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commit: c86b0416025b4b3f8555295a89c64e233803fef2 |
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Author: Mike Frysinger <vapier <AT> gentoo <DOT> org> |
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AuthorDate: Sun Sep 20 20:41:28 2015 +0000 |
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Commit: Mike Frysinger <vapier <AT> gentoo <DOT> org> |
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CommitDate: Sun Sep 20 20:41:28 2015 +0000 |
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URL: https://gitweb.gentoo.org/proj/sandbox.git/commit/?id=c86b0416 |
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|
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libsandbox: use memchr to speed up NUL byte search |
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|
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Signed-off-by: Mike Frysinger <vapier <AT> gentoo.org> |
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|
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libsandbox/trace.c | 5 ++--- |
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1 file changed, 2 insertions(+), 3 deletions(-) |
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|
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diff --git a/libsandbox/trace.c b/libsandbox/trace.c |
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index ed05c4d..47d2bdf 100644 |
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--- a/libsandbox/trace.c |
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+++ b/libsandbox/trace.c |
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@@ -123,9 +123,8 @@ static char *do_peekstr(unsigned long lptr) |
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strerror(e)); |
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} |
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|
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- for (i = 0; i < liov.iov_len; ++i) |
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- if (!((char *)liov.iov_base)[i]) |
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- return ret; |
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+ if (memchr(liov.iov_base, '\0', liov.iov_len) != NULL) |
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+ return ret; |
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riov.iov_base += l; |
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riov.iov_len = liov.iov_len = l; |
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len += l; |
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