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tool_cb_hdr: handle failure of rename()

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Detected by Coverity.

Closes #3140
Reviewed-by: Jay Satiro
This commit is contained in:
Kamil Dudka 2018-10-15 16:03:46 +02:00
parent 21ac06888f
commit 6b6ba1dc29
1 changed files with 11 additions and 2 deletions
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13
src/tool_cb_hdr.c
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@ -132,15 +132,24 @@ size_t tool_header_cb(char *ptr, size_t size, size_t nmemb, void *userdata)
filename = parse_filename(p, len);
if(filename) {
if(outs->stream) {
int rc;
/* already opened and possibly written to */
if(outs->fopened)
fclose(outs->stream);
outs->stream = NULL;
/* rename the initial file name to the new file name */
rename(outs->filename, filename);
rc = rename(outs->filename, filename);
if(rc != 0) {
warnf(outs->config->global, "Failed to rename %s -> %s: %s\n",
outs->filename, filename, strerror(errno));
}
if(outs->alloc_filename)
free(outs->filename);
Curl_safefree(outs->filename);
if(rc != 0) {
free(filename);
return failure;
}
}
outs->is_cd_filename = TRUE;
outs->s_isreg = TRUE;