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dload.c : only call fwrite once 

I assume the loop was never iterated more than once, because the write
location was not updated at each loop iteration (buffer instead of buffer +
nwritten), yet we never had reports of corrupted download.

Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Xavier Chantry 2009-08-08 15:20:24 +02:00 committed by Dan McGee
parent 68200676d2
commit 3cf0ee98c0
1 changed files with 6 additions and 8 deletions
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14
lib/libalpm/dload.c
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@ -214,14 +214,12 @@ static int download_internal(const char *url, const char *localpath,
while((nread = fetchIO_read(dlf, buffer, PM_DLBUF_LEN)) > 0) {
size_t nwritten = 0;
while(nwritten < nread) {
nwritten += fwrite(buffer, 1, (nread - nwritten), localf);
if(ferror(localf)) {
_alpm_log(PM_LOG_ERROR, _("error writing to file '%s': %s\n"),
destfile, strerror(errno));
ret = -1;
goto cleanup;
}
nwritten = fwrite(buffer, 1, nread, localf);
if((nwritten != nread) || ferror(localf)) {
_alpm_log(PM_LOG_ERROR, _("error writing to file '%s': %s\n"),
destfile, strerror(errno));
ret = -1;
goto cleanup;
}
dl_thisfile += nread;