Mercurial > projects > ldc
view dmd2/lstring.c @ 1083:c1e9f612e2e2
Fix for dual operand form of fistp, also make reg ST(0) explicit and fix lindquists
previous code that allowed dual operand form of fstp but dissallowed the single
operand form accidently
author | Kelly Wilson <wilsonk cpsc.ucalgary.ca> |
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date | Tue, 10 Mar 2009 06:23:26 -0600 |
parents | 356e65836fb5 |
children |
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// lstring.c // Copyright (c) 1999-2002 by Digital Mars // All Rights Reserved // written by Walter Bright // www.digitalmars.com // License for redistribution is by either the Artistic License // in artistic.txt, or the GNU General Public License in gnu.txt. // See the included readme.txt for details. #include <stdlib.h> #include "dchar.h" #include "mem.h" #include "lstring.h" #ifdef _MSC_VER // prevent compiler internal crash Lstring Lstring::zero; #else Lstring Lstring::zero = LSTRING_EMPTY(); #endif Lstring *Lstring::ctor(const dchar *p, unsigned length) { Lstring *s; s = alloc(length); memcpy(s->string, p, length * sizeof(dchar)); return s; } Lstring *Lstring::alloc(unsigned length) { Lstring *s; s = (Lstring *)mem.malloc(size(length)); s->length = length; s->string[length] = 0; return s; } Lstring *Lstring::append(const Lstring *s) { Lstring *t; if (!s->length) return this; t = alloc(length + s->length); memcpy(t->string, string, length * sizeof(dchar)); memcpy(t->string + length, s->string, s->length * sizeof(dchar)); return t; } Lstring *Lstring::substring(int start, int end) { Lstring *t; if (start == end) return &zero; t = alloc(end - start); memcpy(t->string, string + start, (end - start) * sizeof(dchar)); return t; }