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Fix some problems with empty commands.

This commit is contained in:
mycroft 1994-07-07 20:53:32 +00:00
parent 7fdb1ca08c
commit aaed410145
1 changed files with 9 additions and 1 deletions
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10
bin/sh/parser.c
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@ -36,7 +36,7 @@
#ifndef lint
/*static char sccsid[] = "from: @(#)parser.c 8.1 (Berkeley) 5/31/93";*/
static char *rcsid = "$Id: parser.c,v 1.18 1994/06/14 05:49:25 jtc Exp $";
static char *rcsid = "$Id: parser.c,v 1.19 1994/07/07 20:53:32 mycroft Exp $";
#endif /* not lint */
#include "shell.h"
@ -451,8 +451,16 @@ TRACE(("expecting DO got %s %s\n", tokname[got], got == TWORD ? wordtext : ""));
checkkwd = 1;
break;
/* Handle an empty command like other simple commands. */
case TSEMI:
/*
* An empty command before a ; doesn't make much sense, and
* should certainly be disallowed in the case of `if ;'.
*/
if (!redir)
synexpect(-1);
case TNL:
case TWORD:
case TRP:
tokpushback++;
return simplecmd(rpp, redir);
default: