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-rw-r--r--libc/string/memchr.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/libc/string/memchr.c b/libc/string/memchr.c
index d0aa004d7..288bd9748 100644
--- a/libc/string/memchr.c
+++ b/libc/string/memchr.c
@@ -1,14 +1,40 @@
/*
+ * Copyright (C) 2002 Manuel Novoa III
* Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
-#define L_memchr
-#define Wmemchr __memchr
+#include "_string.h"
-#include "wstring.c"
+#ifdef WANT_WIDE
+# define __Wmemchr __wmemchr
+# define Wmemchr wmemchr
+#else
+# define __Wmemchr __memchr
+# define Wmemchr memchr
+#endif
-strong_alias(__memchr, memchr)
+Wvoid attribute_hidden *__Wmemchr(const Wvoid *s, Wint c, size_t n)
+{
+ register const Wuchar *r = (const Wuchar *) s;
+#ifdef __BCC__
+ /* bcc can optimize the counter if it thinks it is a pointer... */
+ register const char *np = (const char *) n;
+#else
+# define np n
+#endif
-#undef L_memchr
+ while (np) {
+ if (*r == ((Wuchar)c)) {
+ return (Wvoid *) r; /* silence the warning */
+ }
+ ++r;
+ --np;
+ }
+
+ return NULL;
+}
+#undef np
+
+strong_alias(__Wmemchr,Wmemchr)