static const char *test_c_snprintf(void) {
char buf[100];
memset(buf, 'x', sizeof(buf));
ASSERT_EQ(c_snprintf(buf, sizeof(buf), "boo"), 3);
ASSERT_STREQ(buf, "boo");
memset(buf, 'x', sizeof(buf));
ASSERT_EQ(c_snprintf(buf, 0, "boo"), 3);
ASSERT_EQ(buf[0], 'x');
memset(buf, 'x', sizeof(buf));
ASSERT_EQ(
c_snprintf(buf, sizeof(buf), "/%s%c [%.*s]", "foo", 'q', 3, "123456789"),
11);
ASSERT_STREQ(buf, "/fooq [123]");
memset(buf, 'x', sizeof(buf));
ASSERT(c_snprintf(buf, sizeof(buf), "%d %x %04x %lu %ld", -2194, 0xabcdef01,
11, (unsigned long) 354523323, (long) 17) > 0);
ASSERT_STREQ(buf, "-2194 abcdef01 000b 354523323 17");
memset(buf, 'x', sizeof(buf));
/* ASSERT_EQ(c_snprintf(buf, sizeof(buf), "%*sfoo", 3, ""), 3); */
c_snprintf(buf, sizeof(buf), "%*sfoo", 3, "");
ASSERT_STREQ(buf, " foo");
return NULL;
}
static int console_flush_buffer(struct cache *cache) {
LOG(LL_DEBUG, ("file id=%d", (int) s_last_file_id));
int ret = 0, fn_len, files_count;
FILE *file = NULL;
files_count = cache->file_names.len / FILENAME_LEN;
if (files_count >= get_cfg()->console.file_cache_max) {
LOG(LL_ERROR, ("Out of space"));
ret = -1;
/* Game is over, no space to flash buffer */
if (files_count == get_cfg()->console.file_cache_max) {
mbuf_free(&cache->logs);
mbuf_append(&cache->logs, s_out_of_space_msg,
sizeof(s_out_of_space_msg) - 1);
/* Let write last phrase */
} else {
goto clean;
}
}
char file_name[sizeof(LOG_FILENAME_BASE) + FILE_ID_LEN];
fn_len = c_snprintf(file_name, sizeof(file_name), FILENAME_PATTERN,
LOG_FILENAME_BASE, s_last_file_id);
if (fn_len != FILENAME_LEN - 1) {
LOG(LL_ERROR, ("Wrong file name")); /* Internal error, should not happen */
ret = -1;
goto clean;
}
file = fopen(file_name, "w");
if (file == NULL) {
LOG(LL_ERROR, ("Failed to open %s", file_name));
ret = -1;
goto clean;
}
/* Put data */
if (fwrite(cache->logs.buf, 1, cache->logs.len, file) != cache->logs.len) {
LOG(LL_ERROR,
("Failed to write %d bytes to %s", (int) cache->logs.len, file_name));
ret = -1;
goto clean;
}
/* Using mbuf here instead of list to avoid memory overhead */
mbuf_append(&cache->file_names, file_name, FILENAME_LEN);
mbuf_free(&cache->logs);
s_last_file_id++;
clean:
if (file != NULL) {
fclose(file);
}
return ret;
}
int ICACHE_FLASH_ATTR
prv_getRegisterPayload(lwm2m_context_t * contextP,
uint8_t * buffer,
size_t length)
{
int index;
int i;
int result;
// index can not be greater than length
index = 0;
if ((contextP->altPath != NULL)
&& (contextP->altPath[0] != 0))
{
result = c_snprintf((char *)buffer, length, REG_ALT_PATH_LINK, contextP->altPath);
}
else
{
result = c_snprintf((char *)buffer, length, REG_ALT_PATH_LINK, "/");
}
if (result > 0 && result <= length)
{
index = result;
}
else
{
return 0;
}
for (i = 0 ; i < contextP->numObject ; i++)
{
if (contextP->objectList[i]->objID == LWM2M_SECURITY_OBJECT_ID) continue;
if (contextP->objectList[i]->instanceList == NULL)
{
result = c_snprintf((char *)buffer + index, length - index,
REG_OBJECT_PATH,
contextP->altPath?contextP->altPath:"", contextP->objectList[i]->objID);
if (result > 0 && result <= length - index)
{
index += result;
}
else
{
return 0;
}
}
else
{
lwm2m_list_t * targetP;
for (targetP = contextP->objectList[i]->instanceList ; targetP != NULL ; targetP = targetP->next)
{
result = c_snprintf((char *)buffer + index, length - index,
REG_OBJECT_INSTANCE_PATH,
contextP->altPath?contextP->altPath:"", contextP->objectList[i]->objID, targetP->id);
if (result > 0 && result <= length - index)
{
index += result;
}
else
{
return 0;
}
}
}
}
if (index > 0)
{
index = index - 1; // remove trailing ','
}
buffer[index] = 0;
return index;
}
