stresc.c

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/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
/*
 * Glenn Fowler
 * AT&T Bell Laboratories
 *
 * convert \x character constants in s in place
 */
 
#include "config.h"
 
#include <ast/ast.h>
 
void stresc(char *s)
{
    char *t;
    int c;
    char *p;
 
    t = s;
    for (;;) {
        switch (c = *s++) {
        case '\\':
            c = chresc(s - 1, &p);
            s = p;
            break;
        case 0:
            *t = 0;
            return;
        default: // nothing required
            break;
        }
        *t++ = c;
    }
}