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#include <stdarg.h>
#include <stdint.h>
#include <string.h>
#include <heap.h>
extern char *itoa(int, char *, int);
void _exit(int code)
{
(void)code;
for (;;);
}
int ksnprintf(char *buf, unsigned int count, const char *format, ...)
{
(void)count;
va_list args;
va_start(args, format);
unsigned int i = 0, o = 0;
while (o < count && format[i] != '\0') {
if (format[i] == '%') {
if (format[i + 1] == 'd') {
char *s = itoa(va_arg(args, int), malloc(16), 10);
strncpy(buf + o, s, count - o);
o += strlen(s);
free(s);
} else if (format[i + 1] == 'f') {
strncpy(buf + o, "float", count - o);
o += 5;
}
i++;
} else {
buf[o++] = format[i];
}
i++;
}
return o;
}
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