From 4b5771bee7995d3d606221caa455c044d80434df Mon Sep 17 00:00:00 2001 From: agrieve Date: Thu, 19 Dec 2019 18:15:58 -0500 Subject: Add missing "const" to a couple of kConstants (#780) These showed up in a Chromium audit: https://bugs.chromium.org/p/chromium/issues/detail?id=747064#c8 Although already effectively const, adding "const" causes the symbols to be moved into the read-only section of the binary. --- c/common/dictionary.c | 11 ++++++++++- c/common/transform.c | 2 +- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/c/common/dictionary.c b/c/common/dictionary.c index 64822a3..f9e3041 100644 --- a/c/common/dictionary.c +++ b/c/common/dictionary.c @@ -5,12 +5,13 @@ */ #include "./dictionary.h" +#include "./platform.h" #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif -#ifndef BROTLI_EXTERNAL_DICTIONARY_DATA +#if !defined(BROTLI_EXTERNAL_DICTIONARY_DATA) static const uint8_t kBrotliDictionaryData[] = { 116,105,109,101,100,111,119,110,108,105,102,101,108,101,102,116,98,97,99,107,99, @@ -5862,7 +5863,11 @@ static const uint8_t kBrotliDictionaryData[] = ; #endif /* !BROTLI_EXTERNAL_DICTIONARY_DATA */ +#if !defined(BROTLI_EXTERNAL_DICTIONARY_DATA) +static const BrotliDictionary kBrotliDictionary = { +#else static BrotliDictionary kBrotliDictionary = { +#endif /* size_bits_by_length */ { 0, 0, 0, 0, 10, 10, 11, 11, @@ -5895,9 +5900,13 @@ const BrotliDictionary* BrotliGetDictionary() { } void BrotliSetDictionaryData(const uint8_t* data) { +#if defined(BROTLI_EXTERNAL_DICTIONARY_DATA) if (!!data && !kBrotliDictionary.data) { kBrotliDictionary.data = data; } +#else + BROTLI_UNUSED(data); // Appease -Werror=unused-parameter +#endif } #if defined(__cplusplus) || defined(c_plusplus) diff --git a/c/common/transform.c b/c/common/transform.c index c44f671..f8fa433 100755 --- a/c/common/transform.c +++ b/c/common/transform.c @@ -160,7 +160,7 @@ static const uint8_t kTransformsData[] = { 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 34, }; -static BrotliTransforms kBrotliTransforms = { +static const BrotliTransforms kBrotliTransforms = { sizeof(kPrefixSuffix), (const uint8_t*)kPrefixSuffix, kPrefixSuffixMap, -- cgit v1.1