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(resolve_sr_conflict): Remove use of alloca.

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This commit is contained in:
Richard M. Stallman
1995-10-15 20:01:09 +00:00
parent 95e742f778
commit b65534e5a4
1 changed files with 4 additions and 20 deletions
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24
src/conflicts.c
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@@ -1,5 +1,5 @@
/* Find and resolve or report look-ahead conflicts for bison, /* Find and resolve or report look-ahead conflicts for bison,
Copyright (C) 1984, 1989 Free Software Foundation, Inc. Copyright (C) 1984, 1989, 1992 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler. This file is part of Bison, the GNU Compiler Compiler.
@@ -17,9 +17,6 @@ You should have received a copy of the GNU General Public License
along with Bison; see the file COPYING. If not, write to along with Bison; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef _AIX
#pragma alloca
#endif
#include <stdio.h> #include <stdio.h>
#include "system.h" #include "system.h"
#include "machine.h" #include "machine.h"
@@ -29,19 +26,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "state.h" #include "state.h"
#ifndef __GNUC__
#undef alloca
#define alloca __builtin_alloca
#else
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#else
#ifndef _AIX
extern char *alloca ();
#endif
#endif
#endif
extern char **tags; extern char **tags;
extern int tokensetsize; extern int tokensetsize;
extern char *consistent; extern char *consistent;
@@ -190,8 +174,7 @@ int lookaheadnum;
register unsigned *fp1; register unsigned *fp1;
register unsigned *fp2; register unsigned *fp2;
register int redprec; register int redprec;
/* Extra parens avoid errors on Ultrix 4.3. */ errs *errp = (errs *) xmalloc (sizeof(errs) + ntokens * sizeof(short));
errs *errp = (errs *) alloca ((sizeof(errs) + ntokens * sizeof(short)));
short *errtokens = errp->errs; short *errtokens = errp->errs;
/* find the rule to reduce by to get precedence of reduction */ /* find the rule to reduce by to get precedence of reduction */
@@ -276,6 +259,7 @@ int lookaheadnum;
} }
else else
err_table[state] = 0; err_table[state] = 0;
free(errp);
} }
@@ -644,7 +628,7 @@ int state;
fp3 = lookaheadset; fp3 = lookaheadset;
while (fp3 < fp4) while (fp3 < fp4)
*fp3++ = *fp1++ & ( ~ (*fp2++)); *fp3++ = *fp1++ & (~(*fp2++));
count = 0; count = 0;
mask = 1; mask = 1;