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Merge "Add fbounds-safety annotations for palette." into main

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This commit is contained in:
James Zern
2025-08-19 12:24:38 -07:00
committed by Gerrit Code Review
parent ed02bfa963 69b9b8525e
commit 2be405c472
4 changed files with 13 additions and 5 deletions
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4
src/utils/palette.c
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@@ -97,7 +97,9 @@ void PrepareMapToPalette(const uint32_t palette[], uint32_t num_colors,
#define COLOR_HASH_SIZE (MAX_PALETTE_SIZE * 4)
#define COLOR_HASH_RIGHT_SHIFT 22 // 32 - log2(COLOR_HASH_SIZE).
int GetColorPalette(const WebPPicture* const pic, uint32_t* const palette) {
int GetColorPalette(const WebPPicture* const pic,
uint32_t* const WEBP_COUNTED_BY_OR_NULL(MAX_PALETTE_SIZE)
palette) {
int i;
int x, y;
int num_colors = 0;

4
src/utils/palette.h
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@@ -15,6 +15,7 @@
#define WEBP_UTILS_PALETTE_H_
#include "src/utils/bounds_safety.h"
#include "src/webp/format_constants.h"
#include "src/webp/types.h"
WEBP_ASSUME_UNSAFE_INDEXABLE_ABI
@@ -51,7 +52,8 @@ void PrepareMapToPalette(const uint32_t palette[], uint32_t num_colors,
// 'palette' in a sorted order. Note: 'palette' is assumed to be an array
// already allocated with at least MAX_PALETTE_SIZE elements.
int GetColorPalette(const struct WebPPicture* const pic,
uint32_t* const palette);
uint32_t* const WEBP_COUNTED_BY_OR_NULL(MAX_PALETTE_SIZE)
palette);
// Sorts the palette according to the criterion defined by 'method'.
// 'palette_sorted' is the input palette sorted lexicographically, as done in

4
src/utils/utils.c
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@@ -271,7 +271,9 @@ void WebPCopyPixels(const WebPPicture* const src, WebPPicture* const dst) {
//------------------------------------------------------------------------------
int WebPGetColorPalette(const WebPPicture* const pic, uint32_t* const palette) {
int WebPGetColorPalette(
const WebPPicture* const pic,
uint32_t* const WEBP_COUNTED_BY_OR_NULL(MAX_PALETTE_SIZE) palette) {
return GetColorPalette(pic, palette);
}

6
src/utils/utils.h
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@@ -22,6 +22,7 @@
#include <assert.h>
#include "src/utils/bounds_safety.h"
#include "src/webp/format_constants.h"
#include "src/webp/types.h"
WEBP_ASSUME_UNSAFE_INDEXABLE_ABI
@@ -204,8 +205,9 @@ WEBP_EXTERN void WebPCopyPixels(const struct WebPPicture* const src,
// Note: 'palette' is assumed to be an array already allocated with at least
// MAX_PALETTE_SIZE elements.
// TODO(vrabaud) remove whenever we can break the ABI.
WEBP_EXTERN int WebPGetColorPalette(const struct WebPPicture* const pic,
uint32_t* const palette);
WEBP_EXTERN int WebPGetColorPalette(
const struct WebPPicture* const pic,
uint32_t* const WEBP_COUNTED_BY_OR_NULL(MAX_PALETTE_SIZE) palette);
//------------------------------------------------------------------------------