size_t cavan_fifo_vprintf(struct cavan_fifo *fifo, const char *format, va_list ap)
{
size_t size;
char buff[2048];
size = vsnprintf(buff, sizeof(buff), format, ap);
return cavan_fifo_write(fifo, buff, size);
}
int main(int argc, char *argv[])
{
char c;
int ret;
struct cavan_fifo fifo;
assert(argc > 1);
ret = cavan_fifo_init(&fifo, 20, NULL);
if (ret < 0) {
pr_red_info("cavan_fifo_init");
return ret;
}
fifo.read = test_fifo_read;
fifo.write = test_fifo_write;
if (strcmp(argv[1], "write") == 0) {
for (c = 'A'; c <= 'Z'; c++) {
cavan_fifo_write(&fifo, &c, 1);
}
cavan_fifo_fflush(&fifo);
} else if (strcmp(argv[1], "read") == 0) {
int i;
char buff[100];
for (i = 0; i < (int) sizeof(buff) - 1 && cavan_fifo_read(&fifo, buff + i, 1) == 1; i++);
buff[i] = 0;
println("buff[%d] = %s", i, buff);
} else {
pr_red_info("inlivad action %s", argv[1]);
}
cavan_fifo_deinit(&fifo);
return 0;
}