X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=para.h;h=d17a5613a30798932a695d9aa99f6452218403ba;hp=9ee318e54e4cb1dae4798f41d60c9187dde517b2;hb=d5af72bb0148e2df6fac6aba10a64e48dab212fd;hpb=84f3cda92d0fb3d072b1a2d9bf8c2156c18d6398 diff --git a/para.h b/para.h index 9ee318e5..d17a5613 100644 --- a/para.h +++ b/para.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1997-2007 Andre Noll + * Copyright (C) 1997-2008 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -213,7 +213,22 @@ static inline long int para_random(unsigned max) } /** Round up x to a multiple of y */ -#define ROUND_UP(x, y) (((x) + (y - 1) / (y)) * (y)) +#define ROUND_UP(x, y) (((x) + ((y) - 1) / (y)) * (y)) /** Get the size of an array */ #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +/** + * Wrapper for isspace. + * NetBSD needs this. + */ +/* + * The values should be cast to an unsigned char first, then to int. + * Why? Because the isdigit (as do all other is/to functions/macros) + * expect a number from 0 upto and including 255 as their (int) argument. + * Because char is signed on most systems, casting it to int immediately + * gives the functions an argument between -128 and 127 (inclusive), + * which they will use as an array index, and which will thus fail + * horribly for characters which have their most significant bit set. + */ +#define para_isspace(c) isspace((int)(unsigned char)(c))