1N/A/***********************************************************************
1N/A* *
1N/A* This software is part of the ast package *
1N/A* Copyright (c) 1985-2011 AT&T Intellectual Property *
1N/A* and is licensed under the *
1N/A* Common Public License, Version 1.0 *
1N/A* by AT&T Intellectual Property *
1N/A* *
1N/A* A copy of the License is available at *
1N/A* http://www.opensource.org/licenses/cpl1.0.txt *
1N/A* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
1N/A* *
1N/A* Information and Software Systems Research *
1N/A* AT&T Research *
1N/A* Florham Park NJ *
1N/A* *
1N/A* Glenn Fowler <gsf@research.att.com> *
1N/A* David Korn <dgk@research.att.com> *
1N/A* Phong Vo <kpv@research.att.com> *
1N/A* *
1N/A***********************************************************************/
1N/A#pragma prototyped
1N/A/*
1N/A * Glenn Fowler
1N/A * AT&T Bell Laboratories
1N/A *
1N/A * convert a 0 terminated character constant string to an int
1N/A */
1N/A
1N/A#include <ast.h>
1N/A
1N/Aint
1N/Achrtoi(register const char* s)
1N/A{
1N/A register int c;
1N/A register int n;
1N/A register int x;
1N/A char* p;
1N/A
1N/A c = 0;
1N/A for (n = 0; n < sizeof(int) * CHAR_BIT; n += CHAR_BIT)
1N/A {
1N/A switch (x = *((unsigned char*)s++))
1N/A {
1N/A case '\\':
1N/A x = chresc(s - 1, &p);
1N/A s = (const char*)p;
1N/A break;
1N/A case 0:
1N/A return(c);
1N/A }
1N/A c = (c << CHAR_BIT) | x;
1N/A }
1N/A return(c);
1N/A}