#include <stdarg.h>
#ifndef REGTEST
+#include <_PDCLIB_io.h>
-int vsnprintf( char * _PDCLIB_restrict s, size_t n, const char * _PDCLIB_restrict format, _PDCLIB_va_list arg )
+int vsnprintf( char * _PDCLIB_restrict s,
+ size_t n,
+ const char * _PDCLIB_restrict format,
+ _PDCLIB_va_list arg )
{
/* TODO: This function should interpret format as multibyte characters. */
struct _PDCLIB_status_t status;
if ( ( *format != '%' ) || ( ( rc = _PDCLIB_print( format, &status ) ) == format ) )
{
/* No conversion specifier, print verbatim */
- s[ status.i++ ] = *(format++);
+ if ( status.i < n )
+ {
+ s[ status.i ] = *format;
+ }
+ status.i++;
+ format++;
}
else
{
format = rc;
}
}
- s[ status.i ] = '\0';
+ if ( status.i < n )
+ {
+ s[ status.i ] = '\0';
+ }
va_end( status.arg );
return status.i;
}