perf(errno): Cache capitalized error description

gabe565 · Oct 10, 2024 · 813b5ba · 813b5ba
1 parent b51a975
commit 813b5ba
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/cmd/errno/run_unix.go b/cmd/errno/run_unix.go
@@ -34,7 +34,7 @@ func run(cmd *cobra.Command, args []string) error {
 	if util.Must2(cmd.Flags().GetBool(FlagSearch)) {
 		search := strings.ToLower(strings.Join(args, " "))
 		for e := range errno.Iter() {
-			if strings.Contains(e.Error(), search) {
+			if strings.Contains(strings.ToLower(e.Error()), search) {
 				if err := printErrno(cmd, e); err != nil {
 					return err
 				}
@@ -71,8 +71,6 @@ func findErrno(cmd *cobra.Command, arg string) error {
 }
 
 func printErrno(cmd *cobra.Command, e *errno.Errno) error {
-	pretty := e.Error()
-	pretty = strings.ToUpper(pretty[0:1]) + pretty[1:]
-	_, err := fmt.Fprintf(cmd.OutOrStdout(), "%s %d %s\n", e.Name(), uint(e.Errno), pretty)
+	_, err := fmt.Fprintf(cmd.OutOrStdout(), "%s %d %s\n", e.Name(), uint(e.Errno), e.Error())
 	return err
 }
diff --git a/internal/errno/errno.go b/internal/errno/errno.go
@@ -3,6 +3,7 @@
 package errno
 
 import (
+	"strings"
 	"syscall"
 
 	"golang.org/x/exp/constraints"
@@ -50,6 +51,9 @@ func (e *Errno) Name() string {
 func (e *Errno) Error() string {
 	if e.desc == "" {
 		e.desc = e.Errno.Error()
+		if len(e.desc) >= 2 {
+			e.desc = strings.ToUpper(e.desc[0:1]) + e.desc[1:]
+		}
 	}
 	return e.desc
 }