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authorLibravatar tobi <31960611+tsmethurst@users.noreply.github.com>2022-05-08 19:49:45 +0200
committerLibravatar GitHub <noreply@github.com>2022-05-08 18:49:45 +0100
commit5004e0a9da665ccc0e18cd4075ee636641b71f0a (patch)
treeb7c8269b954ced61afa9fffd7305bd88acca6f8e /vendor/codeberg.org/gruf/go-byteutil/bytes.go
parent[bugfix] Fix existing bio text showing as HTML (#531) (diff)
downloadgotosocial-5004e0a9da665ccc0e18cd4075ee636641b71f0a.tar.xz
[bugfix] Fix remote media pruning failing if media already gone (#548)
* fix error check of prune to allow missing files * update go-store library, add test for pruning item with db entry but no file Signed-off-by: kim <grufwub@gmail.com> * remove now-unneccessary error check Signed-off-by: kim <grufwub@gmail.com> Co-authored-by: kim <grufwub@gmail.com>
Diffstat (limited to 'vendor/codeberg.org/gruf/go-byteutil/bytes.go')
-rw-r--r--vendor/codeberg.org/gruf/go-byteutil/bytes.go65
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/codeberg.org/gruf/go-byteutil/bytes.go b/vendor/codeberg.org/gruf/go-byteutil/bytes.go
new file mode 100644
index 000000000..4fbfe001d
--- /dev/null
+++ b/vendor/codeberg.org/gruf/go-byteutil/bytes.go
@@ -0,0 +1,65 @@
+package byteutil
+
+import (
+ "reflect"
+ "unsafe"
+)
+
+// Copy returns a copy of []byte.
+func Copy(b []byte) []byte {
+ if b == nil {
+ return nil
+ }
+ p := make([]byte, len(b))
+ copy(p, b)
+ return p
+}
+
+// B2S returns a string representation of []byte without allocation.
+func B2S(b []byte) string {
+ return *(*string)(unsafe.Pointer(&b))
+}
+
+// S2B returns a []byte representation of string without allocation (minus slice header).
+func S2B(s string) []byte {
+ var b []byte
+
+ // Get byte + string headers
+ bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+ sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
+
+ // Manually set bytes to string
+ bh.Data = sh.Data
+ bh.Len = sh.Len
+ bh.Cap = sh.Len
+
+ return b
+}
+
+// ToUpper offers a faster ToUpper implementation using a lookup table.
+func ToUpper(b []byte) {
+ const toUpperTable = "\x00\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
+ " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~" +
+ "\u007f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96" +
+ "\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" +
+ "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8" +
+ "\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1" +
+ "\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
+ for i := 0; i < len(b); i++ {
+ b[i] = toUpperTable[b[i]]
+ }
+}
+
+// ToLower offers a faster ToLower implementation using a lookup table.
+func ToLower(b []byte) {
+ const toLowerTable = "\x00\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
+ " !\"#$%&'()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~" +
+ "\u007f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96" +
+ "\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" +
+ "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8" +
+ "\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1" +
+ "\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
+ for i := 0; i < len(b); i++ {
+ b[i] = toLowerTable[b[i]]
+ }
+}