[GNUnet-SVN] [gnurl] 40/116: url: fix CURLOPT_POSTFIELDSIZE arg value check to allow -1

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ng0 pushed a commit to branch master
in repository gnurl.

commit b8bd6dc110fbcae20e0902bead097a40ed88e01a
Author: Jay Satiro <address@hidden>
AuthorDate: Wed Nov 1 02:11:30 2017 -0400

    url: fix CURLOPT_POSTFIELDSIZE arg value check to allow -1
    
    .. also add same arg value check to CURLOPT_POSTFIELDSIZE_LARGE.
    
    Prior to this change since f121575 (7.56.1+) CURLOPT_POSTFIELDSIZE
    erroneously rejected -1 value with CURLE_BAD_FUNCTION_ARGUMENT.
    
    Bug: https://curl.haxx.se/mail/lib-2017-11/0000.html
    Reported-by: Andrew Lambert
---
 lib/url.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/url.c b/lib/url.c
index 5a11e423b..dec402c1d 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -1143,7 +1143,7 @@ CURLcode Curl_setopt(struct Curl_easy *data, CURLoption 
option,
      * figure it out. Enables binary posts.
      */
     bigsize = va_arg(param, long);
-    if(bigsize < 0)
+    if(bigsize < -1)
       return CURLE_BAD_FUNCTION_ARGUMENT;
 
     if(data->set.postfieldsize < bigsize &&
@@ -1162,6 +1162,8 @@ CURLcode Curl_setopt(struct Curl_easy *data, CURLoption 
option,
      * figure it out. Enables binary posts.
      */
     bigsize = va_arg(param, curl_off_t);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
 
     if(data->set.postfieldsize < bigsize &&
        data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {

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