[libxml2] Fix errors in XSD double validation check

[Daniel Veillard <veillard src gnome org>]

commit 5f8f5e7add065dc569b999179ff25e475376a901
Author: Csaba Raduly <rcsaba gmail com>
Date:   Wed Jul 28 11:41:23 2010 +0200

    Fix errors in XSD double validation check
    
    - xmlschemastypes.c: "e" and "E" should not be accespted as is, digits
      are needed

 xmlschemastypes.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/xmlschemastypes.c b/xmlschemastypes.c
index 1ce21e1..5347283 100644
--- a/xmlschemastypes.c
+++ b/xmlschemastypes.c
@@ -2389,9 +2389,11 @@ xmlSchemaValAtomicType(xmlSchemaTypePtr type, const xmlChar * value,
 		normOnTheFly);
             break;
         case XML_SCHEMAS_FLOAT:
-        case XML_SCHEMAS_DOUBLE:{
+        case XML_SCHEMAS_DOUBLE: {
                 const xmlChar *cur = value;
                 int neg = 0;
+                int digits_before = 0;
+                int digits_after = 0;
 
 		if (normOnTheFly)
 		    while IS_WSP_BLANK_CH(*cur) cur++;
@@ -2464,12 +2466,17 @@ xmlSchemaValAtomicType(xmlSchemaTypePtr type, const xmlChar * value,
                     goto return1;
                 while ((*cur >= '0') && (*cur <= '9')) {
                     cur++;
+                    digits_before++;
                 }
                 if (*cur == '.') {
                     cur++;
-                    while ((*cur >= '0') && (*cur <= '9'))
+                    while ((*cur >= '0') && (*cur <= '9')) {
                         cur++;
+                        digits_after++;
+                    }
                 }
+                if (digits_before + digits_after == 0)
+                    goto return1;
                 if ((*cur == 'e') || (*cur == 'E')) {
                     cur++;
                     if ((*cur == '-') || (*cur == '+'))