1 /* $NetBSD: strtold_subr.c,v 1.1 2006/03/15 17:35:18 kleink Exp $ */ 2 3 /* 4 * Written by Klaus Klein <kleink (at) NetBSD.org>, November 16, 2005. 5 * Public domain. 6 */ 7 8 /* 9 * NOTICE: This is not a standalone file. To use it, #include it in 10 * the format-specific strtold_*.c, like so: 11 * 12 * #define GDTOA_LD_FMT <gdtoa extended-precision format code> 13 * #include "strtold_subr.c" 14 */ 15 #include <LibConfig.h> 16 #include <sys/EfiCdefs.h> 17 18 #include "namespace.h" 19 #include <math.h> 20 #include <sys/stdint.h> 21 #include <stdlib.h> 22 #include "gdtoa.h" 23 24 #ifdef __weak_alias 25 __weak_alias(strtold, _strtold) 26 #endif 27 28 #ifndef __HAVE_LONG_DOUBLE 29 #error no extended-precision long double type 30 #endif 31 32 #ifndef GDTOA_LD_FMT 33 #error GDTOA_LD_FMT must be defined by format-specific source file 34 #endif 35 36 #define STRTOP(x) __CONCAT(strtop, x) 37 38 long double 39 strtold(const char *nptr, char **endptr) 40 { 41 long double ld; 42 43 (void)STRTOP(GDTOA_LD_FMT)(nptr, endptr, &ld); 44 return ld; 45 } 46