[analyzer] Add security checks for bcmp(), bcopy(), bzero().

These functions are obsolete. The analyzer would advice to replace them with
memcmp(), memcpy() or memmove(), or memset().

Patch by Tom Rix!

Differential Revision: https://reviews.llvm.org/D41881

llvm-svn: 333326

1 files changed, 34 insertions, 0 deletions

diff --git a/clang/www/analyzer/available_checks.html b/clang/www/analyzer/available_checks.html
index b9c7846aa23..f764e0a1978 100644
--- a/clang/www/analyzer/available_checks.html
+++ b/clang/www/analyzer/available_checks.html
@@ -1173,6 +1173,40 @@ void test() {
 
 
 <tr><td><div class="namedescr expandable"><span class="name">
+security.insecureAPI.bcmp</span><span class="lang">
+(C)</span><div class="descr">
+Warn on uses of the <code>bcmp</code> function.</div></div></td>
+<td><div class="exampleContainer expandable">
+<div class="example"><pre>
+void test() {
+  bcmp(ptr0, ptr1, n); // warn
+}
+</pre></div></div></td></tr>
+
+<tr><td><div class="namedescr expandable"><span class="name">
+security.insecureAPI.bcopy</span><span class="lang">
+(C)</span><div class="descr">
+Warn on uses of the <code>bcopy</code> function.</div></div></td>
+<td><div class="exampleContainer expandable">
+<div class="example"><pre>
+void test() {
+  bcopy(src, dst, n); // warn
+}
+</pre></div></div></td></tr>
+
+<tr><td><div class="namedescr expandable"><span class="name">
+security.insecureAPI.bzero</span><span class="lang">
+(C)</span><div class="descr">
+Warn on uses of the <code>bzero</code> function.</div></div></td>
+<td><div class="exampleContainer expandable">
+<div class="example"><pre>
+void test() {
+  bzero(ptr, n); // warn
+}
+</pre></div></div></td></tr>
+
+
+<tr><td><div class="namedescr expandable"><span class="name">
 security.insecureAPI.getpw</span><span class="lang">
 (C)</span><div class="descr">
 Warn on uses of the <code>getpw</code> function.</div></div></td>