Attachment 31911 Details for Bug 52972 – ash.patch

[patch] ash.patch

ash.patch (text/plain; charset=us-ascii), 11.82 KB, created by Wartan Hachaturow on 2003-08-22 23:27:21 UTC

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Creator: Wartan Hachaturow

Created: 2003-08-22 23:27:21 UTC

Size: 11.82 KB

patch

obsolete

>diff -u ./FreeBSD_ASH_HEAD.orig/arith.h ./FreeBSD_ASH_HEAD/arith.h
>--- ./FreeBSD_ASH_HEAD.orig/arith.h	Thu Aug  7 14:17:27 2003
>+++ ./FreeBSD_ASH_HEAD/arith.h	Thu Aug  7 14:17:43 2003
>@@ -31,8 +31,9 @@
>  * SUCH DAMAGE.
>  *
>  *	@(#)arith.h	1.1 (Berkeley) 5/4/95
>- * $FreeBSD: src/bin/sh/arith.h,v 1.6 2002/02/02 06:50:45 imp Exp $
>+ * $FreeBSD: src/bin/sh/arith.h,v 1.5.2.1 2002/07/19 04:38:51 tjr Exp $
>  */
> 
>+int arith_assign(char *, arith_t);
> int arith(char *);
> int expcmd(int , char **);
>diff -u ./FreeBSD_ASH_HEAD.orig/arith.y ./FreeBSD_ASH_HEAD/arith.y
>--- ./FreeBSD_ASH_HEAD.orig/arith.y	Thu Aug  7 14:17:27 2003
>+++ ./FreeBSD_ASH_HEAD/arith.y	Fri Aug 22 16:23:05 2003
>@@ -1,5 +1,65 @@
>-%token ARITH_NUM ARITH_LPAREN ARITH_RPAREN
>+%{
>+/*-
>+ * Copyright (c) 1993
>+ *	The Regents of the University of California.  All rights reserved.
>+ *
>+ * This code is derived from software contributed to Berkeley by
>+ * Kenneth Almquist.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ * 3. All advertising materials mentioning features or use of this software
>+ *    must display the following acknowledgement:
>+ *	This product includes software developed by the University of
>+ *	California, Berkeley and its contributors.
>+ * 4. Neither the name of the University nor the names of its contributors
>+ *    may be used to endorse or promote products derived from this software
>+ *    without specific prior written permission.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
>+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
>+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
>+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
>+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
>+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
>+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
>+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
>+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
>+ * SUCH DAMAGE.
>+ */
> 
>+#ifndef lint
>+#if 0
>+static char sccsid[] = "@(#)arith.y	8.3 (Berkeley) 5/4/95";
>+#endif
>+#endif /* not lint */
>+#include <sys/cdefs.h>
>+__FBSDID("$FreeBSD: src/bin/sh/arith.y,v 1.10.2.2 2002/07/19 04:38:51 tjr Exp $");
>+
>+#include <limits.h>
>+#include "shell.h"
>+#include "var.h"
>+%}
>+%union {
>+	arith_t l_value;
>+	char* s_value;
>+}
>+%token <l_value> ARITH_NUM ARITH_LPAREN ARITH_RPAREN
>+%token <s_value> ARITH_VAR
>+
>+%type <l_value>	expr
>+%right ARITH_ASSIGN
>+%right ARITH_ADDASSIGN ARITH_SUBASSIGN
>+%right ARITH_MULASSIGN ARITH_DIVASSIGN ARITH_REMASSIGN
>+%right ARITH_RSHASSIGN ARITH_LSHASSIGN
>+%right ARITH_BANDASSIGN ARITH_BXORASSIGN ARITH_BORASSIGN
> %left ARITH_OR
> %left ARITH_AND
> %left ARITH_BOR
>@@ -18,7 +78,6 @@
> 		}
> 	;
> 
>-
> expr:	ARITH_LPAREN expr ARITH_RPAREN = { $$ = $2; }
> 	| expr ARITH_OR expr	= { $$ = $1 ? $1 : $3 ? $3 : 0; }
> 	| expr ARITH_AND expr	= { $$ = $1 ? ( $3 ? $3 : 0 ) : 0; }
>@@ -51,62 +110,139 @@
> 	| ARITH_SUB expr %prec ARITH_UNARYMINUS = { $$ = -($2); }
> 	| ARITH_ADD expr %prec ARITH_UNARYPLUS = { $$ = $2; }
> 	| ARITH_NUM
>+	| ARITH_VAR 	{
>+				char *p;
>+				arith_t arith_val;
