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Added some ASSERTs and NULL-pointer checks to sys_timeout/sys_untimeout

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goldsimon 2007-05-10 14:23:38 +00:00
parent d4834803ae
commit 6a2e323792
1 changed files with 6 additions and 0 deletions
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6
src/core/sys.c
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@ -195,6 +195,7 @@ sys_timeout(u32_t msecs, sys_timeout_handler h, void *arg)
timeout = memp_malloc(MEMP_SYS_TIMEOUT); timeout = memp_malloc(MEMP_SYS_TIMEOUT);
if (timeout == NULL) { if (timeout == NULL) {
LWIP_ASSERT("sys_timeout: timeout != NULL", timeout != NULL);
return; return;
} }
timeout->next = NULL; timeout->next = NULL;
@ -208,6 +209,8 @@ sys_timeout(u32_t msecs, sys_timeout_handler h, void *arg)
(void *)timeout, msecs, (void *)h, (void *)arg)); (void *)timeout, msecs, (void *)h, (void *)arg));
LWIP_ASSERT("sys_timeout: timeouts != NULL", timeouts != NULL); LWIP_ASSERT("sys_timeout: timeouts != NULL", timeouts != NULL);
if (timeouts == NULL)
return;
if (timeouts->next == NULL) { if (timeouts->next == NULL) {
timeouts->next = timeout; timeouts->next = timeout;
@ -246,6 +249,9 @@ sys_untimeout(sys_timeout_handler h, void *arg)
timeouts = sys_arch_timeouts(); timeouts = sys_arch_timeouts();
LWIP_ASSERT("sys_untimeout: timeouts != NULL", timeouts != NULL);
if (timeouts == NULL)
return;
if (timeouts->next == NULL) if (timeouts->next == NULL)
return; return;