#include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <assert.h> #include "error.h" extern void warn (const char * fmt, ...) { va_list args ; assert (fmt != NULL) ; va_start (args, fmt) ; fprintf (stderr, "wmmenu warning: ") ; vfprintf (stderr, fmt, args) ; fprintf (stderr, "\n") ; va_end (args) ; } extern void error (const char * fmt, ...) { va_list args ; assert (fmt != NULL) ; va_start (args, fmt) ; fprintf (stderr, "wmmenu error: ") ; vfprintf (stderr, fmt, args) ; fprintf (stderr, "\n") ; va_end (args) ; exit (EXIT_FAILURE) ; }