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There are two reasons for this optimization: - The value of dlen can equal 0x1_0000_0000, even in wasm32 mode, because it is derived from (4G-0). This results in a truncation when it is passed to b_memmove_s(). Consequently, s1max becomes 0 and n is greater than s1max. To correct this, a longer type is required. - The dlen is only used to check if there is enough space in b_memmove_s(). However, from a different angle, after confirming that both src+len and dst+len are within the memory range, we can be assured and there is no need for this explicit check. |
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| .. | ||
| iwasm_interp.cmake | ||
| SConscript | ||
| wasm_interp_classic.c | ||
| wasm_interp_fast.c | ||
| wasm_interp.h | ||
| wasm_loader.c | ||
| wasm_loader.h | ||
| wasm_mini_loader.c | ||
| wasm_opcode.h | ||
| wasm_runtime.c | ||
| wasm_runtime.h | ||
| wasm.h | ||