LWIP_ASSERT("Timeout time too long, max is LWIP_UINT32_MAX/4 msecs", msecs <= (LWIP_UINT32_MAX / 4));
next_timeout_time = (u32_t)(sys_now() + msecs); /* overflow handled by TIME_LESS_THAN macro */
#if LWIP_DEBUG_TIMERNAMES