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writeout: fix NULL dereference for "this url"

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Detected by torture test 1029

Follow-up to 7a90ddf88f

Closes #6374
This commit is contained in:
Daniel Stenberg 2020-12-25 23:59:31 +01:00
parent aba01da639
commit 44a504e5e4
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 2 additions and 1 deletions
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src/tool_writeout.c
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@ -141,7 +141,8 @@ void ourWriteOut(CURL *curl, struct per_transfer *per, const char *writeinfo,
curl_easy_strerror(result), stream);
break;
case VAR_INPUT_URL:
fputs(per->this_url, stream);
if(per->this_url)
fputs(per->this_url, stream);
break;
case VAR_URLNUM:
fprintf(stream, "%u", per->urlnum);