Files
kata-containers/src/tools/log-parser/check.go
Fabiano Fidêncio d94718fb30 runtime: Fix gofmt issues
It seems that bumping the version of golang and golangci-lint new format
changes are required.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
2022-11-17 14:16:12 +01:00

54 lines
1.1 KiB
Go

//
// Copyright (c) 2017-2018 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0
//
package main
import (
"fmt"
"regexp"
"unicode"
)
// checkValid determines if the specified string is valid or not.
// It looks for:
//
// - Invalid (unprintable) characters.
// - Standard golang error strings added by the formatting functions into the
// resulting strings when issues are detected.
func checkValid(value string) error {
if value == "" {
return nil
}
for _, ch := range value {
if !(unicode.IsPrint(ch) || unicode.IsSpace(ch)) {
return fmt.Errorf("character %v (%x) in value %v not printable", ch, ch, value)
}
}
// See: https://golang.org/pkg/fmt/
invalidPatterns := []string{
`%!\(BADINDEX\)`,
`%!\(BADPREC\)`,
`%!\(BADWIDTH\)`,
`%!\(EXTRA\b`,
`%!\w\(MISSING\)`,
}
for _, pattern := range invalidPatterns {
re := regexp.MustCompile(pattern)
foundMissing := re.FindStringSubmatch(value)
if foundMissing != nil {
return fmt.Errorf("invalid pattern %q in value %v "+
"suggests log creator programming error",
pattern, value)
}
}
return nil
}