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-rw-r--r--REORG.TODO/misc/lsearch.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/REORG.TODO/misc/lsearch.c b/REORG.TODO/misc/lsearch.c
new file mode 100644
index 0000000000..8eb3809ff8
--- /dev/null
+++ b/REORG.TODO/misc/lsearch.c
@@ -0,0 +1,58 @@
+/* Linear search functions.
+ Copyright (C) 1996-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <search.h>
+#include <string.h>
+
+
+void *
+lsearch (const void *key, void *base, size_t *nmemb, size_t size,
+ __compar_fn_t compar)
+{
+ void *result;
+
+ /* Try to find it. */
+ result = lfind (key, base, nmemb, size, compar);
+ if (result == NULL)
+ {
+ /* Not available. Insert at the end. */
+ result = memcpy (base + (*nmemb) * size, key, size);
+ ++(*nmemb);
+ }
+
+ return result;
+}
+
+
+void *
+lfind (const void *key, const void *base, size_t *nmemb, size_t size,
+ __compar_fn_t compar)
+{
+ const void *result = base;
+ size_t cnt = 0;
+
+ while (cnt < *nmemb && (*compar) (key, result) != 0)
+ {
+ result += size;
+ ++cnt;
+ }
+
+ return cnt < *nmemb ? (void *) result : NULL;
+}
+libc_hidden_def (lfind)