mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-14 14:45:40 +00:00
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
#include <stdio.h>
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#include "../wasmer.h"
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#include <assert.h>
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#include <stdint.h>
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int main()
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{
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// Read the wasm file bytes
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FILE *file = fopen("sum.wasm", "r");
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fseek(file, 0, SEEK_END);
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long len = ftell(file);
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uint8_t *bytes = malloc(len);
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fseek(file, 0, SEEK_SET);
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fread(bytes, 1, len, file);
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fclose(file);
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wasmer_module_t *module = NULL;
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wasmer_result_t compile_result = wasmer_compile(&module, bytes, len);
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printf("Compile result: %d\n", compile_result);
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assert(compile_result == WASMER_OK);
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wasmer_import_t imports[] = {};
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wasmer_instance_t *instance = NULL;
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wasmer_result_t instantiate_result = wasmer_module_instantiate(module, &instance, imports, 0);
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printf("Instantiate result: %d\n", compile_result);
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assert(instantiate_result == WASMER_OK);
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wasmer_export_descriptors_t *exports = NULL;
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wasmer_export_descriptors(module, &exports);
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int exports_len = wasmer_export_descriptors_len(exports);
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printf("exports_len: %d\n", exports_len);
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assert(exports_len == 1);
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wasmer_export_descriptor_t *export = wasmer_export_descriptors_get(exports, 0);
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wasmer_import_export_kind kind = wasmer_export_descriptor_kind(export);
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assert(kind == WASM_FUNCTION);
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wasmer_byte_array name_bytes = wasmer_export_descriptor_name(export);
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assert(name_bytes.bytes_len == 3);
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char expected[] = {'s', 'u', 'm'};
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for(int idx = 0; idx < 3; idx++){
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printf("%c\n", name_bytes.bytes[idx]);
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assert(name_bytes.bytes[idx] == expected[idx]);
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}
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printf("Destroy module\n");
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wasmer_module_destroy(module);
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printf("Destroy exports\n");
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wasmer_export_descriptors_destroy(exports);
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return 0;
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} |