From b04971d91a46d34b5e643ee2e8164171b6247216 Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Wed, 13 Aug 2014 16:47:51 +0200 Subject: add inline isspace in ctype.h as an optimization isspace can be a bottleneck in a simple parser, inlining it gives slightly smaller and faster code src/locale/pleval.o already had this optimization, the size change for other libc functions for i386 is src/internal/intscan.o 2134 2118 -16 src/locale/dcngettext.o 1562 1552 -10 src/network/res_msend.o 1961 1940 -21 src/network/lookup_name.o 2627 2608 -19 src/network/getnameinfo.o 1814 1811 -3 src/network/lookup_serv.o 643 624 -19 src/stdio/vfscanf.o 2675 2663 -12 src/stdlib/atoll.o 117 107 -10 src/stdlib/atoi.o 95 91 -4 src/stdlib/atol.o 95 91 -4 src/time/strptime.o 1515 1503 -12 (TOTALS) 432451 432321 -130 --- include/ctype.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/ctype.h b/include/ctype.h index 8f0d1687..a6f44df2 100644 --- a/include/ctype.h +++ b/include/ctype.h @@ -22,13 +22,18 @@ int isxdigit(int); int tolower(int); int toupper(int); +static __inline int __isspace(int _c) +{ + return _c == ' ' || (unsigned)_c-'\t' < 5; +} + #define isalpha(a) ((((unsigned)(a)|32)-'a') < 26) #define isdigit(a) (((unsigned)(a)-'0') < 10) #define islower(a) (((unsigned)(a)-'a') < 26) #define isupper(a) (((unsigned)(a)-'A') < 26) #define isprint(a) (((unsigned)(a)-0x20) < 0x5f) #define isgraph(a) (((unsigned)(a)-0x21) < 0x5e) - +#define isspace(a) __isspace(a) #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ -- cgit v1.2.1