>+				char *str_val;
>+
>+				if (lookupvar($1) == NULL)
>+					setvarsafe($1, "0", 0);
>+				str_val = lookupvar($1);
>+				arith_val = strtoarith_t(str_val, &p, 0);
>+				/*
>+				 * Conversion is successful only in case
>+				 * we've converted _all_ characters.
>+				 */
>+				if (*p != '\0')
>+					yyerror("variable conversion error");
>+				$$ = arith_val;
>+			}
>+	| ARITH_VAR ARITH_ASSIGN expr {
>+						if (arith_assign($1, $3) != 1)
>+							yyerror("variable assignment error");
>+						$$ = $3;
>+					}
>+	| ARITH_VAR ARITH_ADDASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) + $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_SUBASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) - $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_MULASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) * $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_DIVASSIGN expr {
>+						arith_t value;
>+
>+						if ($3 == 0)
>+							yyerror("division by zero");
>+
>+						value = atoarith_t(lookupvar($1)) / $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_REMASSIGN expr {
>+						arith_t value;
>+
>+						if ($3 == 0)
>+							yyerror("division by zero");
>+
>+						value = atoarith_t(lookupvar($1)) % $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_RSHASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) >> $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_LSHASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) << $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_BANDASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) & $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_BXORASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) ^ $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
>+	| ARITH_VAR ARITH_BORASSIGN expr {
>+						arith_t value;
>+
>+						value = atoarith_t(lookupvar($1)) | $3;
>+						if (arith_assign($1, value) != 0)
>+							yyerror("variable assignment error");
>+						$$ = value;
>+					}
> 	;
> %%
>-/*-
>- * Copyright (c) 1993
>- *	The Regents of the University of California.  All rights reserved.
>- *
>- * This code is derived from software contributed to Berkeley by
>- * Kenneth Almquist.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- * 3. All advertising materials mentioning features or use of this software
>- *    must display the following acknowledgement:
>- *	This product includes software developed by the University of
>- *	California, Berkeley and its contributors.
>- * 4. Neither the name of the University nor the names of its contributors
>- *    may be used to endorse or promote products derived from this software
>- *    without specific prior written permission.
>- *
>- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
>- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
>- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
>- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
>- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
>- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
>- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
>- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
>- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
>- * SUCH DAMAGE.
>- */
>-
>-#ifndef lint
>-#if 0
>-static char sccsid[] = "@(#)arith.y	8.3 (Berkeley) 5/4/95";
>-#endif
>-#endif /* not lint */
>-#include <sys/cdefs.h>
>-__FBSDID("$FreeBSD: src/bin/sh/arith.y,v 1.14 2003/05/01 16:58:56 obrien Exp $");
>-
