mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/avio: check input URLContext value NULL
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Reviewed-by: Karthick Jeyapal <kjeyapal@akamai.com>
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658bdc6771
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@ -625,13 +625,15 @@ int64_t ffurl_size(URLContext *h)
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int ffurl_get_file_handle(URLContext *h)
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int ffurl_get_file_handle(URLContext *h)
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{
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{
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if (!h->prot->url_get_file_handle)
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if (!h || !h->prot || !h->prot->url_get_file_handle)
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return -1;
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return -1;
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return h->prot->url_get_file_handle(h);
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return h->prot->url_get_file_handle(h);
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}
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}
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int ffurl_get_multi_file_handle(URLContext *h, int **handles, int *numhandles)
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int ffurl_get_multi_file_handle(URLContext *h, int **handles, int *numhandles)
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{
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{
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if (!h || !h->prot)
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return AVERROR(ENOSYS);
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if (!h->prot->url_get_multi_file_handle) {
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if (!h->prot->url_get_multi_file_handle) {
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if (!h->prot->url_get_file_handle)
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if (!h->prot->url_get_file_handle)
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return AVERROR(ENOSYS);
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return AVERROR(ENOSYS);
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@ -647,15 +649,15 @@ int ffurl_get_multi_file_handle(URLContext *h, int **handles, int *numhandles)
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int ffurl_get_short_seek(URLContext *h)
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int ffurl_get_short_seek(URLContext *h)
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{
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{
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if (!h->prot->url_get_short_seek)
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if (!h || !h->prot || !h->prot->url_get_short_seek)
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return AVERROR(ENOSYS);
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return AVERROR(ENOSYS);
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return h->prot->url_get_short_seek(h);
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return h->prot->url_get_short_seek(h);
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}
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}
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int ffurl_shutdown(URLContext *h, int flags)
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int ffurl_shutdown(URLContext *h, int flags)
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{
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{
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if (!h->prot->url_shutdown)
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if (!h || !h->prot || !h->prot->url_shutdown)
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return AVERROR(EINVAL);
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return AVERROR(ENOSYS);
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return h->prot->url_shutdown(h, flags);
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return h->prot->url_shutdown(h, flags);
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}
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}
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