X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fatof-generic.c;h=b1deec0ad2012fb78867cdb36132e3e29cea88cc;hb=934c26326909f953aaa15edb423dd4af6f33c448;hp=c4d3161d3e94899e29abbce46835318ed5acc17a;hpb=2da5c03714e1f97bb83d05114e97dcf92eb17b64;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/atof-generic.c b/gas/atof-generic.c index c4d3161d3e..b1deec0ad2 100644 --- a/gas/atof-generic.c +++ b/gas/atof-generic.c @@ -1,25 +1,22 @@ /* 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 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 - Software Foundation, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#include + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #include "as.h" #include "safe-ctype.h" @@ -103,7 +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 @@ -308,6 +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; @@ -365,7 +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); @@ -458,13 +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; @@ -482,8 +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; @@ -574,7 +572,6 @@ atof_generic (/* return pointer to just AFTER number we read. */ (void) putchar ('\n'); #endif } - } /* @@ -588,6 +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; }