third-party libs

third-party/curl-7.21.4/docs/examples/ftpupload.c

@@ -0,0 +1,120 @@
+/*****************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <curl/curl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#ifdef WIN32
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+
+/*
+ * This example shows an FTP upload, with a rename of the file just after
+ * a successful upload.
+ *
+ * Example based on source code provided by Erick Nuwendam. Thanks!
+ */
+
+#define LOCAL_FILE      "/tmp/uploadthis.txt"
+#define UPLOAD_FILE_AS  "while-uploading.txt"
+#define REMOTE_URL      "ftp://example.com/"  UPLOAD_FILE_AS
+#define RENAME_FILE_TO  "renamed-and-fine.txt"
+
+/* NOTE: if you want this example to work on Windows with libcurl as a
+   DLL, you MUST also provide a read callback with CURLOPT_READFUNCTION.
+   Failing to do so will give you a crash since a DLL may not use the
+   variable's memory when passed in to it from an app like this. */
+static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
+{
+  /* in real-world cases, this would probably get this data differently
+     as this fread() stuff is exactly what the library already would do
+     by default internally */
+  size_t retcode = fread(ptr, size, nmemb, stream);
+
+  fprintf(stderr, "*** We read %d bytes from file\n", retcode);
+  return retcode;
+}
+
+int main(void)
+{
+  CURL *curl;
+  CURLcode res;
+  FILE *hd_src;
+  struct stat file_info;
+  curl_off_t fsize;
+
+  struct curl_slist *headerlist=NULL;
+  static const char buf_1 [] = "RNFR " UPLOAD_FILE_AS;
+  static const char buf_2 [] = "RNTO " RENAME_FILE_TO;
+
+  /* get the file size of the local file */
+  if(stat(LOCAL_FILE, &file_info)) {
+    printf("Couldnt open '%s': %s\n", LOCAL_FILE, strerror(errno));
+    return 1;
+  }
+  fsize = (curl_off_t)file_info.st_size;
+
+  printf("Local file size: %" CURL_FORMAT_CURL_OFF_T " bytes.\n", fsize);
+
+  /* get a FILE * of the same file */
+  hd_src = fopen(LOCAL_FILE, "rb");
+
+  /* In windows, this will init the winsock stuff */
+  curl_global_init(CURL_GLOBAL_ALL);
+
+  /* get a curl handle */
+  curl = curl_easy_init();
+  if(curl) {
+    /* build a list of commands to pass to libcurl */
+    headerlist = curl_slist_append(headerlist, buf_1);
+    headerlist = curl_slist_append(headerlist, buf_2);
+
+    /* we want to use our own read function */
+    curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
+
+    /* enable uploading */
+    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
+
+    /* specify target */
+    curl_easy_setopt(curl,CURLOPT_URL, REMOTE_URL);
+
+    /* pass in that last of FTP commands to run after the transfer */
+    curl_easy_setopt(curl, CURLOPT_POSTQUOTE, headerlist);
+
+    /* now specify which file to upload */
+    curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
+
+    /* Set the size of the file to upload (optional).  If you give a *_LARGE
+       option you MUST make sure that the type of the passed-in argument is a
+       curl_off_t. If you use CURLOPT_INFILESIZE (without _LARGE) you must
+       make sure that to pass in a type 'long' argument. */
+    curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
+                     (curl_off_t)fsize);
+
+    /* Now run off and do what you've been told! */
+    res = curl_easy_perform(curl);
+
+    /* clean up the FTP commands list */
+    curl_slist_free_all (headerlist);
+
+    /* always cleanup */
+    curl_easy_cleanup(curl);
+  }
+  fclose(hd_src); /* close the local file */
+
+  curl_global_cleanup();
+  return 0;
+}