zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/src/tool_cb_wrt.c b/ap/lib/libcurl/curl-7.54.1/src/tool_cb_wrt.c
new file mode 100644
index 0000000..6c08943
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/src/tool_cb_wrt.c
@@ -0,0 +1,159 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "tool_setup.h"
+
+#define ENABLE_CURLX_PRINTF
+/* use our own printf() functions */
+#include "curlx.h"
+
+#include "tool_cfgable.h"
+#include "tool_msgs.h"
+#include "tool_cb_wrt.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+/* create a local file for writing, return TRUE on success */
+bool tool_create_output_file(struct OutStruct *outs)
+{
+ struct GlobalConfig *global = outs->config->global;
+ FILE *file;
+
+ if(!outs->filename || !*outs->filename) {
+ warnf(global, "Remote filename has no length!\n");
+ return FALSE;
+ }
+
+ if(outs->is_cd_filename) {
+ /* don't overwrite existing files */
+ file = fopen(outs->filename, "rb");
+ if(file) {
+ fclose(file);
+ warnf(global, "Refusing to overwrite %s: %s\n", outs->filename,
+ strerror(EEXIST));
+ return FALSE;
+ }
+ }
+
+ /* open file for writing */
+ file = fopen(outs->filename, "wb");
+ if(!file) {
+ warnf(global, "Failed to create the file %s: %s\n", outs->filename,
+ strerror(errno));
+ return FALSE;
+ }
+ outs->s_isreg = TRUE;
+ outs->fopened = TRUE;
+ outs->stream = file;
+ outs->bytes = 0;
+ outs->init = 0;
+ return TRUE;
+}
+
+/*
+** callback for CURLOPT_WRITEFUNCTION
+*/
+
+size_t tool_write_cb(char *buffer, size_t sz, size_t nmemb, void *userdata)
+{
+ size_t rc;
+ struct OutStruct *outs = userdata;
+ struct OperationConfig *config = outs->config;
+
+ /*
+ * Once that libcurl has called back tool_write_cb() the returned value
+ * is checked against the amount that was intended to be written, if
+ * it does not match then it fails with CURLE_WRITE_ERROR. So at this
+ * point returning a value different from sz*nmemb indicates failure.
+ */
+ const size_t failure = (sz && nmemb) ? 0 : 1;
+
+ if(!config)
+ return failure;
+
+#ifdef DEBUGBUILD
+ if(config->include_headers) {
+ if(sz * nmemb > (size_t)CURL_MAX_HTTP_HEADER) {
+ warnf(config->global, "Header data size exceeds single call write "
+ "limit!\n");
+ return failure;
+ }
+ }
+ else {
+ if(sz * nmemb > (size_t)CURL_MAX_WRITE_SIZE) {
+ warnf(config->global, "Data size exceeds single call write limit!\n");
+ return failure;
+ }
+ }
+
+ {
+ /* Some internal congruency checks on received OutStruct */
+ bool check_fails = FALSE;
+ if(outs->filename) {
+ /* regular file */
+ if(!*outs->filename)
+ check_fails = TRUE;
+ if(!outs->s_isreg)
+ check_fails = TRUE;
+ if(outs->fopened && !outs->stream)
+ check_fails = TRUE;
+ if(!outs->fopened && outs->stream)
+ check_fails = TRUE;
+ if(!outs->fopened && outs->bytes)
+ check_fails = TRUE;
+ }
+ else {
+ /* standard stream */
+ if(!outs->stream || outs->s_isreg || outs->fopened)
+ check_fails = TRUE;
+ if(outs->alloc_filename || outs->is_cd_filename || outs->init)
+ check_fails = TRUE;
+ }
+ if(check_fails) {
+ warnf(config->global, "Invalid output struct data for write callback\n");
+ return failure;
+ }
+ }
+#endif
+
+ if(!outs->stream && !tool_create_output_file(outs))
+ return failure;
+
+ rc = fwrite(buffer, sz, nmemb, outs->stream);
+
+ if((sz * nmemb) == rc)
+ /* we added this amount of data to the output */
+ outs->bytes += (sz * nmemb);
+
+ if(config->readbusy) {
+ config->readbusy = FALSE;
+ curl_easy_pause(config->easy, CURLPAUSE_CONT);
+ }
+
+ if(config->nobuffer) {
+ /* output buffering disabled */
+ int res = fflush(outs->stream);
+ if(res)
+ return failure;
+ }
+
+ return rc;
+}