[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/libbb/wfopen.c b/ap/app/busybox/src/libbb/wfopen.c
new file mode 100644
index 0000000..76dc8b8
--- /dev/null
+++ b/ap/app/busybox/src/libbb/wfopen.c
@@ -0,0 +1,56 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+#include "libbb.h"
+
+FILE* FAST_FUNC fopen_or_warn(const char *path, const char *mode)
+{
+ FILE *fp = fopen(path, mode);
+ if (!fp) {
+ bb_simple_perror_msg(path);
+ //errno = 0; /* why? */
+ }
+ return fp;
+}
+
+FILE* FAST_FUNC fopen_for_read(const char *path)
+{
+ return fopen(path, "r");
+}
+
+FILE* FAST_FUNC xfopen_for_read(const char *path)
+{
+ return xfopen(path, "r");
+}
+
+FILE* FAST_FUNC fopen_for_write(const char *path)
+{
+ return fopen(path, "w");
+}
+
+FILE* FAST_FUNC xfopen_for_write(const char *path)
+{
+ return xfopen(path, "w");
+}
+
+static FILE* xfdopen_helper(unsigned fd_and_rw_bit)
+{
+ FILE* fp = fdopen(fd_and_rw_bit >> 1, fd_and_rw_bit & 1 ? "w" : "r");
+ if (!fp)
+ bb_error_msg_and_die(bb_msg_memory_exhausted);
+ return fp;
+}
+FILE* FAST_FUNC xfdopen_for_read(int fd)
+{
+ return xfdopen_helper(fd << 1);
+}
+FILE* FAST_FUNC xfdopen_for_write(int fd)
+{
+ return xfdopen_helper((fd << 1) + 1);
+}