69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/* $Id$ */
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "file_info.h"
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#include "input.h"
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#define INP_TYPE struct file_info
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#define INP_VAR finfo
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struct file_info finfo;
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#include <inp_pkg.body>
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#include <alloc.h>
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char *
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getwdir(fn)
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char *fn;
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{
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register char *p;
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char *strrchr();
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p = strrchr(fn, '/');
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while (p && *(p + 1) == '\0') { /* remove trailing /'s */
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*p = '\0';
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p = strrchr(fn, '/');
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}
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if (fn[0] == '\0' || (fn[0] == '/' && p == &fn[0])) /* absolute path */
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return "";
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else
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if (p) {
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*p = '\0';
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fn = Salloc(fn, p - &fn[0] + 1);
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*p = '/';
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return fn;
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}
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else return "";
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}
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int NoUnstack;
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int Unstacked;
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int InputLevel;
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AtEoIT()
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{
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/* if (NoUnstack) warning("unexpected EOF"); ??? */
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/* This is wrong; in an #elif, NoUnstack can be set, but you
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can still get calls to AtEoIT().
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*/
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InputLevel--;
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DoUnstack();
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return 0;
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}
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AtEoIF()
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{
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extern int nestlevel;
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extern int nestcount;
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extern int svnestlevel[];
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if (nestlevel > svnestlevel[nestcount]) warning("missing #endif");
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else if (NoUnstack) warning("unexpected EOF");
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nestlevel = svnestlevel[nestcount--];
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return 0;
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}
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