33 lines
816 B
C
33 lines
816 B
C
|
#include "libwasm.h"
|
||
|
|
extern void IMPORT(PrintOut) (const char * ptr, const int len); // external javascript function
|
||
|
|
int puts (const char * ptr) {
|
||
|
|
const int len = strlen (ptr);
|
||
|
|
char * out = malloc (len);
|
||
|
|
strncpy(out, ptr, len);
|
||
|
|
PrintOut (out, len);
|
||
|
|
free (out);
|
||
|
|
return len;
|
||
|
|
}
|
||
|
|
#define MAXSTRINGSIZE 0x1000
|
||
|
|
int printf (const char *fmt, ...) {
|
||
|
|
char * p = malloc(MAXSTRINGSIZE);
|
||
|
|
va_list ap;
|
||
|
|
va_start(ap, fmt);
|
||
|
|
int size = vsnprintf(p, MAXSTRINGSIZE, fmt, ap);
|
||
|
|
va_end(ap);
|
||
|
|
if (size < 0) return 0;
|
||
|
|
p [size] = '\0';
|
||
|
|
PrintOut(p, size);
|
||
|
|
free(p);
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
signed int snprintf (char *pStr, size_t length, const char *fmt, ...) {
|
||
|
|
va_list ap;
|
||
|
|
va_start(ap, fmt);
|
||
|
|
int size = vsnprintf(pStr, length, fmt, ap);
|
||
|
|
va_end(ap);
|
||
|
|
if (size < 0) return 0;
|
||
|
|
pStr [size] = '\0';
|
||
|
|
return size;
|
||
|
|
}
|