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In Perl_my_clearenv(), under -DPERL_USE_SAFE_PUTENV, don't use
author
Nicholas Clark
<nick@ccl4.org>
Wed, 17 Oct 2007 16:06:21 +0000
(16:06 +0000)
committer
Nicholas Clark
<nick@ccl4.org>
Wed, 17 Oct 2007 16:06:21 +0000
(16:06 +0000)
strlcpy() to forcibly truncate a string to a known length, when
memcpy() and a write of '\0' will not only make the intent clear, but
also do that exact job more efficiently.
p4raw-id: //depot/perl@32125
util.c
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diff --git
a/util.c
b/util.c
index
83a6709
..
f75e5a7
100644
(file)
--- a/
util.c
+++ b/
util.c
@@
-5685,7
+5685,8
@@
Perl_my_clearenv(pTHX)
bsiz = l + 1; /* + 1 for the \0. */
buf = (char*)safesysmalloc(bufsiz);
}
- my_strlcpy(buf, *environ, l + 1);
+ memcpy(buf, *environ, l);
+ buf[l] = '\0';
(void)unsetenv(buf);
}
(void)safesysfree(buf);