Use signed type where -1 may be returned.
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@ -205,7 +205,7 @@ static int bio_read(BIO *bio, char *buf, int size_)
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*/
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/* WARNING: The non-copying interface is largely untested as of yet
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* and may contain bugs. */
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static size_t bio_nread0(BIO *bio, char **buf)
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static ssize_t bio_nread0(BIO *bio, char **buf)
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{
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struct bio_bio_st *b, *peer_b;
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size_t num;
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@ -243,7 +243,7 @@ static size_t bio_nread0(BIO *bio, char **buf)
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return num;
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}
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static size_t bio_nread(BIO *bio, char **buf, size_t num)
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static ssize_t bio_nread(BIO *bio, char **buf, size_t num)
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{
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struct bio_bio_st *b, *peer_b;
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size_t available;
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