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file: use private buffer for C-L output

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... instead of clobbering the download buffer.
This commit is contained in:
Daniel Stenberg 2017-04-25 00:15:28 +02:00
parent c2ddc12d60
commit 7c312f84ea
1 changed files with 5 additions and 4 deletions
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9
lib/file.c
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@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -475,9 +475,10 @@ static CURLcode file_do(struct connectdata *conn, bool *done)
time_t filetime;
struct tm buffer;
const struct tm *tm = &buffer;
snprintf(buf, CURL_BUFSIZE(data->set.buffer_size),
char header[80];
snprintf(header, sizeof(header),
"Content-Length: %" CURL_FORMAT_CURL_OFF_T "\r\n", expected_size);
result = Curl_client_write(conn, CLIENTWRITE_BOTH, buf, 0);
result = Curl_client_write(conn, CLIENTWRITE_BOTH, header, 0);
if(result)
return result;
@ -492,7 +493,7 @@ static CURLcode file_do(struct connectdata *conn, bool *done)
return result;
/* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
snprintf(buf, BUFSIZE-1,
snprintf(header, sizeof(header),
"Last-Modified: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
tm->tm_mday,