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patches/gmp/4.2.2/100-mpf_set_str.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Wed Dec 05 20:31:43 2012 +0100 (2012-12-05)
changeset 3134 863723936e24
parent 466 7f9bbf94b0bb
permissions -rw-r--r--
scripts/xldd: use user's sed and grep

xldd uses sed and grep as detected by ./configure. This works well if is
used on the machine that build the toolchain.

But if the user moves the toolchain to another machine where sed and grep
are not in the same directory (eg. /bin/sed vs. /usr/bin/sed), then xldd
will stop functionning.

Fix that by using ${SED} and ${GREP} if they are set in the environment.

Reported-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 
     1 Original patch from http://gmplib.org/patches/mpf_set_str.c.diff

     2 Re-diffed to match crosstool-NG conventions.

     3 

     4 diff -dur gmp-4.2.2.orig/mpf/set_str.c gmp-4.2.2/mpf/set_str.c

     5 --- gmp-4.2.2.orig/mpf/set_str.c	2007-08-30 20:31:40.000000000 +0200

     6 +++ gmp-4.2.2/mpf/set_str.c	2008-01-28 23:05:29.000000000 +0100

     7 @@ -271,8 +271,29 @@

     8        }

     9  

    10      if (expptr != 0)

    11 -      /* FIXME: Should do some error checking here.  */

    12 -      exp_in_base = strtol (expptr, (char **) 0, exp_base);

    13 +      {

    14 +	/* Scan and convert the exponent, in base exp_base.  */

    15 +	long dig, neg = -(long) ('-' == expptr[0]);

    16 +	expptr -= neg;			/* conditional increment */

    17 +	c = (unsigned char) *expptr++;

    18 +	dig = digit_value[c];

    19 +	if (dig >= exp_base)

    20 +	  {

    21 +	    TMP_FREE;

    22 +	    return -1;

    23 +	  }

    24 +	exp_in_base = dig;

    25 +	c = (unsigned char) *expptr++;

    26 +	dig = digit_value[c];

    27 +	while (dig < exp_base)

    28 +	  {

    29 +	    exp_in_base = exp_in_base * exp_base;

    30 +	    exp_in_base += dig;

    31 +	    c = (unsigned char) *expptr++;

    32 +	    dig = digit_value[c];

    33 +	  }

    34 +	exp_in_base = (exp_in_base ^ neg) - neg; /* conditional negation */

    35 +      }

    36      else

    37        exp_in_base = 0;

    38      if (dotpos != 0)
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