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Apply clang format for samples files (#833)

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Apply clang format for c source files under samples folder
This commit is contained in:
Wenyong Huang
2021-11-15 12:48:35 +08:00
committed by GitHub
parent 37a14c9825
commit 3ded9ece83
58 changed files with 1261 additions and 957 deletions
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159
samples/basic/src/main.c
View File

@ -8,23 +8,27 @@
#include "bh_read_file.h"
#include "bh_getopt.h"
int intToStr(int x, char* str, int str_len, int digit);
int get_pow(int x, int y);
int32_t calculate_native(int32_t n, int32_t func1, int32_t func2);
int
intToStr(int x, char *str, int str_len, int digit);
int
get_pow(int x, int y);
int32_t
calculate_native(int32_t n, int32_t func1, int32_t func2);
void print_usage(void)
void
print_usage(void)
{
fprintf(stdout, "Options:\r\n");
fprintf(stdout, " -f [path of wasm file] \n");
}
int main(int argc, char *argv_main[])
int
main(int argc, char *argv_main[])
{
static char global_heap_buf[512 * 1024];
char *buffer, error_buf[128];
int opt;
char * wasm_path = NULL;
char *wasm_path = NULL;
wasm_module_t module = NULL;
wasm_module_inst_t module_inst = NULL;
@ -32,25 +36,23 @@ int main(int argc, char *argv_main[])
uint32 buf_size, stack_size = 8092, heap_size = 8092;
wasm_function_inst_t func = NULL;
wasm_function_inst_t func2 = NULL;
char * native_buffer = NULL;
char *native_buffer = NULL;
uint32_t wasm_buffer = 0;
RuntimeInitArgs init_args;
memset(&init_args, 0, sizeof(RuntimeInitArgs));
while ((opt = getopt(argc, argv_main, "hf:")) != -1)
{
switch (opt)
{
case 'f':
wasm_path = optarg;
break;
case 'h':
print_usage();
return 0;
case '?':
print_usage();
return 0;
while ((opt = getopt(argc, argv_main, "hf:")) != -1) {
switch (opt) {
case 'f':
wasm_path = optarg;
break;
case 'h':
print_usage();
return 0;
case '?':
print_usage();
return 0;
}
}
if (optind == 1) {
@ -64,26 +66,20 @@ int main(int argc, char *argv_main[])
// For the function signature specifications, goto the link:
// https://github.com/bytecodealliance/wasm-micro-runtime/blob/main/doc/export_native_api.md
static NativeSymbol native_symbols[] =
{
static NativeSymbol native_symbols[] = {
{
"intToStr", // the name of WASM function name
intToStr, // the native function pointer
"(i*~i)i", // the function prototype signature, avoid to use i32
NULL // attachment is NULL
"intToStr", // the name of WASM function name
intToStr, // the native function pointer
"(i*~i)i", // the function prototype signature, avoid to use i32
NULL // attachment is NULL
},
{
"get_pow", // the name of WASM function name
get_pow, // the native function pointer
"(ii)i", // the function prototype signature, avoid to use i32
NULL // attachment is NULL
"get_pow", // the name of WASM function name
get_pow, // the native function pointer
"(ii)i", // the function prototype signature, avoid to use i32
NULL // attachment is NULL
},
{
"calculate_native",
calculate_native,
"(iii)i",
NULL
}
{ "calculate_native", calculate_native, "(iii)i", NULL }
};
init_args.mem_alloc_type = Alloc_With_Pool;
@ -102,30 +98,27 @@ int main(int argc, char *argv_main[])
buffer = bh_read_file_to_buffer(wasm_path, &buf_size);
if(!buffer) {
if (!buffer) {
printf("Open wasm app file [%s] failed.\n", wasm_path);
goto fail;
}
module = wasm_runtime_load(buffer, buf_size, error_buf, sizeof(error_buf));
if(!module) {
if (!module) {
printf("Load wasm module failed. error: %s\n", error_buf);
goto fail;
}
module_inst = wasm_runtime_instantiate(module,
stack_size,
heap_size,
error_buf,
sizeof(error_buf));
module_inst = wasm_runtime_instantiate(module, stack_size, heap_size,
error_buf, sizeof(error_buf));
if(!module_inst) {
if (!module_inst) {
printf("Instantiate wasm module failed. error: %s\n", error_buf);
goto fail;
}
exec_env = wasm_runtime_create_exec_env(module_inst, stack_size);
if(!exec_env) {
if (!exec_env) {
printf("Create wasm execution environment failed.\n");
goto fail;
}
@ -135,72 +128,90 @@ int main(int argc, char *argv_main[])
argv[0] = 10;
// the second arg will occupy two array elements
memcpy(&argv[1], &arg_d, sizeof(arg_d));
*(float*)(argv+3) = 300.002;
*(float *)(argv + 3) = 300.002;
if(!(func = wasm_runtime_lookup_function(module_inst, "generate_float", NULL))){
if (!(func = wasm_runtime_lookup_function(module_inst, "generate_float",
NULL))) {
printf("The generate_float wasm function is not found.\n");
goto fail;
}
// pass 4 elements for function arguments
if (!wasm_runtime_call_wasm(exec_env, func, 4, argv) ) {
printf("call wasm function generate_float failed. %s\n", wasm_runtime_get_exception(module_inst));
if (!wasm_runtime_call_wasm(exec_env, func, 4, argv)) {
printf("call wasm function generate_float failed. %s\n",
wasm_runtime_get_exception(module_inst));
goto fail;
}
float ret_val;
memcpy(&ret_val, argv, sizeof(float));
printf("Native finished calling wasm function generate_float(), returned a float value: %ff\n", ret_val );
printf("Native finished calling wasm function generate_float(), returned a "
"float value: %ff\n",
ret_val);
// Next we will pass a buffer to the WASM function
uint32 argv2[4];
// must allocate buffer from wasm instance memory space (never use pointer from host runtime)
wasm_buffer = wasm_runtime_module_malloc(module_inst, 100, (void**)&native_buffer);
// must allocate buffer from wasm instance memory space (never use pointer
// from host runtime)
wasm_buffer =
wasm_runtime_module_malloc(module_inst, 100, (void **)&native_buffer);
memcpy(argv2, &ret_val, sizeof(float)); // the first argument
argv2[1] = wasm_buffer; // the second argument is the wasm buffer address
argv2[2] = 100; // the third argument is the wasm buffer size
argv2[3] = 3; // the last argument is the digits after decimal point for converting float to string
argv2[1] = wasm_buffer; // the second argument is the wasm buffer address
argv2[2] = 100; // the third argument is the wasm buffer size
argv2[3] = 3; // the last argument is the digits after decimal point for
// converting float to string
if(!(func2 = wasm_runtime_lookup_function(module_inst, "float_to_string", NULL))){
printf("The wasm function float_to_string wasm function is not found.\n");
if (!(func2 = wasm_runtime_lookup_function(module_inst, "float_to_string",
NULL))) {
printf(
"The wasm function float_to_string wasm function is not found.\n");
goto fail;
}
if (wasm_runtime_call_wasm(exec_env, func2, 4, argv2) ) {
printf("Native finished calling wasm function: float_to_string, returned a formatted string: %s\n", native_buffer);
if (wasm_runtime_call_wasm(exec_env, func2, 4, argv2)) {
printf("Native finished calling wasm function: float_to_string, "
"returned a formatted string: %s\n",
native_buffer);
}
else {
printf("call wasm function float_to_string failed. error: %s\n", wasm_runtime_get_exception(module_inst));
printf("call wasm function float_to_string failed. error: %s\n",
wasm_runtime_get_exception(module_inst));
goto fail;
}
wasm_function_inst_t func3 = wasm_runtime_lookup_function(module_inst,
"calculate",
NULL);
wasm_function_inst_t func3 =
wasm_runtime_lookup_function(module_inst, "calculate", NULL);
if (!func3) {
printf("The wasm function calculate is not found.\n");
goto fail;
}
uint32_t argv3[1] = {3};
uint32_t argv3[1] = { 3 };
if (wasm_runtime_call_wasm(exec_env, func3, 1, argv3)) {
uint32_t result = *(uint32_t*)argv3;
printf("Native finished calling wasm function: calculate, return: %d\n", result);
} else {
printf("call wasm function calculate failed. error: %s\n", wasm_runtime_get_exception(module_inst));
uint32_t result = *(uint32_t *)argv3;
printf("Native finished calling wasm function: calculate, return: %d\n",
result);
}
else {
printf("call wasm function calculate failed. error: %s\n",
wasm_runtime_get_exception(module_inst));
goto fail;
}
fail:
if(exec_env) wasm_runtime_destroy_exec_env(exec_env);
if(module_inst) {
if(wasm_buffer) wasm_runtime_module_free(module_inst, wasm_buffer);
if (exec_env)
wasm_runtime_destroy_exec_env(exec_env);
if (module_inst) {
if (wasm_buffer)
wasm_runtime_module_free(module_inst, wasm_buffer);
wasm_runtime_deinstantiate(module_inst);
}
if(module) wasm_runtime_unload(module);
if(buffer) BH_FREE(buffer);
if (module)
wasm_runtime_unload(module);
if (buffer)
BH_FREE(buffer);
wasm_runtime_destroy();
return 0;
}

