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Merge pull request #429 from protobuf-c/ilya-357

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protobuf-c.c: Cast %lu args to unsigned long int
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Robert Edmonds 2020-06-20 15:51:49 -04:00 committed by GitHub
commit cf04fa717e
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1 changed files with 4 additions and 2 deletions
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protobuf-c/protobuf-c.c
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@ -2132,11 +2132,13 @@ scan_length_prefixed_data(size_t len, const uint8_t *data,
// Protobuf messages should always be less than 2 GiB in size. // Protobuf messages should always be less than 2 GiB in size.
// We also want to return early here so that hdr_len + val does // We also want to return early here so that hdr_len + val does
// not overflow on 32-bit systems. // not overflow on 32-bit systems.
PROTOBUF_C_UNPACK_ERROR("length prefix of %lu is too large", val); PROTOBUF_C_UNPACK_ERROR("length prefix of %lu is too large",
(unsigned long int)val);
return 0; return 0;
} }
if (hdr_len + val > len) { if (hdr_len + val > len) {
PROTOBUF_C_UNPACK_ERROR("data too short after length-prefix of %lu", val); PROTOBUF_C_UNPACK_ERROR("data too short after length-prefix of %lu",
(unsigned long int)val);
return 0; return 0;
} }
return hdr_len + val; return hdr_len + val;