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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /modules/woff2/src/store_bytes.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/woff2/src/store_bytes.h')
-rw-r--r--modules/woff2/src/store_bytes.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/modules/woff2/src/store_bytes.h b/modules/woff2/src/store_bytes.h
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+++ b/modules/woff2/src/store_bytes.h
@@ -0,0 +1,71 @@
+/* Copyright 2013 Google Inc. All Rights Reserved.
+
+ Distributed under MIT license.
+ See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* Helper functions for storing integer values into byte streams.
+ No bounds checking is performed, that is the responsibility of the caller. */
+
+#ifndef WOFF2_STORE_BYTES_H_
+#define WOFF2_STORE_BYTES_H_
+
+#include <inttypes.h>
+#include <stddef.h>
+#include <string.h>
+
+#include "./port.h"
+
+namespace woff2 {
+
+inline size_t StoreU32(uint8_t* dst, size_t offset, uint32_t x) {
+ dst[offset] = x >> 24;
+ dst[offset + 1] = x >> 16;
+ dst[offset + 2] = x >> 8;
+ dst[offset + 3] = x;
+ return offset + 4;
+}
+
+inline size_t Store16(uint8_t* dst, size_t offset, int x) {
+#if defined(WOFF_LITTLE_ENDIAN)
+ *reinterpret_cast<uint16_t*>(dst + offset) =
+ ((x & 0xFF) << 8) | ((x & 0xFF00) >> 8);
+#elif defined(WOFF_BIG_ENDIAN)
+ *reinterpret_cast<uint16_t*>(dst + offset) = static_cast<uint16_t>(x);
+#else
+ dst[offset] = x >> 8;
+ dst[offset + 1] = x;
+#endif
+ return offset + 2;
+}
+
+inline void StoreU32(uint32_t val, size_t* offset, uint8_t* dst) {
+ dst[(*offset)++] = val >> 24;
+ dst[(*offset)++] = val >> 16;
+ dst[(*offset)++] = val >> 8;
+ dst[(*offset)++] = val;
+}
+
+inline void Store16(int val, size_t* offset, uint8_t* dst) {
+#if defined(WOFF_LITTLE_ENDIAN)
+ *reinterpret_cast<uint16_t*>(dst + *offset) =
+ ((val & 0xFF) << 8) | ((val & 0xFF00) >> 8);
+ *offset += 2;
+#elif defined(WOFF_BIG_ENDIAN)
+ *reinterpret_cast<uint16_t*>(dst + *offset) = static_cast<uint16_t>(val);
+ *offset += 2;
+#else
+ dst[(*offset)++] = val >> 8;
+ dst[(*offset)++] = val;
+#endif
+}
+
+inline void StoreBytes(const uint8_t* data, size_t len,
+ size_t* offset, uint8_t* dst) {
+ memcpy(&dst[*offset], data, len);
+ *offset += len;
+}
+
+} // namespace woff2
+
+#endif // WOFF2_STORE_BYTES_H_