17
samples/basic/src/native_impl.c
View File

@ -8,12 +8,12 @@
#include "math.h"
extern bool
wasm_runtime_call_indirect(wasm_exec_env_t exec_env,
uint32_t element_indices,
wasm_runtime_call_indirect(wasm_exec_env_t exec_env, uint32_t element_indices,
uint32_t argc, uint32_t argv[]);
// The first parameter is not exec_env because it is invoked by native funtions
void reverse(char * str, int len)
void
reverse(char *str, int len)
{
int i = 0, j = len - 1, temp;
while (i < j) {
@ -32,11 +32,12 @@ void reverse(char * str, int len)
// digit is the number of digits required in the output.
// If digit is more than the number of digits in x,
// then 0s are added at the beginning.
int intToStr(wasm_exec_env_t exec_env, int x, char* str, int str_len, int digit)
int
intToStr(wasm_exec_env_t exec_env, int x, char *str, int str_len, int digit)
{
int i = 0;
printf ("calling into native function: %s\n", __FUNCTION__);
printf("calling into native function: %s\n", __FUNCTION__);
while (x) {
// native is responsible for checking the str_len overflow
@ -64,8 +65,10 @@ int intToStr(wasm_exec_env_t exec_env, int x, char* str, int str_len, int digit)
return i;
}
int get_pow(wasm_exec_env_t exec_env, int x, int y) {
printf ("calling into native function: %s\n", __FUNCTION__);
int
get_pow(wasm_exec_env_t exec_env, int x, int y)
{
printf("calling into native function: %s\n", __FUNCTION__);
return (int)pow(x, y);
}