xemu/contrib/elf2dmp/download.c
Peter Maydell e59a7e0ec5 elf2dmp: Check curl_easy_setopt() return value
Coverity points out that we aren't checking the return value
from curl_easy_setopt().

Fixes: Coverity CID 1458895
Inspired-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Tested-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Message-id: 20210910170656.366592-2-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-20 09:54:32 +01:00

46 lines
1.0 KiB
C

/*
* Copyright (c) 2018 Virtuozzo International GmbH
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
*
*/
#include "qemu/osdep.h"
#include <curl/curl.h>
#include "download.h"
int download_url(const char *name, const char *url)
{
int err = 0;
FILE *file;
CURL *curl = curl_easy_init();
if (!curl) {
return 1;
}
file = fopen(name, "wb");
if (!file) {
err = 1;
goto out_curl;
}
if (curl_easy_setopt(curl, CURLOPT_URL, url) != CURLE_OK
|| curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, NULL) != CURLE_OK
|| curl_easy_setopt(curl, CURLOPT_WRITEDATA, file) != CURLE_OK
|| curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1) != CURLE_OK
|| curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0) != CURLE_OK
|| curl_easy_perform(curl) != CURLE_OK) {
unlink(name);
fclose(file);
err = 1;
} else {
err = fclose(file);
}
out_curl:
curl_easy_cleanup(curl);
return err;
}