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 * string vector load support
1N/A */
1N/A
1N/A#include <ast.h>
1N/A#include <vecargs.h>
1N/A
1N/A/*
1N/A * load a string vector from lines in buf
1N/A * buf may be modified on return
1N/A *
1N/A * each line in buf is treated as a new vector element
1N/A * lines with # as first char are comments
1N/A * \ as the last char joins consecutive lines
1N/A *
1N/A * the vector ends with a 0 sentinel
1N/A *
1N/A * the string array pointer is returned
1N/A */
1N/A
1N/Achar**
1N/Avecload(char* buf)
1N/A{
1N/A register char* s;
1N/A register int n;
1N/A register char** p;
1N/A char** vec;
1N/A
1N/A vec = 0;
1N/A n = (*buf == '#') ? -1 : 0;
1N/A for (s = buf;; s++)
1N/A {
1N/A if (*s == '\n')
1N/A {
1N/A if (s > buf && *(s - 1) == '\\') *(s - 1) = *s = ' ';
1N/A else
1N/A {
1N/A *s = 0;
1N/A if (*(s + 1) != '#')
1N/A {
1N/A n++;
1N/A if (!*(s + 1)) break;
1N/A }
1N/A }
1N/A }
1N/A else if (!*s)
1N/A {
1N/A n++;
1N/A break;
1N/A }
1N/A }
1N/A if (n < 0) n = 0;
1N/A if (p = newof(0, char*, n + 3, 0))
1N/A {
1N/A *p++ = s = buf;
1N/A vec = ++p;
1N/A if (n > 0) for (;;)
1N/A {
1N/A if (*s != '#')
1N/A {
1N/A *p++ = s;
1N/A if (--n <= 0) break;
1N/A }
1N/A while (*s) s++;
1N/A s++;
1N/A }
1N/A *p = 0;
1N/A *(vec - 1) = (char*)p;
1N/A }
1N/A return(vec);
1N/A}