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

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James Zern
2025-08-19 11:58:43 -07:00
committed by Gerrit Code Review
parent 9d690dbf06 46d65e4a19
commit ed02bfa963
1 changed files with 10 additions and 6 deletions
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16
src/utils/utils.h
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@@ -93,32 +93,36 @@ static WEBP_INLINE void WebPInt32ToMem(uint8_t* const ptr, int val) {
// Reading/writing data. // Reading/writing data.
// Read 16, 24 or 32 bits stored in little-endian order. // Read 16, 24 or 32 bits stored in little-endian order.
static WEBP_INLINE int GetLE16(const uint8_t* const data) { static WEBP_INLINE int GetLE16(const uint8_t* const WEBP_COUNTED_BY(2) data) {
return (int)(data[0] << 0) | (data[1] << 8); return (int)(data[0] << 0) | (data[1] << 8);
} }
static WEBP_INLINE int GetLE24(const uint8_t* const data) { static WEBP_INLINE int GetLE24(const uint8_t* const WEBP_COUNTED_BY(3) data) {
return GetLE16(data) | (data[2] << 16); return GetLE16(data) | (data[2] << 16);
} }
static WEBP_INLINE uint32_t GetLE32(const uint8_t* const data) { static WEBP_INLINE uint32_t GetLE32(const uint8_t* const WEBP_COUNTED_BY(4)
data) {
return GetLE16(data) | ((uint32_t)GetLE16(data + 2) << 16); return GetLE16(data) | ((uint32_t)GetLE16(data + 2) << 16);
} }
// Store 16, 24 or 32 bits in little-endian order. // Store 16, 24 or 32 bits in little-endian order.
static WEBP_INLINE void PutLE16(uint8_t* const data, int val) { static WEBP_INLINE void PutLE16(uint8_t* const WEBP_COUNTED_BY(2) data,
int val) {
assert(val < (1 << 16)); assert(val < (1 << 16));
data[0] = (val >> 0) & 0xff; data[0] = (val >> 0) & 0xff;
data[1] = (val >> 8) & 0xff; data[1] = (val >> 8) & 0xff;
} }
static WEBP_INLINE void PutLE24(uint8_t* const data, int val) { static WEBP_INLINE void PutLE24(uint8_t* const WEBP_COUNTED_BY(3) data,
int val) {
assert(val < (1 << 24)); assert(val < (1 << 24));
PutLE16(data, val & 0xffff); PutLE16(data, val & 0xffff);
data[2] = (val >> 16) & 0xff; data[2] = (val >> 16) & 0xff;
} }
static WEBP_INLINE void PutLE32(uint8_t* const data, uint32_t val) { static WEBP_INLINE void PutLE32(uint8_t* const WEBP_COUNTED_BY(4) data,
uint32_t val) {
PutLE16(data, (int)(val & 0xffff)); PutLE16(data, (int)(val & 0xffff));
PutLE16(data + 2, (int)(val >> 16)); PutLE16(data + 2, (int)(val >> 16));
} }