From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 7 Apr 2000 03:57:06 +0000 (+0000)
Subject: Handle hexadecimal numbers with leading digit != 1 correctly and more than
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5942ee569df05b5905cd7744b48b9759710bb101;p=thirdparty%2Fglibc.git

Handle hexadecimal numbers with leading digit != 1 correctly and more than
one digit before decimal point.
---

diff --git a/stdlib/strtod.c b/stdlib/strtod.c
index 7502799edf9..f2ff79f6df4 100644
--- a/stdlib/strtod.c
+++ b/stdlib/strtod.c
@@ -797,11 +797,15 @@ INTERNAL (STRTOF) (nptr, endptr, group LOCALE_PARAM)
 
       while (!ISXDIGIT (*startp))
 	++startp;
+      while (*startp == L_('0'))
+	++startp;
       if (ISDIGIT (*startp))
 	val = *startp++ - L_('0');
       else
 	val = 10 + TOLOWER (*startp++) - L_('a');
       bits = nbits[val];
+      /* We cannot have a leading zero.  */
+      assert (bits != 0);
 
       if (pos + 1 >= 4 || pos + 1 >= bits)
 	{
@@ -819,6 +823,9 @@ INTERNAL (STRTOF) (nptr, endptr, group LOCALE_PARAM)
 	  pos = BITS_PER_MP_LIMB - 1 - (bits - pos - 1);
 	}
 
+      /* Adjust the exponent for the bits we are shifting in.  */
+      exponent += bits - 1 + (int_no - 1) * 4;
+
       while (--dig_no > 0 && idx >= 0)
 	{
 	  while (!ISXDIGIT (*startp))