zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/stdio/fgets.c b/ap/build/uClibc/libc/stdio/fgets.c
new file mode 100644
index 0000000..bc710c7
--- /dev/null
+++ b/ap/build/uClibc/libc/stdio/fgets.c
@@ -0,0 +1,87 @@
+/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#include "_stdio.h"
+
+
+#ifdef __DO_UNLOCKED
+
+
+char *fgets_unlocked(char *__restrict s, int n,
+ register FILE * __restrict stream)
+{
+ register char *p;
+ int c;
+
+ __STDIO_STREAM_VALIDATE(stream);
+
+#ifdef __UCLIBC_MJN3_ONLY__
+#warning CONSIDER: What should fgets do if n <= 0?
+#endif /* __UCLIBC_MJN3_ONLY__ */
+ /* Should we assert here? Or set errno? Or just fail... */
+ if (n <= 0) {
+/* __set_errno(EINVAL); */
+ goto ERROR;
+ }
+
+ p = s;
+
+ while (--n) {
+ if (__STDIO_STREAM_CAN_USE_BUFFER_GET(stream)) {
+ if ((*p++ = __STDIO_STREAM_BUFFER_GET(stream)) == '\n') {
+ break;
+ }
+ } else {
+ if ((c = __fgetc_unlocked(stream)) == EOF) {
+ if (__FERROR_UNLOCKED(stream)) {
+ goto ERROR;
+ }
+ break;
+ }
+ if ((*p++ = c) == '\n') {
+ break;
+ }
+ }
+ }
+
+#ifdef __UCLIBC_MJN3_ONLY__
+#warning CONSIDER: If n==1 and not at EOF, should fgets return an empty string?
+#endif /* __UCLIBC_MJN3_ONLY__ */
+ if (p > s) {
+ *p = 0;
+ return s;
+ }
+
+ ERROR:
+ return NULL;
+}
+libc_hidden_def(fgets_unlocked)
+
+#ifndef __UCLIBC_HAS_THREADS__
+strong_alias(fgets_unlocked,fgets)
+libc_hidden_def(fgets)
+#endif
+
+#elif defined __UCLIBC_HAS_THREADS__
+
+char *fgets(char *__restrict s, int n,
+ register FILE * __restrict stream)
+{
+ char *retval;
+ __STDIO_AUTO_THREADLOCK_VAR;
+
+ __STDIO_AUTO_THREADLOCK(stream);
+
+ retval = fgets_unlocked(s, n, stream);
+
+ __STDIO_AUTO_THREADUNLOCK(stream);
+
+ return retval;
+}
+libc_hidden_def(fgets)
+
+#endif