static void printuint(unsigned int num)
{
if (num >= 10)
{
printuint(num / 10);
}
putchar('0' + (num % 10));
}
static void printint(int num)
{
if (num < 0)
{
putchar('-');
num *= -1;
}
printuint(num);
}
void
runtime·printint(int64 v)
{
if(v < 0) {
runtime·write(2, "-", 1);
v = -v;
}
runtime·printuint(v);
}
void
·printint(int64 v)
{
if(v < 0) {
write(fd, "-", 1);
v = -v;
}
·printuint(v);
}
int simple_printf(char * fmt, ...)
{
char * marker;
int intArg;
unsigned int uintArg;
char * strArg;
va_list args;
va_start(args,fmt);
marker = fmt;
while (*fmt) {
switch (*fmt)
{
case '%':
if (fmt != marker) {
char c = *fmt;
*fmt = '\0';
printstr(marker);
*fmt = c;
}
fmt++;
switch (*(fmt))
{
case 'd':
intArg = va_arg(args, int);
printint(intArg);
break;
case 'u':
uintArg = va_arg(args, int);
printuint(uintArg);
break;
case 'x':
uintArg = va_arg(args, int);
printhex(uintArg);
break;
case 'c':
intArg = va_arg(args, int);
printchar(intArg);
break;
case 's':
strArg = va_arg(args, char *);
printstr(strArg);
break;
}
fmt++;
marker = fmt;
break;
default:
fmt++;
}
}
if (fmt != marker) {
char c = *fmt;
*fmt = '\0';
printstr(marker);
*fmt = c;
}
va_end(args);
return 0;
}
// Very simple printf. Only for debugging prints.
// Do not add to this without checking with Rob.
static void
vprintf(int8 *s, byte *base)
{
int8 *p, *lp;
uintptr arg, narg;
byte *v;
// lock(&debuglock);
lp = p = s;
arg = 0;
for(; *p; p++) {
if(*p != '%')
continue;
if(p > lp)
runtime·write(2, lp, p-lp);
p++;
narg = 0;
switch(*p) {
case 't':
narg = arg + 1;
break;
case 'd': // 32-bit
case 'x':
arg = runtime·rnd(arg, 4);
narg = arg + 4;
break;
case 'D': // 64-bit
case 'U':
case 'X':
case 'f':
arg = runtime·rnd(arg, sizeof(uintptr));
narg = arg + 8;
break;
case 'C':
arg = runtime·rnd(arg, sizeof(uintptr));
narg = arg + 16;
break;
case 'p': // pointer-sized
case 's':
arg = runtime·rnd(arg, sizeof(uintptr));
narg = arg + sizeof(uintptr);
break;
case 'S': // pointer-aligned but bigger
arg = runtime·rnd(arg, sizeof(uintptr));
narg = arg + sizeof(String);
break;
case 'a': // pointer-aligned but bigger
arg = runtime·rnd(arg, sizeof(uintptr));
narg = arg + sizeof(Slice);
break;
case 'i': // pointer-aligned but bigger
case 'e':
arg = runtime·rnd(arg, sizeof(uintptr));
narg = arg + sizeof(Eface);
break;
}
v = base+arg;
switch(*p) {
case 'a':
runtime·printslice(*(Slice*)v);
break;
case 'd':
runtime·printint(*(int32*)v);
break;
case 'D':
runtime·printint(*(int64*)v);
break;
case 'e':
runtime·printeface(*(Eface*)v);
break;
case 'f':
runtime·printfloat(*(float64*)v);
break;
case 'C':
runtime·printcomplex(*(Complex128*)v);
break;
case 'i':
runtime·printiface(*(Iface*)v);
break;
case 'p':
runtime·printpointer(*(void**)v);
break;
case 's':
runtime·prints(*(int8**)v);
break;
case 'S':
runtime·printstring(*(String*)v);
break;
case 't':
runtime·printbool(*(bool*)v);
break;
case 'U':
runtime·printuint(*(uint64*)v);
break;
case 'x':
runtime·printhex(*(uint32*)v);
break;
case 'X':
runtime·printhex(*(uint64*)v);
break;
}
arg = narg;
lp = p+1;
}
if(p > lp)
runtime·write(2, lp, p-lp);
// unlock(&debuglock);
}
// Very simple printf. Only for debugging prints.
// Do not add to this without checking with Rob.
static void
vprintf(int8 *s, byte *arg)
{
int8 *p, *lp;
byte *narg;
// lock(&debuglock);
lp = p = s;
for(; *p; p++) {
if(*p != '%')
continue;
if(p > lp)
write(fd, lp, p-lp);
p++;
narg = nil;
switch(*p) {
case 't':
narg = arg + 1;
break;
case 'd': // 32-bit
case 'x':
arg = vrnd(arg, 4);
narg = arg + 4;
break;
case 'D': // 64-bit
case 'U':
case 'X':
case 'f':
arg = vrnd(arg, sizeof(uintptr));
narg = arg + 8;
break;
case 'p': // pointer-sized
case 's':
arg = vrnd(arg, sizeof(uintptr));
narg = arg + sizeof(uintptr);
break;
case 'S': // pointer-aligned but bigger
arg = vrnd(arg, sizeof(uintptr));
narg = arg + sizeof(String);
break;
case 'a': // pointer-aligned but bigger
arg = vrnd(arg, sizeof(uintptr));
narg = arg + sizeof(Slice);
break;
case 'i': // pointer-aligned but bigger
case 'e':
arg = vrnd(arg, sizeof(uintptr));
narg = arg + sizeof(Eface);
break;
}
switch(*p) {
case 'a':
·printslice(*(Slice*)arg);
break;
case 'd':
·printint(*(int32*)arg);
break;
case 'D':
·printint(*(int64*)arg);
break;
case 'e':
·printeface(*(Eface*)arg);
break;
case 'f':
·printfloat(*(float64*)arg);
break;
case 'i':
·printiface(*(Iface*)arg);
break;
case 'p':
·printpointer(*(void**)arg);
break;
case 's':
prints(*(int8**)arg);
break;
case 'S':
·printstring(*(String*)arg);
break;
case 't':
·printbool(*(bool*)arg);
break;
case 'U':
·printuint(*(uint64*)arg);
break;
case 'x':
·printhex(*(uint32*)arg);
break;
case 'X':
·printhex(*(uint64*)arg);
break;
case '!':
·panicl(-1);
}
arg = narg;
lp = p+1;
}
if(p > lp)
write(fd, lp, p-lp);
// unlock(&debuglock);
}