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uemacs/usage.c

28 lines
509 B
C

/* usage.c -- implements usage.h */
/* TODO: align exit return code */
#include "usage.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
static void report( const char *prefix, const char *err, va_list params) {
char msg[ 4096] ;
vsnprintf( msg, sizeof msg, err, params) ;
fprintf( stderr, "%s%s\n", prefix, msg) ;
}
void die( const char *err, ...) {
va_list params ;
va_start( params, err) ;
report( "fatal: ", err, params) ;
va_end( params) ;
exit( 128) ;
}
/* end of usage.c */