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refactoring getting the map size

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van Hauser
2020-04-17 11:56:08 +02:00
parent 1931838a11
commit 76e15a0695
7 changed files with 33 additions and 46 deletions
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18
src/afl-common.c
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@ -898,3 +898,21 @@ u32 read_timed(s32 fd, void *buf, size_t len, u32 timeout_ms,
}
u32 get_map_size() {
uint32_t map_size = MAP_SIZE;
char * ptr;
if ((ptr = getenv("AFL_MAP_SIZE")) || (ptr = getenv("AFL_MAPSIZE"))) {
map_size = atoi(ptr);
if (map_size < 8 || map_size > (1 << 29))
FATAL("illegal AFL_MAP_SIZE %u, must be between 2^3 and 2^30", map_size);
if (map_size % 8) map_size = (((map_size >> 3) + 1) << 3);
}
return map_size;
}