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-rw-r--r--libc/string/strncmp.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/libc/string/strncmp.c b/libc/string/strncmp.c
index d36003ab6..ad80ce8e5 100644
--- a/libc/string/strncmp.c
+++ b/libc/string/strncmp.c
@@ -1,14 +1,42 @@
/*
+ * 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_strncmp
-#define Wstrncmp __strncmp
+#include "_string.h"
-#include "wstring.c"
+#ifdef WANT_WIDE
+# define __Wstrncmp __wcsncmp
+# define Wstrncmp wcsncmp
+#else
+# define __Wstrncmp __strncmp
+# define Wstrncmp strncmp
+#endif
-strong_alias(__strncmp, strncmp)
+int attribute_hidden __Wstrncmp(register const Wchar *s1, register const Wchar *s2, size_t n)
+{
+#ifdef WANT_WIDE
+ while (n && (*((Wuchar *)s1) == *((Wuchar *)s2))) {
+ if (!*s1++) {
+ return 0;
+ }
+ ++s2;
+ --n;
+ }
-#undef L_strncmp
+ return (n == 0) ? 0 : ((*((Wuchar *)s1) < *((Wuchar *)s2)) ? -1 : 1);
+#else
+ int r = 0;
+
+ while (n--
+ && ((r = ((int)(*((unsigned char *)s1))) - *((unsigned char *)s2++))
+ == 0)
+ && *s1++);
+
+ return r;
+#endif
+}
+
+strong_alias(__Wstrncmp,Wstrncmp)