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Add memory data function

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This commit is contained in:
Brandon Fish
2019-02-10 15:20:35 -06:00
parent a502da58e3
commit 66bf13c9dd
4 changed files with 23 additions and 1 deletions
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12
lib/runtime-c-api/tests/test-import-function.c
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@ -5,13 +5,21 @@
static print_str_called = false;
static memory_len = 0;
static ptr_len = 0;
static char actual_str[14] = {};
void print_str(int32_t ptr, int32_t len, wasmer_instance_context_t *ctx) {
wasmer_memory_t *memory = wasmer_instance_context_memory(ctx, 0);
uint32_t mem_len = wasmer_memory_length(memory);
printf("In print_str, memory len: %d\n", mem_len);
uint8_t *mem_bytes = wasmer_memory_data(memory);
for(int32_t idx = 0; idx < len; idx++){
actual_str[idx] = mem_bytes[ptr + idx];
}
actual_str[13] = '\0';
printf("In print_str, memory len: %d, ptr_len: %d\n, str %s", mem_len, len, actual_str);
print_str_called = true;
memory_len = mem_len;
ptr_len = len;
}
int main()
@ -43,6 +51,8 @@ int main()
assert(print_str_called);
assert(memory_len == 17);
assert(ptr_len == 13);
assert(0 == strcmp(actual_str, "Hello, World!"));
printf("Destroy instance\n");
wasmer_instance_destroy(instance);