Run script/sync.sh

2 files changed, 67 insertions, 13 deletions

diff --git a/release/c/wuffs-v0.3.c b/release/c/wuffs-v0.3.c
index 2b69393..ed138c9 100644
--- a/release/c/wuffs-v0.3.c
+++ b/release/c/wuffs-v0.3.c
@@ -82,15 +82,15 @@ extern "C" {
 // each major.minor branch, the commit count should increase monotonically.
 //
 // WUFFS_VERSION was overridden by "wuffs gen -version" based on revision
-// f6945c061289cfbc6f6e415b0fd77b70f6cd46f2 committed on 2021-06-25.
+// b9a10d051a05c5749d54e2db8d0bd1848dd57181 committed on 2021-06-28.
 #define WUFFS_VERSION 0x000030000
 #define WUFFS_VERSION_MAJOR 0
 #define WUFFS_VERSION_MINOR 3
 #define WUFFS_VERSION_PATCH 0
-#define WUFFS_VERSION_PRE_RELEASE_LABEL "beta.3"
-#define WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT 3051
-#define WUFFS_VERSION_BUILD_METADATA_COMMIT_DATE 20210625
-#define WUFFS_VERSION_STRING "0.3.0-beta.3+3051.20210625"
+#define WUFFS_VERSION_PRE_RELEASE_LABEL "beta.4"
+#define WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT 3058
+#define WUFFS_VERSION_BUILD_METADATA_COMMIT_DATE 20210628
+#define WUFFS_VERSION_STRING "0.3.0-beta.4+3058.20210628"
 
 // ---------------- Configuration
 
@@ -805,6 +805,56 @@ wuffs_base__u64__max(uint64_t x, uint64_t y) {
 
 // --------
 
+static inline uint8_t  //
+wuffs_base__u8__rotate_left(uint8_t x, uint32_t n) {
+  n &= 7;
+  return ((uint8_t)(x << n)) | ((uint8_t)(x >> (8 - n)));
+}
+
+static inline uint8_t  //
+wuffs_base__u8__rotate_right(uint8_t x, uint32_t n) {
+  n &= 7;
+  return ((uint8_t)(x >> n)) | ((uint8_t)(x << (8 - n)));
+}
+
+static inline uint16_t  //
+wuffs_base__u16__rotate_left(uint16_t x, uint32_t n) {
+  n &= 15;
+  return ((uint16_t)(x << n)) | ((uint16_t)(x >> (16 - n)));
+}
+
+static inline uint16_t  //
+wuffs_base__u16__rotate_right(uint16_t x, uint32_t n) {
+  n &= 15;
+  return ((uint16_t)(x >> n)) | ((uint16_t)(x << (16 - n)));
+}
+
+static inline uint32_t  //
+wuffs_base__u32__rotate_left(uint32_t x, uint32_t n) {
+  n &= 31;
+  return ((uint32_t)(x << n)) | ((uint32_t)(x >> (32 - n)));
+}
+
+static inline uint32_t  //
+wuffs_base__u32__rotate_right(uint32_t x, uint32_t n) {
+  n &= 31;
+  return ((uint32_t)(x >> n)) | ((uint32_t)(x << (32 - n)));
+}
+
+static inline uint64_t  //
+wuffs_base__u64__rotate_left(uint64_t x, uint32_t n) {
+  n &= 63;
+  return ((uint64_t)(x << n)) | ((uint64_t)(x >> (64 - n)));
+}
+
+static inline uint64_t  //
+wuffs_base__u64__rotate_right(uint64_t x, uint32_t n) {
+  n &= 63;
+  return ((uint64_t)(x >> n)) | ((uint64_t)(x << (64 - n)));
+}
+
+// --------
+
 // Saturating arithmetic (sat_add, sat_sub) branchless bit-twiddling algorithms
 // are per https://locklessinc.com/articles/sat_arithmetic/
 //
@@ -10062,14 +10112,18 @@ extern "C" {
 
 // Denote intentional fallthroughs for -Wimplicit-fallthrough.
 //
-// The order matters here. Clang also defines "__GNUC__".
-#if defined(__clang__) && defined(__cplusplus) && (__cplusplus >= 201103L)
-#define WUFFS_BASE__FALLTHROUGH [[clang::fallthrough]]
-#elif !defined(__clang__) && defined(__GNUC__) && (__GNUC__ >= 7)
+// The two #if lines are deliberately separate. Combining the two conditions
+// into a single "#if foo && bar" line would not be portable. See
+// https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005fattribute.html
+#if defined(__has_attribute)
+#if __has_attribute(fallthrough)
 #define WUFFS_BASE__FALLTHROUGH __attribute__((fallthrough))
 #else
 #define WUFFS_BASE__FALLTHROUGH
 #endif
+#else
+#define WUFFS_BASE__FALLTHROUGH
+#endif
 
 // Use switch cases for coroutine suspension points, similar to the technique
 // in https://www.chiark.greenend.org.uk/~sgtatham/coroutines.html
diff --git a/sync.txt b/sync.txt
index d1dcf12..0e0b5e6 100644
--- a/sync.txt
+++ b/sync.txt
@@ -1,8 +1,8 @@
-script/sync.sh ran on 2021-06-25
-Sibling directory (../wuffs) git revision is b2b8961126502d2ab00daa20d19a976964c012a3
+script/sync.sh ran on 2021-06-28
+Sibling directory (../wuffs) git revision is 6bfaf0f008ae0f54e05f23d14256f4a7d35146f2
 Manifest (sha256sum values, filenames, versions):
 bb28889a02c5d89edf6544ded21495462d1f998f8ffa5d095f53ca5db29e2937  release/c/README.md
 3b6a0c78f663bb495d1972fbb2a87c717d70fbac5ea8cc1a50cb9afaa4b03f92  release/c/wuffs-v0.2.c
     #define WUFFS_VERSION_STRING "0.2.0+2078.20191219"
-6984ecf235815c9c921527cc956f137ae542cc7a75e606645e206feddeb40dfd  release/c/wuffs-v0.3.c
-    #define WUFFS_VERSION_STRING "0.3.0-beta.3+3051.20210625"
+f30a747983cb8e00f8e906bf605af7e69d4c77cb2c02c7f2680a8f80b4e21f77  release/c/wuffs-v0.3.c
+    #define WUFFS_VERSION_STRING "0.3.0-beta.4+3058.20210628"