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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/stdlib/bsearch.c
parentInitial commit. (diff)
downloadwasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz
wasi-libc-upstream/0.0_git20221206.8b7148f.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/stdlib/bsearch.c')
-rw-r--r--libc-top-half/musl/src/stdlib/bsearch.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/stdlib/bsearch.c b/libc-top-half/musl/src/stdlib/bsearch.c
new file mode 100644
index 0000000..fe050ea
--- /dev/null
+++ b/libc-top-half/musl/src/stdlib/bsearch.c
@@ -0,0 +1,20 @@
+#include <stdlib.h>
+
+void *bsearch(const void *key, const void *base, size_t nel, size_t width, int (*cmp)(const void *, const void *))
+{
+ void *try;
+ int sign;
+ while (nel > 0) {
+ try = (char *)base + width*(nel/2);
+ sign = cmp(key, try);
+ if (sign < 0) {
+ nel /= 2;
+ } else if (sign > 0) {
+ base = (char *)try + width;
+ nel -= nel/2+1;
+ } else {
+ return try;
+ }
+ }
+ return NULL;
+}