int
vcprintf(const char *fmt, va_list ap)
{
int cnt = 0;
vprintfmt((void*)putch, &cnt, fmt, ap);
return cnt;
}
void printk(const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
vprintfmt(__putchar, fmt, &va);
va_end(va);
}
void lwip_print (const char *fmt, ...){
va_list vargs;
va_start(vargs, fmt);
print("[net/tcpip] INFO: lwip: ");
vprintfmt(fmt, vargs);
va_end(vargs);
}
int vcprintf(const char *fmt, va_list ap) {
struct printbuf b;
b.idx = 0;
b.cnt = 0;
vprintfmt((void*) putch, &b, fmt, ap);
sys_cputs(b.buf, b.idx);
return b.cnt;
}
/* *
* vcprintf - format a string and writes it to stdout
*
* The return value is the number of characters which would be
* written to stdout.
*
* Call this function if you are already dealing with a va_list.
* Or you probably want cprintf() instead.
* */
int vkprintf(const char *fmt, va_list ap)
{
int cnt = 0;
int flag;
local_intr_save_hw(flag);
spinlock_acquire(&kprintf_lock);
vprintfmt((void *)cputch, NO_FD, &cnt, fmt, ap);
spinlock_release(&kprintf_lock);
local_intr_restore_hw(flag);
return cnt;
}
int
vcprintf(const char *fmt, va_list ap)
{
int cnt = 0;
va_list aq;
va_copy(aq,ap);
vprintfmt((void*)putch, &cnt, fmt, aq);
va_end(aq);
return cnt;
}
int
vsnprintf(char *buf, int n, const char *fmt, va_list ap)
{
assert(buf != NULL && n > 0);
struct sprintbuf b = {buf, buf+n-1, 0};
// print the string to the buffer
vprintfmt((void*)sprintputch, &b, fmt, ap);
// null terminate the buffer
*b.buf = '\0';
return b.cnt;
}
int
vsprintf(char *buf, const char *fmt, va_list ap)
{
assert(buf != NULL);
struct sprintbuf b = {buf, (char*)(intptr_t)~0, 0};
// print the string to the buffer
vprintfmt((void*)sprintputch, &b, fmt, ap);
// null terminate the buffer
*b.buf = '\0';
return b.cnt;
}
int
vfprintf(int fd, const char *fmt, va_list ap)
{
struct printbuf b;
b.fd = fd;
b.idx = 0;
b.result = 0;
b.error = 1;
vprintfmt(putch, &b, fmt, ap);
if (b.idx > 0)
writebuf(&b);
return (b.result ? b.result : b.error);
}
int
vfprintf(int fd, const char *fmt, va_list ap) {
int cnt = 0;
vprintfmt((void*)fputch, fd, &cnt, fmt, ap);
return cnt;
}
/* *
* vkprintf - format a string and writes it to stdout
*
* The return value is the number of characters which would be
* written to stdout.
*
* Call this function if you are already dealing with a va_list.
* Or you probably want kprintf() instead.
* */
int
vkprintf(const char *fmt, va_list ap) {
int cnt = 0;
vprintfmt((void*)cputch, NO_FD, &cnt, fmt, ap);
return cnt;
}
int vprintk(const char *fmt,va_list ap){
int cnt=0;
vprintfmt(putch,(void *)&cnt,fmt,ap);
return cnt;
}