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Added detection of empty shapes ("") which are now cleared (+warning)

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Changed rcs string to #ident directive
This commit is contained in:
Thomas Jensen 1999-03-24 17:29:12 +00:00
parent aba8957f51
commit 403c6ee4d6
1 changed files with 25 additions and 8 deletions
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33
src/parser.y
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@ -4,14 +4,17 @@
* Date created: March 16, 1999 (Tuesday, 17:17h)
* Author: Thomas Jensen
* tsjensen@stud.informatik.uni-erlangen.de
* Version: $Id$
* Version: $Id: parser.y,v 1.2 1999/03/19 17:57:20 tsjensen Exp tsjensen $
* Language: yacc (ANSI C)
* Purpose: Yacc parser for boxes configuration files
* Remarks: ---
*
* Revision History:
*
* $Log$
* $Log: parser.y,v $
* Revision 1.2 1999/03/19 17:57:20 tsjensen
* ... still programming ...
*
* Revision 1.1 1999/03/18 15:10:06 tsjensen
* Initial revision
*
@ -22,12 +25,10 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string.h>
#include "boxes.h"
static const char rcsid_parser_y[] =
"$Id$";
#ident "$Id: parser.y,v 1.2 1999/03/19 17:57:20 tsjensen Exp tsjensen $";
static int pflicht = 0;
@ -218,7 +219,7 @@ int perform_se_check()
int num;
char *s;
shape_t shape;
offset_t offset;
soffset_t offset;
sentry_t sentry;
}
@ -440,7 +441,23 @@ elist_entries: elist_entries ',' SHAPE
slist: '(' slist_entries ')'
{
$$ = $2;
sentry_t rval = $2;
if (rval.width == 0 || rval.height == 0) {
int i;
for (i=0; i<rval.height; ++i)
BFREE (rval.chars[i]);
BFREE (rval.chars);
yyerror ("warning: minimum shape dimension is 1x1 - clearing.");
$$ = (sentry_t) { NULL, 0, 0, 0 };
}
else {
$$ = $2;
}
}
| '(' ')'