int main(void)
{
uint8_t *bin_buf = NULL;
size_t bin_size;
sg_vlstr *b64_str;
struct sg_flex_buf *raw_bin;
const char *s = "hello world!!!!";
sg_file_to_buf("/home/metalwood/file1.mp3", &bin_buf, &bin_size);
b64_str = sg_base64_easy_enc_buf((void *)bin_buf, bin_size);
sg_log_inf("base64 len:%"PRIu64".", sg_vlstrlen(b64_str));
sg_file_overwrite("/home/metalwood/file-base64.txt", (uint8_t *)sg_vlstrraw(b64_str), sg_vlstrlen(b64_str));
/*if (bin_buf)
free(bin_buf); *//* double free? */
sg_log_inf("Raw size %lu, base64 string lenght %"PRIu64".", bin_size, sg_vlstrlen(b64_str));
raw_bin = sg_base64_easy_dec_buf(sg_vlstrraw(b64_str));
sg_file_overwrite("/home/metalwood/file2.mp3", (uint8_t *)raw_bin->mem, raw_bin->size);
sg_log_inf("Raw size %lu, base64 string lenght %"PRIu64", decoded size %lu.", bin_size, sg_vlstrlen(b64_str), raw_bin->size);
if (bin_buf)
free(bin_buf);
if (b64_str)
sg_vlstrfree(&b64_str);
if (raw_bin)
sg_flex_buf_destroy(raw_bin);
return 0;
}
int sg_big_float_set_big_int(sg_big_float_t *dst, sg_big_int_t *src)
{
if (!dst || !src)
return -1;
sg_vlstr_t* str = sg_vlstralloc();
sg_big_int_get_str(src, SGNUMSYS_DEC, str);
sg_big_float_set_str(dst, sg_vlstrraw(str), SGNUMSYS_DEC);
sg_vlstrfree(&str);
return 0;
}
int sg_big_float_get_str(sg_big_float_t *src, enum sg_num_sys sys, sg_vlstr_t * str)
{
int base = SG_COMPUTE_BASE(sys);
if (!src || !str || base <= 0)
return -1;
mp_exp_t exp;
char* s = mpf_get_str(NULL, &exp, base, 0, src->mpf);
sg_vlstrcpy(str, s);
if (exp != 0) {
long mantissa_length = strlen(s);
/* rid negative symbol */
if (mpf_sgn(src->mpf) == -1)
--mantissa_length;
sg_vlstr_t* float_exp = sg_vlstrfmt("e%ld", exp - mantissa_length);
sg_vlstrcat(str, sg_vlstrraw(float_exp));
sg_vlstrfree(&float_exp);
}
free(s);
return 0;
}
int sg_daemon_start_with_os(void)
{
#if defined(OS_WIN)
HKEY key;
HKEY root = HKEY_LOCAL_MACHINE;
char *sub_key = "Software\\Microsoft\\Windows\\CurrentVersion\\Run";
char module[SG_PATH_MAX]; /* executable filename */
char module_name[SG_PATH_MAX]; /* executable short filename */
DWORD disposition = REG_OPENED_EXISTING_KEY;
LONG retval;
if (sg_module_path(module, SG_PATH_MAX) != 0) {
sg_log_err("Get process path error.");
return -1;
}
if (sg_module_name(module_name, SG_PATH_MAX) != 0) {
sg_log_err("Get process name error.");
return -1;
}
retval = RegCreateKeyEx(root, sub_key, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &key, &disposition);
if (retval != ERROR_SUCCESS) {
sg_log_err("failed to find.");
return -1;
}
retval = RegSetValueEx(key, module_name, 0, REG_SZ, (BYTE *)module, strlen(module));
RegCloseKey(key);
if (retval != ERROR_SUCCESS) {
sg_log_err("failed to reg.");
return -1;
}
return 0;
#else
const char *filename = "/etc/rc.local";
char module[SG_PATH_MAX]; /* executable filename */
sg_vlstr *file_str;
int retval;
if (sg_module_path(module, SG_PATH_MAX) != 0) {
sg_log_err("Get process path error.");
return -1;
}
file_str = sg_file_to_str(filename);
if (!file_str)
return -1;
/* already exist */
if (strstr(sg_vlstrraw(file_str), module)) {
sg_vlstrfree(&file_str);
return 0;
}
sg_vlstrcat(file_str, "\n");
sg_vlstrcat(file_str, module);
retval = sg_file_overwrite(filename, (uint8_t *)sg_vlstrraw(file_str), sg_vlstrlen(file_str));
sg_vlstrfree(&file_str);
return retval;
#endif
}
