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[net] fix a small memory leak in the update check

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* A 257-byte signature buffer was not being freed if check for BETAs was enabled.
This commit is contained in:
Pete Batard 2019-10-24 13:05:07 +01:00
parent 8719412667
commit 7ec7331200
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GPG key ID: 38E0CF5E69EDD671
2 changed files with 8 additions and 6 deletions
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4
src/net.c
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@ -699,6 +699,9 @@ static DWORD WINAPI CheckForUpdatesThread(LPVOID param)
#endif
vuprintf("Using %s for the update check", RUFUS_URL);
for (k=0; (k<max_channel) && (!found_new_version); k++) {
// Free any previous buffers we might have used
safe_free(buf);
safe_free(sig);
uprintf("Checking %s channel...", channel[k]);
// At this stage we can query the server for various update version files.
// We first try to lookup for "<appname>_<os_arch>_<os_version_major>_<os_version_minor>.ver"
@ -770,7 +773,6 @@ static DWORD WINAPI CheckForUpdatesThread(LPVOID param)
if (!pfHttpQueryInfoA(hRequest, HTTP_QUERY_CONTENT_LENGTH|HTTP_QUERY_FLAG_NUMBER, (LPVOID)&dwTotalSize, &dwSize, NULL))
goto out;
safe_free(buf);
// Make sure the file is NUL terminated
buf = (char*)calloc(dwTotalSize+1, 1);
if (buf == NULL)