Bug 626195 - Hunspell topcrash [@ AffixMgr::suffix_check ]. r=ehsan, a=blocking-final+

--HG--
extra : rebase_source : 0de9e63da54030544a4e667eb6d32988d688f97a

extensions/spellcheck/hunspell/src/README.hunspell

@@ -36,7 +36,7 @@
 ******* END LICENSE BLOCK *******
 
 Hunspell Version: 1.2.12
-Additional Patches: 583582
+Additional Patches: 583582, 586671, 586686, 603311, 617953, 626195
 
 Hunspell Author: László Németh
 MySpell Author: Kevin Hendricks & David Einstein

extensions/spellcheck/hunspell/src/affixmgr.cpp

@@ -2478,6 +2478,7 @@ struct hentry * AffixMgr::suffix_check (const char * word, int len,
     }
 
     // now handle the general case
+    if (len == 0) return NULL; // FULLSTRIP
     unsigned char sp = *((const unsigned char *)(word + len - 1));
     SfxEntry * sptr = sStart[sp];
 
@@ -2545,6 +2546,7 @@ struct hentry * AffixMgr::suffix_check_twosfx(const char * word, int len,
     }
 
     // now handle the general case
+    if (len == 0) return NULL; // FULLSTRIP
     unsigned char sp = *((const unsigned char *)(word + len - 1));
     SfxEntry * sptr = sStart[sp];
 
@@ -2607,6 +2609,7 @@ char * AffixMgr::suffix_check_twosfx_morph(const char * word, int len,
     }
 
     // now handle the general case
+    if (len == 0) return NULL; // FULLSTRIP
     unsigned char sp = *((const unsigned char *)(word + len - 1));
     SfxEntry * sptr = sStart[sp];
 
@@ -2713,6 +2716,7 @@ char * AffixMgr::suffix_check_morph(const char * word, int len,
     }
 
     // now handle the general case
+    if (len == 0) return NULL; // FULLSTRIP
     unsigned char sp = *((const unsigned char *)(word + len - 1));
     SfxEntry * sptr = sStart[sp];