Commit 4bdb664c authored by Olaf Flebbe's avatar Olaf Flebbe Committed by Yang Tse
Browse files

tool_cb_dbg.c: fix tool_cb_dbg() to behave properly even for size 0 

curl segfault in debug callback triggered with CURLINFO_HEADER_OUT and size 0

bug: http://curl.haxx.se/bug/view.cgi?id=3511794
parent 459435dc

src/tool_cb_dbg.c

+12 −10
Original line number Diff line number Diff line
@@ -108,6 +108,7 @@ int tool_debug_cb(CURL *handle, curl_infotype type, 


    switch(type) {

    case CURLINFO_HEADER_OUT:

      if(size > 0) {

        for(i = 0; i < size - 1; i++) {

          if(data[i] == '\n') { /* LF */

            if(!newl) {
@@ -121,6 +122,7 @@ int tool_debug_cb(CURL *handle, curl_infotype type, 
        if(!newl)

          fprintf(output, "%s%s ", timebuf, s_infotype[type]);

        (void)fwrite(data + st, i - st + 1, 1, output);

      }

      newl = (size && (data[size - 1] != '\n')) ? TRUE : FALSE;

      traced_data = FALSE;

      break;