X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fatof-generic.c;h=b1deec0ad2012fb78867cdb36132e3e29cea88cc;hb=c4212e111cdd46d3b7da8b60c5adf39b8654e3c6;hp=3021c4c861bbd1aefd3e339a44ec7f9ccc1f0179;hpb=ebd1c8757cf3f32daffe2615cbb778e495ebe412;p=deliverable%2Fbinutils-gdb.git

diff --git a/gas/atof-generic.c b/gas/atof-generic.c
index 3021c4c861..b1deec0ad2 100644
--- a/gas/atof-generic.c
+++ b/gas/atof-generic.c
@@ -1,18 +1,17 @@
 /* atof_generic.c - turn a string of digits into a Flonum
-   Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
-   2001, 2003, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1987-2016 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
    GAS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
-   GAS is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
+   GAS is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
 
    You should have received a copy of the GNU General Public License
    along with GAS; see the file COPYING.  If not, write to the Free
@@ -101,7 +100,7 @@ atof_generic (/* return pointer to just AFTER number we read.  */
   int seen_significant_digit;
 
 #ifdef ASSUME_DECIMAL_MARK_IS_DOT
-  assert (string_of_decimal_marks[0] == '.'
+  gas_assert (string_of_decimal_marks[0] == '.'
 	  && string_of_decimal_marks[1] == 0);
 #define IS_DECIMAL_MARK(c)	((c) == '.')
 #else
@@ -306,6 +305,8 @@ atof_generic (/* return pointer to just AFTER number we read.  */
     {
       int count;		/* Number of useful digits left to scan.  */
 
+      LITTLENUM_TYPE *temporary_binary_low = NULL;
+      LITTLENUM_TYPE *power_binary_low = NULL;
       LITTLENUM_TYPE *digits_binary_low;
       unsigned int precision;
       unsigned int maximum_useful_digits;
@@ -363,7 +364,7 @@ atof_generic (/* return pointer to just AFTER number we read.  */
 	* sizeof (LITTLENUM_TYPE);
 
       digits_binary_low = (LITTLENUM_TYPE *)
-	alloca (size_of_digits_in_chars);
+	xmalloc (size_of_digits_in_chars);
 
       memset ((char *) digits_binary_low, '\0', size_of_digits_in_chars);
 
@@ -456,13 +457,11 @@ atof_generic (/* return pointer to just AFTER number we read.  */
 	 * giving return_binary_mantissa and return_binary_exponent.
 	 */
 
-	LITTLENUM_TYPE *power_binary_low;
 	int decimal_exponent_is_negative;
 	/* This refers to the "-56" in "12.34E-56".  */
 	/* FALSE: decimal_exponent is positive (or 0) */
 	/* TRUE:  decimal_exponent is negative */
 	FLONUM_TYPE temporary_flonum;
-	LITTLENUM_TYPE *temporary_binary_low;
 	unsigned int size_of_power_in_littlenums;
 	unsigned int size_of_power_in_chars;
 
@@ -480,8 +479,9 @@ atof_generic (/* return pointer to just AFTER number we read.  */
 	size_of_power_in_chars = size_of_power_in_littlenums
 	  * sizeof (LITTLENUM_TYPE) + 2;
 
-	power_binary_low = (LITTLENUM_TYPE *) alloca (size_of_power_in_chars);
-	temporary_binary_low = (LITTLENUM_TYPE *) alloca (size_of_power_in_chars);
+	power_binary_low = (LITTLENUM_TYPE *) xmalloc (size_of_power_in_chars);
+	temporary_binary_low = (LITTLENUM_TYPE *) xmalloc (size_of_power_in_chars);
+
 	memset ((char *) power_binary_low, '\0', size_of_power_in_chars);
 	*power_binary_low = 1;
 	power_of_10_flonum.exponent = 0;
@@ -572,7 +572,6 @@ atof_generic (/* return pointer to just AFTER number we read.  */
 	  (void) putchar ('\n');
 #endif
 	}
-
       }
 
       /*
@@ -586,6 +585,11 @@ atof_generic (/* return pointer to just AFTER number we read.  */
       /* Assert sign of the number we made is '+'.  */
       address_of_generic_floating_point_number->sign = digits_sign_char;
 
+      if (temporary_binary_low)
+	free (temporary_binary_low);
+      if (power_binary_low)
+	free (power_binary_low);
+      free (digits_binary_low);
     }
   return return_value;
 }