>-#include "shell.h"
> #include "error.h"
> #include "output.h"
> #include "memalloc.h"
> 
>+#define lstrlen(var) (3 + (2 + CHAR_BIT * sizeof((var))) / 3)
>+
> char *arith_buf, *arith_startbuf;
> extern void arith_lex_reset();
> 
> int yylex(void);
> int yyparse(void);
>+
>+int
>+arith_assign(char *name, arith_t value) {
>+	char *str;
>+	int ret;
>+
>+	str = (char *)ckmalloc(lstrlen(value));
>+	sprintf(str, ARITH_FORMAT_STR, value);
>+	ret = setvarsafe(name, str, 0);
>+	free(str);
>+	return ret;
>+}
> 
> int
> arith(char *s)
>diff -u ./FreeBSD_ASH_HEAD.orig/arith_lex.l ./FreeBSD_ASH_HEAD/arith_lex.l
>--- ./FreeBSD_ASH_HEAD.orig/arith_lex.l	Thu Aug  7 14:17:27 2003
>+++ ./FreeBSD_ASH_HEAD/arith_lex.l	Fri Aug 22 16:30:51 2003
>@@ -41,12 +41,14 @@
> #endif
> #endif /* not lint */
> #include <sys/cdefs.h>
>-__FBSDID("$FreeBSD: src/bin/sh/arith_lex.l,v 1.18 2003/05/01 16:58:56 obrien Exp $");
>+__FBSDID("$FreeBSD: src/bin/sh/arith_lex.l,v 1.14.2.2 2002/07/19 04:38:51 tjr Exp $");
> 
>+#include "shell.h"
> #include "y.tab.h"
> #include "error.h"
>+#include "var.h"
>+#include "memalloc.h"
> 
>-extern int yylval;
> extern char *arith_buf, *arith_startbuf;
> #undef YY_INPUT
> #define YY_INPUT(buf,result,max) \
>@@ -56,7 +58,36 @@
> 
> %%
> [ \t\n]	{ ; }
>-[0-9]+	{ yylval = atol(yytext); return(ARITH_NUM); }
>+
>+0x[a-fA-F0-9]+	{
>+		yylval.l_value = strtoarith_t(yytext, NULL, 16);
>+		return(ARITH_NUM);
>+		}
>+
>+0[0-7]+	{
>+		yylval.l_value = strtoarith_t(yytext, NULL, 8);
>+		return(ARITH_NUM);
>+		}
>+
>+[0-9]+		{
>+		yylval.l_value = strtoarith_t(yytext, NULL, 10);
>+		return(ARITH_NUM);
>+		}
>+
>+
>+[A-Za-z][A-Za-z0-9_]*	{
>+			/*
>+			 * If variable doesn't exist, we should  initialize
>+			 * it to zero.
>+			 */
>+			char *temp;
>+			if (lookupvar(yytext) == NULL)
>+				setvarsafe(yytext, "0", 0);
>+			temp = (char *)ckmalloc(strlen(yytext) + 1);
>+			yylval.s_value = strcpy(temp, yytext);
>+
>+			return(ARITH_VAR);
>+		}
> "("	{ return(ARITH_LPAREN); }
> ")"	{ return(ARITH_RPAREN); }
> "||"	{ return(ARITH_OR); }
>@@ -79,6 +110,17 @@
> "-"	{ return(ARITH_SUB); }
> "~"	{ return(ARITH_BNOT); }
> "!"	{ return(ARITH_NOT); }
>+"="	{ return(ARITH_ASSIGN); }
>+"+="	{ return(ARITH_ADDASSIGN); }
>+"-="	{ return(ARITH_SUBASSIGN); }
>+"*="	{ return(ARITH_MULASSIGN); }
>+"/="	{ return(ARITH_DIVASSIGN); }
>+"%="	{ return(ARITH_REMASSIGN); }
>+">>="	{ return(ARITH_RSHASSIGN); }
>+"<<="	{ return(ARITH_LSHASSIGN); }
>+"&="	{ return(ARITH_BANDASSIGN); }
>+"^="	{ return(ARITH_BXORASSIGN); }
>+"|="	{ return(ARITH_BORASSIGN); }
> .	{ error("arith: syntax error: \"%s\"\n", arith_startbuf); }
> %%
> 
>Common subdirectories: ./FreeBSD_ASH_HEAD.orig/bltin and ./FreeBSD_ASH_HEAD/bltin
>Common subdirectories: ./FreeBSD_ASH_HEAD.orig/funcs and ./FreeBSD_ASH_HEAD/funcs
>diff -u ./FreeBSD_ASH_HEAD.orig/shell.h ./FreeBSD_ASH_HEAD/shell.h
>--- ./FreeBSD_ASH_HEAD.orig/shell.h	Thu Aug  7 14:17:27 2003
>+++ ./FreeBSD_ASH_HEAD/shell.h	Fri Aug 22 16:29:39 2003
>@@ -51,6 +51,14 @@
> #define JOBS 1
> /* #define DEBUG 1 */
> 
>+/*
>+ * Type of used arithmetics. SUSv3 requires us to have at least signed long.
>+ */
>+typedef long arith_t;
>+#define strtoarith_t(nptr, endptr, base)	strtol(nptr, endptr, base)
>+#define atoarith_t(arg)				strtol(arg, NULL, 0)
>+#define ARITH_FORMAT_STR					"%ld"
>+
> typedef void *pointer;
> #define STATIC  static
> #define MKINIT	/* empty */

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Attachments on bug 52972: 31910 | 31911