[libc-commits] [libc] [libc] add doc for search.h (PR #80492)

via libc-commits libc-commits at lists.llvm.org
Fri Feb 2 12:50:31 PST 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Schrodinger ZHU Yifan (SchrodingerZhu)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/80492.diff


2 Files Affected:

- (modified) libc/docs/index.rst (+1) 
- (added) libc/docs/search.rst (+85) 


``````````diff
diff --git a/libc/docs/index.rst b/libc/docs/index.rst
index 2740e9152703b..0d72c1651457d 100644
--- a/libc/docs/index.rst
+++ b/libc/docs/index.rst
@@ -66,6 +66,7 @@ stages there is no ABI stability in any form.
    strings
    stdio
    stdbit
+   search
 
 .. toctree::
    :hidden:
diff --git a/libc/docs/search.rst b/libc/docs/search.rst
new file mode 100644
index 0000000000000..5fbb4c5673475
--- /dev/null
+++ b/libc/docs/search.rst
@@ -0,0 +1,85 @@
+=============
+Search Tables
+=============
+
+.. include:: check.rst
+
+---------------
+Source location
+---------------
+
+-   The main source for bitwise utility functions is located at:
+    ``libc/src/search``.
+
+-   Hashtable implementation is located at:
+    ``libc/src/__support/HashTable``.
+
+-   The tests are located at:
+    ``libc/test/src/search/``.
+
+---------------------
+Implementation Status
+---------------------
+
+POSIX Standard Types
+====================
+
+============================ =========
+Type Name                    Available
+============================ =========
+ACTION                       |check|
+ENTRY                        |check|
+VISIT                        
+============================ =========
+
+
+GNU Extension Types
+===================
+
+============================ ================= =========
+Type Name                    Associated Macro  Available
+============================ ================= ========= 
+struct qelem                 
+__compar_fn_t                __COMPAR_FN_T
+comparison_fn_t
+__action_fn_t                __ACTION_FN_T
+__free_fn_t
+============================ ================= =========
+
+
+POSIX Standard Functions
+========================
+
+============================ =========
+Function Name                Available
+============================ =========
+hcreate                      |check|
+hdestroy                     |check|
+hsearch                      |check|
+insque                       
+lfind                        
+lsearch                      
+remque
+tdelete
+tfind
+tsearch
+twalk
+============================ =========
+
+
+GNU Extension Functions
+=======================
+
+=========================  =========
+Function Name              Available
+=========================  =========
+hsearch_r                  |check|
+hcreate_r                  |check|
+hdestroy_r                 |check|
+twalk_r
+=========================  =========
+
+
+Standards
+=========
+search.h is specified in POSIX.1-200x (Portable Operating System Interface, Volume1: Base Specifications).

``````````

</details>


https://github.com/llvm/llvm-project/pull/80492


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