com32/lib/sys/vesa/debug.h

   1 #ifndef LIB_SYS_VESA_DEBUG_H
   2 #define LIB_SYS_VESA_DEBUG_H
   3
   4 #if 0
   5
   6 #include <stdio.h>
   7 #include <unistd.h>
   8
   9 ssize_t __serial_write(void *fp, const void *buf, size_t count);
  10
  11 static void debug(const char *str, ...)
  12 {
  13   va_list va;
  14   char buf[65536];
  15   size_t len;
  16
  17   va_start(va, str);
  18   len = vsnprintf(buf, sizeof buf, str, va);
  19   va_end(va);
  20
  21   if (len >= sizeof buf)
  22     len = sizeof buf - 1;
  23
  24   __serial_write(NULL, buf, len);
  25 }
  26
  27 #else
  28
  29 static inline void debug(const char *str, ...)
  30 {
  31   (void)str;
  32 }
  33
  34 #endif
  35
  36 #endif /* LIB_SYS_VESA_DEBUG_H */