[26997] in CVS-changelog-for-Kerberos-V5
krb5 commit: Add zapfreestr() helper to k5-int.h
daemon@ATHENA.MIT.EDU (Greg Hudson)
Mon Sep 10 12:28:56 2012
Date: Mon, 10 Sep 2012 12:28:31 -0400
From: Greg Hudson <ghudson@mit.edu>
Message-Id: <201209101628.q8AGSVmL022851@drugstore.mit.edu>
To: cvs-krb5@mit.edu
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https://github.com/krb5/krb5/commit/0633f8317017a7d3ac4ac94c2321d20362f33653
commit 0633f8317017a7d3ac4ac94c2321d20362f33653
Author: Greg Hudson <ghudson@mit.edu>
Date: Mon Sep 10 12:28:09 2012 -0400
Add zapfreestr() helper to k5-int.h
Since zapfree(str, strlen(str)) won't work for possibly-null values of
str, add a helper zapfreestr() which only calls strlen() if the string
value is non-null.
src/include/k5-int.h | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/include/k5-int.h b/src/include/k5-int.h
index d119d02..670915d 100644
--- a/src/include/k5-int.h
+++ b/src/include/k5-int.h
@@ -675,6 +675,16 @@ zapfree(void *ptr, size_t len)
}
}
+/* Convenience function: zap and free zero-terminated str if it is non-NULL. */
+static inline void
+zapfreestr(void *str)
+{
+ if (str != NULL) {
+ zap(str, strlen((char *)str));
+ free(str);
+ }
+}
+
/*
* Combine two keys (normally used by the hardware preauth mechanism)
*/
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