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sys: add the possibility to fuzz what sys_now() returns

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This commit is contained in:
Simon Goldschmidt 2020-02-17 21:39:46 +01:00
parent 9b5a6fe1dc
commit fc85b055d7
3 changed files with 16 additions and 2 deletions
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7
contrib/ports/unix/port/sys_arch.c
View File

@ -670,9 +670,14 @@ u32_t
sys_now(void) sys_now(void)
{ {
struct timespec ts; struct timespec ts;
u32_t now;
get_monotonic_time(&ts); get_monotonic_time(&ts);
return (u32_t)(ts.tv_sec * 1000L + ts.tv_nsec / 1000000L); now = (u32_t)(ts.tv_sec * 1000L + ts.tv_nsec / 1000000L);
#ifdef LWIP_FUZZ_SYS_NOW
now += sys_now_offset;
#endif
return now;
} }
u32_t u32_t

6
contrib/ports/win32/sys_arch.c
View File

@ -142,7 +142,11 @@ sys_jiffies(void)
u32_t u32_t
sys_now(void) sys_now(void)
{ {
return (u32_t)sys_get_ms_longlong(); u32_t now = (u32_t)sys_get_ms_longlong();
#ifdef LWIP_FUZZ_SYS_NOW
now += sys_now_offset;
#endif
return now;
} }
CRITICAL_SECTION critSec; CRITICAL_SECTION critSec;

5
src/include/lwip/sys.h
View File

@ -445,6 +445,11 @@ void sys_init(void);
u32_t sys_jiffies(void); u32_t sys_jiffies(void);
#endif #endif
#ifdef LWIP_FUZZ_SYS_NOW
/* This offset should be added to the time 'sys_now()' returns */
extern u32_t sys_now_offset;
#endif
/** /**
* @ingroup sys_time * @ingroup sys_time
* Returns the current time in milliseconds, * Returns the current time in milliseconds,