[GNUnet-SVN] [gnurl] 112/153: curl-compilers: enable -Wbad-function-cast on GCC

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in repository gnurl.

commit 60776a0515c2a8f572902ad5bcc9f63eeaeafa84
Author: Marcel Raad <address@hidden>
AuthorDate: Mon Jul 9 18:43:55 2018 +0200

    curl-compilers: enable -Wbad-function-cast on GCC
    
    This warning used to be enabled only for clang as it's a bit stricter
    on GCC. Silence the remaining occurrences and enable it on GCC too.
    
    Closes https://github.com/curl/curl/pull/2747
---
 docs/examples/sslbackend.c | 4 ++--
 m4/curl-compilers.m4       | 1 +
 src/tool_cb_see.c          | 4 +++-
 tests/libtest/lib650.c     | 5 ++++-
 tests/server/sockfilt.c    | 3 ++-
 5 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/docs/examples/sslbackend.c b/docs/examples/sslbackend.c
index 1483dcc2e..c1489a9aa 100644
--- a/docs/examples/sslbackend.c
+++ b/docs/examples/sslbackend.c
@@ -57,9 +57,9 @@ int main(int argc, char **argv)
     return 0;
   }
   else if(isdigit(*name)) {
-    curl_sslbackend id = (curl_sslbackend)atoi(name);
+    int id = atoi(name);
 
-    result = curl_global_sslset(id, NULL, NULL);
+    result = curl_global_sslset((curl_sslbackend)id, NULL, NULL);
   }
   else
     result = curl_global_sslset(-1, name, NULL);
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index c1ae6a559..63e45f3e0 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -977,6 +977,7 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
           dnl Only gcc 2.95 or later
           if test "$compiler_num" -ge "295"; then
             tmp_CFLAGS="$tmp_CFLAGS -Wno-long-long"
+            tmp_CFLAGS="$tmp_CFLAGS -Wbad-function-cast"
           fi
           #
           dnl Only gcc 2.96 or later
diff --git a/src/tool_cb_see.c b/src/tool_cb_see.c
index 621d440f4..061b2bb3d 100644
--- a/src/tool_cb_see.c
+++ b/src/tool_cb_see.c
@@ -118,10 +118,12 @@ int tool_seek_cb(void *userdata, curl_off_t offset, int 
whence)
 
 int tool_ftruncate64(int fd, curl_off_t where)
 {
+  intptr_t handle = _get_osfhandle(fd);
+
   if(_lseeki64(fd, where, SEEK_SET) < 0)
     return -1;
 
-  if(!SetEndOfFile((HANDLE)_get_osfhandle(fd)))
+  if(!SetEndOfFile((HANDLE)handle))
     return -1;
 
   return 0;
diff --git a/tests/libtest/lib650.c b/tests/libtest/lib650.c
index 056270cfb..79d60b624 100644
--- a/tests/libtest/lib650.c
+++ b/tests/libtest/lib650.c
@@ -62,6 +62,7 @@ int test(char *URL)
   struct curl_forms formarray[3];
   size_t formlength = 0;
   char flbuf[32];
+  long contentlength = 0;
 
   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
     fprintf(stderr, "curl_global_init() failed\n");
@@ -94,11 +95,13 @@ int test(char *URL)
     goto test_cleanup;
   }
 
+  contentlength = (long)(strlen(data) - 1);
+
   /* Use a form array for the non-copy test. */
   formarray[0].option = CURLFORM_PTRCONTENTS;
   formarray[0].value = data;
   formarray[1].option = CURLFORM_CONTENTSLENGTH;
-  formarray[1].value = (char *) strlen(data) - 1;
+  formarray[1].value = (char *)(size_t)contentlength;
   formarray[2].option = CURLFORM_END;
   formarray[2].value = NULL;
   formrc = curl_formadd(&formpost,
diff --git a/tests/server/sockfilt.c b/tests/server/sockfilt.c
index 2fb947f15..10a16ef00 100644
--- a/tests/server/sockfilt.c
+++ b/tests/server/sockfilt.c
@@ -782,8 +782,9 @@ static int select_ws(int nfds, fd_set *readfds, fd_set 
*writefds,
             wsa++;
           }
           else {
+            curl_socket_t socket = curlx_sitosk(fds);
             WSACloseEvent(wsaevent);
-            handle = (HANDLE) curlx_sitosk(fds);
+            handle = (HANDLE) socket;
             handle = select_ws_wait(handle, waitevent);
             handles[nfd] = handle;
             data[thd].thread = handle;

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