[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libc/string/strcasestr.c b/ap/build/uClibc/libc/string/strcasestr.c
new file mode 100644
index 0000000..3334086
--- /dev/null
+++ b/ap/build/uClibc/libc/string/strcasestr.c
@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+#include "_string.h"
+#include <ctype.h>
+
+char *strcasestr(const char *s1, const char *s2)
+{
+ register const char *s = s1;
+ register const char *p = s2;
+
+#if 1
+ do {
+ if (!*p) {
+ return (char *) s1;;
+ }
+ if ((*p == *s)
+ || (tolower(*((unsigned char *)p)) == tolower(*((unsigned char *)s)))
+ ) {
+ ++p;
+ ++s;
+ } else {
+ p = s2;
+ if (!*s) {
+ return NULL;
+ }
+ s = ++s1;
+ }
+ } while (1);
+#else
+ while (*p && *s) {
+ if ((*p == *s)
+ || (tolower(*((unsigned char *)p)) == tolower(*((unsigned char *)s)))
+ ) {
+ ++p;
+ ++s;
+ } else {
+ p = s2;
+ s = ++s1;
+ }
+ }
+
+ return (*p) ? NULL : (char *) s1;
+#endif
+}
+libc_hidden_def(strcasestr)