Robert Shearman : dbghelp: Avoid accessing a negative string index when parsing stabs entries with an empty string .

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: f9053b91bfbf906d85533f2f943dfbe7b460d5f9
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=f9053b91bfbf906d85533f2f943dfbe7b460d5f9

Author: Robert Shearman <rob at codeweavers.com>
Date:   Mon Jul 17 12:10:04 2006 +0100

dbghelp: Avoid accessing a negative string index when parsing stabs entries with an empty string.

---

 dlls/dbghelp/stabs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/dbghelp/stabs.c b/dlls/dbghelp/stabs.c
index e75b150..dd9a70c 100644
--- a/dlls/dbghelp/stabs.c
+++ b/dlls/dbghelp/stabs.c
@@ -1213,7 +1213,7 @@ BOOL stabs_parse(struct module* module, 
             WARN("Bad stabs string %p\n", ptr);
             continue;
         }
-        if (ptr[strlen(ptr) - 1] == '\\')
+        if (*ptr != '\0' && (ptr[strlen(ptr) - 1] == '\\'))
         {
             /*
              * Indicates continuation.  Append this to the buffer, and go onto the