Please describe the problem:
PING uses ternary operator. But 'g_print' has no return-value.
Both operands should have return-value of the same type.

Steps to reproduce:
1. compile pangowin32.c

Actual results:
following messages are displayed. (Visual C++ 6.0)
pangowin32.c(267) : error C4053: one void operand for '?:'
pangowin32.c(1512) : error C4053: one void operand for '?:'
pangowin32.c(1530) : error C4053: one void operand for '?:'
pangowin32.c(1554) : error C4053: one void operand for '?:'
pangowin32.c(1560) : error C4053: one void operand for '?:'
pangowin32.c(1568) : error C4053: one void operand for '?:'
pangowin32.c(1572) : error C4053: one void operand for '?:'

Expected results:
For example,
#ifdef PANGO_WIN32_DEBUGGING
#ifdef __GNUC__
#define PING(printlist)                                 \
(pango_win32_debug ?                                    \
 (g_print ("%s:%d ", __PRETTY_FUNCTION__, __LINE__),    \
  g_print printlist,                                    \
  g_print ("\n")), 0 :                                  \
 0)
#else
#define PING(printlist)                                 \
(pango_win32_debug ?                                    \
 (g_print ("%s:%d ", __FILE__, __LINE__),               \
  g_print printlist,                                    \
  g_print ("\n")), 0 :                                  \
 0)
#endif
#else  /* !PANGO_WIN32_DEBUGGING */
#define PING(printlist)
#endif

Does this happen every time?
every time

Other information: