bool java_method_code_parse(FILE *input, java_code *code)
{
if(!(
fread_uint16(input, &(code->max_stack)) &&
fread_uint16(input, &(code->max_locals)) &&
fread_uint32(input, &(code->code_length))
))
{ return false; }
code->bytecode = (uint8_t*)malloc(code->code_length+1);
if(!code->bytecode) { return false; }
if(fread(code->bytecode, 1, code->code_length, input) != code->code_length) { return false; }
code->bytecode[code->code_length] = 0xff;
if(!fread_uint16(input, &(code->exception_handlers_count))) { return false; }
code->exception_handlers = (java_exception_handler**)malloc(sizeof(java_exception_handler*)*code->exception_handlers_count);
if(!code->exception_handlers) { return false; }
int i;
for(i = 0; i < code->exception_handlers_count; i++)
{
code->exception_handlers[i] = (java_exception_handler*)malloc(sizeof(java_exception_handler));
if(!code->exception_handlers[i]) { return false; }
if(!java_method_code_exception_handler_parse(input, code->exception_handlers[i])) { return false;}
}
return true;
}
bool java_attribute_skip(FILE *input, bool no_index)
{
uint32_t length = 0;
long initial_pos = ftell(input);
if(!(
( no_index || (fseek(input, 2, SEEK_CUR) == 0)) &&
fread_uint32(input, &length) &&
(fseek(input, length, SEEK_CUR) == 0)
))
{
fseek(input, initial_pos, SEEK_SET);
return false;
}
return true;
}
static void load_tzdata(void)
{
char *path = str_printf("%r" SEP_S "data" SEP_S "tzdata.dat", fs->fox_home);
FileHandle fh = open_fox(path, O_RDONLY, DEFAULT_PERMISSION);
int32_t size;
char *tzdata_names;
int i;
if (fh == -1) {
fatal_errorf("Cannot load file %q", path);
}
free(path);
tzdata_size = fread_uint32(fh);
if (tzdata_size <= 0 || tzdata_size > fs->max_alloc / sizeof(TZData)) {
goto ERROR_END;
}
tzdata = Mem_get(&fg->st_mem, tzdata_size * sizeof(TZData));
for (i = 0; i < tzdata_size; i++) {
TZData *p = &tzdata[i];
p->u1.index = fread_uint32(fh);
p->u2.index = fread_uint32(fh);
}
size = fread_uint32(fh);
if (size <= 0 || size > fs->max_alloc) {
goto ERROR_END;
}
tzdata_names = fread_buffer(fh, size, &fg->st_mem);
size = fread_uint32(fh);
if (size <= 0 || size > fs->max_alloc / sizeof(TZDataAlias)) {
goto ERROR_END;
}
tzdata_alias = Mem_get(&fg->st_mem, size * sizeof(TZDataAlias));
for (i = 0; i < size; i++) {
TZDataAlias *p = &tzdata_alias[i];
p->tz = NULL;
p->index = fread_uint32(fh);
}
size = fread_uint32(fh);
if (size <= 0 || size > fs->max_alloc) {
goto ERROR_END;
}
tzdata_abbr = fread_buffer(fh, size, &fg->st_mem);
size = fread_uint32(fh);
if (size <= 0 || size > fs->max_alloc) {
goto ERROR_END;
}
tzdata_line = fread_buffer(fh, size * 4, &fg->st_mem);
size = fread_uint32(fh);
if (size <= 0 || size > fs->max_alloc) {
goto ERROR_END;
}
tzdata_data = fread_buffer(fh, size, &fg->st_mem);
for (i = 0; i < tzdata_size; i++) {
TZData *p = &tzdata[i];
p->u1.name = tzdata_names + p->u1.index;
p->u2.alias = tzdata_alias + p->u2.index;
}
close_fox(fh);
return;
ERROR_END:
fatal_errorf("Failed to load tzdata");
}
