[GitHub] [qpid-dispatch] ganeshmurthy commented on a change in pull request #599: DISPATCH-1461: correct the logging of long addresses on attach

[GitBox <gi...@apache.org>]

ganeshmurthy commented on a change in pull request #599: DISPATCH-1461: correct the logging of long addresses on attach
URL: https://github.com/apache/qpid-dispatch/pull/599#discussion_r339191358
 
 

 ##########
 File path: src/router_core/terminus.c
 ##########
 @@ -76,30 +76,49 @@ void qdr_terminus_free(qdr_terminus_t *term)
 }
 
 
+// DISPATCH-1461: snprintf() is evil - it returns >= size on overflow.  This
+// wrapper will never return >= size, even if truncated.  This makes it safe to
+// do pointer & length arithmetic without overflowing the destination buffer in
+// qdr_terminus_format()
+//
+static inline int safe_snprintf(char *str, size_t size, const char *format, ...)
 
 Review comment:
   should this function be in some place like src/aprinf.h so it can be used by everybody ?

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